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-rw-r--r--src/os/unix/ngx_file_aio_read.c42
-rw-r--r--src/os/unix/ngx_files.h1
-rw-r--r--src/os/unix/ngx_freebsd_sendfile_chain.c77
-rw-r--r--src/os/unix/ngx_linux_aio_read.c39
4 files changed, 112 insertions, 47 deletions
diff --git a/src/os/unix/ngx_file_aio_read.c b/src/os/unix/ngx_file_aio_read.c
index 0bb383de5..b11cf8a3d 100644
--- a/src/os/unix/ngx_file_aio_read.c
+++ b/src/os/unix/ngx_file_aio_read.c
@@ -36,6 +36,28 @@ static ssize_t ngx_file_aio_result(ngx_file_t *file, ngx_event_aio_t *aio,
static void ngx_file_aio_event_handler(ngx_event_t *ev);
+ngx_int_t
+ngx_file_aio_init(ngx_file_t *file, ngx_pool_t *pool)
+{
+ ngx_event_aio_t *aio;
+
+ aio = ngx_pcalloc(pool, sizeof(ngx_event_aio_t));
+ if (aio == NULL) {
+ return NGX_ERROR;
+ }
+
+ aio->file = file;
+ aio->fd = file->fd;
+ aio->event.data = aio;
+ aio->event.ready = 1;
+ aio->event.log = file->log;
+
+ file->aio = aio;
+
+ return NGX_OK;
+}
+
+
ssize_t
ngx_file_aio_read(ngx_file_t *file, u_char *buf, size_t size, off_t offset,
ngx_pool_t *pool)
@@ -48,25 +70,11 @@ ngx_file_aio_read(ngx_file_t *file, u_char *buf, size_t size, off_t offset,
return ngx_read_file(file, buf, size, offset);
}
- aio = file->aio;
-
- if (aio == NULL) {
- aio = ngx_pcalloc(pool, sizeof(ngx_event_aio_t));
- if (aio == NULL) {
- return NGX_ERROR;
- }
-
- aio->file = file;
- aio->fd = file->fd;
- aio->event.data = aio;
- aio->event.ready = 1;
- aio->event.log = file->log;
-#if (NGX_HAVE_AIO_SENDFILE)
- aio->last_offset = -1;
-#endif
- file->aio = aio;
+ if (file->aio == NULL && ngx_file_aio_init(file, pool) != NGX_OK) {
+ return NGX_ERROR;
}
+ aio = file->aio;
ev = &aio->event;
if (!ev->ready) {
diff --git a/src/os/unix/ngx_files.h b/src/os/unix/ngx_files.h
index a78ec9613..a046ee756 100644
--- a/src/os/unix/ngx_files.h
+++ b/src/os/unix/ngx_files.h
@@ -375,6 +375,7 @@ size_t ngx_fs_bsize(u_char *name);
#if (NGX_HAVE_FILE_AIO)
+ngx_int_t ngx_file_aio_init(ngx_file_t *file, ngx_pool_t *pool);
ssize_t ngx_file_aio_read(ngx_file_t *file, u_char *buf, size_t size,
off_t offset, ngx_pool_t *pool);
diff --git a/src/os/unix/ngx_freebsd_sendfile_chain.c b/src/os/unix/ngx_freebsd_sendfile_chain.c
index 7199c8654..25790b6b6 100644
--- a/src/os/unix/ngx_freebsd_sendfile_chain.c
+++ b/src/os/unix/ngx_freebsd_sendfile_chain.c
@@ -32,19 +32,23 @@
ngx_chain_t *
ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
{
- int rc, flags;
- off_t send, prev_send, sent;
- size_t file_size;
- ssize_t n;
- ngx_uint_t eintr, eagain;
- ngx_err_t err;
- ngx_buf_t *file;
- ngx_event_t *wev;
- ngx_chain_t *cl;
- ngx_iovec_t header, trailer;
- struct sf_hdtr hdtr;
- struct iovec headers[NGX_IOVS_PREALLOCATE];
- struct iovec trailers[NGX_IOVS_PREALLOCATE];
+ int rc, flags;
+ off_t send, prev_send, sent;
+ size_t file_size;
+ ssize_t n;
+ ngx_uint_t eintr, eagain;
+ ngx_err_t err;
+ ngx_buf_t *file;
+ ngx_event_t *wev;
+ ngx_chain_t *cl;
+ ngx_iovec_t header, trailer;
+ struct sf_hdtr hdtr;
+ struct iovec headers[NGX_IOVS_PREALLOCATE];
