diff options
Diffstat (limited to 'mysys/my_malloc.c')
| -rw-r--r-- | mysys/my_malloc.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/mysys/my_malloc.c b/mysys/my_malloc.c index e533230106e..dc02d3896bd 100644 --- a/mysys/my_malloc.c +++ b/mysys/my_malloc.c @@ -48,7 +48,6 @@ static inline size_t malloc_size_and_flag(void *p, my_bool *is_thread_specific) #define MALLOC_FIX_POINTER_FOR_FREE(p) (((char*) (p)) - MALLOC_PREFIX_SIZE) #endif /* SAFEMALLOC */ -static MALLOC_SIZE_CB malloc_size_cb_func= NULL; /** Inform application that memory usage has changed @@ -59,17 +58,19 @@ static MALLOC_SIZE_CB malloc_size_cb_func= NULL; The type os size is long long, to be able to handle negative numbers to decrement the memory usage + + @return 0 - ok + 1 - failure, abort the allocation */ +static void dummy(long long size __attribute__((unused)), + my_bool is_thread_specific __attribute__((unused))) +{} -static void update_malloc_size(long long size, my_bool is_thread_specific) -{ - if (malloc_size_cb_func) - malloc_size_cb_func(size, is_thread_specific); -} +static MALLOC_SIZE_CB update_malloc_size= dummy; void set_malloc_size_cb(MALLOC_SIZE_CB func) { - malloc_size_cb_func= func; + update_malloc_size= func ? func : dummy; } |