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-rw-r--r--semaphore.h77
1 files changed, 58 insertions, 19 deletions
diff --git a/semaphore.h b/semaphore.h
index ce135bf..78a627c 100644
--- a/semaphore.h
+++ b/semaphore.h
@@ -7,30 +7,64 @@
*
* POSIX 1003.1b-1993 (POSIX.1b)
*
- * Pthreads-win32 - POSIX Threads Library for Win32
- * Copyright (C) 1998 Ben Elliston and Ross Johnson
- * Copyright (C) 1999,2000,2001 Ross Johnson
+ * --------------------------------------------------------------------------
*
- * Contact Email: rpj@ise.canberra.edu.au
- *
- * 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
+ * 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
*/
#if !defined( SEMAPHORE_H )
#define SEMAPHORE_H
+#undef PTW32_LEVEL
+
+#if defined(_POSIX_SOURCE)
+#define PTW32_LEVEL 0
+/* Early POSIX */
+#endif
+
+#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 199309
+#undef PTW32_LEVEL
+#define PTW32_LEVEL 1
+/* Include 1b, 1c and 1d */
+#endif
+
+#if defined(INCLUDE_NP)
+#undef PTW32_LEVEL
+#define PTW32_LEVEL 2
+/* Include Non-Portable extensions */
+#endif
+
+#define PTW32_LEVEL_MAX 3
+
+#if !defined(PTW32_LEVEL)
+#define PTW32_LEVEL PTW32_LEVEL_MAX
+/* Include everything */
+#endif
+
/*
* This is a duplicate of what is in the autoconf config.h,
* which is only used when building the pthread-win32 libraries.
@@ -50,11 +84,13 @@
*
*/
+#if PTW32_LEVEL >= PTW32_LEVEL_MAX
#ifdef NEED_SEM
#include "need_errno.h"
#else
#include <errno.h>
#endif
+#endif /* PTW32_LEVEL >= PTW32_LEVEL_MAX */
#define _POSIX_SEMAPHORES
@@ -104,4 +140,7 @@ int sem_getvalue (sem_t * sem,
} /* End of extern "C" */
#endif /* __cplusplus */
+#undef PTW32_LEVEL
+#undef PTW32_LEVEL_MAX
+
#endif /* !SEMAPHORE_H */