Stats stats;
}
+// call locked if necessary
+private T locked(T, alias Code)()
+{
+ if (thread_needLock())
+ synchronized (gc.lock) return Code();
+ else
+ return Code();
+}
+
private GC* gc;
bool Invariant()
/**
- *
+ * Determine the base address of the block containing p. If p is not a gc
+ * allocated pointer, return null.
*/
BlkInfo getInfo(void* p)
{
+ assert (p !is null);
+
Pool* pool;
BlkInfo info;
* Mark all memory in the pool as B_FREE.
* Return the actual number of bytes reserved or 0 on error.
*/
-size_t reserveNoSync(size_t size)
+size_t reserve(size_t size)
{
assert(size != 0);
size_t npages = (size + PAGESIZE - 1) / PAGESIZE;
/**
* Minimizes physical memory usage by returning free pools to the OS.
*/
-void minimizeNoSync()
+void minimize()
{
size_t n;
size_t pn;
}
-/**
- *
- */
-void enable()
-{
- if (!thread_needLock())
- {
- assert(gc.disabled > 0);
- gc.disabled--;
- }
- else synchronized (gc.lock)
- {
- assert(gc.disabled > 0);
- gc.disabled--;
- }
-}
-
-
-/**
- *
- */
-void disable()
-{
- if (!thread_needLock())
- {
- gc.disabled++;
- }
- else synchronized (gc.lock)
- {
- gc.disabled++;
- }
-}
-
-
-/**
- *
- */
-uint getAttr(void* p)
-{
- if (!p)
- {
- return 0;
- }
-
- uint go()
- {
- Pool* pool = findPool(p);
- uint old_attrs = 0;
-
- if (pool)
- {
- auto bit_i = cast(size_t)(p - pool.baseAddr) / 16;
-
- old_attrs = getAttr(pool, bit_i);
- }
- return old_attrs;
- }
-
- if (!thread_needLock())
- {
- return go();
- }
- else synchronized (gc.lock)
- {
- return go();
- }
-}
-
-
-/**
- *
- */
-uint setAttr(void* p, uint mask)
-{
- if (!p)
- {
- return 0;
- }
-
- uint go()
- {
- Pool* pool = findPool(p);
- uint old_attrs = 0;
-
- if (pool)
- {
- auto bit_i = cast(size_t)(p - pool.baseAddr) / 16;
-
- old_attrs = getAttr(pool, bit_i);
- setAttr(pool, bit_i, mask);
- }
- return old_attrs;
- }
-
- if (!thread_needLock())
- {
- return go();
- }
- else synchronized (gc.lock)
- {
- return go();
- }
-}
-
-
-/**
- *
- */
-uint clrAttr(void* p, uint mask)
-{
- if (!p)
- {
- return 0;
- }
-
- uint go()
- {
- Pool* pool = findPool(p);
- uint old_attrs = 0;
-
- if (pool)
- {
- auto bit_i = cast(size_t)(p - pool.baseAddr) / 16;
-
- old_attrs = getAttr(pool, bit_i);
- clrAttr(pool, bit_i, mask);
- }
- return old_attrs;
- }
-
- if (!thread_needLock())
- {
- return go();
- }
- else synchronized (gc.lock)
- {
- return go();
- }
-}
-
-
-/**
- *
- */
-void *malloc(size_t size, uint attrs, PointerMap ptrmap)
-{
- if (!size)
- {
- return null;
- }
-
- if (!thread_needLock())
- {
- return mallocNoSync(size, attrs, ptrmap.bits.ptr);
- }
- else synchronized (gc.lock)
- {
- return mallocNoSync(size, attrs, ptrmap.bits.ptr);
- }
-}
-
-
//
//
//
-private void *mallocNoSync(size_t size, uint attrs, size_t* pm_bitmask)
+private void *malloc(size_t size, uint attrs, size_t* pm_bitmask)
{
assert(size != 0);
}
-/**
- *
- */
-void *calloc(size_t size, uint attrs, PointerMap ptrmap)
-{
- if (!size)
- {
- return null;
- }
-
- if (!thread_needLock())
- {
- return callocNoSync(size, attrs, ptrmap.bits.ptr);
- }
- else synchronized (gc.lock)
- {
- return callocNoSync(size, attrs, ptrmap.bits.ptr);
- }
-}
-
-
//
//
//
-private void *callocNoSync(size_t size, uint attrs, size_t* pm_bitmask)
