rb_waitpid        156 ext/pty/pty.c  	cpid = rb_waitpid(info->child_pid, &status, WUNTRACED);
rb_waitpid        498 include/ruby/intern.h rb_pid_t rb_waitpid(rb_pid_t pid, int *status, int flags);
rb_waitpid        779 process.c          if ((pid = rb_waitpid(pid, &status, flags)) < 0)
rb_waitpid        856 process.c      	pid = rb_waitpid(-1, &status, 0);
rb_waitpid        897 process.c          while ((cpid = rb_waitpid(pid, &status, 0)) == 0) {
rb_waitpid       2592 process.c      	i = rb_waitpid(pid, &status, 0);