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-rw-r--r--nuttx/configs/README.txt24
-rw-r--r--nuttx/configs/amber/hello/defconfig2
-rwxr-xr-xnuttx/configs/avr32dev1/nsh/defconfig2
-rwxr-xr-xnuttx/configs/avr32dev1/ostest/defconfig2
-rw-r--r--nuttx/configs/cloudctrl/nsh/defconfig2
-rwxr-xr-xnuttx/configs/demo9s12ne64/ostest/defconfig2
-rw-r--r--nuttx/configs/ea3131/nsh/defconfig2
-rw-r--r--nuttx/configs/ea3131/ostest/defconfig2
-rw-r--r--nuttx/configs/ea3131/pgnsh/defconfig2
-rw-r--r--nuttx/configs/ea3131/usbserial/defconfig2
-rw-r--r--nuttx/configs/ea3131/usbstorage/defconfig2
-rw-r--r--nuttx/configs/ea3152/ostest/defconfig2
-rw-r--r--nuttx/configs/fire-stm32v2/nsh/defconfig2
-rw-r--r--nuttx/configs/hymini-stm32v/buttons/defconfig2
-rwxr-xr-xnuttx/configs/hymini-stm32v/nsh/defconfig2
-rw-r--r--nuttx/configs/hymini-stm32v/nsh2/defconfig2
-rw-r--r--nuttx/configs/hymini-stm32v/nx/defconfig2
-rw-r--r--nuttx/configs/hymini-stm32v/nxlines/defconfig2
-rwxr-xr-xnuttx/configs/hymini-stm32v/usbserial/defconfig2
-rwxr-xr-xnuttx/configs/hymini-stm32v/usbstorage/defconfig2
-rwxr-xr-xnuttx/configs/kwikstik-k40/ostest/defconfig2
-rw-r--r--nuttx/configs/lincoln60/nsh/defconfig2
-rw-r--r--nuttx/configs/lincoln60/ostest/defconfig2
-rw-r--r--nuttx/configs/lpc4330-xplorer/nsh/defconfig2
-rw-r--r--nuttx/configs/lpc4330-xplorer/ostest/defconfig2
-rwxr-xr-xnuttx/configs/lpcxpresso-lpc1768/dhcpd/defconfig2
-rwxr-xr-xnuttx/configs/lpcxpresso-lpc1768/nsh/defconfig2
-rwxr-xr-xnuttx/configs/lpcxpresso-lpc1768/nx/defconfig2
-rwxr-xr-xnuttx/configs/lpcxpresso-lpc1768/ostest/defconfig2
-rwxr-xr-xnuttx/configs/lpcxpresso-lpc1768/thttpd/defconfig2
-rwxr-xr-xnuttx/configs/lpcxpresso-lpc1768/usbstorage/defconfig2
-rw-r--r--nuttx/configs/mbed/hidkbd/defconfig2
-rwxr-xr-xnuttx/configs/mbed/nsh/defconfig2
-rw-r--r--nuttx/configs/micropendous3/hello/defconfig2
-rw-r--r--nuttx/configs/mirtoo/nsh/defconfig2
-rw-r--r--nuttx/configs/mirtoo/nxffs/defconfig2
-rw-r--r--nuttx/configs/mirtoo/ostest/defconfig2
-rwxr-xr-xnuttx/configs/ne64badge/ostest/defconfig2
-rwxr-xr-xnuttx/configs/nucleus2g/nsh/defconfig2
-rwxr-xr-xnuttx/configs/nucleus2g/ostest/defconfig2
-rwxr-xr-xnuttx/configs/nucleus2g/usbserial/defconfig2
-rwxr-xr-xnuttx/configs/nucleus2g/usbstorage/defconfig2
-rwxr-xr-xnuttx/configs/olimex-lpc1766stk/ftpc/defconfig2
-rwxr-xr-xnuttx/configs/olimex-lpc1766stk/hidkbd/defconfig2
-rwxr-xr-xnuttx/configs/olimex-lpc1766stk/nettest/defconfig2
-rwxr-xr-xnuttx/configs/olimex-lpc1766stk/nsh/defconfig2
-rwxr-xr-xnuttx/configs/olimex-lpc1766stk/nx/defconfig2
-rwxr-xr-xnuttx/configs/olimex-lpc1766stk/ostest/defconfig2
-rwxr-xr-xnuttx/configs/olimex-lpc1766stk/slip-httpd/defconfig2
-rwxr-xr-xnuttx/configs/olimex-lpc1766stk/thttpd/defconfig2
-rwxr-xr-xnuttx/configs/olimex-lpc1766stk/usbserial/defconfig2
-rwxr-xr-xnuttx/configs/olimex-lpc1766stk/usbstorage/defconfig2
-rw-r--r--nuttx/configs/olimex-stm32-p107/nsh/defconfig2
-rw-r--r--nuttx/configs/olimex-stm32-p107/ostest/defconfig2
-rwxr-xr-xnuttx/configs/olimex-strp711/nettest/defconfig2
-rw-r--r--nuttx/configs/pcblogic-pic32mx/nsh/defconfig2
-rw-r--r--nuttx/configs/pcblogic-pic32mx/ostest/defconfig2
-rw-r--r--nuttx/configs/pic32-starterkit/nsh/defconfig2
-rw-r--r--nuttx/configs/pic32-starterkit/nsh2/defconfig2
-rw-r--r--nuttx/configs/pic32-starterkit/ostest/defconfig2
-rw-r--r--nuttx/configs/pic32mx7mmb/nsh/defconfig2
-rw-r--r--nuttx/configs/pic32mx7mmb/ostest/defconfig2
-rwxr-xr-xnuttx/configs/sam3u-ek/knsh/defconfig2
-rwxr-xr-xnuttx/configs/sam3u-ek/nsh/defconfig2
-rwxr-xr-xnuttx/configs/sam3u-ek/nx/defconfig2
-rwxr-xr-xnuttx/configs/sam3u-ek/ostest/defconfig2
-rwxr-xr-xnuttx/configs/sam3u-ek/touchscreen/defconfig2
-rw-r--r--nuttx/configs/shenzhou/nsh/defconfig2
-rw-r--r--nuttx/configs/shenzhou/nxwm/defconfig2
-rw-r--r--nuttx/configs/shenzhou/thttpd/defconfig2
-rw-r--r--nuttx/configs/sim/nsh/defconfig2
-rw-r--r--nuttx/configs/sim/nsh2/defconfig2
-rw-r--r--nuttx/configs/sim/ostest/defconfig13
-rwxr-xr-xnuttx/configs/stm3210e-eval/RIDE/defconfig2
-rw-r--r--nuttx/configs/stm3210e-eval/buttons/defconfig2
-rwxr-xr-xnuttx/configs/stm3210e-eval/composite/defconfig2
-rwxr-xr-xnuttx/configs/stm3210e-eval/nsh/defconfig2
-rw-r--r--nuttx/configs/stm3210e-eval/nsh2/defconfig2
-rw-r--r--nuttx/configs/stm3210e-eval/nx/defconfig2
-rw-r--r--nuttx/configs/stm3210e-eval/nxconsole/defconfig2
-rw-r--r--nuttx/configs/stm3210e-eval/nxlines/defconfig2
-rw-r--r--nuttx/configs/stm3210e-eval/nxtext/defconfig2
