nginx-0.0.1-2002-09-02-18:48:24 import
diff --git a/src/os/unix/ngx_files.c b/src/os/unix/ngx_files.c
new file mode 100644
index 0000000..a3dc36d
--- /dev/null
+++ b/src/os/unix/ngx_files.c
@@ -0,0 +1,72 @@
+
+#include <ngx_core.h>
+#include <ngx_file.h>
+
+ssize_t ngx_read_file(ngx_file_t *file, char *buf, size_t size, off_t offset)
+{
+ ssize_t n;
+
+ ngx_log_debug(file->log, "read: %x, %d, %qd" _ buf _ size _ offset);
+
+ n = pread(file->fd, buf, size, offset);
+
+ if (n == NGX_ERROR)
+ ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno, "read() failed");
+
+ return n;
+}
+
+#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
