Mercurial > hg > nginx
view src/os/unix/ngx_file.c @ 5:62b1a364857c
nginx-0.0.1-2002-08-23-20:14:30 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Fri, 23 Aug 2002 16:14:30 +0000 |
parents | |
children | 669801705ab1 |
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ssize_t ngx_read_file(ngx_file_t file, char *buf, size_t size) { read(); } #if 0 ssize_t ngx_read_file(ngx_file_t *file, char *buf, size_t size, off_t offset) { if (!file->read->ready) { ngx_memzero(&file->iocb, sizeof(iocb)); file->iocb.aio_fildes = file->fd; file->iocb.aio_buf = buf; file->iocb.aio_nbytes = size; file->iocb.aio_offset = offset; #if (USE_AIO_KQUEUE) file->iocb.aio_sigevent.sigev_notify = SIGEV_KEVENT; file->iocb.aio_sigevent.sigev_notify_kqueue = tid->kq; file->iocb.aio_sigevent.sigev_value = (union sigval) file; #endif #if (USE_AIO_SIGNAL) file->iocb.aio_sigevent.sigev_notify = SIGEV_SIGNAL; file->iocb.aio_sigevent.sigev_signo = NGX_SIGAIO; #ifndef __FreeBSD__ file->iocb.aio_sigevent.sigev_value.sival_ptr = file; #endif #endif if (aio_read(&file->iocb) == -1) { ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno, "aio_read() failed"); return NGX_ERROR; n = aio_error(&file->iocb); if (n == EINPROGRESS) return NGX_AGAIN; if (n == -1) { ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno, "aio_read() failed"); return NGX_ERROR; } } ngx_assert(file->iocb.aio_buf == buf), return NGX_ERROR, "ngx_aio_read_file: another buffer is passed"); n = aio_return(&file->iocb); if (n == -1) { ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno, "aio_read() failed"); return NGX_ERROR; } return n; } #endif