+private void *calloc(size_t size, uint attrs, size_t* pm_bitmask)
{
assert(size != 0);
- void *p = mallocNoSync(size, attrs, pm_bitmask);
+ void *p = malloc(size, attrs, pm_bitmask);
memset(p, 0, size);
return p;
}
-/**
- *
- */
-void *realloc(void *p, size_t size, uint attrs, PointerMap ptrmap)
-{
- if (!thread_needLock())
- {
- return reallocNoSync(p, size, attrs, ptrmap.bits.ptr);
- }
- else synchronized (gc.lock)
- {
- return reallocNoSync(p, size, attrs, ptrmap.bits.ptr);
- }
-}
-
-
//
//
//
-private void *reallocNoSync(void *p, size_t size, uint attrs,
+private void *realloc(void *p, size_t size, uint attrs,
size_t* pm_bitmask)
{
if (!size)
{
if (p)
{
- freeNoSync(p);
+ free(p);
p = null;
}
}
else if (!p)
{
- p = mallocNoSync(size, attrs, pm_bitmask);
+ p = malloc(size, attrs, pm_bitmask);
}
else
{
size_t sentinel_stored_size = *sentinel_size(p);
if (sentinel_stored_size != size)
{
- void* p2 = mallocNoSync(size, attrs, pm_bitmask);
+ void* p2 = malloc(size, attrs, pm_bitmask);
if (sentinel_stored_size < size)
size = sentinel_stored_size;
cstring.memcpy(p2, p, size);
if (newsz < psz)
{
// Shrink in place
- synchronized (gc.lock)
- {
- if (opts.options.mem_stomp)
- memset(p + size - pm_bitmask_size, 0xF2,
- blk_size - size - pm_bitmask_size);
- pool.freePages(pagenum + newsz, psz - newsz);
- }
+ if (opts.options.mem_stomp)
+ memset(p + size - pm_bitmask_size, 0xF2,
+ blk_size - size - pm_bitmask_size);
+ pool.freePages(pagenum + newsz, psz - newsz);
if (has_pm) {
auto end_of_blk = cast(size_t**)(
blk_base_addr + (PAGESIZE * newsz) -
else if (pagenum + newsz <= pool.npages)
{
// Attempt to expand in place
- synchronized (gc.lock)
+ for (size_t i = pagenum + psz; 1;)
{
- for (size_t i = pagenum + psz; 1;)
+ if (i == pagenum + newsz)
{
- if (i == pagenum + newsz)
- {
- if (opts.options.mem_stomp)
- memset(p + blk_size - pm_bitmask_size,
- 0xF0, size - blk_size
- - pm_bitmask_size);
- memset(pool.pagetable + pagenum +
- psz, B_PAGEPLUS, newsz - psz);
- if (has_pm) {
- auto end_of_blk = cast(size_t**)(
- blk_base_addr +
- (PAGESIZE * newsz) -
- pm_bitmask_size);
- *end_of_blk = pm_bitmask;
- }
- return p;
+ if (opts.options.mem_stomp)
+ memset(p + blk_size - pm_bitmask_size,
+ 0xF0, size - blk_size
+ - pm_bitmask_size);
+ memset(pool.pagetable + pagenum +
+ psz, B_PAGEPLUS, newsz - psz);
+ if (has_pm) {
+ auto end_of_blk = cast(size_t**)(
+ blk_base_addr +
+ (PAGESIZE * newsz) -
+ pm_bitmask_size);
+ *end_of_blk = pm_bitmask;
}
- if (i == pool.npages)
- {
- break;
- }
- if (pool.pagetable[i] != B_FREE)
- break;
- i++;
+ return p;
+ }
+ if (i == pool.npages)
+ {
+ break;
}
+ if (pool.pagetable[i] != B_FREE)
+ break;
+ i++;
}
}
}
{
size -= pm_bitmask_size;
blk_size -= pm_bitmask_size;
- void* p2 = mallocNoSync(size, attrs, pm_bitmask);
+ void* p2 = malloc(size, attrs, pm_bitmask);
if (blk_size < size)
size = blk_size;
cstring.memcpy(p2, p, size);
/**
* Attempt to in-place enlarge the memory block pointed to by p by at least
- * minbytes beyond its current capacity, up to a maximum of maxsize. This
+ * min_size beyond its current capacity, up to a maximum of max_size. This
* does not attempt to move the memory block (like realloc() does).
