Added support for POSIX timers

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@111 42af7a65-404d-4744-a932-0658087f49c3

6 files changed, 26 insertions, 2 deletions

diff --git a/nuttx/arch/README.txt b/nuttx/arch/README.txt
index c61401348..63288f114 100644
--- a/nuttx/arch/README.txt
+++ b/nuttx/arch/README.txt
@@ -108,7 +108,7 @@ defconfig -- This is a configuration file similar to the Linux
 	o pthread_condtimedwait() depends on signals to wake
 	  up waiting tasks.
 
-		CONFIG_DISABLE_CLOCK, CONFIG_DISABLE_PTHREAD.
+		CONFIG_DISABLE_CLOCK, CONFIG_DISABLE_POSIX_TIMERS, CONFIG_DISABLE_PTHREAD.
 		CONFIG_DISABLE_SIGNALS, CONFIG_DISABLE_MQUEUE
 
 
diff --git a/nuttx/arch/c5471/defconfig b/nuttx/arch/c5471/defconfig
index 7ebb81587..a7d27caad 100644
--- a/nuttx/arch/c5471/defconfig
+++ b/nuttx/arch/c5471/defconfig
@@ -138,6 +138,7 @@ CONFIG_DEV_CONSOLE=y
 #   up waiting tasks.
 #
 CONFIG_DISABLE_CLOCK=n
+CONFIG_DISABLE_POSIX_TIMERS=n
 CONFIG_DISABLE_PTHREAD=n
 CONFIG_DISABLE_SIGNALS=n
 CONFIG_DISABLE_MQUEUE=n
@@ -207,6 +208,10 @@ CONFIG_RRLOAD_BINARY=y
 # CONFIG_PREALLOC_WDOGS - The number of pre-allocated watchdog
 #   structures.  The system manages a pool of preallocated
 #   watchdog structures to minimize dynamic allocations
+# CONFIG_PREALLOC_TIMERS - The number of pre-allocated POSIX
+#   timer structures.  The system manages a pool of preallocated
+#   timer structures to minimize dynamic allocations.  Set to
+#   zero for all dynamic allocations.
 #
 CONFIG_MAX_TASKS=64
 CONFIG_MAX_TASK_ARGS=4
@@ -220,6 +225,7 @@ CONFIG_PREALLOC_MQ_MSGS=32
 CONFIG_MQ_MAXMSGSIZE=32
 CONFIG_MAX_WDOGPARMS=4
 CONFIG_PREALLOC_WDOGS=32
+CONFIG_PREALLOC_TIMERS=8
 
 #
 # Stack and heap information
diff --git a/nuttx/arch/dm320/defconfig b/nuttx/arch/dm320/defconfig
index bc0074110..cdf7a4326 100644
--- a/nuttx/arch/dm320/defconfig
+++ b/nuttx/arch/dm320/defconfig
@@ -135,6 +135,7 @@ CONFIG_DEV_CONSOLE=n
 #   up waiting tasks.
 #
 CONFIG_DISABLE_CLOCK=n
+CONFIG_DISABLE_POSIX_TIMERS=n
 CONFIG_DISABLE_PTHREAD=n
 CONFIG_DISABLE_SIGNALS=n
 CONFIG_DISABLE_MQUEUE=n
@@ -204,6 +205,10 @@ CONFIG_RRLOAD_BINARY=y
 # CONFIG_PREALLOC_WDOGS - The number of pre-allocated watchdog
 #   structures.  The system manages a pool of preallocated
 #   watchdog structures to minimize dynamic allocations
+# CONFIG_PREALLOC_TIMERS - The number of pre-allocated POSIX
+#   timer structures.  The system manages a pool of preallocated
+#   timer structures to minimize dynamic allocations.  Set to
+#   zero for all dynamic allocations.
 #
 CONFIG_MAX_TASKS=64
 CONFIG_MAX_TASK_ARGS=4
@@ -217,6 +222,7 @@ CONFIG_PREALLOC_MQ_MSGS=32
 CONFIG_MQ_MAXMSGSIZE=32
 CONFIG_MAX_WDOGPARMS=4
 CONFIG_PREALLOC_WDOGS=32
+CONFIG_PREALLOC_TIMERS=8
 
