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Remove pid fron cron serives, reap children in signal handler
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
This commit is contained in:
parent
a191a7cc18
commit
e171f88865
4 changed files with 9 additions and 16 deletions
18
crond/main.c
18
crond/main.c
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@ -79,6 +79,8 @@ static void runjobs(void)
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static void sighandler(int signo)
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{
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pid_t pid;
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switch (signo) {
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case SIGINT:
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case SIGTERM:
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@ -87,6 +89,10 @@ static void sighandler(int signo)
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case SIGHUP:
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rescan = 1;
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break;
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case SIGCHLD:
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while ((pid = waitpid(-1, NULL, WNOHANG)) != -1)
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;
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break;
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}
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}
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@ -94,15 +100,14 @@ int main(void)
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{
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struct timespec stime;
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struct sigaction act;
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crontab_t *t;
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int timeout;
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pid_t pid;
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memset(&act, 0, sizeof(act));
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act.sa_handler = sighandler;
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sigaction(SIGINT, &act, NULL);
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sigaction(SIGTERM, &act, NULL);
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sigaction(SIGHUP, &act, NULL);
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sigaction(SIGCHLD, &act, NULL);
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while (run) {
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if (rescan == 1) {
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@ -124,15 +129,6 @@ int main(void)
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break;
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}
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}
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while ((pid = waitpid(-1, NULL, WNOHANG)) != -1) {
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for (t = jobs; t != NULL; t = t->next) {
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if (t->pid == pid) {
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t->pid = -1;
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break;
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}
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}
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}
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}
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return EXIT_SUCCESS;
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@ -33,10 +33,8 @@ int runjob(crontab_t *tab)
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return -1;
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}
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if (pid != 0) {
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tab->pid = pid;
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if (pid != 0)
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return 0;
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}
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/* XXX: inside the child process */
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memset(&act, 0, sizeof(act));
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@ -44,6 +42,7 @@ int runjob(crontab_t *tab)
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sigaction(SIGINT, &act, NULL);
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sigaction(SIGTERM, &act, NULL);
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sigaction(SIGHUP, &act, NULL);
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sigaction(SIGCHLD, &act, NULL);
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if (setup_tty(tab->ctty, tab->tty_truncate))
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exit(EXIT_FAILURE);
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@ -489,7 +489,6 @@ crontab_t *rdcron(int dirfd, const char *filename)
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goto out;
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}
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cron->pid = -1;
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cron->minute = 0xFFFFFFFFFFFFFFFFUL;
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cron->hour = 0xFFFFFFFF;
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cron->dayofmonth = 0xFFFFFFFF;
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@ -32,7 +32,6 @@ typedef struct crontab_t {
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uid_t uid;
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gid_t gid;
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pid_t pid;
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uint64_t minute;
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uint32_t hour;
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