#include <conio.h>
#include <process.h>
#include <signal.h>
#include <stdio.h>
#include "msvcrt.h"
#include "mtdll.h"
#include "winuser.h"
#include "wine/debug.h"

Include dependency graph for exit.c:

Go to the source code of this file.

Macros
#define	LOCK_EXIT _lock(_EXIT_LOCK1)

#define	UNLOCK_EXIT _unlock(_EXIT_LOCK1)

Typedefs
typedef void(__stdcall *	_tls_callback_type) (void , ULONG, void )

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (msvcrt)

static int	initialize_onexit_table (_onexit_table_t *table)

static int	register_onexit_function (_onexit_table_t *table, _onexit_t func)

static int	execute_onexit_table (_onexit_table_t *table)

static void	call_atexit (void)

_onexit_t CDECL	__dllonexit (_onexit_t func, _onexit_t start, _onexit_t end)

void CDECL	_exit (int exitcode)

static void	DoMessageBoxW (const wchar_t lead, const wchar_t message)

static void	DoMessageBox (const char lead, const char message)

void CDECL	_amsg_exit (int errnum)

void CDECL	abort (void)

void DECLSPEC_NORETURN CDECL	_wassert (const wchar_t str, const wchar_t file, unsigned int line)

void DECLSPEC_NORETURN CDECL	_assert (const char str, const char file, unsigned int line)

void CDECL	_c_exit (void)

void CDECL	_cexit (void)

_onexit_t CDECL	_onexit (_onexit_t func)

void CDECL	exit (int exitcode)

int CDECL	MSVCRT_atexit (void(__cdecl *func)(void))

void CDECL	_register_thread_local_exe_atexit_callback (_tls_callback_type callback)

void CDECL	_purecall (void)

int CDECL	_set_error_mode (int mode)

Variables
static _purecall_handler	purecall_handler = NULL

static _onexit_table_t	MSVCRT_atexit_table

static _tls_callback_type	tls_atexit_callback

static CRITICAL_SECTION	MSVCRT_onexit_cs = { &MSVCRT_onexit_cs_debug, -1, 0, 0, 0, 0 }

static CRITICAL_SECTION_DEBUG	MSVCRT_onexit_cs_debug

int	MSVCRT_app_type

wchar_t *	MSVCRT__wpgmptr

static int	MSVCRT_error_mode = _OUT_TO_DEFAULT

void(*	CDECL )(int) = _exit

Macro Definition Documentation

◆ LOCK_EXIT

#define LOCK_EXIT _lock(_EXIT_LOCK1)

Definition at line 32 of file exit.c.

◆ UNLOCK_EXIT

#define UNLOCK_EXIT _unlock(_EXIT_LOCK1)

Definition at line 33 of file exit.c.

Typedef Documentation

◆ _tls_callback_type

typedef void(__stdcall * _tls_callback_type) (void *, ULONG, void *)

Definition at line 39 of file exit.c.

Function Documentation

◆ __dllonexit()

_onexit_t CDECL __dllonexit	(	_onexit_t	func,
		_onexit_t **	start,
		_onexit_t **	end
	)

Definition at line 154 of file exit.c.

{
  _onexit_t *tmp;
  int len;
 
  TRACE("(%p,%p,%p)\n", func, start, end);
 
  if (!start || !*start || !end || !*end)
  {
   FIXME("bad table\n");
   return NULL;
  }
 
  len = (*end - *start);
 
  TRACE("table start %p-%p, %d entries\n", *start, *end, len);
 
  if (++len <= 0)
    return NULL;
 
  tmp = realloc(*start, len * sizeof(*tmp));
  if (!tmp)
    return NULL;
  *start = tmp;
  *end = tmp + len;
  tmp[len - 1] = func;
  TRACE("new table start %p-%p, %d entries\n", *start, *end, len);
  return func;
}

◆ _amsg_exit()

void CDECL _amsg_exit ( int errnum )

Definition at line 233 of file exit.c.

