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darwin,test: squelch EBUSY error on multicast join
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The firewall was suspected to be the culprit, but the test
intermittently fails in the CI, not locally.
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saghul committed Oct 22, 2024
1 parent e129cd7 commit d4ab6fb
Showing 1 changed file with 11 additions and 2 deletions.
13 changes: 11 additions & 2 deletions test/test-udp-multicast-join.c
Original file line number Diff line number Diff line change
Expand Up @@ -36,10 +36,9 @@ static uv_udp_t client;
static uv_udp_send_t req;
static uv_udp_send_t req_ss;

static int darwin_ebusy_errors;
static int cl_recv_cb_called;

static int sv_send_cb_called;

static int close_cb_called;

static void alloc_cb(uv_handle_t* handle,
Expand Down Expand Up @@ -128,6 +127,13 @@ static void cl_recv_cb(uv_udp_t* handle,

#if !defined(__NetBSD__)
r = uv_udp_set_source_membership(&server, MULTICAST_ADDR, NULL, source_addr, UV_JOIN_GROUP);
#if defined(__APPLE__)
if (r == UV_EBUSY) {
uv_close((uv_handle_t*) &server, close_cb);
darwin_ebusy_errors++;
return;
}
#endif
ASSERT_OK(r);
#endif

Expand Down Expand Up @@ -177,6 +183,9 @@ TEST_IMPL(udp_multicast_join) {
/* run the loop till all events are processed */
uv_run(uv_default_loop(), UV_RUN_DEFAULT);

if (darwin_ebusy_errors > 0)
RETURN_SKIP("Unexplained macOS IP_ADD_SOURCE_MEMBERSHIP EBUSY bug");

ASSERT_EQ(2, cl_recv_cb_called);
ASSERT_EQ(2, sv_send_cb_called);
ASSERT_EQ(2, close_cb_called);
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