version 1.5, 2015/06/25 17:53:50
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version 1.5.2.1, 2015/07/01 21:31:26
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Line 247 mpool_malloc(mpool_t * __restrict mp, u_int size, cons
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Line 247 mpool_malloc(mpool_t * __restrict mp, u_int size, cons
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void * |
void * |
mpool_realloc(mpool_t * __restrict mp, void * __restrict data, u_int newsize, const char *memname) |
mpool_realloc(mpool_t * __restrict mp, void * __restrict data, u_int newsize, const char *memname) |
{ |
{ |
struct tagAlloc *m, *tmp; |
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int idx, oidx; |
int idx, oidx; |
void *p; |
void *p; |
u_int align, osize; | u_int osize; |
| #ifdef MPOOL_USE_REALLOC |
| struct tagAlloc *m, *tmp; |
| u_int align; |
| #endif |
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/* if !data execute mpool_malloc() */ |
/* if !data execute mpool_malloc() */ |
if (!data) |
if (!data) |
Line 264 mpool_realloc(mpool_t * __restrict mp, void * __restri
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Line 267 mpool_realloc(mpool_t * __restrict mp, void * __restri
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if (MEM_BADADDR(data) || MEM_CORRUPT(data)) { |
if (MEM_BADADDR(data) || MEM_CORRUPT(data)) { |
elwix_SetErr(EFAULT, "Corrupted memory address"); |
elwix_SetErr(EFAULT, "Corrupted memory address"); |
return NULL; |
return NULL; |
} else { |
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osize = ((u_int*)data)[-2] * sizeof(u_int); |
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oidx = BucketIndex(osize); |
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} |
} |
/* prepare new size */ |
/* prepare new size */ |
if (newsize > MEM_ALLOC_MAX) { |
if (newsize > MEM_ALLOC_MAX) { |
elwix_SetErr(ENOMEM, "Memory size is too large"); |
elwix_SetErr(ENOMEM, "Memory size is too large"); |
return NULL; |
return NULL; |
} else { |
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newsize = (newsize + 3) & ~3; /* must align to 4 because needed room for sentinels */ |
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idx = BucketIndex(newsize); |
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} |
} |
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mpool_lock(mp); |
mpool_lock(mp); |
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osize = ((u_int*)data)[-2] * sizeof(u_int); |
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oidx = BucketIndex(osize); |
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newsize = (newsize + 3) & ~3; /* must align to 4 because needed room for sentinels */ |
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idx = BucketIndex(newsize); |
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/* quota */ |
/* quota */ |
if (mp->pool_quota.max && |
if (mp->pool_quota.max && |
(mp->pool_quota.curr + ((u_long) newsize - osize)) > mp->pool_quota.max) { |
(mp->pool_quota.curr + ((u_long) newsize - osize)) > mp->pool_quota.max) { |
Line 287 mpool_realloc(mpool_t * __restrict mp, void * __restri
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Line 289 mpool_realloc(mpool_t * __restrict mp, void * __restri
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return NULL; |
return NULL; |
} |
} |
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#ifndef MPOOL_USE_REALLOC |
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if (oidx != idx) { |
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mpool_unlock(mp); |
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p = mpool_malloc(mp, newsize, memname); |
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if (!p) |
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return NULL; |
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memcpy(p, data, osize); |
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mpool_free(mp, data, 0); |
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} else { |
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p = data; |
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((u_int*) p)[-2] = newsize / sizeof(u_int); |
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((u_int*) p)[newsize / sizeof(u_int)] = MEM_MAGIC_STOP; |
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mp->pool_bytes.alloc += (u_long) newsize - osize; |
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mp->pool_quota.curr += (u_long) newsize - osize; |
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mpool_unlock(mp); |
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} |
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return p; |
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#else |
/* find old memory block */ |
/* find old memory block */ |
TAILQ_FOREACH_SAFE(m, &mp->pool_active[oidx], alloc_node, tmp) { |
TAILQ_FOREACH_SAFE(m, &mp->pool_active[oidx], alloc_node, tmp) { |
if (mem_data(m, void*) == data && mem_size(m) == osize) { |
if (mem_data(m, void*) == data && mem_size(m) == osize) { |
Line 345 mpool_realloc(mpool_t * __restrict mp, void * __restri
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Line 370 mpool_realloc(mpool_t * __restrict mp, void * __restri
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mpool_unlock(mp); |
mpool_unlock(mp); |
return mem_data(m, void*); |
return mem_data(m, void*); |
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#endif |
} |
} |
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/* |
/* |
Line 773 xdump_show(u_int size, u_int act, u_int inact)
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Line 799 xdump_show(u_int size, u_int act, u_int inact)
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} |
} |
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/* |
/* |
* mpool_xdump() - Dump elwix memory pool statistics | * mpool_dump() - Dump elwix memory pool statistics |
* |
* |
* @fmt = format string | * @mp = memory pool, if =NULL dump elwix default memory pool |
| * @fmt = prefix info format string |
* @... = argument(s) |
* @... = argument(s) |
* return: none |
* return: none |
*/ |
*/ |
void |
void |
mpool_xdump(const char *fmt, ...) | mpool_dump(mpool_t * __restrict mp, const char *fmt, ...) |
{ |
{ |
va_list lst; |
va_list lst; |
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mpool_t *p = mp ? mp : elwix_mpool; |
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if (fmt) { |
if (fmt) { |
va_start(lst, fmt); |
va_start(lst, fmt); |
Line 797 mpool_xdump(const char *fmt, ...)
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Line 825 mpool_xdump(const char *fmt, ...)
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"\t- calls Alloc/Free/Cache = %lu/%lu/%lu\n" |
"\t- calls Alloc/Free/Cache = %lu/%lu/%lu\n" |
"\t- bytes Alloc/Free/Cache = %lu/%lu/%lu\n" |
"\t- bytes Alloc/Free/Cache = %lu/%lu/%lu\n" |
"\t- buckets :\n", |
"\t- buckets :\n", |
elwix_mpool->pool_quota.curr, elwix_mpool->pool_quota.real, elwix_mpool->pool_quota.max, | p->pool_quota.curr, p->pool_quota.real, p->pool_quota.max, |
elwix_mpool->pool_calls.alloc, elwix_mpool->pool_calls.free, | p->pool_calls.alloc, p->pool_calls.free, p->pool_calls.cache, |
elwix_mpool->pool_calls.cache, elwix_mpool->pool_bytes.alloc, | p->pool_bytes.alloc, p->pool_bytes.free, p->pool_bytes.cache); |
elwix_mpool->pool_bytes.free, elwix_mpool->pool_bytes.cache); | |
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mpool_statistics(elwix_mpool, xdump_show); | mpool_statistics(p, xdump_show); |
printf("------------------------------------------------------------\n"); |
printf("------------------------------------------------------------\n"); |
} |
} |
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