aniani/icecast-server
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Update: Improved pidfile error handling

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This commit is contained in:
Philipp Schafft 2018-06-16 12:46:58 +00:00
parent 23cc8a9646
commit a2763ac9e4
1 changed files with 53 additions and 11 deletions
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64
src/main.c
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@ -324,6 +324,58 @@ static int _start_listening(void)
return 1;
}
static void pidfile_update(ice_config_t *config, int always_try)
{
char *newpidfile = NULL;
if (config->pidfile) {
FILE *f;
/* check if the file actually changed */
if (pidfile && strcmp(pidfile, config->pidfile) == 0)
return;
ICECAST_LOG_DEBUG("New pidfile on %H", config->pidfile);
if (!always_try) {
if (config->chuid) {
ICECAST_LOG_ERROR("Can not write new pidfile, changeowner in effect.");
return;
}
if (config->chroot) {
ICECAST_LOG_ERROR("Can not write new pidfile, chroot in effect.");
return;
}
}
newpidfile = strdup(config->pidfile);
if (!newpidfile) {
ICECAST_LOG_ERROR("Can not allocate memory for pidfile filename. BAD.");
return;
}
f = fopen(newpidfile, "w");
if (!f) {
free(newpidfile);
ICECAST_LOG_ERROR("Can not open new pidfile for writing.");
return;
}
fprintf(f, "%lld\n", (long long int)getpid());
fclose(f);
ICECAST_LOG_INFO("pidfile %H updated.");
}
if (newpidfile != pidfile) {
if (pidfile)
remove(pidfile);
free(pidfile);
pidfile = newpidfile;
}
}
/* bind the socket and start listening */
static int _server_proc_init(void)
{
@ -337,17 +389,7 @@ static int _server_proc_init(void)
return 0;
}
/* recreate the pid file */
if (config->pidfile)
{
FILE *f;
pidfile = strdup (config->pidfile);
if (pidfile && (f = fopen (config->pidfile, "w")) != NULL)
{
fprintf (f, "%d\n", (int)getpid());
fclose (f);
}
}
pidfile_update(config, 1);
return 1;
}