904 lines
26 KiB
C
904 lines
26 KiB
C
/*
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* Win32 threads
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*
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* Copyright 1996 Alexandre Julliard
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*/
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#include <assert.h>
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#include <signal.h>
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#include <unistd.h>
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#include "thread.h"
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#include "process.h"
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#include "task.h"
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#include "module.h"
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#include "user.h"
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#include "winerror.h"
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#include "heap.h"
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#include "selectors.h"
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#include "miscemu.h"
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#include "winnt.h"
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#include "server.h"
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#include "stackframe.h"
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#include "debug.h"
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#include "queue.h"
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#include "hook.h"
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#ifndef __i386__
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THDB *pCurrentThread;
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#endif
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static void THREAD_Destroy( K32OBJ *obj );
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const K32OBJ_OPS THREAD_Ops =
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{
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THREAD_Destroy /* destroy */
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};
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/* Is threading code initialized? */
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BOOL32 THREAD_InitDone = FALSE;
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/***********************************************************************
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* THREAD_Current
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*
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* Return the current thread THDB pointer.
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*/
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THDB *THREAD_Current(void)
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{
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if (!THREAD_InitDone) return NULL;
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return (THDB *)((char *)NtCurrentTeb() - (int)&((THDB *)0)->teb);
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}
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/***********************************************************************
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* THREAD_IsWin16
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*/
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BOOL32 THREAD_IsWin16( THDB *thdb )
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{
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if (!thdb || !thdb->process)
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return TRUE;
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else
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{
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TDB* pTask = (TDB*)GlobalLock16( thdb->process->task );
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return !pTask || pTask->thdb == thdb;
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}
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}
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/***********************************************************************
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* THREAD_IdToTHDB
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*
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* Convert a thread id to a THDB, making sure it is valid.
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*/
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THDB *THREAD_IdToTHDB( DWORD id )
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{
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THDB *thdb;
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if (!id) return THREAD_Current();
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thdb = THREAD_ID_TO_THDB( id );
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if (!K32OBJ_IsValid( &thdb->header, K32OBJ_THREAD ))
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{
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/* Allow task handles to be used; convert to main thread */
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if ( IsTask( id ) )
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{
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TDB *pTask = (TDB *)GlobalLock16( id );
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if (pTask) return pTask->thdb;
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}
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SetLastError( ERROR_INVALID_PARAMETER );
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return NULL;
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}
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return thdb;
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}
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/***********************************************************************
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* THREAD_AddQueue
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*
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* Add a thread to a queue.
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*/
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void THREAD_AddQueue( THREAD_QUEUE *queue, THDB *thread )
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{
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THREAD_ENTRY *entry = HeapAlloc( SystemHeap, HEAP_NO_SERIALIZE,
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sizeof(*entry) );
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assert(entry);
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SYSTEM_LOCK();
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entry->thread = thread;
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if (*queue)
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{
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entry->next = (*queue)->next;
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(*queue)->next = entry;
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}
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else entry->next = entry;
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*queue = entry;
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SYSTEM_UNLOCK();
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}
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/***********************************************************************
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* THREAD_RemoveQueue
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*
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* Remove a thread from a queue.
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*/
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void THREAD_RemoveQueue( THREAD_QUEUE *queue, THDB *thread )
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{
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THREAD_ENTRY *entry = *queue;
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SYSTEM_LOCK();
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if (entry->next == entry) /* Only one element in the queue */
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{
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assert( entry->thread == thread );
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*queue = NULL;
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}
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else
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{
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THREAD_ENTRY *next;
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while (entry->next->thread != thread)
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{
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entry = entry->next;
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assert( entry != *queue ); /* Have we come all the way around? */
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}
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if ((next = entry->next) == *queue) *queue = entry;
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entry->next = entry->next->next;
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entry = next; /* This is the one we want to free */
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}
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HeapFree( SystemHeap, 0, entry );
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SYSTEM_UNLOCK();
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}
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/***********************************************************************
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* THREAD_Create
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*/
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THDB *THREAD_Create( PDB32 *pdb, DWORD stack_size, BOOL32 alloc_stack16,
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int *server_thandle, int *server_phandle,
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LPTHREAD_START_ROUTINE start_addr, LPVOID param )
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{
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DWORD old_prot;
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THDB *thdb = HeapAlloc( SystemHeap, HEAP_ZERO_MEMORY, sizeof(THDB) );
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if (!thdb) return NULL;
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thdb->header.type = K32OBJ_THREAD;
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thdb->header.refcount = 1;
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thdb->process = pdb;
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thdb->teb.except = (void *)-1;
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thdb->teb.htask16 = 0; /* FIXME */
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thdb->teb.self = &thdb->teb;
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thdb->teb.flags = (pdb->flags & PDB32_WIN16_PROC)? 0 : TEBF_WIN32;
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thdb->teb.tls_ptr = thdb->tls_array;
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thdb->teb.process = pdb;
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thdb->wait_list = &thdb->wait_struct;
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thdb->exit_code = 0x103; /* STILL_ACTIVE */
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thdb->entry_point = start_addr;
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thdb->entry_arg = param;
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thdb->socket = -1;
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/* Allocate the stack */
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/* FIXME:
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* If stacksize smaller than 1 MB, allocate 1MB
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* (one program wanted only 10 kB, which is recommendable, but some WINE
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* functions, noteably in the files subdir, push HUGE structures and
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* arrays on the stack. They probably shouldn't.)
