[Feature][T106]ZXW P56U09 code
Only Configure: Yes
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: No
Doc Update: No
Change-Id: I3cbd8b420271eb20c2b40ebe5c78f83059cd42f3
diff --git a/ap/build/uClibc/libpthread/linuxthreads/ptfork.c b/ap/build/uClibc/libpthread/linuxthreads/ptfork.c
new file mode 100644
index 0000000..853aeea
--- /dev/null
+++ b/ap/build/uClibc/libpthread/linuxthreads/ptfork.c
@@ -0,0 +1,94 @@
+/* Linuxthreads - a simple clone()-based implementation of Posix */
+/* threads for Linux. */
+/* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr) */
+/* */
+/* This program is free software; you can redistribute it and/or */
+/* modify it under the terms of the GNU Library General Public License */
+/* as published by the Free Software Foundation; either version 2 */
+/* of the License, or (at your option) any later version. */
+/* */
+/* This program 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 Library General Public License for more details. */
+
+/* The "atfork" stuff */
+
+#include <errno.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "pthread.h"
+#include "internals.h"
+#include <bits/libc-lock.h>
+#include "fork.h"
+
+extern int __libc_fork (void);
+
+pid_t __pthread_fork (struct fork_block *b)
+{
+ pid_t pid;
+ list_t *runp;
+
+ __libc_lock_lock (b->lock);
+
+ /* Run all the registered preparation handlers. In reverse order. */
+ list_for_each_prev (runp, &b->prepare_list)
+ {
+ struct fork_handler *curp;
+ curp = list_entry (runp, struct fork_handler, list);
+ curp->handler ();
+ }
+
+ __pthread_once_fork_prepare();
+ __flockfilelist();
+
+ pid = ARCH_FORK ();
+
+ if (pid == 0) {
+ __pthread_reset_main_thread();
+
+ __fresetlockfiles();
+ __pthread_once_fork_child();
+
+ /* Run the handlers registered for the child. */
+ list_for_each (runp, &b->child_list)
+ {
+ struct fork_handler *curp;
+ curp = list_entry (runp, struct fork_handler, list);
+ curp->handler ();
+ }
+
+ __libc_lock_init (b->lock);
+ } else {
+ __funlockfilelist();
+ __pthread_once_fork_parent();
+
+ /* Run the handlers registered for the parent. */
+ list_for_each (runp, &b->parent_list)
+ {
+ struct fork_handler *curp;
+ curp = list_entry (runp, struct fork_handler, list);
+ curp->handler ();
+ }
+
+ __libc_lock_unlock (b->lock);
+ }
+
+ return pid;
+}
+
+/* psm: have no idea why these are here, sjhill? */
+#if 0 /*def SHARED*/
+pid_t __fork (void)
+{
+ return __libc_fork ();
+}
+weak_alias (__fork, fork)
+
+pid_t __vfork(void)
+{
+ return __libc_fork ();
+}
+weak_alias (__vfork, vfork)
+#endif