3 * Copyright (C) Igor Sysoev
4 * Copyright (C) Nginx, Inc.
8 #include <ngx_config.h>
10 #include <ngx_event.h>
14 ngx_udp_unix_recv(ngx_connection_t *c, u_char *buf, size_t size)
23 n = recv(c->fd, buf, size, 0);
25 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
26 "recv: fd:%d %z of %uz", c->fd, n, size);
32 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
36 * rev->available may be negative here because some additional
37 * bytes may be received between kevent() and recv()
40 if (rev->available <= 0) {
51 err = ngx_socket_errno;
53 if (err == NGX_EAGAIN || err == NGX_EINTR) {
54 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
59 n = ngx_connection_error(c, err, "recv() failed");
63 } while (err == NGX_EINTR);