version 1.5.2.1, 2015/07/01 21:31:26
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version 1.11, 2024/10/28 09:58:51
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Line 12 terms:
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Line 12 terms:
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All of the documentation and software included in the ELWIX and AITNET |
All of the documentation and software included in the ELWIX and AITNET |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
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Copyright 2004 - 2015 | Copyright 2004 - 2024 |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
Line 91 mpool_init(u_long maxmem)
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Line 91 mpool_init(u_long maxmem)
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void |
void |
mpool_destroy(mpool_t ** __restrict mp) |
mpool_destroy(mpool_t ** __restrict mp) |
{ |
{ |
struct tagAlloc *m; | struct tagAlloc *m, *n; |
register int i; |
register int i; |
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if (!mp && !*mp) | if (!mp || !*mp) |
return; |
return; |
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mpool_lock(*mp); |
mpool_lock(*mp); |
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for (i = 0; i < MEM_BUCKETS; i++) { |
for (i = 0; i < MEM_BUCKETS; i++) { |
while ((m = TAILQ_FIRST(&(*mp)->pool_active[i]))) { | for (m = TAILQ_FIRST(&(*mp)->pool_active[i]); m; m = n) { |
TAILQ_REMOVE(&(*mp)->pool_active[i], m, alloc_node); | n = TAILQ_NEXT(m, alloc_node); |
if (m->alloc_mem) |
if (m->alloc_mem) |
free(m->alloc_mem); |
free(m->alloc_mem); |
free(m); |
free(m); |
} |
} |
while ((m = TAILQ_FIRST(&(*mp)->pool_inactive[i]))) { | for (m = TAILQ_FIRST(&(*mp)->pool_inactive[i]); m; m = n) { |
TAILQ_REMOVE(&(*mp)->pool_inactive[i], m, alloc_node); | n = TAILQ_NEXT(m, alloc_node); |
if (m->alloc_mem) |
if (m->alloc_mem) |
free(m->alloc_mem); |
free(m->alloc_mem); |
free(m); |
free(m); |
Line 219 mpool_malloc(mpool_t * __restrict mp, u_int size, cons
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Line 219 mpool_malloc(mpool_t * __restrict mp, u_int size, cons
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} else { /* quota */ |
} else { /* quota */ |
mp->pool_quota.curr += size; |
mp->pool_quota.curr += size; |
mp->pool_quota.real += 1 << (idx + MEM_MIN_BUCKET); |
mp->pool_quota.real += 1 << (idx + MEM_MIN_BUCKET); |
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#ifdef MPOOL_MEM_ZERO |
memset(m->alloc_mem, 0, align + 12); |
memset(m->alloc_mem, 0, align + 12); |
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#endif |
} |
} |
} |
} |
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Line 236 mpool_malloc(mpool_t * __restrict mp, u_int size, cons
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Line 238 mpool_malloc(mpool_t * __restrict mp, u_int size, cons
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} |
} |
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/* |
/* |
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* mpool_calloc() - Multiple memory block allocation |
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* |
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* @mp = Memory pool |
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* @nmemb = Number of memory blocks |
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* @size = Size |
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* @memname = Optional memory block name |
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* return: NULL error or !=NULL ok allocated memory |
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*/ |
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void * |
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mpool_calloc(mpool_t * __restrict mp, u_int nmemb, u_int size, const char *memname) |
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{ |
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void *m; |
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u_int total = nmemb * size; |
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m = mpool_malloc(mp, total, memname); |
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#ifndef MPOOL_MEM_ZERO |
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if (m) |
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memset(m, 0, total); |
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#endif |
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return m; |
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} |
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/* |
* mpool_realloc() Reallocate memory block with new size |
* mpool_realloc() Reallocate memory block with new size |
* |
* |
* @mp = Memory pool |
* @mp = Memory pool |
Line 250 mpool_realloc(mpool_t * __restrict mp, void * __restri
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Line 275 mpool_realloc(mpool_t * __restrict mp, void * __restri
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int idx, oidx; |
int idx, oidx; |
void *p; |
void *p; |
u_int osize; |
u_int osize; |
#ifdef MPOOL_USE_REALLOC |
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struct tagAlloc *m, *tmp; |
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u_int align; |
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#endif |
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/* if !data execute mpool_malloc() */ |
/* if !data execute mpool_malloc() */ |
if (!data) |
if (!data) |
Line 289 mpool_realloc(mpool_t * __restrict mp, void * __restri
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Line 310 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) { |
if (oidx != idx) { |
mpool_unlock(mp); |