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* If stacksize larger than 16 MB, warn the user. (We could shrink the stack
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* but this could give more or less unexplainable crashes.)
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*/
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if (stack_size<1024*1024)
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stack_size = 1024 * 1024;
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if (stack_size >= 16*1024*1024)
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WARN(thread,"Thread stack size is %ld MB.\n",stack_size/1024/1024);
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thdb->stack_base = VirtualAlloc(NULL,
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stack_size + (alloc_stack16 ? 0x10000 : 0),
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MEM_COMMIT, PAGE_EXECUTE_READWRITE );
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if (!thdb->stack_base) goto error;
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/* Set a guard page at the bottom of the stack */
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VirtualProtect( thdb->stack_base, 1, PAGE_EXECUTE_READWRITE | PAGE_GUARD,
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&old_prot );
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thdb->teb.stack_top = (char *)thdb->stack_base + stack_size;
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thdb->teb.stack_low = thdb->stack_base;
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thdb->exit_stack = thdb->teb.stack_top;
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/* Allocate the TEB selector (%fs register) */
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thdb->teb_sel = SELECTOR_AllocBlock( &thdb->teb, 0x1000, SEGMENT_DATA,
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TRUE, FALSE );
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if (!thdb->teb_sel) goto error;
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/* Allocate the 16-bit stack selector */
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if (alloc_stack16)
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{
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thdb->teb.stack_sel = SELECTOR_AllocBlock( thdb->teb.stack_top,
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0x10000, SEGMENT_DATA,
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FALSE, FALSE );
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if (!thdb->teb.stack_sel) goto error;
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thdb->cur_stack = PTR_SEG_OFF_TO_SEGPTR( thdb->teb.stack_sel,
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0x10000 - sizeof(STACK16FRAME) );
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}
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/* Create the thread socket */
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if (CLIENT_NewThread( thdb, server_thandle, server_phandle )) goto error;
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/* Add thread to process's list of threads */
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THREAD_AddQueue( &pdb->thread_list, thdb );
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/* Create the thread event */
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if (!(thdb->event = CreateEvent32A( NULL, FALSE, FALSE, NULL ))) goto error;
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thdb->event = ConvertToGlobalHandle( thdb->event );
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PE_InitTls( thdb );
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return thdb;
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error:
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if (thdb->socket != -1) close( thdb->socket );
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if (thdb->event) CloseHandle( thdb->event );
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if (thdb->teb.stack_sel) SELECTOR_FreeBlock( thdb->teb.stack_sel, 1 );
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if (thdb->teb_sel) SELECTOR_FreeBlock( thdb->teb_sel, 1 );
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if (thdb->stack_base) VirtualFree( thdb->stack_base, 0, MEM_RELEASE );
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HeapFree( SystemHeap, 0, thdb );
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return NULL;
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}
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/***********************************************************************
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* THREAD_Destroy
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*/
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static void THREAD_Destroy( K32OBJ *ptr )
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{
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THDB *thdb = (THDB *)ptr;
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assert( ptr->type == K32OBJ_THREAD );
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ptr->type = K32OBJ_UNKNOWN;
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/* Free the associated memory */
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#ifdef __i386__
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{
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/* Check if we are deleting the current thread */
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WORD fs;
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GET_FS( fs );
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if (fs == thdb->teb_sel)
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{
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GET_DS( fs );
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SET_FS( fs );
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}
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}
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#endif
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CloseHandle( thdb->event );
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close( thdb->socket );
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SELECTOR_FreeBlock( thdb->teb_sel, 1 );
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if (thdb->teb.stack_sel) SELECTOR_FreeBlock( thdb->teb.stack_sel, 1 );
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HeapFree( SystemHeap, 0, thdb );
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}
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/***********************************************************************
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* THREAD_Start
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*
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* Start execution of a newly created thread. Does not return.
