diff options
Diffstat (limited to 'ptw32_increase_semaphore.c')
| -rw-r--r-- | ptw32_increase_semaphore.c | 146 |
1 files changed, 73 insertions, 73 deletions
diff --git a/ptw32_increase_semaphore.c b/ptw32_increase_semaphore.c index c1ede3f..ecfc1da 100644 --- a/ptw32_increase_semaphore.c +++ b/ptw32_increase_semaphore.c @@ -1,73 +1,73 @@ -/*
- * -------------------------------------------------------------
- *
- * Module: ptw32_increase_semaphore.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) 1999,2005 Pthreads-win32 contributors
- *
- * Contact Email: rpj@callisto.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"
-
-#ifdef NEED_SEM
-
-INLINE BOOL
-ptw32_increase_semaphore (sem_t * sem, int n)
-{
- BOOL result;
- register sem_t s = *sem;
-
- EnterCriticalSection (&s->sem_lock_cs);
-
- if (s->value + n > s->value)
- {
- s->value += n;
- SetEvent (s->event);
- result = PTW32_TRUE;
- }
- else
- {
- result = PTW32_FALSE;
- }
-
- LeaveCriticalSection (&s->sem_lock_cs);
- return result;
-}
-
-#endif /* NEED_SEM */
+/* + * ------------------------------------------------------------- + * + * Module: ptw32_increase_semaphore.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) 1999,2005 Pthreads-win32 contributors + * + * Contact Email: rpj@callisto.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" + +#ifdef NEED_SEM + +INLINE BOOL +ptw32_increase_semaphore (sem_t * sem, int n) +{ + BOOL result; + register sem_t s = *sem; + + EnterCriticalSection (&s->sem_lock_cs); + + if (s->value + n > s->value) + { + s->value += n; + SetEvent (s->event); + result = PTW32_TRUE; + } + else + { + result = PTW32_FALSE; + } + + LeaveCriticalSection (&s->sem_lock_cs); + return result; +} + +#endif /* NEED_SEM */ |