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* Versions.def: Add GLIBC_2.4 for libpthread.

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This commit is contained in:
Ulrich Drepper
2005-12-27 01:04:06 +00:00
parent 08f60b258e
commit 1bcfb5a5eb
31 changed files with 981 additions and 59 deletions
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14
nptl/pthread_mutex_init.c
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@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -18,6 +18,7 @@
02111-1307 USA. */
#include <assert.h>
#include <errno.h>
#include <string.h>
#include "pthreadP.h"
@ -40,17 +41,26 @@ __pthread_mutex_init (mutex, mutexattr)
imutexattr = (const struct pthread_mutexattr *) mutexattr ?: &default_attr;
/* Sanity checks. */
// XXX For now we cannot implement robust mutexes if they are shared.
if ((imutexattr->mutexkind & PTHREAD_MUTEXATTR_FLAG_ROBUST) != 0
&& (imutexattr->mutexkind & PTHREAD_MUTEXATTR_FLAG_PSHARED) != 0)
return ENOTSUP;
/* Clear the whole variable. */
memset (mutex, '\0', __SIZEOF_PTHREAD_MUTEX_T);
/* Copy the values from the attribute. */
mutex->__data.__kind = imutexattr->mutexkind & ~0x80000000;
mutex->__data.__kind = imutexattr->mutexkind & ~PTHREAD_MUTEXATTR_FLAG_BITS;
if ((imutexattr->mutexkind & PTHREAD_MUTEXATTR_FLAG_ROBUST) != 0)
mutex->__data.__kind |= PTHREAD_MUTEX_ROBUST_PRIVATE_NP;
/* Default values: mutex not used yet. */
// mutex->__count = 0; already done by memset
// mutex->__owner = 0; already done by memset
// mutex->__nusers = 0; already done by memset
// mutex->__spins = 0; already done by memset
// mutex->__next = NULL; already done by memset
return 0;
}