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tests: support testing fd inheritance over exec

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Add facility for testing how (many) file descriptors survive an exec.
This allows implementing O_CLOEXEC tests.

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
This commit is contained in:
Pekka Paalanen 2012-04-20 14:22:51 +03:00
parent 7c0aa1a4a3
commit da6b1a8e47
5 changed files with 124 additions and 4 deletions
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22
tests/sanity-test.c
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@ -93,3 +93,25 @@ FAIL_TEST(sanity_fd_leak)
/* leak 2 file descriptors */
pipe(fd);
}
FAIL_TEST(sanity_fd_leak_exec)
{
int fd[2];
int nr_fds = count_open_fds();
/* leak 2 file descriptors */
pipe(fd);
exec_fd_leak_check(nr_fds);
}
TEST(sanity_fd_exec)
{
int fd[2];
int nr_fds = count_open_fds();
/* create 2 file descriptors, that should pass over exec */
pipe(fd);
exec_fd_leak_check(nr_fds + 2);
}