Mercurial > mbsePi-apps / file comparison
comparison: brewco/lock.c
brewco/lock.c
- changeset 465
- 3aac3276689d
- parent 434
- eb724767860d
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| 464:4a624c071ca9 | 465:3aac3276689d |
|---|---|
| 21 *****************************************************************************/ | 21 *****************************************************************************/ |
| 22 | 22 |
| 23 #include "lock.h" | 23 #include "lock.h" |
| 24 #include "brewco.h" | 24 #include "brewco.h" |
| 25 | 25 |
| 26 extern char *varpath; | |
| 27 | |
| 28 | |
| 26 /* | 29 /* |
| 27 * Put a lock on this program. | 30 * Put a lock on this program. |
| 28 */ | 31 */ |
| 29 int lockprog(char *name) | 32 int lockprog(char *name) |
| 30 { | 33 { |
| 33 pid_t oldpid; | 36 pid_t oldpid; |
| 34 | 37 |
| 35 tempfile = calloc(PATH_MAX, sizeof(char)); | 38 tempfile = calloc(PATH_MAX, sizeof(char)); |
| 36 lockfile = calloc(PATH_MAX, sizeof(char)); | 39 lockfile = calloc(PATH_MAX, sizeof(char)); |
| 37 | 40 |
| 38 snprintf(tempfile, PATH_MAX, "/var/run/%s.tmp", name); | 41 snprintf(tempfile, PATH_MAX, "%s%s.tmp", varpath, name); |
| 39 snprintf(lockfile, PATH_MAX, "/var/run/%s.pid", name); | 42 snprintf(lockfile, PATH_MAX, "%s%s.pid", varpath, name); |
| 40 | 43 |
| 41 if ((fp = fopen(tempfile, "w")) == NULL) { | 44 if ((fp = fopen(tempfile, "w")) == NULL) { |
| 42 perror(name); | 45 perror(name); |
| 43 printf("Can't create lockfile \"%s\"\n", tempfile); | 46 printf("Can't create lockfile \"%s\"\n", tempfile); |
| 44 free(tempfile); | 47 free(tempfile); |
| 103 char *lockfile; | 106 char *lockfile; |
| 104 pid_t oldpid; | 107 pid_t oldpid; |
| 105 FILE *fp; | 108 FILE *fp; |
| 106 | 109 |
| 107 lockfile = calloc(PATH_MAX, sizeof(char)); | 110 lockfile = calloc(PATH_MAX, sizeof(char)); |
| 108 snprintf(lockfile, PATH_MAX, "/var/run/%s.pid", name); | 111 snprintf(lockfile, PATH_MAX, "%s%s.pid", varpath, name); |
| 109 | 112 |
| 110 if ((fp = fopen(lockfile, "r")) == NULL) { | 113 if ((fp = fopen(lockfile, "r")) == NULL) { |
| 111 syslog(LOG_NOTICE, "Can't open lockfile \"%s\"", lockfile); | 114 syslog(LOG_NOTICE, "Can't open lockfile \"%s\"", lockfile); |
| 112 free(lockfile); | 115 free(lockfile); |
| 113 return; | 116 return; |
