X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/75e2f3fddb560b88552a93ca37d8049278665b2c..f9af1bc563cd2ead96ac6b5e4a22ae095f3d63f3:/sbr/pidwait.c diff --git a/sbr/pidwait.c b/sbr/pidwait.c index 1572bfe4..8ccc6891 100644 --- a/sbr/pidwait.c +++ b/sbr/pidwait.c @@ -1,34 +1,20 @@ - -/* - * pidwait.c -- wait for child to exit - * - * $Id$ +/* pidwait.c -- wait for child to exit * * This code is Copyright (c) 2002, by the authors of nmh. See the * COPYRIGHT file in the root directory of the nmh distribution for * complete copyright information. */ -#include -#include -#include -#include - -#ifdef HAVE_SYS_WAIT_H -# include -#endif +#include "h/mh.h" +#include "h/signals.h" int pidwait (pid_t id, int sigsok) { pid_t pid; - SIGNAL_HANDLER istat, qstat; + SIGNAL_HANDLER istat = NULL, qstat = NULL; -#ifdef WAITINT int status; -#else - union wait status; -#endif if (sigsok == -1) { /* ignore a couple of signals */ @@ -36,13 +22,8 @@ pidwait (pid_t id, int sigsok) qstat = SIGNAL (SIGQUIT, SIG_IGN); } -#ifdef HAVE_WAITPID while ((pid = waitpid(id, &status, 0)) == -1 && errno == EINTR) ; -#else - while ((pid = wait(&status)) != -1 && pid != id) - continue; -#endif if (sigsok == -1) { /* reset the signal handlers */ @@ -50,9 +31,5 @@ pidwait (pid_t id, int sigsok) SIGNAL (SIGQUIT, qstat); } -#ifdef WAITINT - return (pid == -1 ? -1 : status); -#else - return (pid == -1 ? -1 : status.w_status); -#endif + return pid == -1 ? -1 : status; }