59 static void WaitPid(pid_t pid) {  in WaitPid()  argument
61   pid_t wait_pid = TEMP_FAILURE_RETRY(waitpid(pid, &wstatus, 0));  in WaitPid()
62   if (wait_pid != pid) {  in WaitPid()
66       errx(1, "Unexpected pid from waitpid(): expected %d, returned %d", pid, wait_pid);  in WaitPid()
87   pid_t pid;  in GetUnwindInfo()  local
88   if ((pid = fork()) == 0) {  in GetUnwindInfo()
118   } else if (pid == -1) {  in GetUnwindInfo()
121   WaitPid(pid);  in GetUnwindInfo()
132   if ((pid = fork()) == 0) {  in GetUnwindInfo()
163   } else if (pid == -1) {  in GetUnwindInfo()
166   WaitPid(pid);  in GetUnwindInfo()