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Diffstat (limited to 'nptl/pthread_getattr_np.c')
-rw-r--r--nptl/pthread_getattr_np.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/nptl/pthread_getattr_np.c b/nptl/pthread_getattr_np.c
new file mode 100644
index 0000000000..4e580437cf
--- /dev/null
+++ b/nptl/pthread_getattr_np.c
@@ -0,0 +1,65 @@
+/* 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 <string.h>
+#include "pthreadP.h"
+#include <lowlevellock.h>
+
+
+int
+pthread_getattr_np (thread_id, attr)
+ pthread_t thread_id;
+ pthread_attr_t *attr;
+{
+ struct pthread *thread = (struct pthread *) thread_id;
+ struct pthread_attr *iattr = (struct pthread_attr *) attr;
+
+ /* We have to handle cancellation in the following code since we are
+ locking another threads desriptor. */
+ pthread_cleanup_push ((void (*) (void *)) lll_unlock_wake_cb, &thread->lock);
+
+ lll_lock (thread->lock);
+
+ /* The thread library is responsible for keeping the values in the
+ thread desriptor up-to-date in case the user changes them. */
+ memcpy (&iattr->schedparam, &thread->schedparam,
+ sizeof (struct sched_param));
+ iattr->schedpolicy = thread->schedpolicy;
+
+ /* Clear the flags work. */
+ iattr->flags = thread->flags;
+
+ /* The thread might be detached by now. */
+ if (IS_DETACHED (thread))
+ iattr->flags |= ATTR_FLAG_DETACHSTATE;
+
+ /* This is the guardsize after adjusting it. */
+ iattr->guardsize = thread->guardsize;
+
+ /* The sizes are subject to alignment. */
+ iattr->stacksize = thread->stackblock_size;
+ iattr->stackaddr = (char *) thread->stackblock + iattr->stacksize;
+ iattr->flags |= ATTR_FLAG_STACKADDR;
+
+ lll_unlock (thread->lock);
+
+ pthread_cleanup_pop (0);
+
+ return 0;
+}