-rwxr-xr-xnuttx/configs/stm3210e-eval/ostest/defconfig2
-rw-r--r--nuttx/configs/stm3210e-eval/pm/defconfig2
-rwxr-xr-xnuttx/configs/stm3210e-eval/usbserial/defconfig2
-rwxr-xr-xnuttx/configs/stm3210e-eval/usbstorage/defconfig2
-rw-r--r--nuttx/configs/stm3220g-eval/dhcpd/defconfig2
-rw-r--r--nuttx/configs/stm3220g-eval/nettest/defconfig2
-rw-r--r--nuttx/configs/stm3220g-eval/nsh/defconfig2
-rw-r--r--nuttx/configs/stm3220g-eval/nsh2/defconfig2
-rw-r--r--nuttx/configs/stm3220g-eval/nxwm/defconfig2
-rw-r--r--nuttx/configs/stm3220g-eval/ostest/defconfig2
-rw-r--r--nuttx/configs/stm3220g-eval/telnetd/defconfig2
-rw-r--r--nuttx/configs/stm3240g-eval/dhcpd/defconfig2
-rw-r--r--nuttx/configs/stm3240g-eval/nettest/defconfig2
-rw-r--r--nuttx/configs/stm3240g-eval/nsh/defconfig2
-rw-r--r--nuttx/configs/stm3240g-eval/nsh2/defconfig2
-rw-r--r--nuttx/configs/stm3240g-eval/nxconsole/defconfig2
-rw-r--r--nuttx/configs/stm3240g-eval/nxwm/defconfig2
-rw-r--r--nuttx/configs/stm3240g-eval/ostest/defconfig2
-rw-r--r--nuttx/configs/stm3240g-eval/telnetd/defconfig2
-rw-r--r--nuttx/configs/stm3240g-eval/webserver/defconfig2
-rw-r--r--nuttx/configs/stm32f100rc_generic/nsh/defconfig2
-rw-r--r--nuttx/configs/stm32f4discovery/README.txt26
-rw-r--r--nuttx/configs/stm32f4discovery/nsh/defconfig2
-rw-r--r--nuttx/configs/stm32f4discovery/pm/defconfig2
-rw-r--r--nuttx/configs/stm32f4discovery/posix_spawn/defconfig2
-rw-r--r--nuttx/configs/sure-pic32mx/nsh/defconfig2
-rw-r--r--nuttx/configs/sure-pic32mx/ostest/defconfig2
-rw-r--r--nuttx/configs/sure-pic32mx/usbnsh/defconfig2
-rw-r--r--nuttx/configs/teensy/hello/defconfig2
-rwxr-xr-xnuttx/configs/teensy/nsh/defconfig2
-rwxr-xr-xnuttx/configs/teensy/usbstorage/defconfig2
-rw-r--r--nuttx/configs/twr-k60n512/nsh/defconfig2
-rw-r--r--nuttx/configs/twr-k60n512/ostest/defconfig2
-rw-r--r--nuttx/configs/ubw32/nsh/defconfig2
-rw-r--r--nuttx/configs/ubw32/ostest/defconfig2
-rwxr-xr-xnuttx/configs/vsn/nsh/defconfig2
118 files changed, 176 insertions, 117 deletions
diff --git a/nuttx/configs/README.txt b/nuttx/configs/README.txt
index 6e7526ed0..2724cf5a3 100644
--- a/nuttx/configs/README.txt
+++ b/nuttx/configs/README.txt
@@ -334,6 +334,11 @@ defconfig -- This is a configuration file similar to the Linux
CONFIG_TASK_NAME_SIZE - Specifies that maximum size of a
task name to save in the TCB. Useful if scheduler
instrumentation is selected. Set to zero to disable.
+ CONFIG_SCHED_HAVE_PARENT - Remember the ID of the parent thread
+ when a new child thread is created. This support enables a
+ few minor features (such as SIGCHLD) and slightly increases
+ the size of the Task Control Block (TCB) of every task to hold
+ the ID of the parent thread. Default: disabled.
CONFIG_START_YEAR, CONFIG_START_MONTH, CONFIG_START_DAY -
Used to initialize the internal time logic.
CONFIG_GREGORIAN_TIME - Enables Gregorian time conversions.
@@ -400,7 +405,7 @@ defconfig -- This is a configuration file similar to the Linux
CONFIG_SCHED_WORKSTACKSIZE - The stack size allocated for the worker
thread. Default: CONFIG_IDLETHREAD_STACKSIZE.
CONFIG_SIG_SIGWORK - The signal number that will be used to wake-up
- the worker thread. Default: 4
+ the worker thread. Default: 17
CONFIG_SCHED_LPWORK. If CONFIG_SCHED_WORKQUEUE is defined, then a single
work queue is created by default. If CONFIG_SCHED_LPWORK is also defined
then an additional, lower-priority work queue will also be created. This
@@ -426,6 +431,23 @@ defconfig -- This is a configuration file similar to the Linux
where 'app' is the application name. If not defined, CONFIG_USER_ENTRYPOINT
defaults to user_start.
+ Signal Numbers:
+
+ CONFIG_SIG_SIGUSR1 - Value of standard user signal 1 (SIGUSR1).
+ Default: 1
+ CONFIG_SIG_SIGUSR2 - Value of standard user signal 2 (SIGUSR2).
+ Default: 2
+ CONFIG_SIG_SIGALARM - Default the standard signal used with POSIX
+ timers (SIGALRM). Default: 3
+ CONFIG_SIG_SIGCHLD - The SIGCHLD signal is sent to the parent of a child
+ process when it exits, is interrupted (stopped), or resumes after being
+ interrupted. Default: 4
+
+ CONFIG_SIG_SIGCONDTIMEDOUT - This non-standard signal number is used in
+ the implementation of pthread_cond_timedwait(). Default 16.
+ CONFIG_SIG_SIGWORK - SIGWORK is a non-standard signal used to wake up
+ the internal NuttX worker thread. Default: 17.
+
Binary Loaders:
CONFIG_BINFMT_DISABLE - By default, support for loadable binary formats
is built.
