-/*
- * make sure only one copy of sendcommand runs at a time, using lock files
- */
-int set_lockfile(void)
-{
- FILE *lfp;
- int onppid;
- int rv;
-
- if ((lfp = fopen(LOCKFILE, "r")) != NULL) {
- rv = fscanf(lfp, "%d", &onppid);
- fclose(lfp);
- if (!kill(onppid, 0) || errno == EPERM)
- return 1;
- }
- lfp = fopen(LOCKFILE, "w");
- fprintf(lfp, "%ld\n", (long) getpid());
- fclose(lfp);
- return (0);
-}
-
-void remove_lockfile(void)
-{
- unlink(LOCKFILE);
-}
-