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authorIgor Sysoev <igor@sysoev.ru>2002-08-06 16:39:45 +0000
committerIgor Sysoev <igor@sysoev.ru>2002-08-06 16:39:45 +0000
commit6de5c2cb63f8aee4bcbec3c363a72fd8e4a4e64d (patch)
tree0e4da305f8101799b6c6aa3002cecf539c2578c0 /src/core/ngx_hunk.h
downloadnginx-6de5c2cb63f8aee4bcbec3c363a72fd8e4a4e64d.tar.gz
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nginx-0.0.1-2002-08-06-20:39:45 import
The first code that uses "ngx_" prefix, the previous one used "gx_" prefix. At that point the code is not yet usable. The first draft ideas are dated back to 23.10.2001.
Diffstat (limited to 'src/core/ngx_hunk.h')
-rw-r--r--src/core/ngx_hunk.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/src/core/ngx_hunk.h b/src/core/ngx_hunk.h
new file mode 100644
index 000000000..e4238b4f5
--- /dev/null
+++ b/src/core/ngx_hunk.h
@@ -0,0 +1,57 @@
+#ifndef _NGX_CHUNK_H_INCLUDED_
+#define _NGX_CHUNK_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_types.h>
+#include <ngx_alloc.h>
+
+
+/* type */
+#define NGX_HUNK_TEMP 0x0001
+#define NGX_HUNK_MEMORY 0x0002
+#define NGX_HUNK_MMAP 0x0004
+#define NGX_HUNK_FILE 0x0008
+#define NGX_HUNK_FLUSH 0x0010
+/* in thread state flush means to write the hunk completely before return
+ in event-driven state flush means to start to write the hunk */
+#define NGX_HUNK_LAST 0x0020
+
+#define NGX_HUNK_IN_MEMORY (NGX_HUNK_TEMP | NGX_HUNK_MEMORY | NGX_HUNK_MMAP )
+#define NGX_HUNK_TYPE 0x0ffff
+
+/* flags */
+#define NGX_HUNK_SHUTDOWN 0x10000
+/* can be used with NGX_HUNK_LAST only */
+
+
+typedef struct ngx_hunk_s ngx_hunk_t;
+struct ngx_hunk_s {
+ union {
+ char *p; /* start of current data */
+ off_t f;
+ } pos;
+ union {
+ char *p; /* end of current data */
+ off_t f;
+ } last;
+ int type;
+ char *start; /* start of hunk */
+ char *end; /* end of hunk */
+ char *pre_start; /* start of pre-allocated hunk */
+ char *post_end; /* end of post-allocated hunk */
+ int tag;
+ ngx_file_t fd;
+};
+
+typedef struct ngx_chain_s ngx_chain_t;
+struct ngx_chain_s {
+ ngx_hunk_t *hunk;
+ ngx_chain_t *next;
+};
+
+
+ngx_hunk_t *ngx_get_hunk(ngx_pool_t *pool, int size, int before, int after);
+
+
+#endif /* _NGX_CHUNK_H_INCLUDED_ */