825 lines
22 KiB
C
825 lines
22 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 "config.h"
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#include <assert.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#ifdef HAVE_SYS_MMAN_H
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#include <sys/mman.h>
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#endif
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#include <unistd.h>
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#include "wine/winbase16.h"
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#include "wine/port.h"
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#include "thread.h"
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#include "task.h"
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#include "module.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 "winnt.h"
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#include "server.h"
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#include "services.h"
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#include "stackframe.h"
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#include "builtin16.h"
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#include "debugtools.h"
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#include "winnls.h"
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DEFAULT_DEBUG_CHANNEL(thread);
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/* TEB of the initial thread */
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static TEB initial_teb;
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extern struct _PDB current_process;
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/***********************************************************************
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* THREAD_IsWin16
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*/
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BOOL THREAD_IsWin16( TEB *teb )
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{
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return !teb || !(teb->tibflags & TEBF_WIN32);
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}
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/***********************************************************************
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* THREAD_IdToTEB
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*
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* Convert a thread id to a TEB, making sure it is valid.
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*/
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TEB *THREAD_IdToTEB( DWORD id )
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{
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TEB *ret = NULL;
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if (!id || id == GetCurrentThreadId()) return NtCurrentTeb();
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SERVER_START_REQ( get_thread_info )
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{
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req->handle = 0;
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req->tid_in = (void *)id;
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if (!SERVER_CALL()) ret = req->teb;
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}
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SERVER_END_REQ;
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if (!ret)
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{
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/* Allow task handles to be used; convert to main thread */
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if ( IsTask16( id ) )
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{
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TDB *pTask = (TDB *)GlobalLock16( id );
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if (pTask) return pTask->teb;
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}
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SetLastError( ERROR_INVALID_PARAMETER );
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}
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return ret;
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}
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/***********************************************************************
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* THREAD_InitTEB
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*
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* Initialization of a newly created TEB.
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*/
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static BOOL THREAD_InitTEB( TEB *teb )
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{
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teb->except = (void *)~0UL;
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teb->self = teb;
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teb->tibflags = TEBF_WIN32;
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teb->tls_ptr = teb->tls_array;
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teb->exit_code = STILL_ACTIVE;
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teb->request_fd = -1;
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teb->reply_fd = -1;
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teb->wait_fd[0] = -1;
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teb->wait_fd[1] = -1;
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teb->stack_top = (void *)~0UL;
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teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
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teb->StaticUnicodeString.Buffer = (PWSTR)teb->StaticUnicodeBuffer;
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teb->teb_sel = SELECTOR_AllocBlock( teb, 0x1000, WINE_LDT_FLAGS_DATA|WINE_LDT_FLAGS_32BIT );
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return (teb->teb_sel != 0);
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}
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/***********************************************************************
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* THREAD_FreeTEB
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*
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* Free data structures associated with a thread.
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* Must be called from the context of another thread.
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*/
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static void CALLBACK THREAD_FreeTEB( TEB *teb )
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{
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TRACE("(%p) called\n", teb );
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if (teb->cleanup) SERVICE_Delete( teb->cleanup );
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/* Free the associated memory */
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close( teb->request_fd );
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close( teb->reply_fd );
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close( teb->wait_fd[0] );
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close( teb->wait_fd[1] );
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if (teb->stack_sel) FreeSelector16( teb->stack_sel );
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FreeSelector16( teb->teb_sel );
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if (teb->buffer) munmap( (void *)teb->buffer, teb->buffer_size );
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if (teb->debug_info) HeapFree( GetProcessHeap(), 0, teb->debug_info );
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VirtualFree( teb->stack_base, 0, MEM_RELEASE );
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}
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/***********************************************************************
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* THREAD_InitStack
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*
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* Allocate the stack of a thread.
