-/*
+/*
* Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers
* Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved.
* Copyright (c) 1999-2004 Hewlett-Packard Development Company, L.P.
* provided the above notices are retained, and a notice that the code was
* modified is included with the above copyright notice.
*/
-
+
+#include "private/gc_priv.h"
+
#include <stdio.h>
#include <string.h>
-#include <errno.h>
-#include "private/gc_priv.h"
+#ifndef MSWINCE
+# include <errno.h>
+#endif
-extern void * GC_clear_stack(void *); /* in misc.c, behaves like identity */
-void GC_extend_size_map(size_t); /* in misc.c. */
+GC_INNER void GC_extend_size_map(size_t); /* in misc.c */
-/* Allocate reclaim list for kind: */
-/* Return TRUE on success */
+/* Allocate reclaim list for kind: */
+/* Return TRUE on success */
STATIC GC_bool GC_alloc_reclaim_list(struct obj_kind *kind)
{
struct hblk ** result = (struct hblk **)
- GC_scratch_alloc((MAXOBJGRANULES+1) * sizeof(struct hblk *));
+ GC_scratch_alloc((MAXOBJGRANULES+1) * sizeof(struct hblk *));
if (result == 0) return(FALSE);
BZERO(result, (MAXOBJGRANULES+1)*sizeof(struct hblk *));
kind -> ok_reclaim_list = result;
return(TRUE);
}
-/* Allocate a large block of size lb bytes. */
-/* The block is not cleared. */
-/* Flags is 0 or IGNORE_OFF_PAGE. */
-/* We hold the allocation lock. */
-/* EXTRA_BYTES were already added to lb. */
-ptr_t GC_alloc_large(size_t lb, int k, unsigned flags)
+GC_INNER GC_bool GC_collect_or_expand(word needed_blocks,
+ GC_bool ignore_off_page,
+ GC_bool retry); /* from alloc.c */
+
+/* Allocate a large block of size lb bytes. */
+/* The block is not cleared. */
+/* Flags is 0 or IGNORE_OFF_PAGE. */
+/* We hold the allocation lock. */
+/* EXTRA_BYTES were already added to lb. */
+GC_INNER ptr_t GC_alloc_large(size_t lb, int k, unsigned flags)
{
struct hblk * h;
word n_blocks;
ptr_t result;
-
+ GC_bool retry = FALSE;
+
/* Round up to a multiple of a granule. */
lb = (lb + GRANULE_BYTES - 1) & ~(GRANULE_BYTES - 1);
n_blocks = OBJ_SZ_TO_BLOCKS(lb);
- if (!GC_is_initialized) GC_init_inner();
+ if (!GC_is_initialized) GC_init();
/* Do our share of marking work */
- if(GC_incremental && !GC_dont_gc)
- GC_collect_a_little_inner((int)n_blocks);
+ if (GC_incremental && !GC_dont_gc)
+ GC_collect_a_little_inner((int)n_blocks);
h = GC_allochblk(lb, k, flags);
# ifdef USE_MUNMAP
- if (0 == h) {
- GC_merge_unmapped();
- h = GC_allochblk(lb, k, flags);
- }
+ if (0 == h) {
+ GC_merge_unmapped();
+ h = GC_allochblk(lb, k, flags);
+ }
# endif
- while (0 == h && GC_collect_or_expand(n_blocks, (flags != 0))) {
- h = GC_allochblk(lb, k, flags);
+ while (0 == h && GC_collect_or_expand(n_blocks, flags != 0, retry)) {
+ h = GC_allochblk(lb, k, flags);
+ retry = TRUE;
}
if (h == 0) {
- result = 0;
+ result = 0;
} else {
- size_t total_bytes = n_blocks * HBLKSIZE;
- if (n_blocks > 1) {
- GC_large_allocd_bytes += total_bytes;