*
* Returns:
* 0 if could not extend p,
* total size of entire memory block if successful.
*/
-size_t extend(void* p, size_t minsize, size_t maxsize)
-{
- if (!thread_needLock())
- {
- return extendNoSync(p, minsize, maxsize);
- }
- else synchronized (gc.lock)
- {
- return extendNoSync(p, minsize, maxsize);
- }
-}
-
-
-//
-//
-//
-private size_t extendNoSync(void* p, size_t minsize, size_t maxsize)
+private size_t extend(void* p, size_t minsize, size_t maxsize)
in
{
assert( minsize <= maxsize );
}
-/**
- *
- */
-size_t reserve(size_t size)
-{
- if (!size)
- {
- return 0;
- }
-
- if (!thread_needLock())
- {
- return reserveNoSync(size);
- }
- else synchronized (gc.lock)
- {
- return reserveNoSync(size);
- }
-}
-
-
-/**
- *
- */
-void free(void *p)
-{
- if (!p)
- {
- return;
- }
-
- if (!thread_needLock())
- {
- return freeNoSync(p);
- }
- else synchronized (gc.lock)
- {
- return freeNoSync(p);
- }
-}
-
-
//
//
//
-private void freeNoSync(void *p)
+private void free(void *p)
{
assert (p);
}
-/**
- * Determine the base address of the block containing p. If p is not a gc
- * allocated pointer, return null.
- */
-void* addrOf(void *p)
-{
- if (!p)
- {
- return null;
- }
-
- if (!thread_needLock())
- {
- return addrOfNoSync(p);
- }
- else synchronized (gc.lock)
- {
- return addrOfNoSync(p);
- }
-}
-
-
-//
-//
-//
-void* addrOfNoSync(void *p)
-{
- if (!p)
- {
- return null;
- }
-
- return findBase(p);
-}
-
-
/**
* Determine the allocated size of pointer p. If p is an interior pointer
* or not a gc allocated pointer, return 0.
*/
-size_t sizeOf(void *p)
-{
- if (!p)
- {
- return 0;
- }
-
- if (!thread_needLock())
- {
- return sizeOfNoSync(p);
- }
- else synchronized (gc.lock)
- {
- return sizeOfNoSync(p);
- }
-}
-
-
-//
-//
-//
-private size_t sizeOfNoSync(void *p)
+private size_t sizeOf(void *p)
{
assert (p);
}
-/**
- * Determine the base address of the block containing p. If p is not a gc
- * allocated pointer, return null.
- */
-BlkInfo query(void *p)
-{
- if (!p)
- {
- BlkInfo i;
- return i;
- }
-
- if (!thread_needLock())
- {
- return queryNoSync(p);
- }
- else synchronized (gc.lock)
- {
- return queryNoSync(p);
- }
-}
-
-
-//
-//
-//
-BlkInfo queryNoSync(void *p)
-{
- assert(p);
-
- return getInfo(p);
-}
-
-
/**
* Verify that pointer p:
* 1) belongs to this memory pool
* 2) points to the start of an allocated piece of memory
* 3) is not on a free list
*/
-void check(void *p)
-{
- if (!p)
- {
- return;
- }
-
- if (!thread_needLock())
- {
- checkNoSync(p);
- }
- else synchronized (gc.lock)
- {
- checkNoSync(p);
- }
-}
-
-
-//
-//
-//
private void checkNoSync(void *p)
{
assert(p);
}
-/**
- * add p to list of roots
- */
-void addRoot(void *p)
-{
- if (!p)
- {
- return;
- }
-
- if (!thread_needLock())
- {
- if (gc.roots.append(p) is null)
- onOutOfMemoryError();
- }
- else synchronized (gc.lock)
- {
- if (gc.roots.append(p) is null)
- onOutOfMemoryError();
- }
-}
-
-
-/**
- * remove p from list of roots
- */
-void removeRoot(void *p)
-{
- if (!p)
- {
- return;
- }
-
- bool r;
- if (!thread_needLock())
- {
- r = gc.roots.remove(p);
- }
- else synchronized (gc.lock)
- {
- r = gc.roots.remove(p);
- }
- assert (r);
-}
-
-
-/**
- * add range to scan for roots
- */
-void addRange(void *p, size_t sz)
-{
- if (!p || !sz)
- {
- return;
- }
-
- if (!thread_needLock())
- {
- if (gc.ranges.append(Range(p, p+sz)) is null)
- onOutOfMemoryError();
- }
- else synchronized (gc.lock)
- {
