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authorad <ad@NetBSD.org>2007-03-02 17:40:55 +0000
committerad <ad@NetBSD.org>2007-03-02 17:40:55 +0000
commitdc39f9ec83784d35bc75dc9d9a7461b6cbdffefe (patch)
treeadfd09d50357297c22cfe49fb1ff9e7157a5a9c9 /lib/libpthread/pthread.c
parent1bcb6087a6c8b1df6b8adea68e9ba6eac1237453 (diff)
pthread_detach: acquire the join lock before changing pt_flags.
Diffstat (limited to 'lib/libpthread/pthread.c')
-rw-r--r--lib/libpthread/pthread.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/libpthread/pthread.c b/lib/libpthread/pthread.c
index fdf2bd4329f..8419853a6ff 100644
--- a/lib/libpthread/pthread.c
+++ b/lib/libpthread/pthread.c
@@ -1,4 +1,4 @@
-/* $NetBSD: pthread.c,v 1.62 2007/02/21 22:31:38 ad Exp $ */
+/* $NetBSD: pthread.c,v 1.63 2007/03/02 17:40:55 ad Exp $ */
/*-
* Copyright (c) 2001, 2002, 2003, 2006, 2007 The NetBSD Foundation, Inc.
@@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: pthread.c,v 1.62 2007/02/21 22:31:38 ad Exp $");
+__RCSID("$NetBSD: pthread.c,v 1.63 2007/03/02 17:40:55 ad Exp $");
#include <err.h>
#include <errno.h>
@@ -69,7 +69,7 @@ __RCSID("$NetBSD: pthread.c,v 1.62 2007/02/21 22:31:38 ad Exp $");
#define PTHREAD__UNPARK_MAX 128
/* How many times to try acquiring spin locks on MP systems. */
-#define PTHREAD__NSPINS 1000
+#define PTHREAD__NSPINS 1024
static void pthread__create_tramp(void *(*start)(void *), void *arg);
static void pthread__dead(pthread_t, pthread_t);
@@ -943,7 +943,9 @@ pthread_detach(pthread_t thread)
return 0;
#else
+ pthread_spinlock(self, &self->pt_join_lock);
thread->pt_flags |= PT_FLAG_DETACHED;
+ pthread_spinunlock(self, &self->pt_join_lock);
return _lwp_detach(thread->pt_lid);
#endif
}