- if (GC_large_allocd_bytes > GC_max_large_allocd_bytes)
- GC_max_large_allocd_bytes = GC_large_allocd_bytes;
- }
- result = h -> hb_body;
+ size_t total_bytes = n_blocks * HBLKSIZE;
+ if (n_blocks > 1) {
+ GC_large_allocd_bytes += total_bytes;
+ if (GC_large_allocd_bytes > GC_max_large_allocd_bytes)
+ GC_max_large_allocd_bytes = GC_large_allocd_bytes;
+ }
+ result = h -> hb_body;
}
return result;
}
-
-/* Allocate a large block of size lb bytes. Clear if appropriate. */
-/* We hold the allocation lock. */
-/* EXTRA_BYTES were already added to lb. */
-ptr_t GC_alloc_large_and_clear(size_t lb, int k, unsigned flags)
+/* Allocate a large block of size lb bytes. Clear if appropriate. */
+/* We hold the allocation lock. */
+/* EXTRA_BYTES were already added to lb. */
+STATIC ptr_t GC_alloc_large_and_clear(size_t lb, int k, unsigned flags)
{
ptr_t result = GC_alloc_large(lb, k, flags);
word n_blocks = OBJ_SZ_TO_BLOCKS(lb);
if (0 == result) return 0;
if (GC_debugging_started || GC_obj_kinds[k].ok_init) {
- /* Clear the whole block, in case of GC_realloc call. */
- BZERO(result, n_blocks * HBLKSIZE);
+ /* Clear the whole block, in case of GC_realloc call. */
+ BZERO(result, n_blocks * HBLKSIZE);
}
return result;
}
-/* allocate lb bytes for an object of kind k. */
-/* Should not be used to directly to allocate */
-/* objects such as STUBBORN objects that */
-/* require special handling on allocation. */
-/* First a version that assumes we already */
-/* hold lock: */
-void * GC_generic_malloc_inner(size_t lb, int k)
+/* allocate lb bytes for an object of kind k. */
+/* Should not be used to directly to allocate */
+/* objects such as STUBBORN objects that */
+/* require special handling on allocation. */
+/* First a version that assumes we already */
+/* hold lock: */
+GC_INNER void * GC_generic_malloc_inner(size_t lb, int k)
{
void *op;
if(SMALL_OBJ(lb)) {
struct obj_kind * kind = GC_obj_kinds + k;
- size_t lg = GC_size_map[lb];
- void ** opp = &(kind -> ok_freelist[lg]);
+ size_t lg = GC_size_map[lb];
+ void ** opp = &(kind -> ok_freelist[lg]);
if( (op = *opp) == 0 ) {
- if (GC_size_map[lb] == 0) {
- if (!GC_is_initialized) GC_init_inner();
- if (GC_size_map[lb] == 0) GC_extend_size_map(lb);
- return(GC_generic_malloc_inner(lb, k));
- }
- if (kind -> ok_reclaim_list == 0) {
- if (!GC_alloc_reclaim_list(kind)) goto out;
- }
- op = GC_allocobj(lg, k);
- if (op == 0) goto out;
+ if (GC_size_map[lb] == 0) {
+ if (!GC_is_initialized) GC_init();
+ if (GC_size_map[lb] == 0) GC_extend_size_map(lb);
+ return(GC_generic_malloc_inner(lb, k));
+ }
+ if (kind -> ok_reclaim_list == 0) {
+ if (!GC_alloc_reclaim_list(kind)) goto out;
+ }
+ op = GC_allocobj(lg, k);
+ if (op == 0) goto out;
}
*opp = obj_link(op);
obj_link(op) = 0;
GC_bytes_allocd += GRANULES_TO_BYTES(lg);
} else {
- op = (ptr_t)GC_alloc_large_and_clear(ADD_SLOP(lb), k, 0);
+ op = (ptr_t)GC_alloc_large_and_clear(ADD_SLOP(lb), k, 0);
GC_bytes_allocd += lb;
}
-
+