diff --git a/nuttx/configs/amber/hello/defconfig b/nuttx/configs/amber/hello/defconfig
index 5d028e321..7e3d4ad70 100644
--- a/nuttx/configs/amber/hello/defconfig
+++ b/nuttx/configs/amber/hello/defconfig
@@ -142,7 +142,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for nxflat
diff --git a/nuttx/configs/avr32dev1/nsh/defconfig b/nuttx/configs/avr32dev1/nsh/defconfig
index 2b66316c3..acca1fbac 100755
--- a/nuttx/configs/avr32dev1/nsh/defconfig
+++ b/nuttx/configs/avr32dev1/nsh/defconfig
@@ -168,7 +168,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/avr32dev1/ostest/defconfig b/nuttx/configs/avr32dev1/ostest/defconfig
index 9b67be09e..084c66233 100755
--- a/nuttx/configs/avr32dev1/ostest/defconfig
+++ b/nuttx/configs/avr32dev1/ostest/defconfig
@@ -168,7 +168,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/cloudctrl/nsh/defconfig b/nuttx/configs/cloudctrl/nsh/defconfig
index 99c7eb790..8f145d3ab 100644
--- a/nuttx/configs/cloudctrl/nsh/defconfig
+++ b/nuttx/configs/cloudctrl/nsh/defconfig
@@ -273,7 +273,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=2048
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
# CONFIG_SCHED_LPWORK is not set
CONFIG_SCHED_WAITPID=y
# CONFIG_SCHED_ATEXIT is not set
diff --git a/nuttx/configs/demo9s12ne64/ostest/defconfig b/nuttx/configs/demo9s12ne64/ostest/defconfig
index 9c9668aac..79224989f 100755
--- a/nuttx/configs/demo9s12ne64/ostest/defconfig
+++ b/nuttx/configs/demo9s12ne64/ostest/defconfig
@@ -142,7 +142,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=256
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/ea3131/nsh/defconfig b/nuttx/configs/ea3131/nsh/defconfig
index 735af431b..8c7b351af 100644
--- a/nuttx/configs/ea3131/nsh/defconfig
+++ b/nuttx/configs/ea3131/nsh/defconfig
@@ -141,7 +141,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/ea3131/ostest/defconfig b/nuttx/configs/ea3131/ostest/defconfig
index 2f73ad5c9..19838ceab 100644
--- a/nuttx/configs/ea3131/ostest/defconfig
+++ b/nuttx/configs/ea3131/ostest/defconfig
@@ -141,7 +141,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/ea3131/pgnsh/defconfig b/nuttx/configs/ea3131/pgnsh/defconfig
index 32f89c500..1cc2bec7e 100644
--- a/nuttx/configs/ea3131/pgnsh/defconfig
+++ b/nuttx/configs/ea3131/pgnsh/defconfig
@@ -156,7 +156,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# OS setup related to on-demand paging:
diff --git a/nuttx/configs/ea3131/usbserial/defconfig b/nuttx/configs/ea3131/usbserial/defconfig
index 3d33a1b67..a82f69877 100644
--- a/nuttx/configs/ea3131/usbserial/defconfig
+++ b/nuttx/configs/ea3131/usbserial/defconfig
@@ -143,7 +143,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/ea3131/usbstorage/defconfig b/nuttx/configs/ea3131/usbstorage/defconfig
index 8d9933f55..a957fb3ab 100644
--- a/nuttx/configs/ea3131/usbstorage/defconfig
+++ b/nuttx/configs/ea3131/usbstorage/defconfig
@@ -144,7 +144,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/ea3152/ostest/defconfig b/nuttx/configs/ea3152/ostest/defconfig
index d85fd5821..6d0bb63f0 100644
--- a/nuttx/configs/ea3152/ostest/defconfig
+++ b/nuttx/configs/ea3152/ostest/defconfig
@@ -142,7 +142,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/fire-stm32v2/nsh/defconfig b/nuttx/configs/fire-stm32v2/nsh/defconfig
index c42bb1569..266098496 100644
--- a/nuttx/configs/fire-stm32v2/nsh/defconfig
+++ b/nuttx/configs/fire-stm32v2/nsh/defconfig
@@ -266,7 +266,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
# CONFIG_SCHED_LPWORK is not set
CONFIG_SCHED_WAITPID=y
# CONFIG_SCHED_ATEXIT is not set
diff --git a/nuttx/configs/hymini-stm32v/buttons/defconfig b/nuttx/configs/hymini-stm32v/buttons/defconfig
index bbd6c2319..e90ded32a 100644
--- a/nuttx/configs/hymini-stm32v/buttons/defconfig
+++ b/nuttx/configs/hymini-stm32v/buttons/defconfig
@@ -194,7 +194,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/hymini-stm32v/nsh/defconfig b/nuttx/configs/hymini-stm32v/nsh/defconfig
index ca589278a..eeb3b09ff 100755
--- a/nuttx/configs/hymini-stm32v/nsh/defconfig
+++ b/nuttx/configs/hymini-stm32v/nsh/defconfig
@@ -192,7 +192,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/hymini-stm32v/nsh2/defconfig b/nuttx/configs/hymini-stm32v/nsh2/defconfig
index 5a8c0bea2..ecf4c3a3d 100644
--- a/nuttx/configs/hymini-stm32v/nsh2/defconfig
+++ b/nuttx/configs/hymini-stm32v/nsh2/defconfig
@@ -202,7 +202,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/hymini-stm32v/nx/defconfig b/nuttx/configs/hymini-stm32v/nx/defconfig
index 28b08582c..c6e049142 100644
--- a/nuttx/configs/hymini-stm32v/nx/defconfig
+++ b/nuttx/configs/hymini-stm32v/nx/defconfig
@@ -193,7 +193,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for NXFLAT
diff --git a/nuttx/configs/hymini-stm32v/nxlines/defconfig b/nuttx/configs/hymini-stm32v/nxlines/defconfig
index 880efb7d8..fb968c483 100644
--- a/nuttx/configs/hymini-stm32v/nxlines/defconfig
+++ b/nuttx/configs/hymini-stm32v/nxlines/defconfig
@@ -197,7 +197,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for NXFLAT
diff --git a/nuttx/configs/hymini-stm32v/usbserial/defconfig b/nuttx/configs/hymini-stm32v/usbserial/defconfig
index 732c1e8b6..0c7317a00 100755
--- a/nuttx/configs/hymini-stm32v/usbserial/defconfig
+++ b/nuttx/configs/hymini-stm32v/usbserial/defconfig
@@ -195,7 +195,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/hymini-stm32v/usbstorage/defconfig b/nuttx/configs/hymini-stm32v/usbstorage/defconfig
index 7e49de0e8..16f43a1ce 100755
--- a/nuttx/configs/hymini-stm32v/usbstorage/defconfig
+++ b/nuttx/configs/hymini-stm32v/usbstorage/defconfig
@@ -195,7 +195,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for NXFLAT
diff --git a/nuttx/configs/kwikstik-k40/ostest/defconfig b/nuttx/configs/kwikstik-k40/ostest/defconfig
index 759cff20b..5f0291ced 100755
--- a/nuttx/configs/kwikstik-k40/ostest/defconfig
+++ b/nuttx/configs/kwikstik-k40/ostest/defconfig
@@ -204,7 +204,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/lincoln60/nsh/defconfig b/nuttx/configs/lincoln60/nsh/defconfig
index e5009f8d6..908b01e3a 100644
--- a/nuttx/configs/lincoln60/nsh/defconfig
+++ b/nuttx/configs/lincoln60/nsh/defconfig
@@ -181,7 +181,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/lincoln60/ostest/defconfig b/nuttx/configs/lincoln60/ostest/defconfig
index 986f9bf43..ea42f5763 100644
--- a/nuttx/configs/lincoln60/ostest/defconfig
+++ b/nuttx/configs/lincoln60/ostest/defconfig
@@ -187,7 +187,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/lpc4330-xplorer/nsh/defconfig b/nuttx/configs/lpc4330-xplorer/nsh/defconfig
index 0afcbae89..78b9e3f71 100644
--- a/nuttx/configs/lpc4330-xplorer/nsh/defconfig
