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unix: suppress -Waddress-of-packed-member warning

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Fixes: https://github.com/libuv/libuv/issues/2418
PR-URL: https://github.com/libuv/libuv/pull/2584
Refs: https://github.com/libuv/libuv/pull/2580
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com>
This commit is contained in:
Ben Noordhuis 2019-12-30 18:25:04 +01:00
parent af45b6ba2f
commit 5cb8860b45
1 changed files with 13 additions and 3 deletions
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16
src/unix/linux-core.c
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@ -359,9 +359,19 @@ void uv__io_poll(uv_loop_t* loop, int timeout) {
have_signals = 0;
nevents = 0;
assert(loop->watchers != NULL);
loop->watchers[loop->nwatchers] = (void*) events;
loop->watchers[loop->nwatchers + 1] = (void*) (uintptr_t) nfds;
{
/* Squelch a -Waddress-of-packed-member warning with gcc >= 9. */
union {
struct epoll_event* events;
uv__io_t* watchers;
} x;
x.events = events;
assert(loop->watchers != NULL);
loop->watchers[loop->nwatchers] = x.watchers;
loop->watchers[loop->nwatchers + 1] = (void*) (uintptr_t) nfds;
}
for (i = 0; i < nfds; i++) {
pe = events + i;
fd = pe->data.fd;