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authorOleg Deribas <oderibas+git@gmail.com>2014-02-14 14:41:37 (UTC)
committer Oleg Deribas <oderibas+git@gmail.com>2014-02-14 14:41:37 (UTC)
commit4e64ab71bf43406f41d0a048f5a7a041b4cd798d (patch) (side-by-side diff)
tree0273b4bd9773f38b4eb40e5841dd86cb99ca219d
parentf924f4f199f289a18b642de632ec69558f3af3f9 (diff)
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Add command line option to daemonize iiid process
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--src/iiid.cc46
1 files changed, 44 insertions, 2 deletions
diff --git a/src/iiid.cc b/src/iiid.cc
index b3dd3bf..bd65001 100644
--- a/src/iiid.cc
+++ b/src/iiid.cc
@@ -21,2 +21,3 @@ int main(int argc,char **argv) try {
int port = 59278;
+ bool daemon_mode = false;
@@ -29,5 +30,6 @@ int main(int argc,char **argv) try {
{ "port", required_argument, 0, 'p' },
+ { "daemon", no_argument, 0, 'd' },
{ NULL, 0, 0, 0 }
};
- int c = getopt_long(argc,argv,"hVLp:",opts,NULL);
+ int c = getopt_long(argc,argv,"hVLp:d",opts,NULL);
if(c==-1) break;
@@ -44,2 +46,3 @@ int main(int argc,char **argv) try {
" (you're not likely to ever need it)\n"
+ " -d, --daemon run as daemon\n"
<< std::endl << std::endl;
@@ -63,2 +66,5 @@ int main(int argc,char **argv) try {
break;
+ case 'd':
+ daemon_mode = true;
+ break;
default:
@@ -76,3 +82,3 @@ int main(int argc,char **argv) try {
openlog(ident,LOG_PERROR|LOG_PID,LOG_DAEMON);
- syslog(LOG_INFO,"Starting iii eye-fi manager");
+ syslog(LOG_INFO,"Starting iii eye-fi manager on port %d", port);
@@ -87,2 +93,38 @@ int main(int argc,char **argv) try {
+ if(daemon_mode) {
+ pid_t pid, sid;
+
+ /* Fork off the parent process */
+ pid = fork();
+ if (pid < 0) {
+ exit(EXIT_FAILURE);
+ }
+ /* If we got a good PID, then
+ we can exit the parent process. */
+ if (pid > 0) {
+ exit(EXIT_SUCCESS);
+ }
+
+ /* Change the file mode mask */
+ umask(0);
+
+ /* Create a new SID for the child process */
+ sid = setsid();
+ if (sid < 0) {
+ syslog(LOG_ERR, "Error creating a new SID for the child process");
+ exit(EXIT_FAILURE);
+ }
+
+ /* Change the current working directory */
+ if ((chdir("/")) < 0) {
+ syslog(LOG_ERR, "Error changing current working directory to /");
+ exit(EXIT_FAILURE);
+ }
+
+ /* Close out the standard file descriptors */
+ close(STDIN_FILENO);
+ close(STDOUT_FILENO);
+ close(STDERR_FILENO);
+ }
+
eyefiworker().run(port);