+++ b/nuttx/configs/lpc4330-xplorer/nsh/defconfig
@@ -227,7 +227,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=2048
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/lpc4330-xplorer/ostest/defconfig b/nuttx/configs/lpc4330-xplorer/ostest/defconfig
index 76d3f11e9..342fe04a0 100644
--- a/nuttx/configs/lpc4330-xplorer/ostest/defconfig
+++ b/nuttx/configs/lpc4330-xplorer/ostest/defconfig
@@ -224,7 +224,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=2048
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=n
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/lpcxpresso-lpc1768/dhcpd/defconfig b/nuttx/configs/lpcxpresso-lpc1768/dhcpd/defconfig
index f56dfca1b..2e0d2eea6 100755
--- a/nuttx/configs/lpcxpresso-lpc1768/dhcpd/defconfig
+++ b/nuttx/configs/lpcxpresso-lpc1768/dhcpd/defconfig
@@ -186,7 +186,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for nxflat
diff --git a/nuttx/configs/lpcxpresso-lpc1768/nsh/defconfig b/nuttx/configs/lpcxpresso-lpc1768/nsh/defconfig
index ef70b5508..23f375a47 100755
--- a/nuttx/configs/lpcxpresso-lpc1768/nsh/defconfig
+++ b/nuttx/configs/lpcxpresso-lpc1768/nsh/defconfig
@@ -189,7 +189,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/lpcxpresso-lpc1768/nx/defconfig b/nuttx/configs/lpcxpresso-lpc1768/nx/defconfig
index a0d3cd283..3f8474103 100755
--- a/nuttx/configs/lpcxpresso-lpc1768/nx/defconfig
+++ b/nuttx/configs/lpcxpresso-lpc1768/nx/defconfig
@@ -191,7 +191,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for nxflat
diff --git a/nuttx/configs/lpcxpresso-lpc1768/ostest/defconfig b/nuttx/configs/lpcxpresso-lpc1768/ostest/defconfig
index 660bd6c8b..10b63eb2d 100755
--- a/nuttx/configs/lpcxpresso-lpc1768/ostest/defconfig
+++ b/nuttx/configs/lpcxpresso-lpc1768/ostest/defconfig
@@ -184,7 +184,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for nxflat
diff --git a/nuttx/configs/lpcxpresso-lpc1768/thttpd/defconfig b/nuttx/configs/lpcxpresso-lpc1768/thttpd/defconfig
index 755869156..b6ea25948 100755
--- a/nuttx/configs/lpcxpresso-lpc1768/thttpd/defconfig
+++ b/nuttx/configs/lpcxpresso-lpc1768/thttpd/defconfig
@@ -186,7 +186,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for nxflat
diff --git a/nuttx/configs/lpcxpresso-lpc1768/usbstorage/defconfig b/nuttx/configs/lpcxpresso-lpc1768/usbstorage/defconfig
index 004d92cb3..9e4bcb15d 100755
--- a/nuttx/configs/lpcxpresso-lpc1768/usbstorage/defconfig
+++ b/nuttx/configs/lpcxpresso-lpc1768/usbstorage/defconfig
@@ -187,7 +187,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/mbed/hidkbd/defconfig b/nuttx/configs/mbed/hidkbd/defconfig
index ba0af97ca..b4bf00872 100644
--- a/nuttx/configs/mbed/hidkbd/defconfig
+++ b/nuttx/configs/mbed/hidkbd/defconfig
@@ -186,7 +186,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/mbed/nsh/defconfig b/nuttx/configs/mbed/nsh/defconfig
index a1168dd19..2156af80e 100755
--- a/nuttx/configs/mbed/nsh/defconfig
+++ b/nuttx/configs/mbed/nsh/defconfig
@@ -181,7 +181,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/micropendous3/hello/defconfig b/nuttx/configs/micropendous3/hello/defconfig
index ea8faf8f5..ebc755abc 100644
--- a/nuttx/configs/micropendous3/hello/defconfig
+++ b/nuttx/configs/micropendous3/hello/defconfig
@@ -137,7 +137,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for nxflat
diff --git a/nuttx/configs/mirtoo/nsh/defconfig b/nuttx/configs/mirtoo/nsh/defconfig
index f2e2b8991..94a6b8b17 100644
--- a/nuttx/configs/mirtoo/nsh/defconfig
+++ b/nuttx/configs/mirtoo/nsh/defconfig
@@ -200,7 +200,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/mirtoo/nxffs/defconfig b/nuttx/configs/mirtoo/nxffs/defconfig
index 29de6f1e7..d633e56d9 100644
--- a/nuttx/configs/mirtoo/nxffs/defconfig
+++ b/nuttx/configs/mirtoo/nxffs/defconfig
@@ -200,7 +200,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=n
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/mirtoo/ostest/defconfig b/nuttx/configs/mirtoo/ostest/defconfig
index dfe7a25c5..471dab444 100644
--- a/nuttx/configs/mirtoo/ostest/defconfig
+++ b/nuttx/configs/mirtoo/ostest/defconfig
@@ -190,7 +190,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=n
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/ne64badge/ostest/defconfig b/nuttx/configs/ne64badge/ostest/defconfig
index 78e10f87c..e6e0df700 100755
--- a/nuttx/configs/ne64badge/ostest/defconfig
+++ b/nuttx/configs/ne64badge/ostest/defconfig
@@ -148,7 +148,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=256
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/nucleus2g/nsh/defconfig b/nuttx/configs/nucleus2g/nsh/defconfig
index cc747e0c8..2c440bc7f 100755
--- a/nuttx/configs/nucleus2g/nsh/defconfig
+++ b/nuttx/configs/nucleus2g/nsh/defconfig
@@ -182,7 +182,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/nucleus2g/ostest/defconfig b/nuttx/configs/nucleus2g/ostest/defconfig
index 3d777de9c..c32b1e715 100755
--- a/nuttx/configs/nucleus2g/ostest/defconfig
+++ b/nuttx/configs/nucleus2g/ostest/defconfig
@@ -181,7 +181,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/nucleus2g/usbserial/defconfig b/nuttx/configs/nucleus2g/usbserial/defconfig
index e5762e8bc..abe9ac020 100755
--- a/nuttx/configs/nucleus2g/usbserial/defconfig
+++ b/nuttx/configs/nucleus2g/usbserial/defconfig
@@ -182,7 +182,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/nucleus2g/usbstorage/defconfig b/nuttx/configs/nucleus2g/usbstorage/defconfig
index 88c54bccc..adab8f4f0 100755
--- a/nuttx/configs/nucleus2g/usbstorage/defconfig
+++ b/nuttx/configs/nucleus2g/usbstorage/defconfig
@@ -183,7 +183,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/olimex-lpc1766stk/ftpc/defconfig b/nuttx/configs/olimex-lpc1766stk/ftpc/defconfig
index 36c5eefc4..8ff0d95aa 100755
--- a/nuttx/configs/olimex-lpc1766stk/ftpc/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/ftpc/defconfig
@@ -192,7 +192,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
#
diff --git a/nuttx/configs/olimex-lpc1766stk/hidkbd/defconfig b/nuttx/configs/olimex-lpc1766stk/hidkbd/defconfig
index 35a7bfc3d..634601187 100755
--- a/nuttx/configs/olimex-lpc1766stk/hidkbd/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/hidkbd/defconfig
@@ -262,7 +262,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
# CONFIG_SCHED_LPWORK is not set
# CONFIG_SCHED_WAITPID is not set
# CONFIG_SCHED_ATEXIT is not set
diff --git a/nuttx/configs/olimex-lpc1766stk/nettest/defconfig b/nuttx/configs/olimex-lpc1766stk/nettest/defconfig
index f89d265b0..4ab823b8c 100755
--- a/nuttx/configs/olimex-lpc1766stk/nettest/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/nettest/defconfig
