pid_t read_pid (char *pidfile)
{
FILE *f;
- long pid;
+ long pid = 0;
if (!(f=fopen(pidfile,"r")))
return 0;
int fd;
pid_t pid;
- if ( ((fd = open(pidfile, O_RDWR|O_CREAT, 0644)) == -1)
- || ((f = fdopen(fd, "r+")) == NULL) ) {
+ if ((fd = open(pidfile, O_RDWR|O_CREAT, 0644)) == -1) {
+ return 0;
+ }
+
+ if ((f = fdopen(fd, "r+")) == NULL) {
+ close(fd);
return 0;
}
pid = getpid();
if (!fprintf(f,"%ld\n", (long)pid)) {
- close(fd);
+ fclose(f);
return 0;
}
fflush(f);
#ifdef HAVE_FLOCK
if (flock(fd, LOCK_UN) == -1) {
- close(fd);
+ fclose(f);
return 0;
}
#endif
- close(fd);
+ fclose(f);
return pid;
}