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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-06-15 21:44:27 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-06-15 21:44:27 +0000 |
commit | 7ab326bbb406504d0ae528af8a06b8456201b6a6 (patch) | |
tree | b24fad5ab2aaa4434d354822b7563426cc08a8a1 /nuttx/configs/ez80f910200zco/poll | |
parent | 8e8a4c5677c081b145768538d9944d817e3985c8 (diff) | |
download | px4-nuttx-7ab326bbb406504d0ae528af8a06b8456201b6a6.tar.gz px4-nuttx-7ab326bbb406504d0ae528af8a06b8456201b6a6.tar.bz2 px4-nuttx-7ab326bbb406504d0ae528af8a06b8456201b6a6.zip |
Add conditional compilation to eliminate or limit cloning of descriptors when a new task is created
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1886 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/ez80f910200zco/poll')
-rw-r--r-- | nuttx/configs/ez80f910200zco/poll/defconfig | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/nuttx/configs/ez80f910200zco/poll/defconfig b/nuttx/configs/ez80f910200zco/poll/defconfig index 0997f71c3..90c5d6e78 100644 --- a/nuttx/configs/ez80f910200zco/poll/defconfig +++ b/nuttx/configs/ez80f910200zco/poll/defconfig @@ -212,17 +212,30 @@ CONFIG_HAVE_LIBM=n # CONFIG_PRIORITY_INHERITANCE : Set to enable support for priority # inheritance on mutexes and semaphores. # CONFIG_SEM_PREALLOCHOLDERS: This setting is only used if priority -# inheritance is enabled. It defines the maximum number of different -# threads (minus one) that can take counts on a semaphore with priority -# inheritance support. This may be set to zero if priority inheritance -# is disabled OR if you are only using semaphores as mutexes (only -# one holder) OR if no more than two threads participate using a -# counting semaphore. -# CONFIG_SEM_NNESTPRIO. If priority inheritance is enabled, then this -# setting is the maximum number of higher priority threads (minus 1) -# than can be waiting for another thread to release a count on a -# semaphore. This value may be set to zero if no more than one -# thread is expected to wait for a semaphore. +# inheritance is enabled. It defines the maximum number of +# different threads (minus one) that can take counts on a +# semaphore with priority inheritance support. This may be +# set to zero if priority inheritance is disabled OR if you +# are only using semaphores as mutexes (only one holder) OR +# if no more than two threads participate using a counting +# semaphore. +# CONFIG_SEM_NNESTPRIO. If priority inheritance is enabled, +# then this setting is the maximum number of higher priority +# threads (minus 1) than can be waiting for another thread +# to release a count on a semaphore. This value may be set +# to zero if no more than one thread is expected to wait for +# a semaphore. +# CONFIG_FDCLONE_DISABLE. Disable cloning of all file descriptors +# by task_create() when a new task is started. If set, all +# files/drivers will appear to be closed in the new task. +# CONFIG_FDCLONE_STDIO. Disable cloning of all but the first +# three file descriptors (stdin, stdout, stderr) by task_create() +# when a new task is started. If set, all files/drivers will +# appear to be closed in the new task except for stdin, stdout, +# and stderr. +# CONFIG_SDCLONE_DISABLE. Disable cloning of all socket +# desciptors by task_create() when a new task is started. If +# set, all sockets will appear to be closed in the new task. # CONFIG_EXAMPLE=poll CONFIG_DEBUG=y @@ -244,6 +257,9 @@ CONFIG_MUTEX_TYPES=n CONFIG_PRIORITY_INHERITANCE=n CONFIG_SEM_PREALLOCHOLDERS=0 CONFIG_SEM_NNESTPRIO=0 +CONFIG_FDCLONE_DISABLE=n +CONFIG_FDCLONE_STDIO=n +CONFIG_SDCLONE_DISABLE=y # # The following can be used to disable categories of |