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authorJunio C Hamano <gitster@pobox.com>2010-05-21 11:02:16 (GMT)
committerJunio C Hamano <gitster@pobox.com>2010-05-21 11:02:16 (GMT)
commitea5f75a64ae52590b06713d45d84de03ca109ccc (patch)
tree3d7e604cb897afd9b8bcf7ed413e86d193cab40a /wrapper.c
parentaf655431f53c20e3d0ed236544397c69974267f4 (diff)
parent937491944292fa3303b565b9bd8914c6b644ab13 (diff)
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Merge branch 'np/malloc-threading'
* np/malloc-threading: Thread-safe xmalloc and xrealloc needs a recursive mutex Make xmalloc and xrealloc thread-safe
Diffstat (limited to 'wrapper.c')
-rw-r--r--wrapper.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/wrapper.c b/wrapper.c
index 10a6750..58201b6 100644
--- a/wrapper.c
+++ b/wrapper.c
@@ -3,11 +3,23 @@
*/
#include "cache.h"
+static void try_to_free_builtin(size_t size)
+{
+ release_pack_memory(size, -1);
+}
+
+static void (*try_to_free_routine)(size_t size) = try_to_free_builtin;
+
+void set_try_to_free_routine(void (*routine)(size_t))
+{
+ try_to_free_routine = (routine) ? routine : try_to_free_builtin;
+}
+
char *xstrdup(const char *str)
{
char *ret = strdup(str);
if (!ret) {
- release_pack_memory(strlen(str) + 1, -1);
+ try_to_free_routine(strlen(str) + 1);
ret = strdup(str);
if (!ret)
die("Out of memory, strdup failed");
@@ -21,7 +33,7 @@ void *xmalloc(size_t size)
if (!ret && !size)
ret = malloc(1);
if (!ret) {
- release_pack_memory(size, -1);
+ try_to_free_routine(size);
ret = malloc(size);
if (!ret && !size)
ret = malloc(1);
@@ -67,7 +79,7 @@ void *xrealloc(void *ptr, size_t size)
if (!ret && !size)
ret = realloc(ptr, 1);
if (!ret) {
- release_pack_memory(size, -1);
+ try_to_free_routine(size);
ret = realloc(ptr, size);
if (!ret && !size)
ret = realloc(ptr, 1);
@@ -83,7 +95,7 @@ void *xcalloc(size_t nmemb, size_t size)
if (!ret && (!nmemb || !size))
ret = calloc(1, 1);
if (!ret) {
- release_pack_memory(nmemb * size, -1);
+ try_to_free_routine(nmemb * size);
ret = calloc(nmemb, size);
if (!ret && (!nmemb || !size))
ret = calloc(1, 1);