diff options
Diffstat (limited to 'libpthread/nptl/pthread_mutexattr_settype.c')
-rw-r--r-- | libpthread/nptl/pthread_mutexattr_settype.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/libpthread/nptl/pthread_mutexattr_settype.c b/libpthread/nptl/pthread_mutexattr_settype.c new file mode 100644 index 000000000..c77fe79df --- /dev/null +++ b/libpthread/nptl/pthread_mutexattr_settype.c @@ -0,0 +1,43 @@ +/* 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 <errno.h> +#include <pthreadP.h> + + +int +__pthread_mutexattr_settype (attr, kind) + pthread_mutexattr_t *attr; + int kind; +{ + struct pthread_mutexattr *iattr; + + if (kind < PTHREAD_MUTEX_NORMAL || kind > PTHREAD_MUTEX_ADAPTIVE_NP) + return EINVAL; + + iattr = (struct pthread_mutexattr *) attr; + + /* We use bit 31 to signal whether the mutex is going to be + process-shared or not. */ + iattr->mutexkind = (iattr->mutexkind & 0x80000000) | kind; + + return 0; +} +weak_alias (__pthread_mutexattr_settype, pthread_mutexattr_setkind_np) +strong_alias (__pthread_mutexattr_settype, pthread_mutexattr_settype) |