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authormonty@hundin.mysql.fi <>2001-12-10 00:08:24 +0200
committermonty@hundin.mysql.fi <>2001-12-10 00:08:24 +0200
commit6b02f13cf3f0b4757398ef8e6915eacb8bfe70a0 (patch)
tree3e69c63ee516f0cf84e4f42523b616db0f833200 /include/my_semaphore.h
parenta1f9987bff24b42881f8bf0e2fdc4a13930c7273 (diff)
downloadmariadb-git-6b02f13cf3f0b4757398ef8e6915eacb8bfe70a0.tar.gz
Removed compiler warnings.
Added new operators to be used with gcc 3.0.x Update of query cache code. Added semaphores for Windows (not yet in use) Added pthread_mutex_trylock for windows.
Diffstat (limited to 'include/my_semaphore.h')
-rw-r--r--include/my_semaphore.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/include/my_semaphore.h b/include/my_semaphore.h
new file mode 100644
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+++ b/include/my_semaphore.h
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+/*
+ * Module: semaphore.h
+ *
+ * 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
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA
+ */
+
+/* This is hacked by Monty to be included in mysys library */
+
+#ifndef _my_semaphore_h_
+#define _my_semaphore_h_
+
+#ifndef __WIN__
+#include <semaphore.h>
+#else
+
+C_MODE_START
+
+typedef HANDLE sem_t;
+int sem_init (sem_t * sem, int pshared, unsigned int value);
+int sem_destroy (sem_t * sem);
+int sem_trywait (sem_t * sem);
+int sem_wait (sem_t * sem);
+int sem_post (sem_t * sem);
+int sem_post_multiple (sem_t * sem,int count);
+int sem_getvalue (sem_t * sem, int * sval);
+
+C_MODE_END
+#endif /* __WIN__ */
+#endif /* !_my_semaphore_h_ */