mpool_unlock(mp); |
p = mpool_malloc(mp, newsize, memname); |
p = mpool_malloc(mp, newsize, memname); |
if (!p) |
if (!p) |
return NULL; |
return NULL; |
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memcpy(p, data, osize); | memcpy(p, data, MIN(osize, newsize)); |
mpool_free(mp, data, 0); |
mpool_free(mp, data, 0); |
} else { |
} else { |
p = data; |
p = data; |
Line 311 mpool_realloc(mpool_t * __restrict mp, void * __restri
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Line 331 mpool_realloc(mpool_t * __restrict mp, void * __restri
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} |
} |
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return p; |
return p; |
#else |
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/* find old memory block */ |
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TAILQ_FOREACH_SAFE(m, &mp->pool_active[oidx], alloc_node, tmp) { |
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if (mem_data(m, void*) == data && mem_size(m) == osize) { |
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/* case in different buckets */ |
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if (oidx != idx) { |
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TAILQ_REMOVE(&mp->pool_active[oidx], m, alloc_node); |
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/* statistics */ |
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mp->pool_calls.alloc--; |
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} |
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mp->pool_bytes.alloc -= osize; |
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break; |
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} |
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} |
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/* memory block not found! */ |
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if (!m) { |
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mpool_unlock(mp); |
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elwix_SetErr(EFAULT, "Memory block not found"); |
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return NULL; |
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} |
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/* try to reallocate memory block to new bucket */ |
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if (oidx != idx) { |
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align = 1 << (idx + MEM_MIN_BUCKET); |
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p = realloc(m->alloc_mem, align + 12); |
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if (!p) { |
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LOGERR; |
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/* restore to old bucket pulled memory block for reallocation */ |
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TAILQ_INSERT_HEAD(&mp->pool_active[oidx], m, alloc_node); |
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/* statistics */ |
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mp->pool_calls.alloc++; |
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mp->pool_bytes.alloc += osize; |
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mpool_unlock(mp); |
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return NULL; |
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} else |
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m->alloc_mem = (u_int*) p; |
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} |
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/* quota */ |
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mp->pool_quota.curr += (u_long) newsize - osize; |
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mp->pool_quota.real += (1 << (idx + MEM_MIN_BUCKET)) - (1 << (oidx + MEM_MIN_BUCKET)); |
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m->alloc_mem[0] = newsize / sizeof(u_int); |
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m->alloc_mem[1] = MEM_MAGIC_START; |
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m->alloc_mem[2 + newsize / sizeof(u_int)] = MEM_MAGIC_STOP; |
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if (oidx != idx) { |
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TAILQ_INSERT_HEAD(&mp->pool_active[idx], m, alloc_node); |
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/* statistics */ |
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mp->pool_calls.alloc++; |
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} |
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mp->pool_bytes.alloc += newsize; |
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if (memname) |
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strlcpy(m->alloc_name, memname, sizeof m->alloc_name); |
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mpool_unlock(mp); |
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return mem_data(m, void*); |
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#endif |
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} |
} |
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/* |
/* |
Line 684 mpool_getquota(mpool_t * __restrict mp, u_long *currme
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Line 644 mpool_getquota(mpool_t * __restrict mp, u_long *currme
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* |
* |
* @mp = Memory pool |
* @mp = Memory pool |
* @cb = Export statistics to callback |
* @cb = Export statistics to callback |
* return: none | * return: -1 error or >0 bytes in data buffer |
*/ |
*/ |
void | int |
mpool_statistics(mpool_t * __restrict mp, mpool_stat_cb cb) | mpool_statistics(mpool_t * __restrict mp, mpool_stat_cb cb, void *data, u_int datlen) |
{ |
{ |
struct tagAlloc *m; |