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*/
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void THREAD_Start( THDB *thdb )
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{
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LPTHREAD_START_ROUTINE func = (LPTHREAD_START_ROUTINE)thdb->entry_point;
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assert( THREAD_Current() == thdb );
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CLIENT_InitThread();
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MODULE_InitializeDLLs( thdb->process, 0, DLL_THREAD_ATTACH, NULL );
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ExitThread( func( thdb->entry_arg ) );
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}
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/***********************************************************************
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* CreateThread (KERNEL32.63)
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*/
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HANDLE32 WINAPI CreateThread( SECURITY_ATTRIBUTES *sa, DWORD stack,
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LPTHREAD_START_ROUTINE start, LPVOID param,
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DWORD flags, LPDWORD id )
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{
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int server_handle = -1;
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HANDLE32 handle = INVALID_HANDLE_VALUE32;
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BOOL32 inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
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THDB *thread = THREAD_Create( PROCESS_Current(), stack,
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TRUE, &server_handle, NULL, start, param );
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if (!thread) return INVALID_HANDLE_VALUE32;
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handle = HANDLE_Alloc( PROCESS_Current(), &thread->header,
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THREAD_ALL_ACCESS, inherit, server_handle );
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if (handle == INVALID_HANDLE_VALUE32) goto error;
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if (SYSDEPS_SpawnThread( thread ) == -1) goto error;
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if (id) *id = THDB_TO_THREAD_ID( thread );
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return handle;
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error:
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if (handle != INVALID_HANDLE_VALUE32) CloseHandle( handle );
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K32OBJ_DecCount( &thread->header );
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return INVALID_HANDLE_VALUE32;
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}
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/***********************************************************************
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* ExitThread [KERNEL32.215] Ends a thread
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*
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* RETURNS
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* None
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*/
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void WINAPI ExitThread(
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DWORD code) /* [in] Exit code for this thread */
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{
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THDB *thdb = THREAD_Current();
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LONG count;
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/* Remove thread from process's list */
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THREAD_RemoveQueue( &thdb->process->thread_list, thdb );
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MODULE_InitializeDLLs( thdb->process, 0, DLL_THREAD_DETACH, NULL );
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SYSTEM_LOCK();
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thdb->exit_code = code;
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/* cleanup the message queue, if there's one */
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if (thdb->teb.queue)
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USER_QueueCleanup( thdb->teb.queue );
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/* FIXME: should free the stack somehow */
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#if 0
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/* FIXME: We cannot do this; once the current thread is destroyed,
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synchronization primitives do not work properly. */
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K32OBJ_DecCount( &thdb->header );
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#endif
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/* Completely unlock the system lock just in case */
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count = SYSTEM_LOCK_COUNT();
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while (count--) SYSTEM_UNLOCK();
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SYSDEPS_ExitThread();
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}
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/***********************************************************************
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* GetCurrentThread [KERNEL32.200] Gets pseudohandle for current thread
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*
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* RETURNS
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* Pseudohandle for the current thread
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*/
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HANDLE32 WINAPI GetCurrentThread(void)
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{
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return CURRENT_THREAD_PSEUDOHANDLE;
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}
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/***********************************************************************
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* GetCurrentThreadId [KERNEL32.201] Returns thread identifier.
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*
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* RETURNS
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* Thread identifier of calling thread
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*/
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DWORD WINAPI GetCurrentThreadId(void)
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{
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return THDB_TO_THREAD_ID( THREAD_Current() );
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}
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/**********************************************************************
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* GetLastError [KERNEL.148] [KERNEL32.227] Returns last-error code.
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*
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* RETURNS
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* Calling thread's last error code value.
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*/
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DWORD WINAPI GetLastError(void)
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{
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THDB *thread = THREAD_Current();
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DWORD ret = thread->last_error;
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TRACE(thread,"0x%lx\n",ret);
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return ret;
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}
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/**********************************************************************
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* SetLastError [KERNEL.147] [KERNEL32.497] Sets the last-error code.
