/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 2003-2004 The OpenLDAP Foundation.
+ * Copyright 2003-2006 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include "slap.h"
static struct slab_object * slap_replenish_sopool(struct slab_heap* sh);
+#ifdef SLAPD_UNUSED
static void print_slheap(int level, void *ctx);
+#endif
void
slap_sl_mem_destroy(
void *ctx
)
{
- struct slab_heap *sh = NULL;
+ struct slab_heap *sh;
ber_len_t size_shift;
int pad = 2*sizeof(int)-1, pad_shift;
int order = -1, order_start = -1, order_end = -1;
- int i, k;
+ int i;
struct slab_object *so;
#ifdef NO_THREADS
sh = slheap;
#else
+ void *sh_tmp = NULL;
ldap_pvt_thread_pool_getkey(
- ctx, (void *)slap_sl_mem_init, (void **)&sh, NULL );
+ ctx, (void *)slap_sl_mem_init, &sh_tmp, NULL );
+ sh = sh_tmp;
#endif
/* round up to doubleword boundary */
(void *)sh, slap_sl_mem_destroy);
#endif
} else if ( size > (char *)sh->sh_end - (char *)sh->sh_base ) {
- sh->sh_base = ch_realloc(sh->sh_base, size);
+ void *newptr;
+
+ newptr = ch_realloc( sh->sh_base, size );
+ if ( newptr == NULL ) return NULL;
+ sh->sh_base = newptr;
}
sh->sh_last = sh->sh_base;
sh->sh_end = (char *) sh->sh_base + size;
}
if (size > (char *)sh->sh_end - (char *)sh->sh_base) {
- sh->sh_base = realloc(sh->sh_base, size);
+ void *newptr;
+
+ newptr = realloc( sh->sh_base, size );
+ if ( newptr == NULL ) return NULL;
+ sh->sh_base = newptr;
}
}
sh->sh_end = (char *)sh->sh_base + size;
sh->sh_map = (unsigned char **)
ch_malloc(order * sizeof(unsigned char *));
for (i = 0; i < order; i++) {
- sh->sh_map[i] = (unsigned char *)
- ch_malloc(size >> (1 << (order_start + i + 3)));
- memset(sh->sh_map[i], 0, size >> (1 << (order_start + i + 3)));
+ int shiftamt = order_start + 1 + i;
+ int nummaps = size >> shiftamt;
+ assert(nummaps);
+ nummaps >>= 3;
+ if (!nummaps) nummaps = 1;
+ sh->sh_map[i] = (unsigned char *) ch_malloc(nummaps);
+ memset(sh->sh_map[i], 0, nummaps);
}
sh->sh_stack = stack;
return sh;
int pad = 2*sizeof(int)-1, pad_shift;
int order = -1, order_start = -1;
struct slab_object *so_new, *so_left, *so_right;
- ber_len_t *ptr, *new;
+ ber_len_t *ptr, *newptr;
unsigned long diff;
- int i, j, k;
+ int i, j;
+
+#ifdef SLAP_NO_SL_MALLOC
+ return ber_malloc_x( size, NULL );
+#endif
/* ber_set_option calls us like this */
if (!ctx) return ber_memalloc_x(size, NULL);
- Debug(LDAP_DEBUG_TRACE, "==> slap_sl_malloc (%d)\n", size, 0, 0);
-
/* round up to doubleword boundary */
size += sizeof(ber_len_t) + pad;
size &= ~pad;
(long)size, 0, 0);
return ch_malloc(size);
}
- new = sh->sh_last;
- *new++ = size - sizeof(ber_len_t);
+ newptr = sh->sh_last;
+ *newptr++ = size - sizeof(ber_len_t);
sh->sh_last = (char *) sh->sh_last + size;
- return( (void *)new );
+ return( (void *)newptr );
} else {
size_shift = size - 1;
do {
}
so_right = LDAP_LIST_FIRST(&sh->sh_sopool);
LDAP_LIST_REMOVE(so_right, so_link);
- so_right->so_ptr = so_left->so_ptr + (1 << j);
+ so_right->so_ptr = (void *)((char *)so_left->so_ptr + (1 << j));
if (j == order + 1) {
ptr = so_left->so_ptr;
diff = (unsigned long)((char*)ptr -
return (void*)ch_malloc(size);
}
}
+
+ /* FIXME: missing return; guessing... */
+ return NULL;
}
void *
slap_sl_calloc( ber_len_t n, ber_len_t size, void *ctx )
{
- void *new;
+ void *newptr;
- new = slap_sl_malloc( n*size, ctx );
- if ( new ) {
- memset( new, 0, n*size );
+ newptr = slap_sl_malloc( n*size, ctx );
+ if ( newptr ) {
+ memset( newptr, 0, n*size );
}
- return new;
+ return newptr;
}
void *
slap_sl_realloc(void *ptr, ber_len_t size, void *ctx)