out:
return op;
}
/* Allocate a composite object of size n bytes. The caller guarantees */
/* that pointers past the first page are not relevant. Caller holds */
/* allocation lock. */
-void * GC_generic_malloc_inner_ignore_off_page(size_t lb, int k)
+GC_INNER void * GC_generic_malloc_inner_ignore_off_page(size_t lb, int k)
{
word lb_adjusted;
void * op;
return op;
}
-void * GC_generic_malloc(size_t lb, int k)
+GC_API void * GC_CALL GC_generic_malloc(size_t lb, int k)
{
void * result;
DCL_LOCK_STATE;
if (GC_have_errors) GC_print_all_errors();
GC_INVOKE_FINALIZERS();
if (SMALL_OBJ(lb)) {
- LOCK();
+ LOCK();
result = GC_generic_malloc_inner((word)lb, k);
- UNLOCK();
+ UNLOCK();
} else {
- size_t lg;
- size_t lb_rounded;
- word n_blocks;
- GC_bool init;
- lg = ROUNDED_UP_GRANULES(lb);
- lb_rounded = GRANULES_TO_BYTES(lg);
- n_blocks = OBJ_SZ_TO_BLOCKS(lb_rounded);
- init = GC_obj_kinds[k].ok_init;
- LOCK();
- result = (ptr_t)GC_alloc_large(lb_rounded, k, 0);
- if (0 != result) {
- if (GC_debugging_started) {
- BZERO(result, n_blocks * HBLKSIZE);
- } else {
+ size_t lg;
+ size_t lb_rounded;
+ word n_blocks;
+ GC_bool init;
+ lg = ROUNDED_UP_GRANULES(lb);
+ lb_rounded = GRANULES_TO_BYTES(lg);
+ n_blocks = OBJ_SZ_TO_BLOCKS(lb_rounded);
+ init = GC_obj_kinds[k].ok_init;
+ LOCK();
+ result = (ptr_t)GC_alloc_large(lb_rounded, k, 0);
+ if (0 != result) {
+ if (GC_debugging_started) {
+ BZERO(result, n_blocks * HBLKSIZE);
+ } else {
# ifdef THREADS
- /* Clear any memory that might be used for GC descriptors */
- /* before we release the lock. */
- ((word *)result)[0] = 0;
- ((word *)result)[1] = 0;
- ((word *)result)[GRANULES_TO_WORDS(lg)-1] = 0;
- ((word *)result)[GRANULES_TO_WORDS(lg)-2] = 0;
-# endif
- }
- }
- GC_bytes_allocd += lb_rounded;
- UNLOCK();
- if (init && !GC_debugging_started && 0 != result) {
- BZERO(result, n_blocks * HBLKSIZE);
+ /* Clear any memory that might be used for GC descriptors */
+ /* before we release the lock. */
+ ((word *)result)[0] = 0;
+ ((word *)result)[1] = 0;
+ ((word *)result)[GRANULES_TO_WORDS(lg)-1] = 0;
+ ((word *)result)[GRANULES_TO_WORDS(lg)-2] = 0;
+# endif
+ }
+ }
+ GC_bytes_allocd += lb_rounded;
+ UNLOCK();
+ if (init && !GC_debugging_started && 0 != result) {
+ BZERO(result, n_blocks * HBLKSIZE);
}
}
if (0 == result) {
- return((*GC_oom_fn)(lb));
+ return((*GC_get_oom_fn())(lb));
} else {
return(result);
}
-}
-
-
-#define GENERAL_MALLOC(lb,k) \
- GC_clear_stack(GC_generic_malloc(lb, k))
-/* We make the GC_clear_stack_call a tail call, hoping to get more of */
-/* the stack. */
+}
/* Allocate lb bytes of atomic (pointerfree) data */
#ifdef THREAD_LOCAL_ALLOC
- void * GC_core_malloc_atomic(size_t lb)
+ GC_INNER void * GC_core_malloc_atomic(size_t lb)
#else
GC_API void * GC_CALL GC_malloc_atomic(size_t lb)
#endif
DCL_LOCK_STATE;
if(SMALL_OBJ(lb)) {
- lg = GC_size_map[lb];
- opp = &(GC_aobjfreelist[lg]);
- LOCK();
+ lg = GC_size_map[lb];