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*
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* RETURNS
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* None.
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*/
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void WINAPI SetLastError(
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DWORD error) /* [in] Per-thread error code */
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{
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THDB *thread = THREAD_Current();
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/* This one must work before we have a thread (FIXME) */
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TRACE(thread,"%p error=0x%lx\n",thread,error);
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if (thread)
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thread->last_error = error;
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}
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/**********************************************************************
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* SetLastErrorEx [USER32.485] Sets the last-error code.
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*
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* RETURNS
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* None.
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*/
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void WINAPI SetLastErrorEx(
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DWORD error, /* [in] Per-thread error code */
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DWORD type) /* [in] Error type */
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{
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TRACE(thread, "(0x%08lx, 0x%08lx)\n", error,type);
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switch(type) {
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case 0:
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break;
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case SLE_ERROR:
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case SLE_MINORERROR:
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case SLE_WARNING:
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/* Fall through for now */
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default:
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FIXME(thread, "(error=%08lx, type=%08lx): Unhandled type\n", error,type);
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break;
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}
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SetLastError( error );
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}
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|
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/**********************************************************************
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* THREAD_TlsAlloc
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*/
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DWORD THREAD_TlsAlloc(THDB *thread)
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{
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DWORD i, mask, ret = 0;
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DWORD *bits = thread->process->tls_bits;
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EnterCriticalSection( &thread->process->crit_section );
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if (*bits == 0xffffffff)
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{
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bits++;
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ret = 32;
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if (*bits == 0xffffffff)
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{
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LeaveCriticalSection( &thread->process->crit_section );
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SetLastError( ERROR_NO_MORE_ITEMS );
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return 0xffffffff;
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}
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}
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for (i = 0, mask = 1; i < 32; i++, mask <<= 1) if (!(*bits & mask)) break;
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*bits |= mask;
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LeaveCriticalSection( &thread->process->crit_section );
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return ret + i;
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}
|
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|
|
|
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/**********************************************************************
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* TlsAlloc [KERNEL32.530] Allocates a TLS index.
|
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*
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* Allocates a thread local storage index
|
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*
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* RETURNS
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* Success: TLS Index
|
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* Failure: 0xFFFFFFFF
|
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*/
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DWORD WINAPI TlsAlloc(void)
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{
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return THREAD_TlsAlloc(THREAD_Current());
|
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}
|
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|
|
|
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/**********************************************************************
|
|
* TlsFree [KERNEL32.531] Releases a TLS index.
|
|
*
|
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* Releases a thread local storage index, making it available for reuse
|
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*
|
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* RETURNS
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* Success: TRUE
|
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* Failure: FALSE
|
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*/
|
|
BOOL32 WINAPI TlsFree(
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DWORD index) /* [in] TLS Index to free */
|
|
{
|
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DWORD mask;
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THDB *thread = THREAD_Current();
|
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DWORD *bits = thread->process->tls_bits;
|
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if (index >= 64)
|
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return FALSE;
|
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}
|
|
EnterCriticalSection( &thread->process->crit_section );
|
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if (index >= 32) bits++;
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mask = (1 << (index & 31));
|
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if (!(*bits & mask)) /* already free? */
|
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{
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LeaveCriticalSection( &thread->process->crit_section );
|
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SetLastError( ERROR_INVALID_PARAMETER );
|
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return FALSE;
|
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}
|
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*bits &= ~mask;
|
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thread->tls_array[index] = 0;
|
|
/* FIXME: should zero all other thread values */
|
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LeaveCriticalSection( &thread->process->crit_section );
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return TRUE;
|
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}
|
|
|
|
|
|
/**********************************************************************
|
|
* TlsGetValue [KERNEL32.532] Gets value in a thread's TLS slot
|
|
*
|
|
* RETURNS
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|
* Success: Value stored in calling thread's TLS slot for index
|
|
* Failure: 0 and GetLastError returns NO_ERROR
|
|
*/
|
|
LPVOID WINAPI TlsGetValue(
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DWORD index) /* [in] TLS index to retrieve value for */
|
|
{
|
|
THDB *thread = THREAD_Current();
|
|
if (index >= 64)
|
|
{
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return NULL;
|
|
}
|
|
SetLastError( ERROR_SUCCESS );
|
|
return thread->tls_array[index];
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* TlsSetValue [KERNEL32.533] Stores a value in the thread's TLS slot.