{
struct slab_heap *sh = ctx;
- int size_shift;
- int pad = 2*sizeof(int)-1, pad_shift;
- int order_start = -1, order = -1;
- struct slab_object *so;
- ber_len_t *p = (ber_len_t *)ptr, *new;
- unsigned long diff;
+ int pad = 2*sizeof(int) -1;
+ ber_len_t *p = (ber_len_t *)ptr, *newptr;
if (ptr == NULL)
return slap_sl_malloc(size, ctx);
+#ifdef SLAP_NO_SL_MALLOC
+ return ber_memrealloc_x( ptr, size, NULL );
+#endif
+
/* Not our memory? */
if (!sh || ptr < sh->sh_base || ptr >= sh->sh_end) {
/* duplicate of realloc behavior, oh well */
- new = ber_memrealloc_x(ptr, size, NULL);
- if (new) {
- return new;
+ newptr = ber_memrealloc_x(ptr, size, NULL);
+ if (newptr) {
+ return newptr;
}
Debug(LDAP_DEBUG_ANY, "ch_realloc of %lu bytes failed\n",
(long) size, 0, 0);
}
if (sh->sh_stack) {
+ /* round up to doubleword boundary */
+ size += pad + sizeof( ber_len_t );
+ size &= ~pad;
+
/* Never shrink blocks */
if (size <= p[-1]) {
- new = p;
+ newptr = p;
/* If reallocing the last block, we can grow it */
} else if ((char *)ptr + p[-1] == sh->sh_last &&
(char *)ptr + size < (char *)sh->sh_end ) {
- new = p;
+ newptr = p;
sh->sh_last = (char *)sh->sh_last + size - p[-1];
p[-1] = size;
/* Nowhere to grow, need to alloc and copy */
} else {
- new = slap_sl_malloc(size, ctx);
- AC_MEMCPY(new, ptr, p[-1]);
+ newptr = slap_sl_malloc(size, ctx);
+ AC_MEMCPY(newptr, ptr, p[-1]);
}
- return new;
+ return newptr;
} else {
- void *newptr;
- newptr = slap_sl_malloc(size, ctx);
+ void *newptr2;
+
+ newptr2 = slap_sl_malloc(size, ctx);
if (size < p[-1]) {
- AC_MEMCPY(newptr, ptr, size);
+ AC_MEMCPY(newptr2, ptr, size);
} else {
- AC_MEMCPY(newptr, ptr, p[-1]);
+ AC_MEMCPY(newptr2, ptr, p[-1]);
}
slap_sl_free(ptr, ctx);
- return newptr;
+ return newptr2;
}
}
int order_start = -1, order = -1;
struct slab_object *so;
unsigned long diff;
- int i, k, inserted = 0;
+ int i, inserted = 0;
- Debug( LDAP_DEBUG_TRACE, "==> slap_sl_free \n", 0, 0, 0);
+ if (!ptr)
+ return;
+
+#ifdef SLAP_NO_SL_MALLOC
+ ber_memfree_x( ptr, NULL );
+ return;
+#endif
if (!sh || ptr < sh->sh_base || ptr >= sh->sh_end) {
ber_memfree_x(ptr, NULL);
Debug(LDAP_DEBUG_TRACE, "slap_sl_free: "
"free object not found while bit is clear.\n",
0, 0, 0);
- assert(so);
+ assert(so != NULL);
}
} else {
while (so) {
if ((char*)so->so_ptr == (char*)tmpp) {
LDAP_LIST_REMOVE(so, so_link);
- } else if ((char*)tmpp == so->so_ptr + order_size) {
+ } else if ((char*)tmpp == (char *)so->so_ptr + order_size) {
LDAP_LIST_REMOVE(so, so_link);
tmpp = so->so_ptr;
break;
Debug(LDAP_DEBUG_TRACE, "slap_sl_free: "
"free object not found while bit is clear.\n",
0, 0, 0 );
- assert( so );
+ assert(so != NULL);
}
} else {
void *
slap_sl_context( void *ptr )
{
- struct slab_heap *sh = NULL;
- void *ctx;
+ struct slab_heap *sh;
+ void *ctx, *sh_tmp;
+
+ if ( slapMode & SLAP_TOOL_MODE ) return NULL;
#ifdef NO_THREADS
sh = slheap;
#else
ctx = ldap_pvt_thread_pool_context();
- ldap_pvt_thread_pool_getkey(ctx, (void *)slap_sl_mem_init,
- (void **)&sh, NULL);
+ sh_tmp = NULL;
+ ldap_pvt_thread_pool_getkey(
+ ctx, (void *)slap_sl_mem_init, &sh_tmp, NULL);
+ sh = sh_tmp;
#endif
if (sh && ptr >= sh->sh_base && ptr <= sh->sh_end) {
return so_block;
}
+#ifdef SLAPD_UNUSED
static void
print_slheap(int level, void *ctx)
{
Debug(level, "free list:\n", 0, 0, 0);
so = LDAP_LIST_FIRST(&sh->sh_free[i-order_start]);
while (so) {
- Debug(level, "%x\n",so->so_ptr, 0, 0);
+ Debug(level, "%lx\n", (unsigned long) so->so_ptr, 0, 0);
so = LDAP_LIST_NEXT(so, so_link);
}
}
}
+#endif