@@ -192,7 +192,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/olimex-lpc1766stk/nsh/defconfig b/nuttx/configs/olimex-lpc1766stk/nsh/defconfig
index 0d82b458b..096f08a8a 100755
--- a/nuttx/configs/olimex-lpc1766stk/nsh/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/nsh/defconfig
@@ -194,7 +194,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/olimex-lpc1766stk/nx/defconfig b/nuttx/configs/olimex-lpc1766stk/nx/defconfig
index 55c480fe3..28ad229d6 100755
--- a/nuttx/configs/olimex-lpc1766stk/nx/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/nx/defconfig
@@ -197,7 +197,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/olimex-lpc1766stk/ostest/defconfig b/nuttx/configs/olimex-lpc1766stk/ostest/defconfig
index 32e2cacc5..02732e74a 100755
--- a/nuttx/configs/olimex-lpc1766stk/ostest/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/ostest/defconfig
@@ -187,7 +187,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/olimex-lpc1766stk/slip-httpd/defconfig b/nuttx/configs/olimex-lpc1766stk/slip-httpd/defconfig
index ff2674c79..9becdee04 100755
--- a/nuttx/configs/olimex-lpc1766stk/slip-httpd/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/slip-httpd/defconfig
@@ -190,7 +190,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=2048
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for nxflat
diff --git a/nuttx/configs/olimex-lpc1766stk/thttpd/defconfig b/nuttx/configs/olimex-lpc1766stk/thttpd/defconfig
index 936dba359..fe42a861f 100755
--- a/nuttx/configs/olimex-lpc1766stk/thttpd/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/thttpd/defconfig
@@ -188,7 +188,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for nxflat
diff --git a/nuttx/configs/olimex-lpc1766stk/usbserial/defconfig b/nuttx/configs/olimex-lpc1766stk/usbserial/defconfig
index 603a1562a..995cbad59 100755
--- a/nuttx/configs/olimex-lpc1766stk/usbserial/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/usbserial/defconfig
@@ -188,7 +188,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/olimex-lpc1766stk/usbstorage/defconfig b/nuttx/configs/olimex-lpc1766stk/usbstorage/defconfig
index 2c29d2ffd..e11c2c404 100755
--- a/nuttx/configs/olimex-lpc1766stk/usbstorage/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/usbstorage/defconfig
@@ -189,7 +189,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/olimex-stm32-p107/nsh/defconfig b/nuttx/configs/olimex-stm32-p107/nsh/defconfig
index 7aaae2514..0a831ce9f 100644
--- a/nuttx/configs/olimex-stm32-p107/nsh/defconfig
+++ b/nuttx/configs/olimex-stm32-p107/nsh/defconfig
@@ -234,7 +234,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/olimex-stm32-p107/ostest/defconfig b/nuttx/configs/olimex-stm32-p107/ostest/defconfig
index d4bba38fb..272832381 100644
--- a/nuttx/configs/olimex-stm32-p107/ostest/defconfig
+++ b/nuttx/configs/olimex-stm32-p107/ostest/defconfig
@@ -242,7 +242,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/olimex-strp711/nettest/defconfig b/nuttx/configs/olimex-strp711/nettest/defconfig
index 4d73540b8..a8767c7be 100755
--- a/nuttx/configs/olimex-strp711/nettest/defconfig
+++ b/nuttx/configs/olimex-strp711/nettest/defconfig
@@ -160,7 +160,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/pcblogic-pic32mx/nsh/defconfig b/nuttx/configs/pcblogic-pic32mx/nsh/defconfig
index b4bd30ae8..7bce554ac 100644
--- a/nuttx/configs/pcblogic-pic32mx/nsh/defconfig
+++ b/nuttx/configs/pcblogic-pic32mx/nsh/defconfig
@@ -189,7 +189,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/pcblogic-pic32mx/ostest/defconfig b/nuttx/configs/pcblogic-pic32mx/ostest/defconfig
index 08bdccddd..730b8134a 100644
--- a/nuttx/configs/pcblogic-pic32mx/ostest/defconfig
+++ b/nuttx/configs/pcblogic-pic32mx/ostest/defconfig
@@ -187,7 +187,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for nxflat
diff --git a/nuttx/configs/pic32-starterkit/nsh/defconfig b/nuttx/configs/pic32-starterkit/nsh/defconfig
index f2cd27560..32220d89b 100644
--- a/nuttx/configs/pic32-starterkit/nsh/defconfig
+++ b/nuttx/configs/pic32-starterkit/nsh/defconfig
@@ -253,7 +253,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/pic32-starterkit/nsh2/defconfig b/nuttx/configs/pic32-starterkit/nsh2/defconfig
index 6f227f638..a7a1ff18a 100644
--- a/nuttx/configs/pic32-starterkit/nsh2/defconfig
+++ b/nuttx/configs/pic32-starterkit/nsh2/defconfig
@@ -252,7 +252,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/pic32-starterkit/ostest/defconfig b/nuttx/configs/pic32-starterkit/ostest/defconfig
index 922cb8901..3a55de491 100644
--- a/nuttx/configs/pic32-starterkit/ostest/defconfig
+++ b/nuttx/configs/pic32-starterkit/ostest/defconfig
@@ -250,7 +250,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=n
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/pic32mx7mmb/nsh/defconfig b/nuttx/configs/pic32mx7mmb/nsh/defconfig
index aa7fc23df..d39f8bc40 100644
--- a/nuttx/configs/pic32mx7mmb/nsh/defconfig
+++ b/nuttx/configs/pic32mx7mmb/nsh/defconfig
@@ -259,7 +259,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=2048
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/pic32mx7mmb/ostest/defconfig b/nuttx/configs/pic32mx7mmb/ostest/defconfig
index 1d656380d..b3cecf98d 100644
--- a/nuttx/configs/pic32mx7mmb/ostest/defconfig
+++ b/nuttx/configs/pic32mx7mmb/ostest/defconfig
@@ -250,7 +250,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=n
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/sam3u-ek/knsh/defconfig b/nuttx/configs/sam3u-ek/knsh/defconfig
index e61180407..30f60f0e3 100755
--- a/nuttx/configs/sam3u-ek/knsh/defconfig
+++ b/nuttx/configs/sam3u-ek/knsh/defconfig
@@ -186,7 +186,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# These NSH commands are (temporarily) disable because more support is needed
diff --git a/nuttx/configs/sam3u-ek/nsh/defconfig b/nuttx/configs/sam3u-ek/nsh/defconfig
index 288df5957..971598464 100755
--- a/nuttx/configs/sam3u-ek/nsh/defconfig
+++ b/nuttx/configs/sam3u-ek/nsh/defconfig
@@ -171,7 +171,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/sam3u-ek/nx/defconfig b/nuttx/configs/sam3u-ek/nx/defconfig
index 7b56b9d41..dd55d9c93 100755
--- a/nuttx/configs/sam3u-ek/nx/defconfig
+++ b/nuttx/configs/sam3u-ek/nx/defconfig
@@ -172,7 +172,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/sam3u-ek/ostest/defconfig b/nuttx/configs/sam3u-ek/ostest/defconfig
index b2e9a5184..bf15cb1a5 100755
--- a/nuttx/configs/sam3u-ek/ostest/defconfig
+++ b/nuttx/configs/sam3u-ek/ostest/defconfig
@@ -172,7 +172,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/sam3u-ek/touchscreen/defconfig b/nuttx/configs/sam3u-ek/touchscreen/defconfig
