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| author | Michal Schmidt <mschmidt@redhat.com> | 2014-10-24 15:30:18 +0200 |
|---|---|---|
| committer | Michal Schmidt <mschmidt@redhat.com> | 2014-10-30 19:50:50 +0100 |
| commit | 52fc5ce38c871e8d75392592919c66ab7f7575dd (patch) | |
| tree | 7c844b1ce11e0a2410a0b1eef2563fde090c4438 | |
| parent | b5de6d984296c9446ba0d2d32fd3248f453208aa (diff) | |
mempool: add a zeroing alloc function
Add mempool_alloc0_tile(). It's like mempool_alloc_tile(), but it
initializes the allocated tile's memory to zero.
| -rw-r--r-- | src/shared/mempool.c | 9 | ||||
| -rw-r--r-- | src/shared/mempool.h | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/src/shared/mempool.c b/src/shared/mempool.c index b39a37f2db..d5d98d8829 100644 --- a/src/shared/mempool.c +++ b/src/shared/mempool.c @@ -74,6 +74,15 @@ void* mempool_alloc_tile(struct mempool *mp) { return ((uint8_t*) mp->first_pool) + ALIGN(sizeof(struct pool)) + i*mp->tile_size; } +void* mempool_alloc0_tile(struct mempool *mp) { + void *p; + + p = mempool_alloc_tile(mp); + if (p) + memzero(p, mp->tile_size); + return p; +} + void mempool_free_tile(struct mempool *mp, void *p) { * (void**) p = mp->freelist; mp->freelist = p; diff --git a/src/shared/mempool.h b/src/shared/mempool.h index 8b0bf381bf..42f473bee1 100644 --- a/src/shared/mempool.h +++ b/src/shared/mempool.h @@ -34,6 +34,7 @@ struct mempool { }; void* mempool_alloc_tile(struct mempool *mp); +void* mempool_alloc0_tile(struct mempool *mp); void mempool_free_tile(struct mempool *mp, void *p); #define DEFINE_MEMPOOL(pool_name, tile_type, alloc_at_least) \ |