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process.c (retry_fork_async_signal_safe): fix -Wclobbered

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66178 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2018-12-04 01:41:55 +00:00
parent 5e8e1fcf87
commit b0ec083a20
1 changed files with 4 additions and 3 deletions
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7
process.c
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@ -3925,11 +3925,11 @@ retry_fork_async_signal_safe(int *status, int *ep,
volatile int try_gc = 1;
struct child_handler_disabler_state old;
int err;
rb_nativethread_lock_t *waitpid_lock;
waitpid_lock = w && WAITPID_USE_SIGCHLD ? &GET_VM()->waitpid_lock : 0;
rb_nativethread_lock_t *const waitpid_lock_init =
(w && WAITPID_USE_SIGCHLD) ? &GET_VM()->waitpid_lock : 0;
while (1) {
rb_nativethread_lock_t *waitpid_lock = waitpid_lock_init;
prefork();
disable_child_handler_before_fork(&old);
if (waitpid_lock) {
@ -3959,6 +3959,7 @@ retry_fork_async_signal_safe(int *status, int *ep,
#endif
}
err = errno;
waitpid_lock = waitpid_lock_init;
if (waitpid_lock) {
if (pid > 0 && w != WAITPID_LOCK_ONLY) {
w->pid = pid;