sandyx
/
libobjc2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fixes to be blocks runtime. Make sure that objects are not prematurely deallocated if referenced by multiple blocks.

Browse Source
main
theraven 15 years ago
parent 9b70b22eee
commit 9967d85d60
1 changed files with 14 additions and 7 deletions
Show Stats Download Patch File Download Diff File

21
blocks_runtime.m
Unescape Escape View File

@ -306,12 +306,14 @@ void _Block_object_assign(void *destAddr, const void *object, const int flags)
fprintf(stderr, "BLOCK_FIELD_IS_BLOCK: %d\n", (flags & BLOCK_FIELD_IS_BLOCK) == BLOCK_FIELD_IS_BLOCK);
fprintf(stderr, "BLOCK_FIELD_IS_BYREF: %d\n", (flags & BLOCK_FIELD_IS_BYREF) == BLOCK_FIELD_IS_BYREF);
fprintf(stderr, "BLOCK_FIELD_IS_WEAK: %d\n", (flags & BLOCK_FIELD_IS_WEAK) == BLOCK_FIELD_IS_WEAK);
if(flags & BLOCK_FIELD_IS_BYREF)
if (IS_SET(flags, BLOCK_FIELD_IS_BYREF))
{
struct block_byref_obj *src = (struct block_byref_obj *)object;
struct block_byref_obj **dst = destAddr;
fprintf(stderr, "Copy dispose? %d\n", (src->flags & BLOCK_HAS_COPY_DISPOSE) == BLOCK_HAS_COPY_DISPOSE);
fprintf(stderr, "Retain Count? %x %x\n", src->flags & BLOCK_REFCOUNT_MASK, BLOCK_REFCOUNT_MASK);
fprintf(stderr, "Forwarding: %p -> %p\n", src, src->forwarding);
src = src->forwarding;
if ((src->flags & BLOCK_REFCOUNT_MASK) == 0)
{
@ -352,16 +354,17 @@ void _Block_object_assign(void *destAddr, const void *object, const int flags)
fprintf(stderr, "Flags for block: %p: %d (refcount %x)\n", *dst, (*dst)->flags, (*dst)->flags & BLOCK_REFCOUNT_MASK);
}
}
else if((flags & BLOCK_FIELD_IS_BLOCK) == BLOCK_FIELD_IS_BLOCK)
else if (IS_SET(flags, BLOCK_FIELD_IS_BLOCK))
{
struct block_literal *src = (struct block_literal*)object;
struct block_literal **dst = destAddr;
*dst = Block_copy(src);
}
else if ((flags & BLOCK_FIELD_IS_OBJECT) == BLOCK_FIELD_IS_OBJECT)
else if (IS_SET(flags, BLOCK_FIELD_IS_OBJECT) &&
!IS_SET(flags, BLOCK_BYREF_CALLER))
{
fprintf(stderr, "-retain\n");
fprintf(stderr, "[%p -retain]\n", object);
id src = (id)object;
void **dst = destAddr;
*dst = src;
@ -392,7 +395,7 @@ void _Block_object_dispose(const void *object, const int flags)
}
//else
{
if(flags & BLOCK_FIELD_IS_BYREF)
if (IS_SET(flags, BLOCK_FIELD_IS_BYREF))
{
struct block_byref_obj *src =
(struct block_byref_obj*)object;
@ -405,8 +408,10 @@ void _Block_object_dispose(const void *object, const int flags)
{
if (0 != src->byref_dispose)
{
fprintf(stderr, "Calling byref dispose\n");
src->byref_dispose(src);
}
fprintf(stderr, "Freeing %p\n", src);
gc->free(src);
}
}
@ -432,16 +437,18 @@ void _Block_object_dispose(const void *object, const int flags)
}
}
}
else if ((flags & BLOCK_FIELD_IS_BLOCK) == BLOCK_FIELD_IS_BLOCK)
else if (IS_SET(flags, BLOCK_FIELD_IS_BLOCK))
{
struct block_literal *src = (struct block_literal*)object;
Block_release(src);
}
else if((flags & BLOCK_FIELD_IS_OBJECT) == BLOCK_FIELD_IS_OBJECT)
else if (IS_SET(flags, BLOCK_FIELD_IS_OBJECT) &&
!IS_SET(flags, BLOCK_BYREF_CALLER))
{
id src = (id)object;
if (!isGCEnabled)
{
fprintf(stderr, "Sending release message to %p\n", src);
[src release];
}
}

Write Preview
Loading…
Cancel
Save