+ opp = &(GC_aobjfreelist[lg]);
+ LOCK();
if( EXPECT((op = *opp) == 0, 0) ) {
UNLOCK();
return(GENERAL_MALLOC((word)lb, PTRFREE));
GC_API char * GC_CALL GC_strdup(const char *s)
{
char *copy;
-
+ size_t lb;
if (s == NULL) return NULL;
- if ((copy = GC_malloc_atomic(strlen(s) + 1)) == NULL) {
- errno = ENOMEM;
+ lb = strlen(s) + 1;
+ if ((copy = GC_malloc_atomic(lb)) == NULL) {
+# ifndef MSWINCE
+ errno = ENOMEM;
+# endif
return NULL;
}
- strcpy(copy, s);
+# ifndef MSWINCE
+ strcpy(copy, s);
+# else
+ /* strcpy() is deprecated in WinCE */
+ memcpy(copy, s, lb);
+# endif
return copy;
}
/* Allocate lb bytes of composite (pointerful) data */
#ifdef THREAD_LOCAL_ALLOC
- void * GC_core_malloc(size_t lb)
+ GC_INNER void * GC_core_malloc(size_t lb)
#else
GC_API void * GC_CALL GC_malloc(size_t lb)
#endif
DCL_LOCK_STATE;
if(SMALL_OBJ(lb)) {
- lg = GC_size_map[lb];
- opp = (void **)&(GC_objfreelist[lg]);
- LOCK();
+ lg = GC_size_map[lb];
+ opp = (void **)&(GC_objfreelist[lg]);
+ LOCK();
if( EXPECT((op = *opp) == 0, 0) ) {
UNLOCK();
return(GENERAL_MALLOC((word)lb, NORMAL));
}
- /* See above comment on signals. */
- GC_ASSERT(0 == obj_link(op)
- || ((word)obj_link(op)
- <= (word)GC_greatest_plausible_heap_addr
- && (word)obj_link(op)
- >= (word)GC_least_plausible_heap_addr));
+ GC_ASSERT(0 == obj_link(op)
+ || ((word)obj_link(op)
+ <= (word)GC_greatest_plausible_heap_addr
+ && (word)obj_link(op)
+ >= (word)GC_least_plausible_heap_addr));
*opp = obj_link(op);
obj_link(op) = 0;
GC_bytes_allocd += GRANULES_TO_BYTES(lg);
# ifdef REDIRECT_MALLOC
-/* Avoid unnecessary nested procedure calls here, by #defining some */
-/* malloc replacements. Otherwise we end up saving a */
-/* meaningless return address in the object. It also speeds things up, */
-/* but it is admittedly quite ugly. */
+/* Avoid unnecessary nested procedure calls here, by #defining some */
+/* malloc replacements. Otherwise we end up saving a */
+/* meaningless return address in the object. It also speeds things up, */
+/* but it is admittedly quite ugly. */
# ifdef GC_ADD_CALLER
# define RA GC_RETURN_ADDR,
# else
# define RA
# endif
# define GC_debug_malloc_replacement(lb) \
- GC_debug_malloc(lb, RA "unknown", 0)
+ GC_debug_malloc(lb, RA "unknown", 0)
void * malloc(size_t lb)
- {
- /* It might help to manually inline the GC_malloc call here. */
- /* But any decent compiler should reduce the extra procedure call */
- /* to at most a jump instruction in this case. */
+{
+ /* It might help to manually inline the GC_malloc call here. */
+ /* But any decent compiler should reduce the extra procedure call */
+ /* to at most a jump instruction in this case. */
# if defined(I386) && defined(GC_SOLARIS_THREADS)
/*
* Thread initialisation can call malloc before
if (!GC_is_initialized) return sbrk(lb);
# endif /* I386 && GC_SOLARIS_THREADS */
return((void *)REDIRECT_MALLOC(lb));
- }
+}
#if defined(GC_LINUX_THREADS) /* && !defined(USE_PROC_FOR_LIBRARIES) */
