Mercurial > hg > nginx
view src/os/unix/ngx_recv.c @ 91:637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 19 May 2003 16:39:14 +0000 |
parents | |
children | 738fe44c70d5 |
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#include <ngx_config.h> #include <ngx_core.h> #include <ngx_errno.h> #include <ngx_log.h> #include <ngx_recv.h> #include <ngx_connection.h> ssize_t ngx_unix_recv(ngx_connection_t *c, char *buf, size_t size) { ssize_t n; ngx_err_t err; ngx_event_t *ev; ev = c->read; #if (HAVE_KQUEUE) /* DEBUG */ if (ngx_event_flags & NGX_HAVE_KQUEUE_EVENT) { ngx_log_debug(c->log, "ngx_recv: eof:%d, avail:%d, err:%d" _ ev->eof _ ev->available _ ev->error); } #endif #if (HAVE_KQUEUE) if ((ngx_event_flags & NGX_HAVE_KQUEUE_EVENT) && ev->eof && ev->available == 0) { if (ev->error == 0) { return 0; } ngx_set_socket_errno(ev->error); err = ev->error; n = -1; } else { n = recv(c->fd, buf, size, 0); ngx_log_debug(c->log, "ngx_recv: read:%d:%d" _ n _ size); if (n == -1) { err = ngx_socket_errno; } } #else /* not kqueue */ n = recv(c->fd, buf, size, 0); if (n == -1) { err = ngx_socket_errno; } #endif if (n == -1) { ev->ready = 0; if (err == NGX_ECONNRESET && ev->ignore_econnreset) { return 0; } if (err == NGX_EAGAIN) { ngx_log_error(NGX_LOG_INFO, c->log, err, "recv() returned EAGAIN"); return NGX_AGAIN; } ngx_log_error(NGX_LOG_ERR, c->log, err, "recv() failed"); return NGX_ERROR; } #if (HAVE_KQUEUE) if (ngx_event_flags & NGX_HAVE_KQUEUE_EVENT) { ev->available -= n; if (ev->available == 0) { ev->ready = 0; } return n; } #endif if ((size_t) n < size) { ev->ready = 0; } return n; }