{
  TRACE("(%d)\n", errnum);
 
  if ((MSVCRT_error_mode == _OUT_TO_MSGBOX) ||
     ((MSVCRT_error_mode == _OUT_TO_DEFAULT) && (MSVCRT_app_type == 2)))
  {
    char text[32];
    sprintf(text, "Error: R60%d",errnum);
    DoMessageBox("Runtime error!", text);
  }
  else
    _cprintf("\nruntime error R60%d\n",errnum);
  _aexit_rtn(255);
}

Referenced by _purecall(), and msvcrt_get_thread_data().

◆ _assert()

void DECLSPEC_NORETURN CDECL _assert	(	const char *	str,
		const char *	file,
		unsigned int	line
	)

Definition at line 314 of file exit.c.

{
    wchar_t strW[1024], fileW[1024];
 
    mbstowcs(strW, str, 1024);
    mbstowcs(fileW, file, 1024);
 
    _wassert(strW, fileW, line);
}

◆ _c_exit()

void CDECL _c_exit ( void )

Definition at line 327 of file exit.c.

{
  TRACE("(void)\n");
  /* All cleanup is done on DLL detach; Return to caller */
}

◆ _cexit()

void CDECL _cexit ( void )

Definition at line 336 of file exit.c.

{
  TRACE("(void)\n");
  LOCK_EXIT;
  call_atexit();
  UNLOCK_EXIT;
}

Referenced by exit().

◆ _exit()

void CDECL _exit ( int exitcode )

Definition at line 187 of file exit.c.

{
  TRACE("(%d)\n", exitcode);
  ExitProcess(exitcode);
}

Referenced by _amsg_exit(), _CrtHandleDbgReport(), _default_handler(), _wassert(), abort(), common_assert_to_message_box(), do_spawnT(), execute_command(), fork_helper(), msvcrt_spawn(), parse_object_parts(), raise(), START_TEST(), subprocess(), Test__aexit_rtn(), and thread_start().

◆ _onexit()

_onexit_t __cdecl _onexit ( _onexit_t func )

Definition at line 347 of file exit.c.

{
  TRACE("(%p)\n",func);
 
  if (!func)
    return NULL;
 
  LOCK_EXIT;
  register_onexit_function(&MSVCRT_atexit_table, func);
  UNLOCK_EXIT;
 
  return func;
}

Referenced by atexit(), and MSVCRT_atexit().

◆ _purecall()

void CDECL _purecall ( void )

Definition at line 494 of file exit.c.

{
  TRACE("(void)\n");
 
  if(purecall_handler)
      purecall_handler();
  _amsg_exit( 25 );
}

◆ _register_thread_local_exe_atexit_callback()

void CDECL _register_thread_local_exe_atexit_callback ( _tls_callback_type callback )

Definition at line 460 of file exit.c.

{
    TRACE("(%p)\n", callback);
    tls_atexit_callback = callback;
}

◆ _set_error_mode()

int CDECL _set_error_mode ( int mode )

Definition at line 515 of file exit.c.

{
 
  const int old = MSVCRT_error_mode;
  if ( _REPORT_ERRMODE != mode ) {
    MSVCRT_error_mode = mode;
  }
  return old;
}

Referenced by common_assert(), and should_write_error_to_console().

◆ _wassert()

void DECLSPEC_NORETURN CDECL _wassert	(	const wchar_t *	str,
		const wchar_t *	file,
		unsigned int	line
	)

Definition at line 293 of file exit.c.

{
  ERR("(%s,%s,%d)\n", debugstr_w(str), debugstr_w(file), line);
 
  if ((MSVCRT_error_mode == _OUT_TO_MSGBOX) ||
     ((MSVCRT_error_mode == _OUT_TO_DEFAULT) && (MSVCRT_app_type == 2)))
  {
    wchar_t text[2048];
    _snwprintf(text, sizeof(text), L"File: %ls\nLine: %d\n\nExpression: \"%ls\"", file, line, str);
    DoMessageBoxW(L"Assertion failed!", text);
  }
  else
    fwprintf(stderr, L"Assertion failed: %ls, file %ls, line %d\n\n", str, file, line);
 
  raise(SIGABRT);
  _exit(3);
}

Referenced by _assert().

