src/download-provider-pid.c

   1 #include <unistd.h>
   2 #include <fcntl.h>
   3
   4 int lock_download_provider_pid(char *path)
   5 {
   6         int lockfd = 0;
   7         if ((lockfd = open(path, O_WRONLY | O_CREAT, (0666 & (~000)))) < 0) {
   8                 return -1;
   9         } else if (lockf(lockfd, F_TLOCK, 0) < 0) {
  10                 close(lockfd);
  11                 return -1;
  12         }
  13         return 0;
  14 }