strace/tests/flock.c
Fei Jie b824f9872b tests: add flock.test
* tests/flock.c: New file.
* tests/flock.test: New test.
* tests/.gitignore: Add flock.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(TESTS): Add flock.test.
2016-03-15 08:38:34 +00:00

29 lines
477 B
C

#include "tests.h"
#include <sys/syscall.h>
#ifdef __NR_flock
# include <errno.h>
# include <sys/file.h>
# include <stdio.h>
# include <unistd.h>
int
main(void)
{
const unsigned long fd = (long int) 0xdeadbeefffffffff;
int rc = syscall(__NR_flock, fd, LOCK_SH);
printf("flock(%d, LOCK_SH) = %d %s (%m)\n",
(int) fd, rc,
errno == ENOSYS ? "ENOSYS" : "EBADF");
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_flock")
#endif