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More precise memory used guesswork in zmalloc.c

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This commit is contained in:
antirez 2010-04-20 11:01:36 +02:00
parent 66c8853f9c
commit d3277ecd92
1 changed files with 6 additions and 2 deletions
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8
zmalloc.c
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@ -40,7 +40,9 @@
#define PREFIX_SIZE sizeof(size_t)
#endif
#define increment_used_memory(_n) do { \
#define increment_used_memory(__n) do { \
size_t _n = (__n); \
if (_n&(sizeof(long)-1)) _n += sizeof(long)-(_n&(sizeof(long)-1)); \
if (zmalloc_thread_safe) { \
pthread_mutex_lock(&used_memory_mutex); \
used_memory += _n; \
@ -50,7 +52,9 @@
} \
} while(0)
#define decrement_used_memory(_n) do { \
#define decrement_used_memory(__n) do { \
size_t _n = (__n); \
if (_n&(sizeof(long)-1)) _n += sizeof(long)-(_n&(sizeof(long)-1)); \
if (zmalloc_thread_safe) { \
pthread_mutex_lock(&used_memory_mutex); \
used_memory -= _n; \