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ntdll: Use a separate stack when starting new threads. 

Based on a patch by Sebastian Lackner.

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2017-11-21 13:50:43 +01:00
parent ed893d3591
commit 9e093936e2
1 changed files with 22 additions and 11 deletions
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33
dlls/ntdll/thread.c
View File

@ -23,6 +23,7 @@
#include <assert.h>
#include <stdarg.h>
#include <limits.h>
#include <sys/types.h>
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
@ -467,6 +468,24 @@ void exit_thread( int status )
}
/***********************************************************************
* thread_startup
*/
static void thread_startup( void *param )
{
struct startup_info *info = param;
PRTL_THREAD_START_ROUTINE func = info->entry_point;
void *arg = info->entry_arg;
attach_dlls( (void *)1 );
if (TRACE_ON(relay))
DPRINTF( "%04x:Starting thread proc %p (arg=%p)\n", GetCurrentThreadId(), func, arg );
call_thread_entry_point( (LPTHREAD_START_ROUTINE)func, arg );
}
/***********************************************************************
* start_thread
*
@ -476,8 +495,6 @@ static void start_thread( struct startup_info *info )
{
TEB *teb = info->teb;
struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)&teb->GdiTebBatch;
PRTL_THREAD_START_ROUTINE func = info->entry_point;
void *arg = info->entry_arg;
struct debug_info debug_info;
debug_info.str_pos = debug_info.strings;
@ -486,14 +503,9 @@ static void start_thread( struct startup_info *info )
thread_data->pthread_id = pthread_self();
signal_init_thread( teb );
server_init_thread( func );
server_init_thread( info->entry_point );
attach_dlls( (void *)1 );
if (TRACE_ON(relay))
DPRINTF( "%04x:Starting thread proc %p (arg=%p)\n", GetCurrentThreadId(), func, arg );
call_thread_entry_point( (LPTHREAD_START_ROUTINE)func, arg );
wine_switch_to_stack( thread_startup, info, teb->Tib.StackBase );
}
@ -603,8 +615,7 @@ NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *
if ((status = virtual_alloc_thread_stack( teb, stack_reserve, stack_commit ))) goto error;
pthread_attr_init( &attr );
pthread_attr_setstack( &attr, teb->DeallocationStack,
(char *)teb->Tib.StackBase - (char *)teb->DeallocationStack );
pthread_attr_setstacksize( &attr, PTHREAD_STACK_MIN );
pthread_attr_setscope( &attr, PTHREAD_SCOPE_SYSTEM ); /* force creating a kernel thread */
interlocked_xchg_add( &nb_threads, 1 );
if (pthread_create( &pthread_id, &attr, (void * (*)(void *))start_thread, info ))