blob: d6e20089e9d039357df6c5c64dadfbb505b58b9d [file] [log] [blame]
Fei Jieb824f982016-03-15 16:38:34 +08001#include "tests.h"
2#include <sys/syscall.h>
3
4#ifdef __NR_flock
5
Fei Jieb824f982016-03-15 16:38:34 +08006# include <stdio.h>
Dmitry V. Levinca24b942016-04-21 20:46:15 +00007# include <sys/file.h>
Fei Jieb824f982016-03-15 16:38:34 +08008# include <unistd.h>
9
10int
11main(void)
12{
13 const unsigned long fd = (long int) 0xdeadbeefffffffff;
Dmitry V. Levinca24b942016-04-21 20:46:15 +000014
15 long rc = syscall(__NR_flock, fd, LOCK_SH);
16 printf("flock(%d, LOCK_SH) = %ld %s (%m)\n",
17 (int) fd, rc, errno2name());
Fei Jieb824f982016-03-15 16:38:34 +080018
19 puts("+++ exited with 0 +++");
20 return 0;
21}
22
23#else
24
25SKIP_MAIN_UNDEFINED("__NR_flock")
26
27#endif