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test: test O_CLOEXEC filtering of fdset fill logic

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This commit is contained in:
Lennart Poettering
2023-05-23 18:39:53 +02:00
parent 42dc1cd468
commit d7aee3f41f
1 changed files with 38 additions and 2 deletions
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40
src/test/test-fdset.c
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@@ -13,12 +13,48 @@
TEST(fdset_new_fill) {
int fd = -EBADF;
_cleanup_fdset_free_ FDSet *fdset = NULL;
_cleanup_(unlink_tempfilep) char name[] = "/tmp/test-fdset_new_fill.XXXXXX";
fd = mkostemp_safe(name);
log_close();
log_set_open_when_needed(true);
fd = open("/dev/null", O_CLOEXEC|O_RDONLY);
assert_se(fd >= 0);
assert_se(fdset_new_fill(/* filter_cloexec= */ -1, &fdset) >= 0);
assert_se(fdset_contains(fdset, fd));
fdset = fdset_free(fdset);
assert_se(fcntl(fd, F_GETFD) < 0);
assert_se(errno == EBADF);
fd = open("/dev/null", O_CLOEXEC|O_RDONLY);
assert_se(fd >= 0);
assert_se(fdset_new_fill(/* filter_cloexec= */ 0, &fdset) >= 0);
assert_se(!fdset_contains(fdset, fd));
fdset = fdset_free(fdset);
assert_se(fcntl(fd, F_GETFD) >= 0);
assert_se(fdset_new_fill(/* filter_cloexec= */ 1, &fdset) >= 0);
assert_se(fdset_contains(fdset, fd));
fdset = fdset_free(fdset);
assert_se(fcntl(fd, F_GETFD) < 0);
assert_se(errno == EBADF);
fd = open("/dev/null", O_RDONLY);
assert_se(fd >= 0);
assert_se(fdset_new_fill(/* filter_cloexec= */ 1, &fdset) >= 0);
assert_se(!fdset_contains(fdset, fd));
fdset = fdset_free(fdset);
assert_se(fcntl(fd, F_GETFD) >= 0);
assert_se(fdset_new_fill(/* filter_cloexec= */ 0, &fdset) >= 0);
assert_se(fdset_contains(fdset, fd));
fdset = fdset_free(fdset);
assert_se(fcntl(fd, F_GETFD) < 0);
assert_se(errno == EBADF);
log_open();
}
TEST(fdset_put_dup) {