 #
 # Stack and heap information
diff --git a/nuttx/arch/dm320/ld.script b/nuttx/arch/dm320/ld.script
index 72dca6590..6ee7a5db3 100644
--- a/nuttx/arch/dm320/ld.script
+++ b/nuttx/arch/dm320/ld.script
@@ -39,7 +39,7 @@ SECTIONS
 {
 	/* The OS entry point is here */
 
-	. = 0x01108000;
+	. = 0x01008000;
 	.text : {
 		_stext = ABSOLUTE(.);
 		*(.text)
diff --git a/nuttx/arch/pjrc-8051/defconfig b/nuttx/arch/pjrc-8051/defconfig
index 28925eec5..cdb73acda 100644
--- a/nuttx/arch/pjrc-8051/defconfig
+++ b/nuttx/arch/pjrc-8051/defconfig
@@ -132,6 +132,7 @@ CONFIG_DEV_CONSOLE=n
 #   up waiting tasks.
 #
 CONFIG_DISABLE_CLOCK=y
+CONFIG_DISABLE_POSIX_TIMERS=y
 CONFIG_DISABLE_PTHREAD=y
 CONFIG_DISABLE_SIGNALS=y
 CONFIG_DISABLE_MQUEUE=y
@@ -201,6 +202,10 @@ CONFIG_RRLOAD_BINARY=n
 # CONFIG_PREALLOC_WDOGS - The number of pre-allocated watchdog
 #   structures.  The system manages a pool of preallocated
 #   watchdog structures to minimize dynamic allocations
+# CONFIG_PREALLOC_TIMERS - The number of pre-allocated POSIX
+#   timer structures.  The system manages a pool of preallocated
+#   timer structures to minimize dynamic allocations.  Set to
+#   zero for all dynamic allocations.
 #
 CONFIG_MAX_TASKS=8
 CONFIG_MAX_TASK_ARGS=4
@@ -214,6 +219,7 @@ CONFIG_PREALLOC_MQ_MSGS=0
 CONFIG_MQ_MAXMSGSIZE=0
 CONFIG_MAX_WDOGPARMS=2
 CONFIG_PREALLOC_WDOGS=4
+CONFIG_PREALLOC_TIMERS=0
 
 #
 # Stack and heap information
diff --git a/nuttx/arch/sim/defconfig b/nuttx/arch/sim/defconfig
index 910623d1c..142d1d413 100644
--- a/nuttx/arch/sim/defconfig
+++ b/nuttx/arch/sim/defconfig
@@ -98,6 +98,7 @@ CONFIG_DEV_CONSOLE=y
 #   up waiting tasks.
 #
 CONFIG_DISABLE_CLOCK=n
+CONFIG_DISABLE_POSIX_TIMERS=n
 CONFIG_DISABLE_PTHREAD=n
 CONFIG_DISABLE_SIGNALS=n
 CONFIG_DISABLE_MQUEUE=n
@@ -167,6 +168,10 @@ CONFIG_RRLOAD_BINARY=n
 # CONFIG_PREALLOC_WDOGS - The number of pre-allocated watchdog
 #   structures.  The system manages a pool of preallocated
 #   watchdog structures to minimize dynamic allocations
+# CONFIG_PREALLOC_TIMERS - The number of pre-allocated POSIX
+#   timer structures.  The system manages a pool of preallocated
+#   timer structures to minimize dynamic allocations.  Set to
+#   zero for all dynamic allocations.
 #
 CONFIG_MAX_TASKS=64
 CONFIG_MAX_TASK_ARGS=4
@@ -180,6 +185,7 @@ CONFIG_PREALLOC_MQ_MSGS=32
 CONFIG_MQ_MAXMSGSIZE=32
 CONFIG_MAX_WDOGPARMS=4
 CONFIG_PREALLOC_WDOGS=32
+CONFIG_PREALLOC_TIMERS=8
 
 #
 # Stack and heap information