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*/
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TEB *THREAD_InitStack( TEB *teb, DWORD stack_size )
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{
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DWORD old_prot, total_size;
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DWORD page_size = getpagesize();
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void *base;
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/* Allocate the stack */
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if (stack_size >= 16*1024*1024)
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WARN("Thread stack size is %ld MB.\n",stack_size/1024/1024);
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/* if size is smaller than default, get stack size from parent */
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if (stack_size < 1024 * 1024)
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{
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if (teb)
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stack_size = 1024 * 1024; /* no parent */
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else
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stack_size = ((char *)NtCurrentTeb()->stack_top - (char *)NtCurrentTeb()->stack_base
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- SIGNAL_STACK_SIZE - 3 * page_size);
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}
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/* FIXME: some Wine functions use a lot of stack, so we add 64Kb here */
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stack_size += 64 * 1024;
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/* Memory layout in allocated block:
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*
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* size contents
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* 1 page NOACCESS guard page
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* SIGNAL_STACK_SIZE signal stack
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* 1 page NOACCESS guard page
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* 1 page PAGE_GUARD guard page
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* stack_size normal stack
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* 64Kb 16-bit stack (optional)
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* 1 page TEB (except for initial thread)
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*/
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stack_size = (stack_size + (page_size - 1)) & ~(page_size - 1);
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total_size = stack_size + SIGNAL_STACK_SIZE + 3 * page_size;
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total_size += 0x10000; /* 16-bit stack */
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if (!teb) total_size += page_size;
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if (!(base = VirtualAlloc( NULL, total_size, MEM_COMMIT, PAGE_EXECUTE_READWRITE )))
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return NULL;
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if (!teb)
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{
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teb = (TEB *)((char *)base + total_size - page_size);
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if (!THREAD_InitTEB( teb ))
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{
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VirtualFree( base, 0, MEM_RELEASE );
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return NULL;
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}
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}
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teb->stack_low = base;
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teb->stack_base = base;
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teb->signal_stack = (char *)base + page_size;
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teb->stack_top = (char *)base + 3 * page_size + SIGNAL_STACK_SIZE + stack_size;
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/* Setup guard pages */
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VirtualProtect( base, 1, PAGE_NOACCESS, &old_prot );
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VirtualProtect( (char *)teb->signal_stack + SIGNAL_STACK_SIZE, 1, PAGE_NOACCESS, &old_prot );
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VirtualProtect( (char *)teb->signal_stack + SIGNAL_STACK_SIZE + page_size, 1,
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PAGE_EXECUTE_READWRITE | PAGE_GUARD, &old_prot );
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/* Allocate the 16-bit stack selector */
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teb->stack_sel = SELECTOR_AllocBlock( teb->stack_top, 0x10000, WINE_LDT_FLAGS_DATA );
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if (!teb->stack_sel) goto error;
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teb->cur_stack = MAKESEGPTR( teb->stack_sel, 0x10000 - sizeof(STACK16FRAME) );
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return teb;
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error:
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THREAD_FreeTEB( teb );
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return NULL;
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}
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/***********************************************************************
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* thread_errno_location
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*
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* Get the per-thread errno location.
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*/
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static int *thread_errno_location(void)
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{
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return &NtCurrentTeb()->thread_errno;
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}
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/***********************************************************************
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* thread_h_errno_location
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*
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* Get the per-thread h_errno location.
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*/
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static int *thread_h_errno_location(void)
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{
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return &NtCurrentTeb()->thread_h_errno;
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}
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/***********************************************************************
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* THREAD_Init
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*
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* Setup the initial thread.
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*
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* NOTES: The first allocated TEB on NT is at 0x7ffde000.