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*/
|
|
BOOL32 WINAPI TlsSetValue(
|
|
DWORD index, /* [in] TLS index to set value for */
|
|
LPVOID value) /* [in] Value to be stored */
|
|
{
|
|
THDB *thread = THREAD_Current();
|
|
if (index >= 64)
|
|
{
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return FALSE;
|
|
}
|
|
thread->tls_array[index] = value;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetThreadContext [KERNEL32.670] Sets context of thread.
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*/
|
|
BOOL32 WINAPI SetThreadContext(
|
|
HANDLE32 handle, /* [in] Handle to thread with context */
|
|
CONTEXT *context) /* [out] Address of context structure */
|
|
{
|
|
FIXME( thread, "not implemented\n" );
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetThreadContext [KERNEL32.294] Retrieves context of thread.
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*/
|
|
BOOL32 WINAPI GetThreadContext(
|
|
HANDLE32 handle, /* [in] Handle to thread with context */
|
|
CONTEXT *context) /* [out] Address of context structure */
|
|
{
|
|
WORD cs, ds;
|
|
|
|
FIXME( thread, "returning dummy info\n" );
|
|
|
|
/* make up some plausible values for segment registers */
|
|
GET_CS(cs);
|
|
GET_DS(ds);
|
|
context->SegCs = cs;
|
|
context->SegDs = ds;
|
|
context->SegEs = ds;
|
|
context->SegGs = ds;
|
|
context->SegSs = ds;
|
|
context->SegFs = ds;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* GetThreadPriority [KERNEL32.296] Returns priority for thread.
|
|
*
|
|
* RETURNS
|
|
* Success: Thread's priority level.
|
|
* Failure: THREAD_PRIORITY_ERROR_RETURN
|
|
*/
|
|
INT32 WINAPI GetThreadPriority(
|
|
HANDLE32 hthread) /* [in] Handle to thread */
|
|
{
|
|
struct get_thread_info_request req;
|
|
struct get_thread_info_reply reply;
|
|
req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hthread,
|
|
K32OBJ_THREAD, THREAD_QUERY_INFORMATION );
|
|
CLIENT_SendRequest( REQ_GET_THREAD_INFO, -1, 1, &req, sizeof(req) );
|
|
if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL ))
|
|
return THREAD_PRIORITY_ERROR_RETURN;
|
|
return reply.priority;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* SetThreadPriority [KERNEL32.514] Sets priority for thread.
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*/
|
|
BOOL32 WINAPI SetThreadPriority(
|
|
HANDLE32 hthread, /* [in] Handle to thread */
|
|
INT32 priority) /* [in] Thread priority level */
|
|
{
|
|
struct set_thread_info_request req;
|
|
req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hthread,
|
|
K32OBJ_THREAD, THREAD_SET_INFORMATION );
|
|
if (req.handle == -1) return FALSE;
|
|
req.priority = priority;
|
|
req.mask = SET_THREAD_INFO_PRIORITY;
|
|
CLIENT_SendRequest( REQ_SET_THREAD_INFO, -1, 1, &req, sizeof(req) );
|
|
return !CLIENT_WaitReply( NULL, NULL, 0 );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* SetThreadAffinityMask (KERNEL32.669)
|
|
*/
|
|
DWORD WINAPI SetThreadAffinityMask( HANDLE32 hThread, DWORD dwThreadAffinityMask )
|
|
{
|
|
struct set_thread_info_request req;
|
|
req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hThread,
|
|
K32OBJ_THREAD, THREAD_SET_INFORMATION );
|
|
if (req.handle == -1) return FALSE;
|
|
req.affinity = dwThreadAffinityMask;
|
|
req.mask = SET_THREAD_INFO_AFFINITY;
|
|
CLIENT_SendRequest( REQ_SET_THREAD_INFO, -1, 1, &req, sizeof(req) );
|
|
if (CLIENT_WaitReply( NULL, NULL, 0 )) return 0;
|
|
return 1; /* FIXME: should return previous value */
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* TerminateThread [KERNEL32.685] Terminates a thread
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*/
|
|
BOOL32 WINAPI TerminateThread(
|
|
HANDLE32 handle, /* [in] Handle to thread */
|
|
DWORD exitcode) /* [in] Exit code for thread */
|
|
{
|
|
struct terminate_thread_request req;
|
|
|
|
req.handle = HANDLE_GetServerHandle( PROCESS_Current(), handle,
|
|
K32OBJ_THREAD, THREAD_TERMINATE );
|
|
req.exit_code = exitcode;
|
|
CLIENT_SendRequest( REQ_TERMINATE_THREAD, -1, 1, &req, sizeof(req) );
|
|
return !CLIENT_WaitReply( NULL, NULL, 0 );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* GetExitCodeThread [KERNEL32.???] Gets termination status of thread.
