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Constify long options
Remove useless call to sigemptyset
properly check errno when waiting for a process status when a SIGCHLD is received
This commit is contained in:
Baptiste Daroussin 2014-07-16 11:41:28 +00:00
parent a2072d9e0f
commit 86b0545ed1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=268750
1 changed files with 8 additions and 12 deletions
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20
usr.bin/timeout/timeout.c
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@ -28,20 +28,18 @@
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <err.h>
#include <errno.h>
#include <getopt.h>
#include <signal.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <sysexits.h>
#include <unistd.h>
#include <getopt.h>
#include <err.h>
#include <spawn.h>
#include <errno.h>
#include <stdbool.h>
#define EXIT_TIMEOUT 124
@ -188,7 +186,7 @@ main(int argc, char **argv)
cpid = -1;
pgid = -1;
struct option longopts[] = {
const struct option longopts[] = {
{ "preserve-status", no_argument, &preserve, 1 },
{ "foreground", no_argument, &foreground, 1 },
{ "kill-after", required_argument, NULL, 'k'},
@ -271,15 +269,13 @@ main(int argc, char **argv)
/* parent continues here */
set_interval(first_kill);
sigemptyset(&signals.sa_mask);
for (;;) {
sigemptyset(&signals.sa_mask);
sigsuspend(&signals.sa_mask);
if (sig_chld) {
sig_chld = 0;
while (((cpid = wait(&status)) < 0) && errno != EINTR)
while (((cpid = wait(&status)) < 0) && errno == EINTR)
continue;
if (cpid == pid) {