3 * Copyright (C) Igor Sysoev
7 #include <ngx_config.h>
15 ngx_udp_unix_recv(ngx_connection_t *c, u_char *buf, size_t size)
24 n = recv(c->fd, buf, size, 0);
26 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
27 "recv: fd:%d %d of %d", c->fd, n, size);
30 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
34 * rev->available may be negative here because some additional
35 * bytes may be received between kevent() and recv()
38 if (rev->available <= 0) {
47 err = ngx_socket_errno;
49 if (err == NGX_EAGAIN || err == NGX_EINTR) {
50 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
55 n = ngx_connection_error(c, err, "recv() failed");
59 } while (err == NGX_EINTR);
70 #else /* ! NGX_HAVE_KQUEUE */
73 ngx_udp_unix_recv(ngx_connection_t *c, u_char *buf, size_t size)
82 n = recv(c->fd, buf, size, 0);
84 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
85 "recv: fd:%d %d of %d", c->fd, n, size);
91 err = ngx_socket_errno;
93 if (err == NGX_EAGAIN || err == NGX_EINTR) {
94 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
99 n = ngx_connection_error(c, err, "recv() failed");
103 } while (err == NGX_EINTR);
114 #endif /* NGX_HAVE_KQUEUE */