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*/
|
|
BOOL32 WINAPI GetExitCodeThread(
|
|
HANDLE32 hthread, /* [in] Handle to thread */
|
|
LPDWORD exitcode) /* [out] Address to receive termination status */
|
|
{
|
|
struct get_thread_info_request req;
|
|
struct get_thread_info_reply reply;
|
|
req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hthread,
|
|
K32OBJ_THREAD, THREAD_QUERY_INFORMATION );
|
|
CLIENT_SendRequest( REQ_GET_THREAD_INFO, -1, 1, &req, sizeof(req) );
|
|
if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL )) return FALSE;
|
|
if (exitcode) *exitcode = reply.exit_code;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* ResumeThread [KERNEL32.587] Resumes a thread.
|
|
*
|
|
* Decrements a thread's suspend count. When count is zero, the
|
|
* execution of the thread is resumed.
|
|
*
|
|
* RETURNS
|
|
* Success: Previous suspend count
|
|
* Failure: 0xFFFFFFFF
|
|
* Already running: 0
|
|
*/
|
|
DWORD WINAPI ResumeThread(
|
|
HANDLE32 hthread) /* [in] Identifies thread to restart */
|
|
{
|
|
struct resume_thread_request req;
|
|
struct resume_thread_reply reply;
|
|
req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hthread,
|
|
K32OBJ_THREAD, THREAD_SUSPEND_RESUME );
|
|
CLIENT_SendRequest( REQ_RESUME_THREAD, -1, 1, &req, sizeof(req) );
|
|
if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL )) return 0xffffffff;
|
|
return reply.count;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* SuspendThread [KERNEL32.681] Suspends a thread.
|
|
*
|
|
* RETURNS
|
|
* Success: Previous suspend count
|
|
* Failure: 0xFFFFFFFF
|
|
*/
|
|
DWORD WINAPI SuspendThread(
|
|
HANDLE32 hthread) /* [in] Handle to the thread */
|
|
{
|
|
struct suspend_thread_request req;
|
|
struct suspend_thread_reply reply;
|
|
req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hthread,
|
|
K32OBJ_THREAD, THREAD_SUSPEND_RESUME );
|
|
CLIENT_SendRequest( REQ_SUSPEND_THREAD, -1, 1, &req, sizeof(req) );
|
|
if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL )) return 0xffffffff;
|
|
return reply.count;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* QueueUserAPC (KERNEL32.566)
|
|
*/
|
|
DWORD WINAPI QueueUserAPC( PAPCFUNC func, HANDLE32 hthread, ULONG_PTR data )
|
|
{
|
|
struct queue_apc_request req;
|
|
req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hthread,
|
|
K32OBJ_THREAD, THREAD_SET_CONTEXT );
|
|
req.func = func;
|
|
req.param = (void *)data;
|
|
CLIENT_SendRequest( REQ_QUEUE_APC, -1, 1, &req, sizeof(req) );
|
|
return !CLIENT_WaitReply( NULL, NULL, 0 );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* GetThreadTimes [KERNEL32.???] Obtains timing information.
|
|
*
|
|
* NOTES
|
|
* What are the fields where these values are stored?
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*/
|
|
BOOL32 WINAPI GetThreadTimes(
|
|
HANDLE32 thread, /* [in] Specifies the thread of interest */
|
|
LPFILETIME creationtime, /* [out] When the thread was created */
|
|
LPFILETIME exittime, /* [out] When the thread was destroyed */
|
|
LPFILETIME kerneltime, /* [out] Time thread spent in kernel mode */
|
|
LPFILETIME usertime) /* [out] Time thread spent in user mode */
|
|
{
|
|
FIXME(thread,"(0x%08x): stub\n",thread);
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* AttachThreadInput [KERNEL32.8] Attaches input of 1 thread to other
|
|
*
|
|
* Attaches the input processing mechanism of one thread to that of
|
|
* another thread.
