chiark / gitweb /
Merge branches 'idx/verh' and 'idx/qmqpc'
[qmail] / tryflock.c
CommitLineData
2117e02e
MW
1#include <sys/types.h>
2#include <sys/file.h>
3#include <fcntl.h>
4
5void main()
6{
7 flock(0,LOCK_EX | LOCK_UN | LOCK_NB);
8}