index e89db8c4b..414eadb6e 100755
--- a/nuttx/configs/sam3u-ek/touchscreen/defconfig
+++ b/nuttx/configs/sam3u-ek/touchscreen/defconfig
@@ -180,7 +180,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/shenzhou/nsh/defconfig b/nuttx/configs/shenzhou/nsh/defconfig
index c54d714d0..383522b6f 100644
--- a/nuttx/configs/shenzhou/nsh/defconfig
+++ b/nuttx/configs/shenzhou/nsh/defconfig
@@ -273,7 +273,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=2048
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
# CONFIG_SCHED_LPWORK is not set
CONFIG_SCHED_WAITPID=y
# CONFIG_SCHED_ATEXIT is not set
diff --git a/nuttx/configs/shenzhou/nxwm/defconfig b/nuttx/configs/shenzhou/nxwm/defconfig
index 975327747..b9bf72aeb 100644
--- a/nuttx/configs/shenzhou/nxwm/defconfig
+++ b/nuttx/configs/shenzhou/nxwm/defconfig
@@ -309,7 +309,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
# CONFIG_SCHED_LPWORK is not set
# CONFIG_SCHED_WAITPID is not set
# CONFIG_SCHED_ATEXIT is not set
diff --git a/nuttx/configs/shenzhou/thttpd/defconfig b/nuttx/configs/shenzhou/thttpd/defconfig
index 958ab02ed..d7af34821 100644
--- a/nuttx/configs/shenzhou/thttpd/defconfig
+++ b/nuttx/configs/shenzhou/thttpd/defconfig
@@ -260,7 +260,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=2048
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
# CONFIG_SCHED_LPWORK is not set
CONFIG_SCHED_WAITPID=y
# CONFIG_SCHED_ATEXIT is not set
diff --git a/nuttx/configs/sim/nsh/defconfig b/nuttx/configs/sim/nsh/defconfig
index a60edd4ac..2d627a66d 100644
--- a/nuttx/configs/sim/nsh/defconfig
+++ b/nuttx/configs/sim/nsh/defconfig
@@ -72,7 +72,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=n
CONFIG_SCHED_ATEXIT=n
CONFIG_SCHED_ONEXIT=n
diff --git a/nuttx/configs/sim/nsh2/defconfig b/nuttx/configs/sim/nsh2/defconfig
index e5dcce322..c9e5b343f 100644
--- a/nuttx/configs/sim/nsh2/defconfig
+++ b/nuttx/configs/sim/nsh2/defconfig
@@ -91,7 +91,7 @@ CONFIG_PRIORITY_INHERITANCE=n
CONFIG_SEM_PREALLOCHOLDERS=0
CONFIG_SEM_NNESTPRIO=0
CONFIG_FDCLONE_DISABLE=n
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_FDCLONE_STDIO=n
CONFIG_SDCLONE_DISABLE=y
CONFIG_SCHED_WORKQUEUE=n
diff --git a/nuttx/configs/sim/ostest/defconfig b/nuttx/configs/sim/ostest/defconfig
index 43d78e6a2..5cea9a6d4 100644
--- a/nuttx/configs/sim/ostest/defconfig
+++ b/nuttx/configs/sim/ostest/defconfig
@@ -57,7 +57,7 @@ CONFIG_DEBUG_VERBOSE=y
#
# CONFIG_DEBUG_ANALOG is not set
# CONFIG_DEBUG_DMA is not set
-# CONFIG_DEBUG_SYMBOLS is not set
+CONFIG_DEBUG_SYMBOLS=y
#
# System Type
@@ -131,6 +131,7 @@ CONFIG_MSEC_PER_TICK=10
CONFIG_RR_INTERVAL=0
# CONFIG_SCHED_INSTRUMENTATION is not set
CONFIG_TASK_NAME_SIZE=32
+CONFIG_SCHED_HAVE_PARENT=y
# CONFIG_JULIAN_TIME is not set
CONFIG_START_YEAR=2007
CONFIG_START_MONTH=2
@@ -157,6 +158,15 @@ CONFIG_DISABLE_OS_API=y
CONFIG_DISABLE_POLL=y
#
+# Signal Numbers
+#
+CONFIG_SIG_SIGUSR1=1
+CONFIG_SIG_SIGUSR2=2
+CONFIG_SIG_SIGALARM=3
+CONFIG_SIG_SIGCHLD=4
+CONFIG_SIG_SIGCONDTIMEDOUT=16
+
+#
# Sizes of configurable things (0 disables)
#
CONFIG_MAX_TASKS=64
@@ -352,6 +362,7 @@ CONFIG_EXAMPLES_OSTEST_RR_RUNS=10
# CONFIG_EXAMPLES_PASHELLO is not set
# CONFIG_EXAMPLES_PIPE is not set
# CONFIG_EXAMPLES_POLL is not set
+# CONFIG_EXAMPLES_POSIXSPAWN is not set
# CONFIG_EXAMPLES_QENCODER is not set
# CONFIG_EXAMPLES_RGMP is not set
# CONFIG_EXAMPLES_ROMFS is not set
diff --git a/nuttx/configs/stm3210e-eval/RIDE/defconfig b/nuttx/configs/stm3210e-eval/RIDE/defconfig
index e71540c24..6d84e7c36 100755
--- a/nuttx/configs/stm3210e-eval/RIDE/defconfig
+++ b/nuttx/configs/stm3210e-eval/RIDE/defconfig
@@ -200,7 +200,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/stm3210e-eval/buttons/defconfig b/nuttx/configs/stm3210e-eval/buttons/defconfig
index 0d6882b5d..37e19171f 100644
--- a/nuttx/configs/stm3210e-eval/buttons/defconfig
+++ b/nuttx/configs/stm3210e-eval/buttons/defconfig
@@ -210,7 +210,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/stm3210e-eval/composite/defconfig b/nuttx/configs/stm3210e-eval/composite/defconfig
index 2db58aee5..7fee33794 100755
--- a/nuttx/configs/stm3210e-eval/composite/defconfig
+++ b/nuttx/configs/stm3210e-eval/composite/defconfig
@@ -210,7 +210,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for NXFLAT
diff --git a/nuttx/configs/stm3210e-eval/nsh/defconfig b/nuttx/configs/stm3210e-eval/nsh/defconfig
index 52fdd777f..b5e52e494 100755
--- a/nuttx/configs/stm3210e-eval/nsh/defconfig
+++ b/nuttx/configs/stm3210e-eval/nsh/defconfig
@@ -208,7 +208,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/stm3210e-eval/nsh2/defconfig b/nuttx/configs/stm3210e-eval/nsh2/defconfig
index 18e42d539..30a0bb327 100644
--- a/nuttx/configs/stm3210e-eval/nsh2/defconfig
+++ b/nuttx/configs/stm3210e-eval/nsh2/defconfig
@@ -255,7 +255,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/stm3210e-eval/nx/defconfig b/nuttx/configs/stm3210e-eval/nx/defconfig
index 68a3ad9b5..0ad42dfbe 100644
--- a/nuttx/configs/stm3210e-eval/nx/defconfig
+++ b/nuttx/configs/stm3210e-eval/nx/defconfig
@@ -209,7 +209,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for NXFLAT
diff --git a/nuttx/configs/stm3210e-eval/nxconsole/defconfig b/nuttx/configs/stm3210e-eval/nxconsole/defconfig
index 9cb8689c6..7dd5878bf 100644
--- a/nuttx/configs/stm3210e-eval/nxconsole/defconfig
+++ b/nuttx/configs/stm3210e-eval/nxconsole/defconfig
@@ -209,7 +209,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for NXFLAT
diff --git a/nuttx/configs/stm3210e-eval/nxlines/defconfig b/nuttx/configs/stm3210e-eval/nxlines/defconfig
index ab42612f3..068a17acb 100644
--- a/nuttx/configs/stm3210e-eval/nxlines/defconfig
+++ b/nuttx/configs/stm3210e-eval/nxlines/defconfig
@@ -209,7 +209,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for NXFLAT
diff --git a/nuttx/configs/stm3210e-eval/nxtext/defconfig b/nuttx/configs/stm3210e-eval/nxtext/defconfig
index c00e9b1e8..b6f88a3ca 100644
--- a/nuttx/configs/stm3210e-eval/nxtext/defconfig
+++ b/nuttx/configs/stm3210e-eval/nxtext/defconfig
@@ -209,7 +209,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for NXFLAT
diff --git a/nuttx/configs/stm3210e-eval/ostest/defconfig b/nuttx/configs/stm3210e-eval/ostest/defconfig
index 8ed1795a6..0553b1a98 100755
--- a/nuttx/configs/stm3210e-eval/ostest/defconfig
+++ b/nuttx/configs/stm3210e-eval/ostest/defconfig
@@ -220,7 +220,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/stm3210e-eval/pm/defconfig b/nuttx/configs/stm3210e-eval/pm/defconfig
index 7babce8f6..61bd995c8 100644
--- a/nuttx/configs/stm3210e-eval/pm/defconfig
+++ b/nuttx/configs/stm3210e-eval/pm/defconfig