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*
|
|
* TODO:
|
|
* 1. Reset the Key State (currenly per thread key state is not maintained)
|
|
*/
|
|
BOOL32 WINAPI AttachThreadInput(
|
|
DWORD idAttach, /* [in] Thread to attach */
|
|
DWORD idAttachTo, /* [in] Thread to attach to */
|
|
BOOL32 fAttach) /* [in] Attach or detach */
|
|
{
|
|
MESSAGEQUEUE *pSrcMsgQ = 0, *pTgtMsgQ = 0;
|
|
BOOL16 bRet = 0;
|
|
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
|
|
/* A thread cannot attach to itself */
|
|
if ( idAttach == idAttachTo )
|
|
goto CLEANUP;
|
|
|
|
/* According to the docs this method should fail if a
|
|
* "Journal record" hook is installed. (attaches all input queues together)
|
|
*/
|
|
if ( HOOK_IsHooked( WH_JOURNALRECORD ) )
|
|
goto CLEANUP;
|
|
|
|
/* Retrieve message queues corresponding to the thread id's */
|
|
pTgtMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetThreadQueue( idAttach ) );
|
|
pSrcMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetThreadQueue( idAttachTo ) );
|
|
|
|
/* Ensure we have message queues and that Src and Tgt threads
|
|
* are not system threads.
|
|
*/
|
|
if ( !pSrcMsgQ || !pTgtMsgQ || !pSrcMsgQ->pQData || !pTgtMsgQ->pQData )
|
|
goto CLEANUP;
|
|
|
|
if (fAttach) /* Attach threads */
|
|
{
|
|
/* Only attach if currently detached */
|
|
if ( pTgtMsgQ->pQData != pSrcMsgQ->pQData )
|
|
{
|
|
/* First release the target threads perQData */
|
|
PERQDATA_Release( pTgtMsgQ->pQData );
|
|
|
|
/* Share a reference to the source threads perQDATA */
|
|
PERQDATA_Addref( pSrcMsgQ->pQData );
|
|
pTgtMsgQ->pQData = pSrcMsgQ->pQData;
|
|
}
|
|
}
|
|
else /* Detach threads */
|
|
{
|
|
/* Only detach if currently attached */
|
|
if ( pTgtMsgQ->pQData == pSrcMsgQ->pQData )
|
|
{
|
|
/* First release the target threads perQData */
|
|
PERQDATA_Release( pTgtMsgQ->pQData );
|
|
|
|
/* Give the target thread its own private perQDATA once more */
|
|
pTgtMsgQ->pQData = PERQDATA_CreateInstance();
|
|
}
|
|
}
|
|
|
|
/* TODO: Reset the Key State */
|
|
|
|
bRet = 1; // Success
|
|
|
|
CLEANUP:
|
|
|
|
/* Unlock the queues before returning */
|
|
if ( pSrcMsgQ )
|
|
QUEUE_Unlock( pSrcMsgQ );
|
|
if ( pTgtMsgQ )
|
|
QUEUE_Unlock( pTgtMsgQ );
|
|
|
|
return bRet;
|
|
}
|
|
|
|
/**********************************************************************
|
|
* VWin32_BoostThreadGroup [KERNEL.535]
|
|
*/
|
|
VOID WINAPI VWin32_BoostThreadGroup( DWORD threadId, INT32 boost )
|
|
{
|
|
FIXME(thread, "(0x%08lx,%d): stub\n", threadId, boost);
|
|
}
|
|
|
|
/**********************************************************************
|
|
* VWin32_BoostThreadStatic [KERNEL.536]
|
|
*/
|
|
VOID WINAPI VWin32_BoostThreadStatic( DWORD threadId, INT32 boost )
|
|
{
|
|
FIXME(thread, "(0x%08lx,%d): stub\n", threadId, boost);
|
|
}
|
|
|
|
/**********************************************************************
|
|
* SetThreadLocale [KERNEL32.671] Sets the calling threads current locale.
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*
|
|
* NOTES
|
|
* Implemented in NT only (3.1 and above according to MS
|
|
*/
|
|
BOOL32 WINAPI SetThreadLocale(
|
|
LCID lcid) /* [in] Locale identifier */
|
|
{
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
return FALSE;
|
|
}
|