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*/
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void THREAD_Init(void)
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{
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if (!initial_teb.self) /* do it only once */
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{
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THREAD_InitTEB( &initial_teb );
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assert( initial_teb.teb_sel );
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initial_teb.process = ¤t_process;
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SYSDEPS_SetCurThread( &initial_teb );
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wine_errno_location = thread_errno_location;
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wine_h_errno_location = thread_h_errno_location;
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}
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}
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DECL_GLOBAL_CONSTRUCTOR(thread_init) { THREAD_Init(); }
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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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static void THREAD_Start(void)
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{
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HANDLE cleanup_object;
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LPTHREAD_START_ROUTINE func = (LPTHREAD_START_ROUTINE)NtCurrentTeb()->entry_point;
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/* install cleanup handler */
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if (DuplicateHandle( GetCurrentProcess(), GetCurrentThread(),
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GetCurrentProcess(), &cleanup_object,
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0, FALSE, DUPLICATE_SAME_ACCESS ))
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NtCurrentTeb()->cleanup = SERVICE_AddObject( cleanup_object, (PAPCFUNC)THREAD_FreeTEB,
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(ULONG_PTR)NtCurrentTeb() );
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PROCESS_CallUserSignalProc( USIG_THREAD_INIT, 0 );
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PE_InitTls();
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MODULE_DllThreadAttach( NULL );
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ExitThread( func( NtCurrentTeb()->entry_arg ) );
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}
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/***********************************************************************
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* CreateThread (KERNEL32.@)
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*/
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HANDLE 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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HANDLE handle = 0;
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TEB *teb;
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void *tid = 0;
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int request_pipe[2];
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if (pipe( request_pipe ) == -1)
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{
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SetLastError( ERROR_TOO_MANY_OPEN_FILES );
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return 0;
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}
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fcntl( request_pipe[1], F_SETFD, 1 ); /* set close on exec flag */
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wine_server_send_fd( request_pipe[0] );
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SERVER_START_REQ( new_thread )
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{
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req->suspend = ((flags & CREATE_SUSPENDED) != 0);
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req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
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req->request_fd = request_pipe[0];
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if (!SERVER_CALL_ERR())
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{
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handle = req->handle;
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tid = req->tid;
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}
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close( request_pipe[0] );
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}
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SERVER_END_REQ;
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if (!handle || !(teb = THREAD_InitStack( NULL, stack )))
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{
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close( request_pipe[1] );
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return 0;
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}
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teb->process = NtCurrentTeb()->process;
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teb->tid = tid;
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teb->request_fd = request_pipe[1];
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teb->entry_point = start;
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teb->entry_arg = param;
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teb->startup = THREAD_Start;
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teb->htask16 = GetCurrentTask();
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if (id) *id = (DWORD)tid;
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if (SYSDEPS_SpawnThread( teb ) == -1)
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{
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CloseHandle( handle );
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THREAD_FreeTEB( teb );
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return 0;
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}
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return handle;
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}
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/***********************************************************************
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* CreateThread16 (KERNEL.441)
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*/
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static DWORD CALLBACK THREAD_StartThread16( LPVOID threadArgs )
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{
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FARPROC16 start = ((FARPROC16 *)threadArgs)[0];
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DWORD param = ((DWORD *)threadArgs)[1];
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HeapFree( GetProcessHeap(), 0, threadArgs );
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((LPDWORD)CURRENT_STACK16)[-1] = param;
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return wine_call_to_16_long( start, sizeof(DWORD) );
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}
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HANDLE WINAPI CreateThread16( SECURITY_ATTRIBUTES *sa, DWORD stack,
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FARPROC16 start, SEGPTR param,
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DWORD flags, LPDWORD id )
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{
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DWORD *threadArgs = HeapAlloc( GetProcessHeap(), 0, 2*sizeof(DWORD) );
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if (!threadArgs) return INVALID_HANDLE_VALUE;
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threadArgs[0] = (DWORD)start;
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threadArgs[1] = (DWORD)param;
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return CreateThread( sa, stack, THREAD_StartThread16, threadArgs, flags, id );
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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( DWORD code ) /* [in] Exit code for this thread */
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{
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BOOL last;
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SERVER_START_REQ( terminate_thread )
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{
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/* send the exit code to the server */
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req->handle = GetCurrentThread();
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req->exit_code = code;
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SERVER_CALL();
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last = req->last;
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}
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SERVER_END_REQ;
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if (last)
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{
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MODULE_DllProcessDetach( TRUE, (LPVOID)1 );
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exit( code );
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}
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else
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{
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MODULE_DllThreadDetach( NULL );
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if (!(NtCurrentTeb()->tibflags & TEBF_WIN32)) TASK_ExitTask();
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SYSDEPS_ExitThread( code );
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}
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}
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/***********************************************************************
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* SetThreadContext [KERNEL32.670] Sets context of thread.
