Revision 13fd9e7e
Added stop command and fixed pid file deletion
| mainbox/util.c | ||
|---|---|---|
| 20 | 20 |
|
| 21 | 21 |
fd = open(filename, O_RDONLY); |
| 22 | 22 |
if (fd < 0) {
|
| 23 |
log_perror("open");
|
|
| 23 |
log_perror(filename);
|
|
| 24 | 24 |
return NULL; |
| 25 | 25 |
} |
| 26 | 26 |
|
| ... | ... | |
| 57 | 57 |
/* |
| 58 | 58 |
* create_pid_file |
| 59 | 59 |
* |
| 60 |
* Creates /var/run/tooltron.pid containing the PID of the current process. |
|
| 61 |
* Returns 0 if successful, or nonzero if there is an error or it already |
|
| 62 |
* exists. |
|
| 60 |
* Creates PIDFILE containing the PID of the current process. Returns 0 if |
|
| 61 |
* successful, or nonzero if there is an error or it already exists. |
|
| 63 | 62 |
*/ |
| 64 | 63 |
int create_pid_file() {
|
| 65 | 64 |
int fd; |
| 66 | 65 |
FILE *file; |
| 67 | 66 |
|
| 68 |
fd = open("/var/run/tooltron.pid", O_CREAT | O_EXCL | O_WRONLY, 0644);
|
|
| 67 |
fd = open(PIDFILE, O_CREAT | O_EXCL | O_WRONLY, 0644);
|
|
| 69 | 68 |
if (fd < 0) {
|
| 70 | 69 |
if (errno == EEXIST) |
| 71 | 70 |
fprintf(stderr, "ERROR: tooltron is already running, or the pidfile " |
| 72 |
"/var/run/tooltron.pid is stale");
|
|
| 71 |
PIDFILE "is stale");
|
|
| 73 | 72 |
else |
| 74 |
log_perror("open");
|
|
| 73 |
log_perror(PIDFILE);
|
|
| 75 | 74 |
return 1; |
| 76 | 75 |
} |
| 77 | 76 |
|
| ... | ... | |
| 90 | 89 |
/* |
| 91 | 90 |
* remove_pid_file |
| 92 | 91 |
* |
| 93 |
* Removes /var/run/tooltron.pid.
|
|
| 92 |
* Removes PIDFILE.
|
|
| 94 | 93 |
*/ |
| 95 | 94 |
void remove_pid_file() {
|
| 96 |
if (unlink("/var/run/tooltron.pid"))
|
|
| 97 |
log_perror("unlink");
|
|
| 95 |
if (unlink(PIDFILE))
|
|
| 96 |
log_perror(PIDFILE);
|
|
| 98 | 97 |
} |
| 99 | 98 |
|
| 100 | 99 |
/* |
| 101 | 100 |
* read_pid_file |
| 102 | 101 |
* |
| 103 |
* Returns the integer found in /var/run/tooltron.pid, or 0 if there was an
|
|
| 102 |
* Returns the integer found in PIDFILE, or 0 if there was an
|
|
| 104 | 103 |
* error. |
| 105 | 104 |
*/ |
| 106 | 105 |
pid_t read_pid_file() {
|
| 107 | 106 |
FILE *file; |
| 108 | 107 |
int pid; |
| 109 | 108 |
|
| 110 |
file = fopen("/var/run/tooltron.pid", "r");
|
|
| 109 |
file = fopen(PIDFILE, "r");
|
|
| 111 | 110 |
if (!file) {
|
| 112 | 111 |
if (errno == ENOENT) |
| 113 | 112 |
fprintf(stderr, "ERROR: tooltron does not appear to be running\n"); |
| 114 | 113 |
else |
| 115 |
perror("fopen");
|
|
| 114 |
perror(PIDFILE);
|
|
| 116 | 115 |
return 0; |
| 117 | 116 |
} |
| 118 | 117 |
|
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