18     ngx_event_t  *rev;  in ngx_unix_recv()  local
20     rev = c->read;  in ngx_unix_recv()
27                        rev->pending_eof, rev->available, rev->kq_errno);  in ngx_unix_recv()
29         if (rev->available == 0) {  in ngx_unix_recv()
30             if (rev->pending_eof) {  in ngx_unix_recv()
31                 rev->ready = 0;  in ngx_unix_recv()
32                 rev->eof = 1;  in ngx_unix_recv()
34                 if (rev->kq_errno) {  in ngx_unix_recv()
35                     rev->error = 1;  in ngx_unix_recv()
36                     ngx_set_socket_errno(rev->kq_errno);  in ngx_unix_recv()
38                     return ngx_connection_error(c, rev->kq_errno,  in ngx_unix_recv()
45                 rev->ready = 0;  in ngx_unix_recv()
58                        rev->pending_eof, rev->available);  in ngx_unix_recv()
60         if (rev->available == 0 && !rev->pending_eof) {  in ngx_unix_recv()
61             rev->ready = 0;  in ngx_unix_recv()
75             rev->ready = 0;  in ngx_unix_recv()
76             rev->eof = 1;  in ngx_unix_recv()
86                 rev->available = 0;  in ngx_unix_recv()
99                 rev->available -= n;  in ngx_unix_recv()
106                 if (rev->available <= 0) {  in ngx_unix_recv()
107                     if (!rev->pending_eof) {  in ngx_unix_recv()
108                         rev->ready = 0;  in ngx_unix_recv()
111                     rev->available = 0;  in ngx_unix_recv()
121             if (rev->available >= 0) {  in ngx_unix_recv()
122                 rev->available -= n;  in ngx_unix_recv()
131                 if (rev->available < 0) {  in ngx_unix_recv()
132                     rev->available = 0;  in ngx_unix_recv()
133                     rev->ready = 0;  in ngx_unix_recv()
137                                "recv: avail:%d", rev->available);  in ngx_unix_recv()
141                 if (ngx_socket_nread(c->fd, &rev->available) == -1) {  in ngx_unix_recv()
148                                "recv: avail:%d", rev->available);  in ngx_unix_recv()
159                     if (!rev->pending_eof) {  in ngx_unix_recv()
160                         rev->ready = 0;  in ngx_unix_recv()
163                     rev->available = 0;  in ngx_unix_recv()
174                 rev->ready = 0;  in ngx_unix_recv()
194     rev->ready = 0;  in ngx_unix_recv()
197         rev->error = 1;  in ngx_unix_recv()