- if (gc.ranges.append(Range(p, p+sz)) is null)
- onOutOfMemoryError();
- }
-}
-
-
-/**
- * remove range
- */
-void removeRange(void *p)
-{
- if (!p)
- {
- return;
- }
-
- bool r;
- if (!thread_needLock())
- {
- r = gc.ranges.remove(Range(p, null));
- }
- else synchronized (gc.lock)
- {
- r = gc.ranges.remove(Range(p, null));
- }
- assert (r);
-}
-
-
-/**
- * do full garbage collection
- */
-void fullCollect()
-{
-
- if (!thread_needLock())
- {
- fullcollectshell();
- }
- else synchronized (gc.lock)
- {
- fullcollectshell();
- }
-
- version (none)
- {
- GCStats stats;
- getStats(stats);
- }
-
-}
-
-
-/**
- * do full garbage collection ignoring roots
- */
-void fullCollectNoStack()
-{
- if (!thread_needLock())
- {
- gc.no_stack++;
- fullcollectshell();
- gc.no_stack--;
- }
- else synchronized (gc.lock)
- {
- gc.no_stack++;
- fullcollectshell();
- gc.no_stack--;
- }
-}
-
-
-/**
- * minimize free space usage
- */
-void minimize()
-{
- if (!thread_needLock())
- {
- minimizeNoSync();
- }
- else synchronized (gc.lock)
- {
- minimizeNoSync();
- }
-}
-
-
/**
* Retrieve statistics about garbage collection.
* Useful for debugging and tuning.
*/
-void getStats(out GCStats stats)
-{
- if (!thread_needLock())
- {
- getStatsNoSync(stats);
- }
- else synchronized (gc.lock)
- {
- getStatsNoSync(stats);
- }
-}
-
-
-//
-//
-//
-private void getStatsNoSync(out GCStats stats)
+private GCStats getStats()
{
+ GCStats stats;
size_t psize = 0;
size_t usize = 0;
size_t flsize = 0;
size_t n;
size_t bsize = 0;
- memset(&stats, 0, GCStats.sizeof);
-
for (n = 0; n < gc.pools.length; n++)
{
Pool* pool = gc.pools[n];
stats.poolsize = psize;
stats.usedsize = bsize - flsize;
stats.freelistsize = flsize;
+ return stats;
}
/******************* weak-reference support *********************/
-// call locked if necessary
-private T locked(T)(in T delegate() code)
-{
- if (thread_needLock)
- synchronized(gc.lock) return code();
- else
- return code();
-}
-
private struct WeakPointer
{
Object reference;
// lock for memory consistency (parallel readers)
// also ensures that weakpointerDestroy can be called while another
// thread is freeing the reference with "delete"
- locked!(void)({ reference = null; });
+ return locked!(void, () {
+ reference = null;
+ })();
}
}
auto wp = cast(WeakPointer*)p;
// must be extra careful about the GC or parallel threads
// finalizing the reference at the same time
- locked!(void)({
- if (wp.reference)
- rt_detachDisposeEvent(wp.reference, &wp.ondestroy);
- });
+ return locked!(void, () {
+ if (wp.reference)
+ rt_detachDisposeEvent(wp.reference, &wp.ondestroy);
+ })();
cstdlib.free(wp);
}
}
// that'd require core.sync.Atomic and lots of care about memory
// consistency it's an optional optimization see
// http://dsource.org/projects/tango/browser/trunk/user/tango/core/Lifetime.d?rev=5100#L158
- return locked!(Object)({
- return (cast(WeakPointer*)p).reference;
- });
+ return locked!(Object, () {
+ return (cast(WeakPointer*)p).reference;
+ })();
}
}
private int _termCleanupLevel=1;
/// sets the cleanup level done by gc
-/// (0: none, 1: fullCollect, 2: fullCollectNoStack (might crash daemonThreads))
+/// 0: none
+/// 1: fullCollect
+/// 2: fullCollect ignoring stack roots (might crash daemonThreads)
/// result !=0 if the value was invalid
extern (C) int gc_setTermCleanupLevel(int cLevel){
if (cLevel<0 || cLevel>2) return cLevel;
// I'm disabling cleanup for now until I can think about it some
// more.