+ struct iovec trailers[NGX_IOVS_PREALLOCATE];
+#if (NGX_HAVE_AIO_SENDFILE)
+ ngx_uint_t ebusy;
+ ngx_event_aio_t *aio;
+#endif
wev = c->write;
@@ -73,6 +77,11 @@ ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
eagain = 0;
flags = 0;
+#if (NGX_HAVE_AIO_SENDFILE && NGX_SUPPRESS_WARN)
+ aio = NULL;
+ file = NULL;
+#endif
+
header.iovs = headers;
header.nalloc = NGX_IOVS_PREALLOCATE;
@@ -81,6 +90,9 @@ ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
for ( ;; ) {
eintr = 0;
+#if (NGX_HAVE_AIO_SENDFILE)
+ ebusy = 0;
+#endif
prev_send = send;
/* create the header iovec and coalesce the neighbouring bufs */
@@ -160,7 +172,8 @@ ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
sent = 0;
#if (NGX_HAVE_AIO_SENDFILE)
- flags = c->aio_sendfile ? SF_NODISKIO : 0;
+ aio = file->file->aio;
+ flags = (aio && aio->preload_handler) ? SF_NODISKIO : 0;
#endif
rc = sendfile(file->file->fd, c->fd, file->file_pos,
@@ -180,7 +193,7 @@ ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
#if (NGX_HAVE_AIO_SENDFILE)
case NGX_EBUSY:
- c->busy_sendfile = file;
+ ebusy = 1;
break;
#endif
@@ -232,9 +245,41 @@ ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
in = ngx_chain_update_sent(in, sent);
#if (NGX_HAVE_AIO_SENDFILE)
- if (c->busy_sendfile) {
+
+ if (ebusy) {
+ if (sent == 0) {
+ c->busy_count++;
+
+ if (c->busy_count > 2) {
+ ngx_log_error(NGX_LOG_ALERT, c->log, 0,
+ "sendfile(%V) returned busy again",
+ &file->file->name);
+
+ c->busy_count = 0;
+ aio->preload_handler = NULL;
+
+ send = prev_send;
+ continue;
+ }
+
+ } else {
+ c->busy_count = 0;
+ }
+
+ rc = aio->preload_handler(file);
+
+ if (rc > 0) {
+ send = prev_send + sent;
+ continue;
+ }
+
return in;
}
+
+ if (flags == SF_NODISKIO) {
+ c->busy_count = 0;
+ }
+
#endif
if (eagain) {
diff --git a/src/os/unix/ngx_linux_aio_read.c b/src/os/unix/ngx_linux_aio_read.c
index 8273c13f9..b0a923604 100644
--- a/src/os/unix/ngx_linux_aio_read.c
+++ b/src/os/unix/ngx_linux_aio_read.c
@@ -24,6 +24,28 @@ io_submit(aio_context_t ctx, long n, struct iocb **paiocb)
}
+ngx_int_t
+ngx_file_aio_init(ngx_file_t *file, ngx_pool_t *pool)
+{
+ ngx_event_aio_t *aio;
+
+ aio = ngx_pcalloc(pool, sizeof(ngx_event_aio_t));
+ if (aio == NULL) {
+ return NGX_ERROR;
+ }
+
+ aio->file = file;
+ aio->fd = file->fd;
+ aio->event.data = aio;
+ aio->event.ready = 1;
+ aio->event.log = file->log;
+
+ file->aio = aio;
+
+ return NGX_OK;
+}
+
+
ssize_t
ngx_file_aio_read(ngx_file_t *file, u_char *buf, size_t size, off_t offset,
ngx_pool_t *pool)
@@ -37,22 +59,11 @@ ngx_file_aio_read(ngx_file_t *file, u_char *buf, size_t size, off_t offset,
return ngx_read_file(file, buf, size, offset);
}
- aio = file->aio;
-
- if (aio == NULL) {
- aio = ngx_pcalloc(pool, sizeof(ngx_event_aio_t));
- if (aio == NULL) {
- return NGX_ERROR;
- }
-
- aio->file = file;
- aio->fd = file->fd;
- aio->event.data = aio;
- aio->event.ready = 1;
- aio->event.log = file->log;
- file->aio = aio;
+ if (file->aio == NULL && ngx_file_aio_init(file, pool) != NGX_OK) {
+ return NGX_ERROR;
}
+ aio = file->aio;
ev = &aio->event;
if (!ev->ready) {