struct tagAlloc *m; |
register int i, act, inact; |
register int i, act, inact; |
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int len = 0; |
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if (!mp || !cb) |
if (!mp || !cb) |
return; | return -1; |
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for (i = act = inact = 0; i < MEM_BUCKETS; act = inact = 0, i++) { |
for (i = act = inact = 0; i < MEM_BUCKETS; act = inact = 0, i++) { |
TAILQ_FOREACH(m, &mp->pool_active[i], alloc_node) |
TAILQ_FOREACH(m, &mp->pool_active[i], alloc_node) |
Line 701 mpool_statistics(mpool_t * __restrict mp, mpool_stat_c
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Line 662 mpool_statistics(mpool_t * __restrict mp, mpool_stat_c
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TAILQ_FOREACH(m, &mp->pool_inactive[i], alloc_node) |
TAILQ_FOREACH(m, &mp->pool_inactive[i], alloc_node) |
inact++; |
inact++; |
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cb(1 << (i + MEM_MIN_BUCKET), act, inact); | len += cb(1 << (i + MEM_MIN_BUCKET), act, inact, data, datlen); |
} |
} |
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return len; |
} |
} |
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/* ----------------------------------------------------------- */ |
/* ----------------------------------------------------------- */ |
Line 729 mpool_xmalloc(size_t size)
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Line 692 mpool_xmalloc(size_t size)
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void * |
void * |
mpool_xcalloc(size_t num, size_t size) |
mpool_xcalloc(size_t num, size_t size) |
{ |
{ |
return mpool_malloc(elwix_mpool, num * size, elwix_Prog); | return mpool_calloc(elwix_mpool, num, size, elwix_Prog); |
} |
} |
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/* |
/* |
Line 770 mpool_xstrdup(const char *str)
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Line 733 mpool_xstrdup(const char *str)
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} |
} |
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/* |
/* |
* mpool_xstatistics() - elwix memory pool statistics wrapper | * mpool_xstatistics() - elwix default memory pool statistics wrapper |
* |
* |
* @cb = Export statistics to callback |
* @cb = Export statistics to callback |
* return: none | * @data = data buffer |
| * @datlen = data buffer length |
| * return: >0 data in string buffer |
*/ |
*/ |
void | int |
mpool_xstatistics(mpool_stat_cb cb) | mpool_xstatistics(mpool_stat_cb cb, void *data, u_int datlen) |
{ |
{ |
mpool_statistics(elwix_mpool, cb); | return mpool_statistics(elwix_mpool, cb, data, datlen); |
} |
} |
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static void | static int |
xdump_show(u_int size, u_int act, u_int inact) | xdump_show(u_int size, u_int act, u_int inact, void *data, u_int datlen) |
{ |
{ |
if (!act && !inact) |
if (!act && !inact) |
return; /* skip empty bucket */ | return 0; /* skip empty bucket */ |
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if (size < 1024) |
if (size < 1024) |
printf("\t\t* BUCKET %uB size, %u active, %u inactive\n", |
printf("\t\t* BUCKET %uB size, %u active, %u inactive\n", |
Line 796 xdump_show(u_int size, u_int act, u_int inact)
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Line 761 xdump_show(u_int size, u_int act, u_int inact)
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else |
else |
printf("\t\t* BUCKET %uMB size, %u active, %u inactive\n", |
printf("\t\t* BUCKET %uMB size, %u active, %u inactive\n", |
size / 1048576, act, inact); |
size / 1048576, act, inact); |
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return 0; |
} |
} |
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static int |
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xdump_show2(u_int size, u_int act, u_int inact, void *data, u_int datlen) |
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{ |
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char szStr[STRSIZ], *str = data; |
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int len = 0; |
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if (!data || !datlen) |
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return 0; /* skip missing data buffer */ |
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if (!act && !inact) |
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return 0; /* skip empty bucket */ |
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if (size < 1024) |
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len = snprintf(szStr, sizeof szStr, "\t\t* BUCKET %uB size, %u active, %u inactive\n", |
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size, act, inact); |
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else if (size < 1048576) |
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len = snprintf(szStr, sizeof szStr, "\t\t* BUCKET %uKB size, %u active, %u inactive\n", |
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size / 1024, act, inact); |
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else |
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len = snprintf(szStr, sizeof szStr, "\t\t* BUCKET %uMB size, %u active, %u inactive\n", |
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size / 1048576, act, inact); |
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strlcat(str, szStr, datlen); |
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return len; |
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} |
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/* |
/* |
* mpool_dump() - Dump elwix memory pool statistics |
* mpool_dump() - Dump elwix memory pool statistics |
* |
* |
Line 820 mpool_dump(mpool_t * __restrict mp, const char *fmt, .
