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authorDoug Rabson <dfr@FreeBSD.org>2000-07-21 09:31:13 +0000
committerDoug Rabson <dfr@FreeBSD.org>2000-07-21 09:31:13 +0000
commit678ef1b49eb8de71bea62013193bb8f49c5e3811 (patch)
treec00a90e2c23aaa9a9e6f0166e6de86233a9b3d5e /lib
parenta606bbf4c867581b350d9e06b25d78b9177911a4 (diff)
downloadsrc-678ef1b49eb8de71bea62013193bb8f49c5e3811.tar.gz
src-678ef1b49eb8de71bea62013193bb8f49c5e3811.zip
Call _thread_init() from pthread_once() if it has not already been called.
This fixes a segfault in some C++ programs which use exceptions before main() has been called (i.e. from global constructors). Reviewed by: deischen
Notes
Notes: svn path=/head/; revision=63710
Diffstat (limited to 'lib')
-rw-r--r--lib/libc_r/uthread/uthread_once.c2
-rw-r--r--lib/libkse/thread/thr_once.c2
-rw-r--r--lib/libpthread/thread/thr_once.c2
3 files changed, 6 insertions, 0 deletions
diff --git a/lib/libc_r/uthread/uthread_once.c b/lib/libc_r/uthread/uthread_once.c
index ea56d82c4d83..d7bb494b6741 100644
--- a/lib/libc_r/uthread/uthread_once.c
+++ b/lib/libc_r/uthread/uthread_once.c
@@ -39,6 +39,8 @@ int
pthread_once(pthread_once_t * once_control, void (*init_routine) (void))
{
if (once_control->state == PTHREAD_NEEDS_INIT) {
+ if (_thread_initial == NULL)
+ _thread_init();
pthread_mutex_lock(&(once_control->mutex));
if (once_control->state == PTHREAD_NEEDS_INIT) {
init_routine();
diff --git a/lib/libkse/thread/thr_once.c b/lib/libkse/thread/thr_once.c
index ea56d82c4d83..d7bb494b6741 100644
--- a/lib/libkse/thread/thr_once.c
+++ b/lib/libkse/thread/thr_once.c
@@ -39,6 +39,8 @@ int
pthread_once(pthread_once_t * once_control, void (*init_routine) (void))
{
if (once_control->state == PTHREAD_NEEDS_INIT) {
+ if (_thread_initial == NULL)
+ _thread_init();
pthread_mutex_lock(&(once_control->mutex));
if (once_control->state == PTHREAD_NEEDS_INIT) {
init_routine();
diff --git a/lib/libpthread/thread/thr_once.c b/lib/libpthread/thread/thr_once.c
index ea56d82c4d83..d7bb494b6741 100644
--- a/lib/libpthread/thread/thr_once.c
+++ b/lib/libpthread/thread/thr_once.c
@@ -39,6 +39,8 @@ int
pthread_once(pthread_once_t * once_control, void (*init_routine) (void))
{
if (once_control->state == PTHREAD_NEEDS_INIT) {
+ if (_thread_initial == NULL)
+ _thread_init();
pthread_mutex_lock(&(once_control->mutex));
if (once_control->state == PTHREAD_NEEDS_INIT) {
init_routine();