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fix getsockopt

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This commit is contained in:
Vitah Lin 2026-04-27 10:19:59 +08:00
parent fb12864301
commit e0df683549
1 changed files with 7 additions and 6 deletions
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13
deps/hiredis/net.c vendored
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@ -69,14 +69,15 @@ ssize_t redisNetRead(redisContext *c, char *buf, size_t bufcap) {
* SO_ERROR) that is causing epoll to raise EPOLLERR in a
* level-triggered fashion. Returning 0 here without consuming
* that error would make epoll_wait fire again immediately,
* busy-looping the event loop at ~100% CPU (see
* redis/redis#9956). Peek at SO_ERROR so the caller can tear
* the dead connection down. */
* busy-looping the event loop at ~100% CPU (see redis/redis#9956).
* Peek at SO_ERROR so the caller can tear the dead connection down. */
int so_error = 0;
socklen_t errlen = sizeof(so_error);
if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, &so_error, &errlen) == 0 &&
so_error != 0)
{
if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, &so_error, &errlen) == -1) {
__redisSetError(c, REDIS_ERR_IO, strerror(errno));
return -1;
}
if (so_error != 0) {
errno = so_error;
__redisSetError(c, REDIS_ERR_IO, strerror(errno));
return -1;