scron

simple cron daemon
git clone git://git.2f30.org/scron
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commit e3fc172d26984d7a81ae49942e35452c3ea4329a
parent 38aa3e88d941ca8741e2c5bab05590587a697a5f
Author: sin <sin@2f30.org>
Date:   Wed,  2 Jul 2014 15:15:10 +0100

Only print to syslog if we have daemonized

Diffstat:
Mcrond.c | 32+++++++++++++++++++-------------
1 file changed, 19 insertions(+), 13 deletions(-)

diff --git a/crond.c b/crond.c @@ -60,18 +60,20 @@ parsecolumn(char *col, int y, int x) } if (*endptr != '\0' || *endptr2 != '\0') { + if (dflag == 1) + syslog(LOG_WARNING, "error: %s line %d column %d", config, y+1, x+1); fprintf(stderr, "error: %s line %d column %d\n", config, y+1, x+1); - syslog(LOG_WARNING, "error: %s line %d column %d", config, y+1, x+1); return -1; } /* check if element is valid */ if ((value != -1 && validfield(x, value) == 0) || (value2 != -1 && validfield(x, value2) == 0)) { + if (dflag == 1) + syslog(LOG_WARNING, "error: %s line %d column %d", + config, y+1, x+1); fprintf(stderr, "error: %s line %d column %d\n", config, y+1, x+1); - syslog(LOG_WARNING, "error: %s line %d column %d", - config, y+1, x+1); } t = time(NULL); @@ -107,15 +109,18 @@ runjob(char *cmd) pid = fork(); if (pid < 0) { + if (dflag == 1) + syslog(LOG_WARNING, "error: failed to fork job: %s", cmd); fprintf(stderr, "error: failed to fork job: %s time: %s", cmd, ctime(&t)); - syslog(LOG_WARNING, "error: failed to fork job: %s", cmd); } else if (pid == 0) { printf("run: %s pid: %d time: %s", cmd, getpid(), ctime(&t)); fflush(stdout); - syslog(LOG_INFO, "run: %s pid: %d", cmd, getpid()); + if (dflag == 1) + syslog(LOG_INFO, "run: %s pid: %d", cmd, getpid()); execl("/bin/sh", "/bin/sh", "-c", cmd, (char *)NULL); fprintf(stderr, "error: job failed: %s time: %s\n", cmd, ctime(&t)); - syslog(LOG_WARNING, "error: job failed: %s", cmd); + if (dflag == 1) + syslog(LOG_WARNING, "error: job failed: %s", cmd); _exit(EXIT_FAILURE); } } @@ -134,8 +139,9 @@ waitjob(void) printf("complete: pid %d, return: %d time: %s", pid, WEXITSTATUS(status), ctime(&t)); fflush(stdout); - syslog(LOG_INFO, "complete: pid: %d return: %d", - pid, WEXITSTATUS(status)); + if (dflag == 1) + syslog(LOG_INFO, "complete: pid: %d return: %d", + pid, WEXITSTATUS(status)); } } } @@ -172,16 +178,15 @@ main(int argc, char *argv[]) if (argc > 0) usage(); - openlog(argv[0], LOG_CONS | LOG_PID, LOG_DAEMON); - if ((fp = fopen(config, "r")) == NULL) { fprintf(stderr, "error: cant read %s\n", config); - closelog(); return EXIT_FAILURE; } - if (dflag == 1) + if (dflag == 1) { + openlog(argv[0], LOG_CONS | LOG_PID, LOG_DAEMON); daemon(0, 0); + } while (1) { t = time(NULL); @@ -207,7 +212,8 @@ main(int argc, char *argv[]) } fclose(fp); - closelog(); + if (dflag == 1) + closelog(); return EXIT_SUCCESS; }