- static ptr_t GC_libpthread_start = 0;
- static ptr_t GC_libpthread_end = 0;
- static ptr_t GC_libld_start = 0;
- static ptr_t GC_libld_end = 0;
- extern GC_bool GC_text_mapping(char *nm, ptr_t *startp, ptr_t *endp);
- /* From os_dep.c */
+ STATIC ptr_t GC_libpthread_start = 0;
+ STATIC ptr_t GC_libpthread_end = 0;
+ STATIC ptr_t GC_libld_start = 0;
+ STATIC ptr_t GC_libld_end = 0;
+ GC_INNER GC_bool GC_text_mapping(char *nm, ptr_t *startp, ptr_t *endp);
+ /* From os_dep.c */
STATIC void GC_init_lib_bounds(void)
{
if (GC_libpthread_start != 0) return;
if (!GC_text_mapping("libpthread-",
- &GC_libpthread_start, &GC_libpthread_end)) {
- WARN("Failed to find libpthread.so text mapping: Expect crash\n", 0);
- /* This might still work with some versions of libpthread, */
- /* so we don't abort. Perhaps we should. */
- /* Generate message only once: */
+ &GC_libpthread_start, &GC_libpthread_end)) {
+ WARN("Failed to find libpthread.so text mapping: Expect crash\n", 0);
+ /* This might still work with some versions of libpthread, */
+ /* so we don't abort. Perhaps we should. */
+ /* Generate message only once: */
GC_libpthread_start = (ptr_t)1;
}
if (!GC_text_mapping("ld-", &GC_libld_start, &GC_libld_end)) {
- WARN("Failed to find ld.so text mapping: Expect crash\n", 0);
+ WARN("Failed to find ld.so text mapping: Expect crash\n", 0);
}
}
#endif
void * calloc(size_t n, size_t lb)
{
# if defined(GC_LINUX_THREADS) /* && !defined(USE_PROC_FOR_LIBRARIES) */
- /* libpthread allocated some memory that is only pointed to by */
- /* mmapped thread stacks. Make sure it's not collectable. */
- {
- static GC_bool lib_bounds_set = FALSE;
- ptr_t caller = (ptr_t)__builtin_return_address(0);
- /* This test does not need to ensure memory visibility, since */
- /* the bounds will be set when/if we create another thread. */
- if (!lib_bounds_set) {
- GC_init_lib_bounds();
- lib_bounds_set = TRUE;
- }
- if (caller >= GC_libpthread_start && caller < GC_libpthread_end
- || (caller >= GC_libld_start && caller < GC_libld_end))
- return GC_malloc_uncollectable(n*lb);
- /* The two ranges are actually usually adjacent, so there may */
- /* be a way to speed this up. */
- }
+ /* libpthread allocated some memory that is only pointed to by */
+ /* mmapped thread stacks. Make sure it's not collectable. */
+ {
+ static GC_bool lib_bounds_set = FALSE;
+ ptr_t caller = (ptr_t)__builtin_return_address(0);
+ /* This test does not need to ensure memory visibility, since */
+ /* the bounds will be set when/if we create another thread. */
+ if (!lib_bounds_set) {
+ GC_init_lib_bounds();
+ lib_bounds_set = TRUE;
+ }
+ if (caller >= GC_libpthread_start && caller < GC_libpthread_end
+ || (caller >= GC_libld_start && caller < GC_libld_end))
+ return GC_malloc_uncollectable(n*lb);
+ /* The two ranges are actually usually adjacent, so there may */
+ /* be a way to speed this up. */
+ }
# endif
return((void *)REDIRECT_MALLOC(n*lb));
}
}
