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add fast path for normal mutexes back to pthread_mutex_lock
[oweals/musl.git]
/
src
/
process
/
posix_spawn_file_actions_adddup2.c
diff --git
a/src/process/posix_spawn_file_actions_adddup2.c
b/src/process/posix_spawn_file_actions_adddup2.c
index 9209ee7c2e84fa78460db6a9cc7cd541c43ab3bf..26f2c5cc87e1402a6c7a3b4cd491278fa9b230db 100644
(file)
--- a/
src/process/posix_spawn_file_actions_adddup2.c
+++ b/
src/process/posix_spawn_file_actions_adddup2.c
@@
-10,7
+10,8
@@
int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *fa, int fd, int
op->cmd = FDOP_DUP2;
op->fd = fd;
op->newfd = newfd;
- op->next = fa->__actions;
+ if ((op->next = fa->__actions)) op->next->prev = op;
+ op->prev = 0;
fa->__actions = op;
return 0;
}