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-rw-r--r--app/nginx/src/core/ngx_slab.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/app/nginx/src/core/ngx_slab.h b/app/nginx/src/core/ngx_slab.h
new file mode 100644
index 0000000..eff893c
--- /dev/null
+++ b/app/nginx/src/core/ngx_slab.h
@@ -0,0 +1,71 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) Nginx, Inc.
+ */
+
+
+#ifndef _NGX_SLAB_H_INCLUDED_
+#define _NGX_SLAB_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+
+
+typedef struct ngx_slab_page_s ngx_slab_page_t;
+
+struct ngx_slab_page_s {
+ uintptr_t slab;
+ ngx_slab_page_t *next;
+ uintptr_t prev;
+};
+
+
+typedef struct {
+ ngx_uint_t total;
+ ngx_uint_t used;
+
+ ngx_uint_t reqs;
+ ngx_uint_t fails;
+} ngx_slab_stat_t;
+
+
+typedef struct {
+ ngx_shmtx_sh_t lock;
+
+ size_t min_size;
+ size_t min_shift;
+
+ ngx_slab_page_t *pages;
+ ngx_slab_page_t *last;
+ ngx_slab_page_t free;
+
+ ngx_slab_stat_t *stats;
+ ngx_uint_t pfree;
+
+ u_char *start;
+ u_char *end;
+
+ ngx_shmtx_t mutex;
+
+ u_char *log_ctx;
+ u_char zero;
+
+ unsigned log_nomem:1;
+
+ void *data;
+ void *addr;
+} ngx_slab_pool_t;
+
+
+void ngx_slab_init(ngx_slab_pool_t *pool);
+void *ngx_slab_alloc(ngx_slab_pool_t *pool, size_t size);
+void *ngx_slab_alloc_locked(ngx_slab_pool_t *pool, size_t size);
+void *ngx_slab_calloc(ngx_slab_pool_t *pool, size_t size);
+void *ngx_slab_calloc_locked(ngx_slab_pool_t *pool, size_t size);
+void ngx_slab_free(ngx_slab_pool_t *pool, void *p);
+void ngx_slab_free_locked(ngx_slab_pool_t *pool, void *p);
+
+
+#endif /* _NGX_SLAB_H_INCLUDED_ */