#endif /* !defined(strdup) */
/* If strdup is macro defined, we assume that it actually calls malloc, */
- /* and thus the right thing will happen even without overriding it. */
- /* This seems to be true on most Linux systems. */
+ /* and thus the right thing will happen even without overriding it. */
+ /* This seems to be true on most Linux systems. */
#undef GC_debug_malloc_replacement
# endif /* REDIRECT_MALLOC */
-/* Explicitly deallocate an object p. */
+/* Explicitly deallocate an object p. */
GC_API void GC_CALL GC_free(void * p)
{
struct hblk *h;
hdr *hhdr;
size_t sz; /* In bytes */
- size_t ngranules; /* sz in granules */
+ size_t ngranules; /* sz in granules */
void **flh;
int knd;
struct obj_kind * ok;
DCL_LOCK_STATE;
if (p == 0) return;
- /* Required by ANSI. It's not my fault ... */
+ /* Required by ANSI. It's not my fault ... */
# ifdef LOG_ALLOCS
GC_err_printf("GC_free(%p): %lu\n", p, (unsigned long)GC_gc_no);
# endif
h = HBLKPTR(p);
hhdr = HDR(h);
# if defined(REDIRECT_MALLOC) && \
- (defined(GC_SOLARIS_THREADS) || defined(GC_LINUX_THREADS) \
- || defined(MSWIN32))
- /* For Solaris, we have to redirect malloc calls during */
- /* initialization. For the others, this seems to happen */
- /* implicitly. */
- /* Don't try to deallocate that memory. */
- if (0 == hhdr) return;
+ (defined(GC_SOLARIS_THREADS) || defined(GC_LINUX_THREADS) \
+ || defined(MSWIN32))
+ /* For Solaris, we have to redirect malloc calls during */
+ /* initialization. For the others, this seems to happen */
+ /* implicitly. */
+ /* Don't try to deallocate that memory. */
+ if (0 == hhdr) return;
# endif
GC_ASSERT(GC_base(p) == p);
sz = hhdr -> hb_sz;
knd = hhdr -> hb_obj_kind;
ok = &GC_obj_kinds[knd];
if (EXPECT((ngranules <= MAXOBJGRANULES), 1)) {
- LOCK();
- GC_bytes_freed += sz;
- if (IS_UNCOLLECTABLE(knd)) GC_non_gc_bytes -= sz;
- /* Its unnecessary to clear the mark bit. If the */
- /* object is reallocated, it doesn't matter. O.w. the */
- /* collector will do it, since it's on a free list. */
- if (ok -> ok_init) {
- BZERO((word *)p + 1, sz-sizeof(word));
- }
- flh = &(ok -> ok_freelist[ngranules]);
- obj_link(p) = *flh;
- *flh = (ptr_t)p;
- UNLOCK();
+ LOCK();
+ GC_bytes_freed += sz;
+ if (IS_UNCOLLECTABLE(knd)) GC_non_gc_bytes -= sz;
+ /* Its unnecessary to clear the mark bit. If the */
+ /* object is reallocated, it doesn't matter. O.w. the */
+ /* collector will do it, since it's on a free list. */
+ if (ok -> ok_init) {
+ BZERO((word *)p + 1, sz-sizeof(word));
+ }
+ flh = &(ok -> ok_freelist[ngranules]);
+ obj_link(p) = *flh;
+ *flh = (ptr_t)p;
+ UNLOCK();
} else {
size_t nblocks = OBJ_SZ_TO_BLOCKS(sz);
LOCK();
GC_bytes_freed += sz;
- if (IS_UNCOLLECTABLE(knd)) GC_non_gc_bytes -= sz;
- if (nblocks > 1) {
- GC_large_allocd_bytes -= nblocks * HBLKSIZE;
- }
+ if (IS_UNCOLLECTABLE(knd)) GC_non_gc_bytes -= sz;
+ if (nblocks > 1) {
+ GC_large_allocd_bytes -= nblocks * HBLKSIZE;
+ }
GC_freehblk(h);