//
- fullCollectNoStack(); // not really a 'collect all' -- still scans
- // static data area, roots, and ranges.
+ // not really a 'collect all' -- still scans static data area, roots,
+ // and ranges.
+ return locked!(void, () {
+ gc.no_stack++;
+ fullcollectshell();
+ gc.no_stack--;
+ })();
} else {
// default (safe) clenup
- fullCollect();
+ return locked!(void, () {
+ fullcollectshell();
+ })();
}
}
extern (C) void gc_enable()
{
- assert (Invariant()); scope (exit) assert (Invariant());
- enable();
+ return locked!(void, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ assert (gc.disabled > 0);
+ gc.disabled--;
+ })();
}
extern (C) void gc_disable()
{
- assert (Invariant()); scope (exit) assert (Invariant());
- disable();
+ return locked!(void, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ gc.disabled++;
+ })();
}
extern (C) void gc_collect()
{
- assert (Invariant()); scope (exit) assert (Invariant());
- fullCollect();
+ return locked!(void, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ fullcollectshell();
+ })();
}
extern (C) void gc_minimize()
{
- assert (Invariant()); scope (exit) assert (Invariant());
- minimize();
+ return locked!(void, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ minimize();
+ })();
}
extern (C) uint gc_getAttr( void* p )
{
- assert (Invariant()); scope (exit) assert (Invariant());
- return getAttr(p);
+ if (p is null)
+ return 0;
+ return locked!(uint, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ Pool* pool = findPool(p);
+ if (pool is null)
+ return 0u;
+ auto bit_i = cast(size_t)(p - pool.baseAddr) / 16;
+ return getAttr(pool, bit_i);
+ })();
}
-extern (C) uint gc_setAttr( void* p, uint a )
+extern (C) uint gc_setAttr(void* p, uint attrs)
{
- assert (Invariant()); scope (exit) assert (Invariant());
- return setAttr(p, a);
+ if (p is null)
+ return 0;
+ return locked!(uint, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ Pool* pool = findPool(p);
+ if (pool is null)
+ return 0u;
+ auto bit_i = cast(size_t)(p - pool.baseAddr) / 16;
+ uint old_attrs = getAttr(pool, bit_i);
+ setAttr(pool, bit_i, attrs);
+ return old_attrs;
+ })();
}
-extern (C) uint gc_clrAttr( void* p, uint a )
+extern (C) uint gc_clrAttr(void* p, uint attrs)
{
- assert (Invariant()); scope (exit) assert (Invariant());
- return clrAttr(p, a);
+ if (p is null)
+ return 0;
+ return locked!(uint, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ Pool* pool = findPool(p);
+ if (pool is null)
+ return 0u;
+ auto bit_i = cast(size_t)(p - pool.baseAddr) / 16;
+ uint old_attrs = getAttr(pool, bit_i);
+ clrAttr(pool, bit_i, attrs);
+ return old_attrs;
+ })();
}
-extern (C) void* gc_malloc(size_t sz, uint attrs = 0,
+extern (C) void* gc_malloc(size_t size, uint attrs = 0,
PointerMap ptrmap = PointerMap.init)
{
- assert (Invariant()); scope (exit) assert (Invariant());
- return malloc(sz, attrs, ptrmap);
+ if (size == 0)
+ return null;
+ return locked!(void*, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ return malloc(size, attrs, ptrmap.bits.ptr);
+ })();
}
-extern (C) void* gc_calloc(size_t sz, uint attrs = 0,
+extern (C) void* gc_calloc(size_t size, uint attrs = 0,
PointerMap ptrmap = PointerMap.init)
{
- assert (Invariant()); scope (exit) assert (Invariant());
- return calloc(sz, attrs, ptrmap);
+ if (size == 0)
+ return null;
+ return locked!(void*, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ return calloc(size, attrs, ptrmap.bits.ptr);
+ })();
}
-extern (C) void* gc_realloc(void* p, size_t sz, uint attrs = 0,
+extern (C) void* gc_realloc(void* p, size_t size, uint attrs = 0,
PointerMap ptrmap = PointerMap.init)
{
- assert (Invariant()); scope (exit) assert (Invariant());
- return realloc(p, sz, attrs, ptrmap);
+ return locked!(void*, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ return realloc(p, size, attrs, ptrmap.bits.ptr);
+ })();
}
