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-rw-r--r--libpthread/nptl/pthread_mutexattr_getpshared.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/libpthread/nptl/pthread_mutexattr_getpshared.c b/libpthread/nptl/pthread_mutexattr_getpshared.c
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+++ b/libpthread/nptl/pthread_mutexattr_getpshared.c
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+/* Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C 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 2.1 of the License, or (at your option) any later version.
+
+ The GNU C 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 the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <pthreadP.h>
+
+
+int
+pthread_mutexattr_getpshared (attr, pshared)
+ const pthread_mutexattr_t *attr;
+ int *pshared;
+{
+ const struct pthread_mutexattr *iattr;
+
+ iattr = (const struct pthread_mutexattr *) attr;
+
+ /* We use bit 31 to signal whether the mutex is going to be
+ process-shared or not. */
+ *pshared = ((iattr->mutexkind & 0x80000000) != 0
+ ? PTHREAD_PROCESS_SHARED : PTHREAD_PROCESS_PRIVATE);
+
+ return 0;
+}