@@ -265,7 +265,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/stm3210e-eval/usbserial/defconfig b/nuttx/configs/stm3210e-eval/usbserial/defconfig
index b41b41f50..94059c07c 100755
--- a/nuttx/configs/stm3210e-eval/usbserial/defconfig
+++ b/nuttx/configs/stm3210e-eval/usbserial/defconfig
@@ -210,7 +210,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/stm3210e-eval/usbstorage/defconfig b/nuttx/configs/stm3210e-eval/usbstorage/defconfig
index 9f927d7e3..5c1ed5fb2 100755
--- a/nuttx/configs/stm3210e-eval/usbstorage/defconfig
+++ b/nuttx/configs/stm3210e-eval/usbstorage/defconfig
@@ -210,7 +210,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for NXFLAT
diff --git a/nuttx/configs/stm3220g-eval/dhcpd/defconfig b/nuttx/configs/stm3220g-eval/dhcpd/defconfig
index 04f243d71..29baf9af0 100644
--- a/nuttx/configs/stm3220g-eval/dhcpd/defconfig
+++ b/nuttx/configs/stm3220g-eval/dhcpd/defconfig
@@ -262,7 +262,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/stm3220g-eval/nettest/defconfig b/nuttx/configs/stm3220g-eval/nettest/defconfig
index 201df86b0..08e04ad0e 100644
--- a/nuttx/configs/stm3220g-eval/nettest/defconfig
+++ b/nuttx/configs/stm3220g-eval/nettest/defconfig
@@ -262,7 +262,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/stm3220g-eval/nsh/defconfig b/nuttx/configs/stm3220g-eval/nsh/defconfig
index 8baf52f7e..bd9d02860 100644
--- a/nuttx/configs/stm3220g-eval/nsh/defconfig
+++ b/nuttx/configs/stm3220g-eval/nsh/defconfig
@@ -297,7 +297,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=2048
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/stm3220g-eval/nsh2/defconfig b/nuttx/configs/stm3220g-eval/nsh2/defconfig
index c273ce60f..b5fe843bc 100644
--- a/nuttx/configs/stm3220g-eval/nsh2/defconfig
+++ b/nuttx/configs/stm3220g-eval/nsh2/defconfig
@@ -296,7 +296,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=2048
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/stm3220g-eval/nxwm/defconfig b/nuttx/configs/stm3220g-eval/nxwm/defconfig
index ab061f07a..145792ddb 100644
--- a/nuttx/configs/stm3220g-eval/nxwm/defconfig
+++ b/nuttx/configs/stm3220g-eval/nxwm/defconfig
@@ -316,7 +316,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=2048
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
# CONFIG_SCHED_LPWORK is not set
CONFIG_SCHED_WAITPID=y
# CONFIG_SCHED_ATEXIT is not set
diff --git a/nuttx/configs/stm3220g-eval/ostest/defconfig b/nuttx/configs/stm3220g-eval/ostest/defconfig
index 2393d0a69..f63f96c9a 100644
--- a/nuttx/configs/stm3220g-eval/ostest/defconfig
+++ b/nuttx/configs/stm3220g-eval/ostest/defconfig
@@ -261,7 +261,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=n
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/stm3220g-eval/telnetd/defconfig b/nuttx/configs/stm3220g-eval/telnetd/defconfig
index 1401dc6e7..f529198f1 100644
--- a/nuttx/configs/stm3220g-eval/telnetd/defconfig
+++ b/nuttx/configs/stm3220g-eval/telnetd/defconfig
@@ -262,7 +262,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/stm3240g-eval/dhcpd/defconfig b/nuttx/configs/stm3240g-eval/dhcpd/defconfig
index 80293f66a..5199cf85c 100644
--- a/nuttx/configs/stm3240g-eval/dhcpd/defconfig
+++ b/nuttx/configs/stm3240g-eval/dhcpd/defconfig
@@ -268,7 +268,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/stm3240g-eval/nettest/defconfig b/nuttx/configs/stm3240g-eval/nettest/defconfig
index 81a53bd68..c5e0da795 100644
--- a/nuttx/configs/stm3240g-eval/nettest/defconfig
+++ b/nuttx/configs/stm3240g-eval/nettest/defconfig
@@ -268,7 +268,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/stm3240g-eval/nsh/defconfig b/nuttx/configs/stm3240g-eval/nsh/defconfig
index 54eb1d56f..6c19ed531 100644
--- a/nuttx/configs/stm3240g-eval/nsh/defconfig
+++ b/nuttx/configs/stm3240g-eval/nsh/defconfig
@@ -301,7 +301,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=2048
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
CONFIG_DEV_RANDOM=y
diff --git a/nuttx/configs/stm3240g-eval/nsh2/defconfig b/nuttx/configs/stm3240g-eval/nsh2/defconfig
index ba6445615..08690ade3 100644
--- a/nuttx/configs/stm3240g-eval/nsh2/defconfig
+++ b/nuttx/configs/stm3240g-eval/nsh2/defconfig
@@ -302,7 +302,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/stm3240g-eval/nxconsole/defconfig b/nuttx/configs/stm3240g-eval/nxconsole/defconfig
index f8a1fb7d5..202fa4378 100644
--- a/nuttx/configs/stm3240g-eval/nxconsole/defconfig
+++ b/nuttx/configs/stm3240g-eval/nxconsole/defconfig
@@ -301,7 +301,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/stm3240g-eval/nxwm/defconfig b/nuttx/configs/stm3240g-eval/nxwm/defconfig
index 5dfdb28fc..a220af2d1 100644
--- a/nuttx/configs/stm3240g-eval/nxwm/defconfig
+++ b/nuttx/configs/stm3240g-eval/nxwm/defconfig
@@ -302,7 +302,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=2048
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
CONFIG_SCHED_ONEXIT=y
diff --git a/nuttx/configs/stm3240g-eval/ostest/defconfig b/nuttx/configs/stm3240g-eval/ostest/defconfig
index 38b51e84b..fcc54aa4b 100644
--- a/nuttx/configs/stm3240g-eval/ostest/defconfig
+++ b/nuttx/configs/stm3240g-eval/ostest/defconfig
@@ -266,7 +266,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=n
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/stm3240g-eval/telnetd/defconfig b/nuttx/configs/stm3240g-eval/telnetd/defconfig
index 471845c14..5aef41c27 100644
--- a/nuttx/configs/stm3240g-eval/telnetd/defconfig
+++ b/nuttx/configs/stm3240g-eval/telnetd/defconfig
@@ -268,7 +268,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/stm3240g-eval/webserver/defconfig b/nuttx/configs/stm3240g-eval/webserver/defconfig
index e9cbbf93d..6d09968e9 100644
--- a/nuttx/configs/stm3240g-eval/webserver/defconfig
+++ b/nuttx/configs/stm3240g-eval/webserver/defconfig
@@ -302,7 +302,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=2048
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/stm32f100rc_generic/nsh/defconfig b/nuttx/configs/stm32f100rc_generic/nsh/defconfig
index 65ac9a73d..12193e7ed 100644
--- a/nuttx/configs/stm32f100rc_generic/nsh/defconfig
+++ b/nuttx/configs/stm32f100rc_generic/nsh/defconfig
@@ -249,7 +249,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
# CONFIG_SCHED_LPWORK is not set
CONFIG_SCHED_WAITPID=y
# CONFIG_SCHED_ATEXIT is not set
diff --git a/nuttx/configs/stm32f4discovery/README.txt b/nuttx/configs/stm32f4discovery/README.txt
index c1d484279..39fb41d78 100644
--- a/nuttx/configs/stm32f4discovery/README.txt
+++ b/nuttx/configs/stm32f4discovery/README.txt
@@ -1447,6 +1447,32 @@ Where <subdir> is one of the following:
STANDBY mode. This used of the RTC alarm could conflict with other uses of
the RTC alarm in your application.