UNLOCK();
}
}
-/* Explicitly deallocate an object p when we already hold lock. */
-/* Only used for internally allocated objects, so we can take some */
-/* shortcuts. */
+/* Explicitly deallocate an object p when we already hold lock. */
+/* Only used for internally allocated objects, so we can take some */
+/* shortcuts. */
#ifdef THREADS
-void GC_free_inner(void * p)
-{
+ GC_INNER void GC_free_inner(void * p)
+ {
struct hblk *h;
hdr *hhdr;
size_t sz; /* bytes */
ngranules = BYTES_TO_GRANULES(sz);
ok = &GC_obj_kinds[knd];
if (ngranules <= MAXOBJGRANULES) {
- GC_bytes_freed += sz;
- if (IS_UNCOLLECTABLE(knd)) GC_non_gc_bytes -= sz;
- if (ok -> ok_init) {
- BZERO((word *)p + 1, sz-sizeof(word));
- }
- flh = &(ok -> ok_freelist[ngranules]);
- obj_link(p) = *flh;
- *flh = (ptr_t)p;
+ GC_bytes_freed += sz;
+ if (IS_UNCOLLECTABLE(knd)) GC_non_gc_bytes -= sz;
+ if (ok -> ok_init) {
+ BZERO((word *)p + 1, sz-sizeof(word));
+ }
+ flh = &(ok -> ok_freelist[ngranules]);
+ obj_link(p) = *flh;
+ *flh = (ptr_t)p;
} else {
size_t nblocks = OBJ_SZ_TO_BLOCKS(sz);
GC_bytes_freed += sz;
- if (IS_UNCOLLECTABLE(knd)) GC_non_gc_bytes -= sz;
- if (nblocks > 1) {
- GC_large_allocd_bytes -= nblocks * HBLKSIZE;
- }
+ if (IS_UNCOLLECTABLE(knd)) GC_non_gc_bytes -= sz;
+ if (nblocks > 1) {
+ GC_large_allocd_bytes -= nblocks * HBLKSIZE;
+ }
GC_freehblk(h);
}
-}
+ }
#endif /* THREADS */
-# if defined(REDIRECT_MALLOC) && !defined(REDIRECT_FREE)
-# define REDIRECT_FREE GC_free
-# endif
-# ifdef REDIRECT_FREE
+#if defined(REDIRECT_MALLOC) && !defined(REDIRECT_FREE)
+# define REDIRECT_FREE GC_free
+#endif
+
+#ifdef REDIRECT_FREE
void free(void * p)
{
# if defined(GC_LINUX_THREADS) && !defined(USE_PROC_FOR_LIBRARIES)
- {
- /* Don't bother with initialization checks. If nothing */
- /* has been initialized, the check fails, and that's safe, */
- /* since we haven't allocated uncollectable objects either. */
- ptr_t caller = (ptr_t)__builtin_return_address(0);
- /* This test does not need to ensure memory visibility, since */
- /* the bounds will be set when/if we create another thread. */
- if (caller >= GC_libpthread_start && caller < GC_libpthread_end
- || (caller >= GC_libld_start && caller < GC_libld_end)) {
- GC_free(p);
- return;
- }
- }
+ {
+ /* Don't bother with initialization checks. If nothing */
+ /* has been initialized, the check fails, and that's safe, */
+ /* since we haven't allocated uncollectable objects either. */
+ ptr_t caller = (ptr_t)__builtin_return_address(0);
+ /* This test does not need to ensure memory visibility, since */
+ /* the bounds will be set when/if we create another thread. */
+ if (caller >= GC_libpthread_start && caller < GC_libpthread_end
+ || (caller >= GC_libld_start && caller < GC_libld_end)) {
+ GC_free(p);
+ return;
+ }
+ }
# endif
# ifndef IGNORE_FREE
REDIRECT_FREE(p);
# endif
}
-# endif /* REDIRECT_MALLOC */
+#endif /* REDIRECT_FREE */
projects / cacao.git / blobdiff