diff options
| author | rpj <rpj> | 2005-04-25 00:49:04 +0000 |
|---|---|---|
| committer | rpj <rpj> | 2005-04-25 00:49:04 +0000 |
| commit | bbae92ba08f8bc5d4d93d45b3e032686270dc99e (patch) | |
| tree | fa9e02df18385537aaebad48d377a1c21dfa25f3 /ptw32_increase_semaphore.c | |
| parent | c2c2749315183f102d8967f37a43394fd39c5abd (diff) | |
''
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 2b25eee..c1ede3f 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, unsigned 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 */
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