-extern (C) size_t gc_extend( void* p, size_t mx, size_t sz )
+extern (C) size_t gc_extend(void* p, size_t min_size, size_t max_size)
{
- assert (Invariant()); scope (exit) assert (Invariant());
- return extend(p, mx, sz);
+ return locked!(size_t, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ return extend(p, min_size, max_size);
+ })();
}
-extern (C) size_t gc_reserve( size_t sz )
+extern (C) size_t gc_reserve(size_t size)
{
- assert (Invariant()); scope (exit) assert (Invariant());
- return reserve(sz);
+ if (size == 0)
+ return 0;
+ return locked!(size_t, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ return reserve(size);
+ })();
}
extern (C) void gc_free( void* p )
{
- assert (Invariant()); scope (exit) assert (Invariant());
- free(p);
+ if (p is null)
+ return;
+ return locked!(void, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ free(p);
+ })();
}
extern (C) void* gc_addrOf( void* p )
{
- assert (Invariant()); scope (exit) assert (Invariant());
- return addrOf(p);
+ if (p is null)
+ return null;
+ return locked!(void*, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ return findBase(p);
+ })();
}
extern (C) size_t gc_sizeOf( void* p )
{
- assert (Invariant()); scope (exit) assert (Invariant());
- return sizeOf(p);
+ if (p is null)
+ return 0;
+ return locked!(size_t, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ return sizeOf(p);
+ })();
}
extern (C) BlkInfo gc_query( void* p )
{
- assert (Invariant()); scope (exit) assert (Invariant());
- return query(p);
+ if (p is null)
+ return BlkInfo.init;
+ return locked!(BlkInfo, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ return getInfo(p);
+ })();
}
// NOTE: This routine is experimental. The stats or function name may change
// before it is made officially available.
extern (C) GCStats gc_stats()
{
- assert (Invariant()); scope (exit) assert (Invariant());
- GCStats stats = void;
- getStats(stats);
- return stats;
+ return locked!(GCStats, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ return getStats();
+ })();
}
extern (C) void gc_addRoot( void* p )
{
- assert (Invariant()); scope (exit) assert (Invariant());
- addRoot(p);
+ if (p is null)
+ return;
+ return locked!(void, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ if (gc.roots.append(p) is null)
+ onOutOfMemoryError();
+ })();
}
-extern (C) void gc_addRange( void* p, size_t sz )
+extern (C) void gc_addRange(void* p, size_t size)
{
- assert (Invariant()); scope (exit) assert (Invariant());
- addRange(p, sz);
+ if (p is null || size == 0)
+ return;
+ return locked!(void, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ if (gc.ranges.append(Range(p, p + size)) is null)
+ onOutOfMemoryError();
+ })();
}
-extern (C) void gc_removeRoot( void *p )
+extern (C) void gc_removeRoot(void* p)
{
- assert (Invariant()); scope (exit) assert (Invariant());
- removeRoot(p);
+ if (p is null)
+ return;
+ return locked!(void, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ bool r = gc.roots.remove(p);
+ assert (r);
+ })();
}
-extern (C) void gc_removeRange( void *p )
+extern (C) void gc_removeRange(void* p)
{
- assert (Invariant()); scope (exit) assert (Invariant());
- removeRange(p);
+ if (p is null)
+ return;
+ return locked!(void, () {
+ assert (Invariant()); scope (exit) assert (Invariant());
+ bool r = gc.ranges.remove(Range(p, null));
+ assert (r);
+ })();
}
extern (C) void* gc_weakpointerCreate( Object r )
{
- assert (Invariant()); scope (exit) assert (Invariant());
+ // weakpointers do their own locking
return weakpointerCreate(r);
}
extern (C) void gc_weakpointerDestroy( void* wp )
{
- assert (Invariant()); scope (exit) assert (Invariant());
+ // weakpointers do their own locking
weakpointerDestroy(wp);
}
extern (C) Object gc_weakpointerGet( void* wp )
{
- assert (Invariant()); scope (exit) assert (Invariant());
+ // weakpointers do their own locking
return weakpointerGet(wp);
}