+
+ posix_spawn:
+ ------------
+ This configuration directory, performs a simple test os the posix_spawn
+ interface using apps/examples/posix_spawn.
+
+ NOTES:
+
+ 1. This configuration uses the mconf-based configuration tool. To
+ change this configuration using that tool, you should:
+
+ a. Build and install the kconfig-mconf tool. See nuttx/README.txt
+ and misc/tools/
+
+ b. Execute 'make menuconfig' in nuttx/ in order to start the
+ reconfiguration process.
+
+ 2. Default toolchain:
+
+ CONFIG_HOST_WINDOWS=y : Builds under windows
+ CONFIG_WINDOWS_CYGWIN=y : Using Cygwin and
+ CONFIG_STM32_CODESOURCERYW=y : The native Windows CodeSourcery toolchain
+
+ 3. By default, this project assumes that you are *NOT* using the DFU
+ bootloader.
+
winbuild:
--------
diff --git a/nuttx/configs/stm32f4discovery/nsh/defconfig b/nuttx/configs/stm32f4discovery/nsh/defconfig
index 8967fd01c..98034e22e 100644
--- a/nuttx/configs/stm32f4discovery/nsh/defconfig
+++ b/nuttx/configs/stm32f4discovery/nsh/defconfig
@@ -282,7 +282,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/stm32f4discovery/pm/defconfig b/nuttx/configs/stm32f4discovery/pm/defconfig
index 105eb4d37..3e24168cd 100644
--- a/nuttx/configs/stm32f4discovery/pm/defconfig
+++ b/nuttx/configs/stm32f4discovery/pm/defconfig
@@ -283,7 +283,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/stm32f4discovery/posix_spawn/defconfig b/nuttx/configs/stm32f4discovery/posix_spawn/defconfig
index b908393d8..9e30ada8a 100644
--- a/nuttx/configs/stm32f4discovery/posix_spawn/defconfig
+++ b/nuttx/configs/stm32f4discovery/posix_spawn/defconfig
@@ -441,7 +441,7 @@ CONFIG_EOL_IS_EITHER_CRLF=y
CONFIG_LIBC_EXECFUNCS=y
CONFIG_EXECFUNCS_SYMTAB="exports"
CONFIG_EXECFUNCS_NSYMBOLS=10
-CONFIG_POSIX_SPAWN_STACKSIZE=768
+CONFIG_POSIX_SPAWN_STACKSIZE=1024
# CONFIG_LIBC_STRERROR is not set
# CONFIG_LIBC_PERROR_STDOUT is not set
CONFIG_ARCH_LOWPUTC=y
diff --git a/nuttx/configs/sure-pic32mx/nsh/defconfig b/nuttx/configs/sure-pic32mx/nsh/defconfig
index 050f30247..60c4dc53d 100644
--- a/nuttx/configs/sure-pic32mx/nsh/defconfig
+++ b/nuttx/configs/sure-pic32mx/nsh/defconfig
@@ -202,7 +202,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/sure-pic32mx/ostest/defconfig b/nuttx/configs/sure-pic32mx/ostest/defconfig
index eb386e232..1bca11c47 100644
--- a/nuttx/configs/sure-pic32mx/ostest/defconfig
+++ b/nuttx/configs/sure-pic32mx/ostest/defconfig
@@ -188,7 +188,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for nxflat
diff --git a/nuttx/configs/sure-pic32mx/usbnsh/defconfig b/nuttx/configs/sure-pic32mx/usbnsh/defconfig
index 2b28b94c7..978e16541 100644
--- a/nuttx/configs/sure-pic32mx/usbnsh/defconfig
+++ b/nuttx/configs/sure-pic32mx/usbnsh/defconfig
@@ -199,7 +199,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/teensy/hello/defconfig b/nuttx/configs/teensy/hello/defconfig
index 93376ac57..8fafe1a10 100644
--- a/nuttx/configs/teensy/hello/defconfig
+++ b/nuttx/configs/teensy/hello/defconfig
@@ -137,7 +137,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for nxflat
diff --git a/nuttx/configs/teensy/nsh/defconfig b/nuttx/configs/teensy/nsh/defconfig
index ffcd94c1d..faeb0b103 100755
--- a/nuttx/configs/teensy/nsh/defconfig
+++ b/nuttx/configs/teensy/nsh/defconfig
@@ -137,7 +137,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for NXFLAT
diff --git a/nuttx/configs/teensy/usbstorage/defconfig b/nuttx/configs/teensy/usbstorage/defconfig
index dba45073f..1f0186897 100755
--- a/nuttx/configs/teensy/usbstorage/defconfig
+++ b/nuttx/configs/teensy/usbstorage/defconfig
@@ -138,7 +138,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# Settings for NXFLAT
diff --git a/nuttx/configs/twr-k60n512/nsh/defconfig b/nuttx/configs/twr-k60n512/nsh/defconfig
index aeb0c5359..7a4bb3b3a 100644
--- a/nuttx/configs/twr-k60n512/nsh/defconfig
+++ b/nuttx/configs/twr-k60n512/nsh/defconfig
@@ -204,7 +204,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/twr-k60n512/ostest/defconfig b/nuttx/configs/twr-k60n512/ostest/defconfig
index 9cf37c763..355e5773b 100644
--- a/nuttx/configs/twr-k60n512/ostest/defconfig
+++ b/nuttx/configs/twr-k60n512/ostest/defconfig
@@ -203,7 +203,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
#
# The following can be used to disable categories of
diff --git a/nuttx/configs/ubw32/nsh/defconfig b/nuttx/configs/ubw32/nsh/defconfig
index 320b7e266..ad18c12b6 100644
--- a/nuttx/configs/ubw32/nsh/defconfig
+++ b/nuttx/configs/ubw32/nsh/defconfig
@@ -189,7 +189,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/ubw32/ostest/defconfig b/nuttx/configs/ubw32/ostest/defconfig
index 71f286700..60322d4f6 100644
--- a/nuttx/configs/ubw32/ostest/defconfig
+++ b/nuttx/configs/ubw32/ostest/defconfig
@@ -188,7 +188,7 @@ CONFIG_SCHED_WORKQUEUE=n
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=n
CONFIG_SCHED_ATEXIT=n
diff --git a/nuttx/configs/vsn/nsh/defconfig b/nuttx/configs/vsn/nsh/defconfig
index fa5570596..2b7d8a20c 100755
--- a/nuttx/configs/vsn/nsh/defconfig
+++ b/nuttx/configs/vsn/nsh/defconfig
@@ -247,7 +247,7 @@ CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=1024
-CONFIG_SIG_SIGWORK=4
+CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WAITPID=y
#
# The following can be used to disable categories of