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Define the type of marking flags as unsigned int. 

We could define it as _Bool since we are going to use C99, but unsigned
int is more portable (even in C89!) and extensible (when we decide to
use tri-color marking GC.)

Signed-off-by: OGINO Masanori <masanori.ogino@gmail.com>
This commit is contained in:
OGINO Masanori 2014-01-19 17:15:30 +09:00
parent 9495e9bf5c
commit 9be7ffc5fc
1 changed files with 3 additions and 5 deletions
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8
include/picrin/gc.h
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@ -9,16 +9,14 @@
extern "C" { extern "C" {
#endif #endif
enum pic_gc_mark { #define PIC_GC_UNMARK 0
PIC_GC_UNMARK = 0, #define PIC_GC_MARK 1
PIC_GC_MARK
};
union header { union header {
struct { struct {
union header *ptr; union header *ptr;
size_t size; size_t size;
enum pic_gc_mark mark : 1; unsigned int mark : 1;
} s; } s;
long alignment[2]; long alignment[2];
}; };