generic-library/bionic
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Remove the obsolete _thread_created_hook.

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gdb won't even try to use this on Android because it knows we don't
support old enough kernels to need it.

Bug: 15470251
Change-Id: Ia6d54585d888bbab8ee0490a148a1586b25437b9
This commit is contained in:
Elliott Hughes 2014-07-09 22:13:55 -07:00
parent d028b6209c
commit e0f25dda3f
1 changed files with 0 additions and 15 deletions
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15
libc/bionic/pthread_create.cpp
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@ -41,13 +41,6 @@
#include "private/ErrnoRestorer.h" #include "private/ErrnoRestorer.h"
#include "private/ScopedPthreadMutexLocker.h" #include "private/ScopedPthreadMutexLocker.h"
// Used by gdb to track thread creation. See libthread_db.
#ifdef __i386__
extern "C" __attribute__((noinline)) __attribute__((fastcall)) void _thread_created_hook(pid_t) {}
#else
extern "C" __attribute__((noinline)) void _thread_created_hook(pid_t) {}
#endif
// x86 uses segment descriptors rather than a direct pointer to TLS. // x86 uses segment descriptors rather than a direct pointer to TLS.
#if __i386__ #if __i386__
#include <asm/ldt.h> #include <asm/ldt.h>
@ -56,8 +49,6 @@ extern "C" __LIBC_HIDDEN__ void __init_user_desc(struct user_desc*, int, void*);
static pthread_mutex_t g_pthread_stack_creation_lock = PTHREAD_MUTEX_INITIALIZER; static pthread_mutex_t g_pthread_stack_creation_lock = PTHREAD_MUTEX_INITIALIZER;
static pthread_mutex_t g_debugger_notification_lock = PTHREAD_MUTEX_INITIALIZER;
extern "C" int __isthreaded; extern "C" int __isthreaded;
// This code is used both by each new pthread and the code that initializes the main thread. // This code is used both by each new pthread and the code that initializes the main thread.
@ -258,12 +249,6 @@ int pthread_create(pthread_t* thread_out, pthread_attr_t const* attr,
return init_errno; return init_errno;
} }
// Notify any debuggers about the new thread.
{
ScopedPthreadMutexLocker debugger_locker(&g_debugger_notification_lock);
_thread_created_hook(thread->tid);
}
// Publish the pthread_t and unlock the mutex to let the new thread start running. // Publish the pthread_t and unlock the mutex to let the new thread start running.
*thread_out = reinterpret_cast<pthread_t>(thread); *thread_out = reinterpret_cast<pthread_t>(thread);
pthread_mutex_unlock(&thread->startup_handshake_mutex); pthread_mutex_unlock(&thread->startup_handshake_mutex);