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| author | Stefan Metzmacher <metze@samba.org> | 2021-02-17 10:58:29 +0100 |
|---|---|---|
| committer | Andreas Schneider <asn@samba.org> | 2021-03-15 08:04:58 +0100 |
| commit | 181a3fa5e4c242d72d311f5baa771c680647eda7 (patch) | |
| tree | 3d2200b8d94d3510c5b7d6cc1ca5caa72be59c6d /tests/test_tcp_dup2.c | |
| parent | ba970e5d32cceb0750eaa71fb83da3e2eef881d5 (diff) | |
| download | socket_wrapper-181a3fa5e4c242d72d311f5baa771c680647eda7.tar.gz socket_wrapper-181a3fa5e4c242d72d311f5baa771c680647eda7.tar.xz socket_wrapper-181a3fa5e4c242d72d311f5baa771c680647eda7.zip | |
swrap: wrap __close_nocancel() if available
While it's no possible to inject swrap__close_nocancel() into
libc.so.6 directly, because it's no weak symbol, it seems to
be possible to inject it to other glibc libraries like
libpthread.so.0, which is better than nothing.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14640
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Diffstat (limited to 'tests/test_tcp_dup2.c')
| -rw-r--r-- | tests/test_tcp_dup2.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/tests/test_tcp_dup2.c b/tests/test_tcp_dup2.c index fd6adc2..238b9a8 100644 --- a/tests/test_tcp_dup2.c +++ b/tests/test_tcp_dup2.c @@ -2,6 +2,11 @@ #include <cmocka.h> #include <unistd.h> +#include <errno.h> + +#ifdef HAVE___CLOSE_NOCANCEL +extern int __close_nocancel(int fd); +#endif static int setup(void **state) { @@ -20,6 +25,7 @@ static int teardown(void **state) static void test_dup2_existing_open_fd(void **state) { int s, dup_s; + int rc; (void) state; /* unused */ @@ -34,7 +40,19 @@ static void test_dup2_existing_open_fd(void **state) dup_s = dup2(s, s); assert_int_equal(dup_s, s); - close(s); +#ifdef HAVE___CLOSE_NOCANCEL + rc = __close_nocancel(s); + assert_return_code(rc, errno); + rc = close(s); + assert_int_equal(rc, -1); + assert_int_equal(errno, EBADF); + rc = __close_nocancel(s); + assert_int_equal(rc, -1); + assert_int_equal(errno, EBADF); +#else + rc = close(s); + assert_return_code(rc, errno); +#endif } int main(void) { |