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authorrpj <rpj>2002-02-18 03:16:52 +0000
committerrpj <rpj>2002-02-18 03:16:52 +0000
commita416ab17ecf9f2cb0f1e3f7bd645a8d1ce690ca2 (patch)
tree72f776cd64e48824a5578ff7a523bc69097143b4 /semaphore_getvalue.c
parente6f1797e9e9925ae7f9dda54806ef8f52ae3ed07 (diff)
Major reorganisation of source code; new routine and tests added.
Diffstat (limited to 'semaphore_getvalue.c')
-rw-r--r--semaphore_getvalue.c124
1 files changed, 0 insertions, 124 deletions
diff --git a/semaphore_getvalue.c b/semaphore_getvalue.c
deleted file mode 100644
index 185bcdb..0000000
--- a/semaphore_getvalue.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * -------------------------------------------------------------
- *
- * Module: semaphore_getvalue.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_getvalue(sem_t * sem, int * sval)
- /*
- * ------------------------------------------------------
- * DOCPUBLIC
- * This function stores the current count value of the
- * semaphore.
- * RESULTS
- *
- * Return value
- *
- * 0 sval has been set.
- * -1 failed, error in errno
- *
- * in global errno
- *
- * EINVAL 'sem' is not a valid semaphore,
- * ENOSYS this function is not supported,
- *
- *
- * PARAMETERS
- *
- * sem pointer to an instance of sem_t
- *
- * sval pointer to int.
- *
- * DESCRIPTION
- * This function stores the current count value of the semaphore
- * pointed to by sem in the int pointed to by sval.
- */
-{
- int result = 0;
-
- if ( sem == NULL || *sem == NULL || sval == NULL )
- {
- result = EINVAL;
- }
- else
- {
-
-#ifdef NEED_SEM
-
- result = ENOSYS;
-
-#else
- long value = *sval;
-
- /* Note:
- * The windows NT documentation says that the increment must be
- * greater than zero, but it is set to zero here. If this works,
- * the function will return true. If not, we can't do it this way
- * so flag it as not implemented.
- */
-
- if ( ReleaseSemaphore( (*sem)->sem, 0L, &value) )
- {
- *sval = value;
- }
- else
- {
- result = ENOSYS;
- }
-
-#endif
- }
-
-
- if ( result != 0 )
- {
- errno = result;
- return -1;
- }
-
- return 0;
-
-} /* sem_getvalue */