Mercurial > hg > nginx-quic
diff src/os/unix/ngx_files.h @ 6442:6e10518f95d8
Threads: offloading of temp files writing to thread pools.
The ngx_thread_write_chain_to_file() function introduced, which
uses ngx_file_t thread_handler, thread_ctx and thread_task fields.
The task context structure (ngx_thread_file_ctx_t) is the same for
both reading and writing, and can be safely shared as long as
operations are serialized.
The task->handler field is now always set (and not only when task is
allocated), as the same task can be used with different handlers.
The thread_write flag is introduced in the ngx_temp_file_t structure
to explicitly enable use of ngx_thread_write_chain_to_file() in
ngx_write_chain_to_temp_file() when supported by caller.
In collaboration with Valentin Bartenev.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Fri, 18 Mar 2016 06:44:03 +0300 |
parents | 9fd738b85fad |
children | 061ec464813f |
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--- a/src/os/unix/ngx_files.h +++ b/src/os/unix/ngx_files.h @@ -387,6 +387,8 @@ extern ngx_uint_t ngx_file_aio; #if (NGX_THREADS) ssize_t ngx_thread_read(ngx_file_t *file, u_char *buf, size_t size, off_t offset, ngx_pool_t *pool); +ssize_t ngx_thread_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl, + off_t offset, ngx_pool_t *pool); #endif