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Line 812 mpool_dump(mpool_t * __restrict mp, const char *fmt, .
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printf("\n%s(%d)\n", __func__, __LINE__); |
printf("\n%s(%d)\n", __func__, __LINE__); |
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printf("------------------------------------------------------------\n"); |
printf("------------------------------------------------------------\n"); |
printf( " ELWIX memory pool ::\n" | printf( " ELWIX memory pool %p ::\n" |
"\t- quotas Current/Real/Max = %lu/%lu/%lu\n" |
"\t- quotas Current/Real/Max = %lu/%lu/%lu\n" |
"\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", mp, |
p->pool_quota.curr, p->pool_quota.real, p->pool_quota.max, |
p->pool_quota.curr, p->pool_quota.real, p->pool_quota.max, |
p->pool_calls.alloc, p->pool_calls.free, p->pool_calls.cache, |
p->pool_calls.alloc, p->pool_calls.free, p->pool_calls.cache, |
p->pool_bytes.alloc, p->pool_bytes.free, p->pool_bytes.cache); |
p->pool_bytes.alloc, p->pool_bytes.free, p->pool_bytes.cache); |
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mpool_statistics(p, xdump_show); | mpool_statistics(p, xdump_show, NULL, 0); |
printf("------------------------------------------------------------\n"); |
printf("------------------------------------------------------------\n"); |
} |
} |
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/* |
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* mpool_dump2() - Dump elwix memory pool statistics to string |
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* |
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* @mp = memory pool, if =NULL dump elwix default memory pool |
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* @str = string buffer |
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* @strlen = string buffer length |
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* return: >0 data in string buffer |
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*/ |
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int |
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mpool_dump2(mpool_t * __restrict mp, char *str, int strlen) |
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{ |
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int len; |
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mpool_t *p = mp ? mp : elwix_mpool; |
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len = snprintf(str, strlen, |
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"------------------------------------------------------------\n"); |
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len += snprintf(str + len, strlen - len, " ELWIX memory pool %p ::\n" |
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"\t- quotas Current/Real/Max = %lu/%lu/%lu\n" |
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"\t- calls Alloc/Free/Cache = %lu/%lu/%lu\n" |
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"\t- bytes Alloc/Free/Cache = %lu/%lu/%lu\n" |
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"\t- buckets :\n", mp, |
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p->pool_quota.curr, p->pool_quota.real, p->pool_quota.max, |
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p->pool_calls.alloc, p->pool_calls.free, p->pool_calls.cache, |
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p->pool_bytes.alloc, p->pool_bytes.free, p->pool_bytes.cache); |
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len += mpool_statistics(p, xdump_show2, str + len, strlen - len); |
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len += snprintf(str + len, strlen - len, |
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"------------------------------------------------------------\n"); |
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return len; |
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} |