mdw@git.distorted.org.uk Git - qmail/blob - lock_exnb.c

   1 #include <sys/types.h>
   2 #include <sys/file.h>
   3 #include <fcntl.h>
   4 #include "hasflock.h"
   5 #include "lock.h"
   6
   7 #ifdef HASFLOCK
   8 int lock_exnb(fd) int fd; { return flock(fd,LOCK_EX | LOCK_NB); }
   9 #else
  10 int lock_exnb(fd) int fd; { return lockf(fd,2,0); }
  11 #endif