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tests: shm_open(2): Verify FD_CLOEXEC

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Motivated by the fact that I'm messing around near the implementation and
wanting to ensure this doesn't get messed up in the process.

MFC after:	1 week
This commit is contained in:
kevans 2019-08-25 02:38:45 +00:00
parent 71cdad48c1
commit 71ab388e98
1 changed files with 22 additions and 0 deletions
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22
tests/sys/posixshm/posixshm_test.c
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@ -609,6 +609,27 @@ ATF_TC_BODY(shm_functionality_across_fork, tc)
shm_unlink(test_path);
}
ATF_TC_WITHOUT_HEAD(cloexec);
ATF_TC_BODY(cloexec, tc)
{
int fd;
gen_test_path();
/* shm_open(2) is required to set FD_CLOEXEC */
fd = shm_open(SHM_ANON, O_RDWR, 0777);
ATF_REQUIRE_MSG(fd >= 0, "shm_open failed; errno=%d", errno);
ATF_REQUIRE((fcntl(fd, F_GETFD) & FD_CLOEXEC) != 0);
close(fd);
/* Also make sure that named shm is correct */
fd = shm_open(test_path, O_CREAT | O_RDWR, 0600);
ATF_REQUIRE_MSG(fd >= 0, "shm_open failed; errno=%d", errno);
ATF_REQUIRE((fcntl(fd, F_GETFD) & FD_CLOEXEC) != 0);
close(fd);
}
ATF_TP_ADD_TCS(tp)
{
@ -630,6 +651,7 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, unlink_bad_path_pointer);
ATF_TP_ADD_TC(tp, unlink_path_too_long);
ATF_TP_ADD_TC(tp, object_resize);
ATF_TP_ADD_TC(tp, cloexec);
return (atf_no_error());
}