diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/chmempools.c | 50 | ||||
| -rw-r--r-- | src/include/mempools.h | 2 |
2 files changed, 9 insertions, 43 deletions
diff --git a/src/chmempools.c b/src/chmempools.c index 04d97a1f4..52914b7c6 100644 --- a/src/chmempools.c +++ b/src/chmempools.c @@ -27,54 +27,36 @@ #ifdef CH_USE_MEMPOOLS
/**
- * Initializes a memory pool.
+ * Initializes an empty memory pool.
* @param mp pointer to a \p MemoryPool structure
* @param size the size of the objects contained in this memory pool
- * @param allow_growth if \p TRUE then the memory pool can allocate
- * more space from the heap when needed
- * @note The parameter \p allow_growth is ignored if the \p CH_USE_HEAP
- * configuration option is not enabled.
*/
-void chPoolInit(MemoryPool *mp, size_t size, bool_t allow_growth) {
+void chPoolInit(MemoryPool *mp, size_t size) {
chDbgAssert((mp != NULL) && (size >= sizeof(void *)),
"chpools.c, chPoolFree()");
mp->mp_next = NULL;
mp->mp_object_size = size;
-#ifdef CH_USE_HEAP
- mp->mp_grow = allow_growth;
-#endif /* CH_USE_HEAP */
}
/**
* Allocates an object from a memory pool.
* @param mp pointer to a \p MemoryPool structure
- * @return the pointer to the allocated object or \p NULL if the memory is
- * exhausted
+ * @return the pointer to the allocated object or \p NULL if pool is empty
*/
void *chPoolAlloc(MemoryPool *mp) {
- void *p;
+ void *objp;
chDbgAssert(mp != NULL, "chpools.c, chPoolAlloc()");
chSysLock();
- if (mp->mp_next == NULL) {
-#ifdef CH_USE_HEAP
- if (mp->mp_grow) {
-
- chSysUnlock();
- return chHeapAlloc(mp->mp_object_size);
- }
-#endif /* CH_USE_HEAP */
- return NULL;
- }
- p = mp->mp_next;
- mp->mp_next = mp->mp_next->ph_next;
+ if ((objp = mp->mp_next) != NULL)
+ mp->mp_next = mp->mp_next->ph_next;
chSysUnlock();
- return p;
+ return objp;
}
/**
@@ -82,7 +64,7 @@ void *chPoolAlloc(MemoryPool *mp) { * @param mp pointer to a \p MemoryPool structure
* @param objp the pointer to the object to be released or added
* @note the object is assumed to be of the right size for the specified
- * buffer.
+ * memory pool.
*/
void chPoolFree(MemoryPool *mp, void *objp) {
struct pool_header *php = objp;
@@ -98,22 +80,6 @@ void chPoolFree(MemoryPool *mp, void *objp) { chSysUnlock();
}
-#ifdef CH_USE_HEAP
-/**
- * Releases all the objects contained into a pool.
- * @param mp pointer to a \p MemoryPool structure
- * @note It is assumed that all the object are allocated using the heap
- * allocator, do not use this function if the pool contains other kind
- * of objects, as example static areas.
- */
-void chPoolRelease(MemoryPool *mp) {
- void *p;
-
- while ((p = chPoolAlloc(mp)) != NULL)
- chHeapFree(p);
-}
-#endif
-
#endif /* CH_USE_MEMPOOLS */
/** @} */
diff --git a/src/include/mempools.h b/src/include/mempools.h index 8311a757a..0037bf487 100644 --- a/src/include/mempools.h +++ b/src/include/mempools.h @@ -42,7 +42,7 @@ typedef struct { #ifdef __cplusplus
extern "C" {
#endif
- void chPoolInit(MemoryPool *mp, size_t size, bool_t allow_growth);
+ void chPoolInit(MemoryPool *mp, size_t size);
void *chPoolAlloc(MemoryPool *mp);
void chPoolFree(MemoryPool *mp, void *objp);
#ifdef CH_USE_HEAP
|