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Diffstat (limited to 'libpthread/linuxthreads/ptfork.c')
-rw-r--r--libpthread/linuxthreads/ptfork.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/libpthread/linuxthreads/ptfork.c b/libpthread/linuxthreads/ptfork.c
index 0c4e252d6..5ed380555 100644
--- a/libpthread/linuxthreads/ptfork.c
+++ b/libpthread/linuxthreads/ptfork.c
@@ -74,7 +74,7 @@ static inline void pthread_call_handlers(struct handler_list * list)
{
for (/*nothing*/; list != NULL; list = list->next) (list->handler)();
}
-
+#ifdef __UCLIBC_HAS_MMU__
extern int __libc_fork(void);
pid_t __fork(void)
@@ -105,3 +105,27 @@ pid_t __vfork(void)
return __fork();
}
weak_alias (__vfork, vfork);
+#else
+pid_t __vfork(void)
+{
+ pid_t pid;
+ struct handler_list * prepare, * child, * parent;
+
+ pthread_mutex_lock(&pthread_atfork_lock);
+ prepare = pthread_atfork_prepare;
+ child = pthread_atfork_child;
+ parent = pthread_atfork_parent;
+ pthread_mutex_unlock(&pthread_atfork_lock);
+ pthread_call_handlers(prepare);
+ pid = __libc_vfork();
+ if (pid == 0) {
+ __pthread_reset_main_thread();
+ __fresetlockfiles();
+ pthread_call_handlers(child);
+ } else {
+ pthread_call_handlers(parent);
+ }
+ return pid;
+}
+weak_alias (__vfork, vfork);
+#endif