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base: support for 64-bit atomic increment/decrement

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This commit is contained in:
Luke Howard
2023-01-07 10:53:06 +11:00
parent 8fcf05ac2e
commit 8c25c0d46a
3 changed files with 66 additions and 45 deletions
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20
lib/base/heimbase.c
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@@ -37,11 +37,11 @@
#include "heimbase-atomics.h"
#include <syslog.h>
static heim_base_atomic_integer_type tidglobal = HEIM_TID_USER;
static heim_base_atomic(uint32_t) tidglobal = HEIM_TID_USER;
struct heim_base {
heim_type_t isa;
heim_base_atomic_integer_type ref_cnt;
heim_base_atomic(uint32_t) ref_cnt;
HEIM_TAILQ_ENTRY(heim_base) autorel;
heim_auto_release_t autorelpool;
uintptr_t isaextra[3];
@@ -50,7 +50,7 @@ struct heim_base {
/* specialized version of base */
struct heim_base_mem {
heim_type_t isa;
heim_base_atomic_integer_type ref_cnt;
heim_base_atomic(uint32_t) ref_cnt;
HEIM_TAILQ_ENTRY(heim_base) autorel;
heim_auto_release_t autorelpool;
const char *name;
@@ -94,10 +94,10 @@ heim_retain(heim_object_t ptr)
p = PTR2BASE(ptr);
if (heim_base_atomic_load(&p->ref_cnt) == heim_base_atomic_integer_max)
if (heim_base_atomic_load(&p->ref_cnt) == UINT32_MAX)
return ptr;
if ((heim_base_atomic_inc(&p->ref_cnt) - 1) == 0)
if ((heim_base_atomic_inc_32(&p->ref_cnt) - 1) == 0)
heim_abort("resurection");
return ptr;
}
@@ -111,7 +111,7 @@ heim_retain(heim_object_t ptr)
void
heim_release(void *ptr)
{
heim_base_atomic_integer_type old;
heim_base_atomic(uint32_t) old;
struct heim_base *p;
if (ptr == NULL || heim_base_is_tagged(ptr))
@@ -119,10 +119,10 @@ heim_release(void *ptr)
p = PTR2BASE(ptr);
if (heim_base_atomic_load(&p->ref_cnt) == heim_base_atomic_integer_max)
if (heim_base_atomic_load(&p->ref_cnt) == UINT32_MAX)
return;
old = heim_base_atomic_dec(&p->ref_cnt) + 1;
old = heim_base_atomic_dec_32(&p->ref_cnt) + 1;
if (old > 1)
return;
@@ -161,7 +161,7 @@ void
_heim_make_permanent(heim_object_t ptr)
{
struct heim_base *p = PTR2BASE(ptr);
heim_base_atomic_store(&p->ref_cnt, heim_base_atomic_integer_max);
heim_base_atomic_store(&p->ref_cnt, UINT32_MAX);
}
@@ -322,7 +322,7 @@ _heim_create_type(const char *name,
if (type == NULL)
return NULL;
type->tid = heim_base_atomic_inc(&tidglobal);
type->tid = heim_base_atomic_inc_32(&tidglobal);
type->name = name;
type->init = init;
type->dealloc = dealloc;