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Remove libdispatch hooks from init_runtime() #436

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Merged
davidchisnall merged 1 commit into from
Oct 19, 2026
+0 −20
Merged

Remove libdispatch hooks from init_runtime() #436

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20 changes: 0 additions & 20 deletions loader.c
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Original file line number Diff line number Diff line change
@@ -1,8 +1,6 @@
#include <stdlib.h>
#include <assert.h>
#include "objc/runtime.h"
#include "objc/objc-auto.h"
#include "objc/objc-arc.h"
#include "lock.h"
#include "loader.h"
#include "visibility.h"
Expand Down Expand Up @@ -33,12 +31,6 @@ static void log_memory_stats(void)
/* Number of threads that are alive. */
int __objc_runtime_threads_alive = 1; /* !T:MUTEX */

// libdispatch hooks for registering threads
__attribute__((weak)) void (*dispatch_begin_thread_4GC)(void);
__attribute__((weak)) void (*dispatch_end_thread_4GC)(void);
__attribute__((weak)) void *(*_dispatch_begin_NSAutoReleasePool)(void);
__attribute__((weak)) void (*_dispatch_end_NSAutoReleasePool)(void *);

static void init_runtime(void)
{
static BOOL first_run = YES;
Expand Down Expand Up @@ -72,18 +64,6 @@ static void init_runtime(void)
{
atexit(log_memory_stats);
}
if (dispatch_begin_thread_4GC != 0) {
dispatch_begin_thread_4GC = objc_registerThreadWithCollector;
}
if (dispatch_end_thread_4GC != 0) {
dispatch_end_thread_4GC = objc_unregisterThreadWithCollector;
}
if (_dispatch_begin_NSAutoReleasePool != 0) {
_dispatch_begin_NSAutoReleasePool = objc_autoreleasePoolPush;
}
if (_dispatch_end_NSAutoReleasePool != 0) {
_dispatch_end_NSAutoReleasePool = objc_autoreleasePoolPop;
}
}
}

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