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fix wait after vfork return error

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vfork use waitpid hang father process,
but waitpid release child processs information by default.
So when user call wait, it return errno 10.

Signed-off-by: yangyalei <yangyalei@xiaomi.com>
This commit is contained in:
yangyalei 2023-08-16 11:45:04 +08:00 • committed by Petro Karashchenko
parent eba2f163ed
commit fd776e8cee
4 changed files with 11 additions and 8 deletions
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2
libs/libc/unistd/lib_vfork.c
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@ -63,7 +63,7 @@ pid_t vfork(void)
* until running finished or performing exec
*/
ret = waitpid(pid, &status, 0);
ret = waitpid(pid, &status, WNOWAIT);
if (ret < 0)
{
serr("ERROR: waitpid failed: %d\n", get_errno());