summaryrefslogtreecommitdiff
path: root/semaphore_post.c
diff options
context:
space:
mode:
authorrpj <rpj>2002-02-18 03:16:52 +0000
committerrpj <rpj>2002-02-18 03:16:52 +0000
commita416ab17ecf9f2cb0f1e3f7bd645a8d1ce690ca2 (patch)
tree72f776cd64e48824a5578ff7a523bc69097143b4 /semaphore_post.c
parente6f1797e9e9925ae7f9dda54806ef8f52ae3ed07 (diff)
Major reorganisation of source code; new routine and tests added.
Diffstat (limited to 'semaphore_post.c')
-rw-r--r--semaphore_post.c104
1 files changed, 0 insertions, 104 deletions
diff --git a/semaphore_post.c b/semaphore_post.c
deleted file mode 100644
index b7ce8da..0000000
--- a/semaphore_post.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * -------------------------------------------------------------
- *
- * Module: semaphore_post.c
- *
- * Purpose:
- * Semaphores aren't actually part of the PThreads standard.
- * They are defined by the POSIX Standard:
- *
- * POSIX 1003.1b-1993 (POSIX.1b)
- *
- * -------------------------------------------------------------
- *
- * --------------------------------------------------------------------------
- *
- * Pthreads-win32 - POSIX Threads Library for Win32
- * Copyright(C) 1998 John E. Bossom
- * Copyright(C) 1999,2002 Pthreads-win32 contributors
- *
- * Contact Email: rpj@ise.canberra.edu.au
- *
- * The current list of contributors is contained
- * in the file CONTRIBUTORS included with the source
- * code distribution. The list can also be seen at the
- * following World Wide Web location:
- * http://sources.redhat.com/pthreads-win32/contributors.html
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library in the file COPYING.LIB;
- * if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
-
-#include "pthread.h"
-#include "semaphore.h"
-#include "implement.h"
-
-
-int
-sem_post (sem_t * sem)
- /*
- * ------------------------------------------------------
- * DOCPUBLIC
- * This function posts a wakeup to a semaphore.
- *
- * PARAMETERS
- * sem
- * pointer to an instance of sem_t
- *
- * DESCRIPTION
- * This function posts a wakeup to a semaphore. If there
- * are waiting threads (or processes), one is awakened;
- * otherwise, the semaphore value is incremented by one.
- *
- * RESULTS
- * 0 successfully posted semaphore,
- * -1 failed, error in errno
- * ERRNO
- * EINVAL 'sem' is not a valid semaphore,
- * ENOSYS semaphores are not supported,
- *
- * ------------------------------------------------------
- */
-{
- int result = 0;
-
- if (sem == NULL || *sem == NULL)
- {
- result = EINVAL;
- }
-
-#ifdef NEED_SEM
-
- else if (! ptw32_increase_semaphore (sem, 1))
-
-#else /* NEED_SEM */
-
- else if (! ReleaseSemaphore ((*sem)->sem, 1, 0))
-
-#endif /* NEED_SEM */
-
- {
- result = EINVAL;
- }
-
- if (result != 0)
- {
- errno = result;
- return -1;
- }
-
- return 0;
-
-} /* sem_post */