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authorRoland McGrath <roland@hack.frob.com>2014-06-20 17:13:47 -0700
committerRoland McGrath <roland@hack.frob.com>2014-06-20 17:13:47 -0700
commit4b88139b6f22b70048793725a6c3f67bddc7baee (patch)
treec686a38eb7cb9540d217a077a258713f3bf8304f /sysdeps/sparc/nptl/pthread_barrier_init.c
parent9bc6103d0460686a92105410a306252238d952d8 (diff)
downloadglibc-4b88139b6f22b70048793725a6c3f67bddc7baee.tar.gz
Move remaining SPARC code out of nptl/.
Diffstat (limited to 'sysdeps/sparc/nptl/pthread_barrier_init.c')
-rw-r--r--sysdeps/sparc/nptl/pthread_barrier_init.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/sysdeps/sparc/nptl/pthread_barrier_init.c b/sysdeps/sparc/nptl/pthread_barrier_init.c
new file mode 100644
index 0000000000..6af686361d
--- /dev/null
+++ b/sysdeps/sparc/nptl/pthread_barrier_init.c
@@ -0,0 +1,54 @@
+/* Copyright (C) 2002-2014 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include "pthreadP.h"
+#include <lowlevellock.h>
+
+int
+pthread_barrier_init (barrier, attr, count)
+ pthread_barrier_t *barrier;
+ const pthread_barrierattr_t *attr;
+ unsigned int count;
+{
+ union sparc_pthread_barrier *ibarrier;
+
+ if (__glibc_unlikely (count == 0))
+ return EINVAL;
+
+ struct pthread_barrierattr *iattr = (struct pthread_barrierattr *) attr;
+ if (iattr != NULL)
+ {
+ if (iattr->pshared != PTHREAD_PROCESS_PRIVATE
+ && __builtin_expect (iattr->pshared != PTHREAD_PROCESS_SHARED, 0))
+ /* Invalid attribute. */
+ return EINVAL;
+ }
+
+ ibarrier = (union sparc_pthread_barrier *) barrier;
+
+ /* Initialize the individual fields. */
+ ibarrier->b.lock = LLL_LOCK_INITIALIZER;
+ ibarrier->b.left = count;
+ ibarrier->b.init_count = count;
+ ibarrier->b.curr_event = 0;
+ ibarrier->s.left_lock = 0;
+ ibarrier->s.pshared = (iattr && iattr->pshared == PTHREAD_PROCESS_SHARED);
+
+ return 0;
+}