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authorSebastian Huber <sebastian.huber@embedded-brains.de>2017-10-11 07:58:39 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2017-10-12 07:14:15 +0200
commit64564df81045dfe31fb0369bc26566e24a36fa4b (patch)
treee0f977033d16289a6c2343ee5a13ea271274d7ac
parentd36d685f9840afb44bc3da60ad5d0f71564c3782 (diff)
downloadrtems-docs-64564df81045dfe31fb0369bc26566e24a36fa4b.tar.bz2
c-user: CONFIGURE_MAXIMUM_POSIX_SEMAPHORES
This configuration is not obsolete since it is still used for named semaphores. Update #3116.
-rw-r--r--c-user/configuring_a_system.rst36
1 files changed, 30 insertions, 6 deletions
diff --git a/c-user/configuring_a_system.rst b/c-user/configuring_a_system.rst
index 01904a1..c91c8b6 100644
--- a/c-user/configuring_a_system.rst
+++ b/c-user/configuring_a_system.rst
@@ -1292,6 +1292,36 @@ DESCRIPTION:
NOTES:
This object class can be configured in unlimited allocation mode.
+.. COMMENT: === CONFIGURE_MAXIMUM_POSIX_SEMAPHORES ===
+
+.. _Specify Maximum POSIX API Semaphores:
+
+Specify Maximum POSIX API Named Semaphores
+------------------------------------------
+.. index:: CONFIGURE_MAXIMUM_POSIX_SEMAPHORES
+
+CONSTANT:
+ ``CONFIGURE_MAXIMUM_POSIX_SEMAPHORES``
+
+DATA TYPE:
+ Unsigned integer (``uint32_t``).
+
+RANGE:
+ Zero or positive.
+
+DEFAULT VALUE:
+ The default value is 0.
+
+DESCRIPTION:
+ ``CONFIGURE_MAXIMUM_POSIX_SEMAPHORES`` is the maximum number of POSIX API
+ Named Semaphores that can be concurrently active. Named semaphores are
+ created with ``sem_open()``. Semaphores initialized with ``sem_init()``
+ are not affected by this configuration option since the storage space for
+ these semaphores is user-provided.
+
+NOTES:
+ None.
+
.. COMMENT: === POSIX Initialization Threads Table Configuration ===
POSIX Initialization Threads Table Configuration
@@ -4986,12 +5016,6 @@ CONFIGURE_MAXIMUM_POSIX_RWLOCKS
This configuration option is obsolete since RTEMS 4.12.
-CONFIGURE_MAXIMUM_POSIX_SEMAPHORES
-----------------------------------
-.. index:: CONFIGURE_MAXIMUM_POSIX_SEMAPHORES
-
-This configuration option is obsolete since RTEMS 4.12.
-
CONFIGURE_MAXIMUM_POSIX_SPINLOCKS
---------------------------------
.. index:: CONFIGURE_MAXIMUM_POSIX_SPINLOCKS