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Made pid_file an optional config parameter. 

git-svn-id: https://svn.musicpd.org/mpd/trunk@4250 09075e82-0dd4-0310-85a5-a0d7c8717e4f
This commit is contained in:
J. Alexander Treuman 2006-06-05 20:05:24 +00:00
parent ffd580dd19
commit 9b06d2cd4a
3 changed files with 31 additions and 19 deletions
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3
doc/mpd.1
View File

@ -22,7 +22,8 @@ Read more about MPD at <\fBhttp://www.musicpd.org/\fP>.
Output a brief help message.
.TP
.BI --kill
Kill the currently running mpd session.
Kill the currently running mpd session. The pid_file parameter must be
specified in the config file for this to work.
.TP
.BI --create-db
Force (re)creation of database and exit.

2
doc/mpd.conf.5
View File

@ -43,10 +43,10 @@ This specifies where the log file should be located.
.TP
.B error_file <file>
This specifies where the error file should be located.
.SH OPTIONAL PARAMETERS
.TP
.B pid_file <file>
This specifies the file to save mpd's process ID in.
.SH OPTIONAL PARAMETERS
.TP
.B state_file <file>
This specifies if a state file is used and where it is located. The state of

45
src/main.c
View File

@ -372,18 +372,20 @@ void startMainProcess() {
}
void daemonize(Options * options) {
FILE * fp;
ConfigParam * pidFileParam = parseConfigFilePath(CONF_PID_FILE, 1);
FILE * fp = NULL;
ConfigParam * pidFileParam = parseConfigFilePath(CONF_PID_FILE, 0);
/* do this before daemon'izing so we can fail gracefully if we can't
* write to the pid file */
DEBUG("opening pid file\n");
fp = fopen(pidFileParam->value, "w+");
if(!fp) {
ERROR("could not open %s \"%s\" (at line %i) for writing: %s\n",
CONF_PID_FILE, pidFileParam->value,
pidFileParam->line, strerror(errno));
exit(EXIT_FAILURE);
if (pidFileParam) {
/* do this before daemon'izing so we can fail gracefully if we can't
* write to the pid file */
DEBUG("opening pid file\n");
fp = fopen(pidFileParam->value, "w+");
if(!fp) {
ERROR("could not open %s \"%s\" (at line %i) for writing: %s\n",
CONF_PID_FILE, pidFileParam->value,
pidFileParam->line, strerror(errno));
exit(EXIT_FAILURE);
}
}
if(options->daemon) {
@ -418,10 +420,12 @@ void daemonize(Options * options) {
DEBUG("daemonized!\n");
}
DEBUG("writing pid file\n");
fprintf(fp, "%lu\n", (unsigned long)getpid());
fclose(fp);
masterPid = getpid();
if (pidFileParam) {
DEBUG("writing pid file\n");
fprintf(fp, "%lu\n", (unsigned long)getpid());
fclose(fp);
masterPid = getpid();
}
}
void setupLogOutput(Options * options, FILE * out, FILE * err) {
@ -461,7 +465,9 @@ void setupLogOutput(Options * options, FILE * out, FILE * err) {
}
void cleanUpPidFile() {
ConfigParam * pidFileParam = parseConfigFilePath(CONF_PID_FILE, 1);
ConfigParam * pidFileParam = parseConfigFilePath(CONF_PID_FILE, 0);
if (!pidFileParam) return;
DEBUG("cleaning up pid file\n");
@ -472,9 +478,14 @@ void killFromPidFile(char * cmd, int killOption) {
/*char buf[32];
struct stat st_cmd;
struct stat st_exe;*/
ConfigParam * pidFileParam = parseConfigFilePath(CONF_PID_FILE, 1);
ConfigParam * pidFileParam = parseConfigFilePath(CONF_PID_FILE, 0);
int pid;
if (!pidFileParam) {
ERROR("no pid_file specified in the config file\n");
exit(EXIT_FAILURE);
}
FILE * fp = fopen(pidFileParam->value,"r");
if(!fp) {
ERROR("unable to open %s \"%s\": %s\n",