From: antirez <antirez@gmail.com>
Date: Mon, 20 Jun 2011 09:34:04 +0000 (+0200)
Subject: forward-ported changes in zmalloc.c/h to support jemalloc build
X-Git-Url: https://git.saurik.com/redis.git/commitdiff_plain/29d04257b0cb09028978f02c6404a0c002f0314c

forward-ported changes in zmalloc.c/h to support jemalloc build
---

diff --git a/src/zmalloc.c b/src/zmalloc.c
index aa3ccfe9..428951a4 100644
--- a/src/zmalloc.c
+++ b/src/zmalloc.c
@@ -51,6 +51,11 @@
 #define calloc(count,size) tc_calloc(count,size)
 #define realloc(ptr,size) tc_realloc(ptr,size)
 #define free(ptr) tc_free(ptr)
+#elif defined(USE_JEMALLOC)
+#define malloc(size) je_malloc(size)
+#define calloc(count,size) je_calloc(count,size)
+#define realloc(ptr,size) je_realloc(ptr,size)
+#define free(ptr) je_free(ptr)
 #endif
 
 #define update_zmalloc_stat_alloc(__n,__size) do { \
@@ -98,7 +103,7 @@ void *zmalloc(size_t size) {
 
     if (!ptr) zmalloc_oom(size);
 #ifdef HAVE_MALLOC_SIZE
-    update_zmalloc_stat_alloc(redis_malloc_size(ptr),size);
+    update_zmalloc_stat_alloc(zmalloc_size(ptr),size);
     return ptr;
 #else
     *((size_t*)ptr) = size;
@@ -112,7 +117,7 @@ void *zcalloc(size_t size) {
 
     if (!ptr) zmalloc_oom(size);
 #ifdef HAVE_MALLOC_SIZE
-    update_zmalloc_stat_alloc(redis_malloc_size(ptr),size);
+    update_zmalloc_stat_alloc(zmalloc_size(ptr),size);
     return ptr;
 #else
     *((size_t*)ptr) = size;
@@ -130,12 +135,12 @@ void *zrealloc(void *ptr, size_t size) {
 
     if (ptr == NULL) return zmalloc(size);
 #ifdef HAVE_MALLOC_SIZE
-    oldsize = redis_malloc_size(ptr);
+    oldsize = zmalloc_size(ptr);
     newptr = realloc(ptr,size);
     if (!newptr) zmalloc_oom(size);
 
     update_zmalloc_stat_free(oldsize);
-    update_zmalloc_stat_alloc(redis_malloc_size(newptr),size);
+    update_zmalloc_stat_alloc(zmalloc_size(newptr),size);
     return newptr;
 #else
     realptr = (char*)ptr-PREFIX_SIZE;
@@ -158,7 +163,7 @@ void zfree(void *ptr) {
 
     if (ptr == NULL) return;
 #ifdef HAVE_MALLOC_SIZE
-    update_zmalloc_stat_free(redis_malloc_size(ptr));
+    update_zmalloc_stat_free(zmalloc_size(ptr));
     free(ptr);
 #else
     realptr = (char*)ptr-PREFIX_SIZE;
diff --git a/src/zmalloc.h b/src/zmalloc.h
index d19979a3..49792795 100644
--- a/src/zmalloc.h
+++ b/src/zmalloc.h
@@ -28,8 +28,43 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef _ZMALLOC_H
-#define _ZMALLOC_H
+#ifndef __ZMALLOC_H
+#define __ZMALLOC_H
+
+/* Double expansion needed for stringification of macro values. */
+#define __xstr(s) __str(s)
+#define __str(s) #s
+
+#if defined(USE_TCMALLOC)
+#define ZMALLOC_LIB ("tcmalloc-" __xstr(TC_VERSION_MAJOR) "." __xstr(TC_VERSION_MINOR))
+#include <google/tcmalloc.h>
+#if TC_VERSION_MAJOR >= 1 && TC_VERSION_MINOR >= 6
+#define HAVE_MALLOC_SIZE 1
+#define zmalloc_size(p) tc_malloc_size(p)
+#else
+#error "Newer version of tcmalloc required"
+#endif
+
+#elif defined(USE_JEMALLOC)
+#define ZMALLOC_LIB ("jemalloc-" __xstr(JEMALLOC_VERSION_MAJOR) "." __xstr(JEMALLOC_VERSION_MINOR) "." __xstr(JEMALLOC_VERSION_BUGFIX))
+#define JEMALLOC_MANGLE
+#include <jemalloc/jemalloc.h>
+#if JEMALLOC_VERSION_MAJOR >= 2 && JEMALLOC_VERSION_MINOR >= 1
+#define HAVE_MALLOC_SIZE 1
+#define zmalloc_size(p) JEMALLOC_P(malloc_usable_size)(p)
+#else
+#error "Newer version of jemalloc required"
+#endif
+
+#elif defined(__APPLE__)
+#include <malloc/malloc.h>
+#define HAVE_MALLOC_SIZE 1
+#define zmalloc_size(p) malloc_size(p)
+#endif
+
+#ifndef ZMALLOC_LIB
+#define ZMALLOC_LIB "libc"
+#endif
 
 void *zmalloc(size_t size);
 void *zcalloc(size_t size);
@@ -44,4 +79,4 @@ size_t zmalloc_allocations_for_size(size_t size);
 
 #define ZMALLOC_MAX_ALLOC_STAT 256
 
-#endif /* _ZMALLOC_H */
+#endif /* __ZMALLOC_H */