diff options
Diffstat (limited to 'libglusterfs/src/mem-pool.h')
| -rw-r--r-- | libglusterfs/src/mem-pool.h | 208 |
1 files changed, 175 insertions, 33 deletions
diff --git a/libglusterfs/src/mem-pool.h b/libglusterfs/src/mem-pool.h index 492e868bc..31f49f75c 100644 --- a/libglusterfs/src/mem-pool.h +++ b/libglusterfs/src/mem-pool.h @@ -1,20 +1,11 @@ /* - Copyright (c) 2008-2009 Z RESEARCH, Inc. <http://www.zresearch.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. + Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. */ #ifndef _MEM_POOL_H_ @@ -22,33 +13,184 @@ #include "list.h" #include "locking.h" +#include "logging.h" +#include "mem-types.h" +#include <stdlib.h> +#include <inttypes.h> +#include <string.h> +#include <stdarg.h> + + +struct mem_acct { + uint32_t num_types; + struct mem_acct_rec *rec; +}; + +struct mem_acct_rec { + size_t size; + size_t max_size; + uint32_t num_allocs; + uint32_t total_allocs; + uint32_t max_num_allocs; + gf_lock_t lock; +}; + + +void * +__gf_calloc (size_t cnt, size_t size, uint32_t type); + +void * +__gf_malloc (size_t size, uint32_t type); + +void * +__gf_realloc (void *ptr, size_t size); + +int +gf_vasprintf (char **string_ptr, const char *format, va_list arg); + +int +gf_asprintf (char **string_ptr, const char *format, ...); + +void +__gf_free (void *ptr); + + +static inline +void* __gf_default_malloc (size_t size) +{ + void *ptr = NULL; + + ptr = malloc (size); + if (!ptr) + gf_log_nomem ("", GF_LOG_ALERT, size); + + return ptr; +} + +static inline +void* __gf_default_calloc (int cnt, size_t size) +{ + void *ptr = NULL; + + ptr = calloc (cnt, size); + if (!ptr) + gf_log_nomem ("", GF_LOG_ALERT, (cnt * size)); + + return ptr; +} + +static inline +void* __gf_default_realloc (void *oldptr, size_t size) +{ + void *ptr = NULL; + + ptr = realloc (oldptr, size); + if (!ptr) + gf_log_nomem ("", GF_LOG_ALERT, size); + return ptr; +} -#define MALLOC(size) malloc(size) -#define CALLOC(cnt,size) calloc(cnt,size) +#define MALLOC(size) __gf_default_malloc(size) +#define CALLOC(cnt,size) __gf_default_calloc(cnt,size) +#define REALLOC(ptr,size) __gf_default_realloc(ptr,size) -#define FREE(ptr) \ - if (ptr != NULL) { \ - free ((void *)ptr); \ - ptr = (void *)0xeeeeeeee; \ - } +#define FREE(ptr) \ + if (ptr != NULL) { \ + free ((void *)ptr); \ + ptr = (void *)0xeeeeeeee; \ + } + +#define GF_CALLOC(nmemb, size, type) __gf_calloc (nmemb, size, type) + +#define GF_MALLOC(size, type) __gf_malloc (size, type) + +#define GF_REALLOC(ptr, size) __gf_realloc (ptr, size) + +#define GF_FREE(free_ptr) __gf_free (free_ptr) + +static inline +char *gf_strndup (const char *src, size_t len) +{ + char *dup_str = NULL; + + if (!src) { + goto out; + } + + dup_str = GF_CALLOC (1, len + 1, gf_common_mt_strdup); + if (!dup_str) { + goto out; + } + + memcpy (dup_str, src, len); +out: + return dup_str; +} + +static inline +char * gf_strdup (const char *src) +{ + + char *dup_str = NULL; + size_t len = 0; + + len = strlen (src) + 1; + + dup_str = GF_CALLOC(1, len, gf_common_mt_strdup); + + if (!dup_str) + return NULL; + + memcpy (dup_str, src, len); + + return dup_str; +} + +static inline void * +gf_memdup (const void *src, size_t size) +{ + void *dup_mem = NULL; + + dup_mem = GF_CALLOC(1, size, gf_common_mt_strdup); + if (!dup_mem) + goto out; + + memcpy (dup_mem, src, size); + +out: + return dup_mem; +} struct mem_pool { - struct list_head list; - int hot_count; - int cold_count; - gf_lock_t lock; - unsigned long padded_sizeof_type; - void *pool; - void *pool_end; + struct list_head list; + int hot_count; + int cold_count; + gf_lock_t lock; + unsigned long padded_sizeof_type; + void *pool; + void *pool_end; + int real_sizeof_type; + uint64_t alloc_count; + uint64_t pool_misses; + int max_alloc; + int curr_stdalloc; + int max_stdalloc; + char *name; + struct list_head global_list; }; struct mem_pool * -mem_pool_new_fn (unsigned long sizeof_type, unsigned long count); +mem_pool_new_fn (unsigned long sizeof_type, unsigned long count, char *name); -#define mem_pool_new(type,count) mem_pool_new_fn (sizeof(type), count) +#define mem_pool_new(type,count) mem_pool_new_fn (sizeof(type), count, #type) -void mem_put (struct mem_pool *pool, void *ptr); +void mem_put (void *ptr); void *mem_get (struct mem_pool *pool); +void *mem_get0 (struct mem_pool *pool); + +void mem_pool_destroy (struct mem_pool *pool); + +void gf_mem_acct_enable_set (void *ctx); #endif /* _MEM_POOL_H */ |