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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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*/
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BOOL WINAPI SetThreadContext( HANDLE handle, /* [in] Handle to thread with context */
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const CONTEXT *context ) /* [in] Address of context structure */
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{
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BOOL ret;
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SERVER_START_VAR_REQ( set_thread_context, sizeof(*context) )
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{
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req->handle = handle;
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req->flags = context->ContextFlags;
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memcpy( server_data_ptr(req), context, sizeof(*context) );
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ret = !SERVER_CALL_ERR();
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}
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SERVER_END_VAR_REQ;
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return ret;
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}
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/***********************************************************************
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* GetThreadContext [KERNEL32.@] Retrieves context of thread.
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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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*/
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BOOL WINAPI GetThreadContext( HANDLE handle, /* [in] Handle to thread with context */
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CONTEXT *context ) /* [out] Address of context structure */
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{
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BOOL ret;
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SERVER_START_VAR_REQ( get_thread_context, sizeof(*context) )
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{
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req->handle = handle;
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req->flags = context->ContextFlags;
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memcpy( server_data_ptr(req), context, sizeof(*context) );
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if ((ret = !SERVER_CALL_ERR()))
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memcpy( context, server_data_ptr(req), sizeof(*context) );
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}
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SERVER_END_VAR_REQ;
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return ret;
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}
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/**********************************************************************
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* GetThreadPriority [KERNEL32.@] Returns priority for thread.
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*
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* RETURNS
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* Success: Thread's priority level.
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* Failure: THREAD_PRIORITY_ERROR_RETURN
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*/
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INT WINAPI GetThreadPriority(
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HANDLE hthread) /* [in] Handle to thread */
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{
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INT ret = THREAD_PRIORITY_ERROR_RETURN;
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SERVER_START_REQ( get_thread_info )
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{
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req->handle = hthread;
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req->tid_in = 0;
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if (!SERVER_CALL_ERR()) ret = req->priority;
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}
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SERVER_END_REQ;
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return ret;
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}
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/**********************************************************************
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* SetThreadPriority [KERNEL32.@] Sets priority for thread.
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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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*/
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BOOL WINAPI SetThreadPriority(
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HANDLE hthread, /* [in] Handle to thread */
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INT priority) /* [in] Thread priority level */
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{
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BOOL ret;
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SERVER_START_REQ( set_thread_info )
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{
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req->handle = hthread;
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req->priority = priority;
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req->mask = SET_THREAD_INFO_PRIORITY;
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ret = !SERVER_CALL_ERR();
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}
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SERVER_END_REQ;
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return ret;
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}
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/**********************************************************************
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* GetThreadPriorityBoost [KERNEL32.877] Returns priority boost for thread.
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*
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* Always reports that priority boost is disabled.
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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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*/
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BOOL WINAPI GetThreadPriorityBoost(
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HANDLE hthread, /* [in] Handle to thread */
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PBOOL pstate) /* [out] pointer to var that receives the boost state */
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{
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if (pstate) *pstate = FALSE;
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return NO_ERROR;
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}
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/**********************************************************************
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* SetThreadPriorityBoost [KERNEL32.893] Sets priority boost for thread.
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*
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* Priority boost is not implemented. Thsi function always returns
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* FALSE and sets last error to ERROR_CALL_NOT_IMPLEMENTED
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*
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* RETURNS
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* Always returns FALSE to indicate a failure
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*/
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BOOL WINAPI SetThreadPriorityBoost(
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HANDLE hthread, /* [in] Handle to thread */
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BOOL disable) /* [in] TRUE to disable priority boost */
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{
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SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
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return FALSE;
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}
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/**********************************************************************
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* SetThreadAffinityMask (KERNEL32.669)
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*/
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DWORD WINAPI SetThreadAffinityMask( HANDLE hThread, DWORD dwThreadAffinityMask )
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{
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DWORD ret;
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SERVER_START_REQ( set_thread_info )
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{
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req->handle = hThread;
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req->affinity = dwThreadAffinityMask;
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req->mask = SET_THREAD_INFO_AFFINITY;
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ret = !SERVER_CALL_ERR();
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/* FIXME: should return previous value */
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}
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SERVER_END_REQ;
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return ret;
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}
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/**********************************************************************
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* TerminateThread [KERNEL32.685] Terminates a thread
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*
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* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*/
|
|
BOOL WINAPI TerminateThread( HANDLE handle, /* [in] Handle to thread */
|
|
DWORD exit_code) /* [in] Exit code for thread */
|
|
{
|
|
NTSTATUS status = NtTerminateThread( handle, exit_code );
|
|
if (status) SetLastError( RtlNtStatusToDosError(status) );
|
|
return !status;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* GetExitCodeThread (KERNEL32.@)
|
|
* GetExitCodeThread (WIN32S16.13)
|
|
*
|
|
* Gets termination status of thread.
