waitpid_options   233 ext/standard/proc_open.c 	int waitpid_options = 0;
waitpid_options   260 ext/standard/proc_open.c 		waitpid_options = WNOHANG;
waitpid_options   263 ext/standard/proc_open.c 		wait_pid = waitpid(proc->child, &wstatus, waitpid_options);