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*/
|
|
BOOL WINAPI GetExitCodeThread(
|
|
HANDLE hthread, /* [in] Handle to thread */
|
|
LPDWORD exitcode) /* [out] Address to receive termination status */
|
|
{
|
|
BOOL ret;
|
|
SERVER_START_REQ( get_thread_info )
|
|
{
|
|
req->handle = hthread;
|
|
req->tid_in = 0;
|
|
ret = !SERVER_CALL_ERR();
|
|
if (ret && exitcode) *exitcode = req->exit_code;
|
|
}
|
|
SERVER_END_REQ;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* 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(
|
|
HANDLE hthread) /* [in] Identifies thread to restart */
|
|
{
|
|
DWORD ret = 0xffffffff;
|
|
SERVER_START_REQ( resume_thread )
|
|
{
|
|
req->handle = hthread;
|
|
if (!SERVER_CALL_ERR()) ret = req->count;
|
|
}
|
|
SERVER_END_REQ;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* SuspendThread [KERNEL32.681] Suspends a thread.
|
|
*
|
|
* RETURNS
|
|
* Success: Previous suspend count
|
|
* Failure: 0xFFFFFFFF
|
|
*/
|
|
DWORD WINAPI SuspendThread(
|
|
HANDLE hthread) /* [in] Handle to the thread */
|
|
{
|
|
DWORD ret = 0xffffffff;
|
|
SERVER_START_REQ( suspend_thread )
|
|
{
|
|
req->handle = hthread;
|
|
if (!SERVER_CALL_ERR()) ret = req->count;
|
|
}
|
|
SERVER_END_REQ;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* QueueUserAPC (KERNEL32.566)
|
|
*/
|
|
DWORD WINAPI QueueUserAPC( PAPCFUNC func, HANDLE hthread, ULONG_PTR data )
|
|
{
|
|
DWORD ret;
|
|
SERVER_START_REQ( queue_apc )
|
|
{
|
|
req->handle = hthread;
|
|
req->user = 1;
|
|
req->func = func;
|
|
req->param = (void *)data;
|
|
ret = !SERVER_CALL_ERR();
|
|
}
|
|
SERVER_END_REQ;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* GetThreadTimes [KERNEL32.@] Obtains timing information.
|
|
*
|
|
* NOTES
|
|
* What are the fields where these values are stored?
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*/
|
|
BOOL WINAPI GetThreadTimes(
|
|
HANDLE 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("(0x%08x): stub\n",thread);
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* VWin32_BoostThreadGroup [KERNEL.535]
|
|
*/
|
|
VOID WINAPI VWin32_BoostThreadGroup( DWORD threadId, INT boost )
|
|
{
|
|
FIXME("(0x%08lx,%d): stub\n", threadId, boost);
|
|
}
|
|
|
|
/**********************************************************************
|
|
* VWin32_BoostThreadStatic [KERNEL.536]
|
|
*/
|
|
VOID WINAPI VWin32_BoostThreadStatic( DWORD threadId, INT boost )
|
|
{
|
|
FIXME("(0x%08lx,%d): stub\n", threadId, boost);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetThreadLocale (KERNEL32.@)
|
|
*/
|
|
LCID WINAPI GetThreadLocale(void)
|
|
{
|
|
LCID ret = NtCurrentTeb()->CurrentLocale;
|
|
if (!ret) NtCurrentTeb()->CurrentLocale = ret = GetUserDefaultLCID();
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* SetThreadLocale [KERNEL32.671] Sets the calling threads current locale.
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*
|
|
* FIXME
|
|
* check if lcid is a valid cp
|
|
*/
|
|
BOOL WINAPI SetThreadLocale(
|
|
LCID lcid) /* [in] Locale identifier */
|
|
{
|
|
switch (lcid)
|
|
{
|
|
case LOCALE_SYSTEM_DEFAULT:
|
|
lcid = GetSystemDefaultLCID();
|
|
break;
|
|
case LOCALE_USER_DEFAULT:
|
|
case LOCALE_NEUTRAL:
|
|
lcid = GetUserDefaultLCID();
|
|
break;
|
|
}
|
|
NtCurrentTeb()->CurrentLocale = lcid;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetCurrentThread [KERNEL32.@] Gets pseudohandle for current thread
|
|
*
|
|
* RETURNS
|
|
* Pseudohandle for the current thread
|
|
*/
|
|
#undef GetCurrentThread
|
|
HANDLE WINAPI GetCurrentThread(void)
|
|
{
|
|
return 0xfffffffe;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ProcessIdToSessionId (KERNEL32.@)
|
|
* This function is available on Terminal Server 4SP4 and Windows 2000
|
|
*/
|
|
BOOL WINAPI ProcessIdToSessionId( DWORD procid, DWORD *sessionid_ptr )
|
|
{
|
|
/* According to MSDN, if the calling process is not in a terminal
|
|
* services environment, then the sessionid returned is zero.
|
|
*/
|
|
*sessionid_ptr = 0;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
#ifdef __i386__
|
|
|
|
/* void WINAPI SetLastError( DWORD error ); */
|
|
__ASM_GLOBAL_FUNC( SetLastError,
|
|
"movl 4(%esp),%eax\n\t"
|
|
".byte 0x64\n\t"
|
|
"movl %eax,0x60\n\t"
|
|
"ret $4" );
|
|
|
|
/* DWORD WINAPI GetLastError(void); */
|
|
__ASM_GLOBAL_FUNC( GetLastError, ".byte 0x64\n\tmovl 0x60,%eax\n\tret" );
|
|
|
|
/* DWORD WINAPI GetCurrentProcessId(void) */
|
|
__ASM_GLOBAL_FUNC( GetCurrentProcessId, ".byte 0x64\n\tmovl 0x20,%eax\n\tret" );
|
|
|
|
/* DWORD WINAPI GetCurrentThreadId(void) */
|
|
__ASM_GLOBAL_FUNC( GetCurrentThreadId, ".byte 0x64\n\tmovl 0x24,%eax\n\tret" );
|
|
|
|
#else /* __i386__ */
|
|
|
|
/**********************************************************************
|
|
* SetLastError (KERNEL.147)
|
|
* SetLastError (KERNEL32.@)
|
|
*
|
|
* Sets the last-error code.
|
|
*/
|
|
void WINAPI SetLastError( DWORD error ) /* [in] Per-thread error code */
|
|
{
|
|
NtCurrentTeb()->last_error = error;
|
|
}
|
|
|
|
/**********************************************************************
|
|
* GetLastError (KERNEL.10)
|
|
* GetLastError (KERNEL32.@)
|
|
* GetLastError (WIN32S16.10)
|
|
*
|
|
* Returns last-error code.
|
|
*/
|
|
DWORD WINAPI GetLastError(void)
|
|
{
|
|
return NtCurrentTeb()->last_error;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetCurrentProcessId (KERNEL.471)
|
|
* GetCurrentProcessId (KERNEL32.@)
|
|
*
|
|
* Returns process identifier.
|
|
*/
|
|
DWORD WINAPI GetCurrentProcessId(void)
|
|
{
|
|
return (DWORD)NtCurrentTeb()->pid;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetCurrentThreadId (KERNEL.462)
|
|
* GetCurrentThreadId (KERNEL32.@)
|
|
*
|
|
* Returns thread identifier.
|
|
*/
|
|
DWORD WINAPI GetCurrentThreadId(void)
|
|
{
|
|
return (DWORD)NtCurrentTeb()->tid;
|
|
}
|
|
|
|
#endif /* __i386__ */
|