◆ abort()

void CDECL abort ( void )

Definition at line 252 of file exit.c.

{
  TRACE("()\n");
 
#if (_MSVCR_VER > 0 && _MSVCR_VER < 100) || _MSVCR_VER == 120 || defined(_DEBUG)
  if (MSVCRT_abort_behavior & _WRITE_ABORT_MSG)
  {
    if ((MSVCRT_error_mode == _OUT_TO_MSGBOX) ||
       ((MSVCRT_error_mode == _OUT_TO_DEFAULT) && (MSVCRT_app_type == 2)))
    {
      DoMessageBox("Runtime error!", "abnormal program termination");
    }
    else
      _cputs("\nabnormal program termination\n");
  }
#endif
  raise(SIGABRT);
  /* in case raise() returns */
  _exit(3);
}

◆ call_atexit()

static void call_atexit ( void )

static

Definition at line 144 of file exit.c.

{
    /* Note: should only be called with the exit lock held */
    if (tls_atexit_callback) tls_atexit_callback(NULL, DLL_PROCESS_DETACH, NULL);
    execute_onexit_table(&MSVCRT_atexit_table);
}

Referenced by _cexit().

◆ DoMessageBox()

static void DoMessageBox	(	const char *	lead,
		const char *	message
	)

static

Definition at line 220 of file exit.c.

{
  wchar_t leadW[1024], messageW[1024];
 
  mbstowcs(leadW, lead, 1024);
  mbstowcs(messageW, message, 1024);
 
  DoMessageBoxW(leadW, messageW);
}

Referenced by _amsg_exit(), and abort().

◆ DoMessageBoxW()

static void DoMessageBoxW	(	const wchar_t *	lead,
		const wchar_t *	message
	)

static

Definition at line 194 of file exit.c.

{
  MSGBOXPARAMSW msgbox;
  wchar_t text[2048];
  INT ret;
 
  _snwprintf(text, ARRAY_SIZE(text), L"%ls\n\nProgram: %ls\n%ls\n\n"
          L"Press OK to exit the program, or Cancel to start the Wine debugger.\n",
          lead, MSVCRT__wpgmptr, message);
 
  msgbox.cbSize = sizeof(msgbox);
  msgbox.hwndOwner = GetActiveWindow();
  msgbox.hInstance = 0;
  msgbox.lpszText = text;
  msgbox.lpszCaption = L"Wine C++ Runtime Library";
  msgbox.dwStyle = MB_OKCANCEL|MB_ICONERROR;
  msgbox.lpszIcon = NULL;
  msgbox.dwContextHelpId = 0;
  msgbox.lpfnMsgBoxCallback = NULL;
  msgbox.dwLanguageId = LANG_NEUTRAL;
 
  ret = MessageBoxIndirectW(&msgbox);
  if (ret == IDCANCEL)
    DebugBreak();
}

Referenced by _wassert(), and DoMessageBox().

◆ execute_onexit_table()

static int execute_onexit_table ( _onexit_table_t * table )

static

Definition at line 113 of file exit.c.

{
    _onexit_table_t copy;
    _PVFV *func;
 
    if (!table)
        return -1;
 
    EnterCriticalSection(&MSVCRT_onexit_cs);
    if (!table->_first || table->_first >= table->_last)
    {
        LeaveCriticalSection(&MSVCRT_onexit_cs);
        return 0;
    }
    copy._first = table->_first;
    copy._last  = table->_last;
    copy._end   = table->_end;
    memset(table, 0, sizeof(*table));
    initialize_onexit_table(table);
    LeaveCriticalSection(&MSVCRT_onexit_cs);
 
    for (func = copy._last - 1; func >= copy._first; func--)
    {
        if (*func)
           (*func)();
    }
 
    free(copy._first);
    return 0;
}

Referenced by call_atexit().

◆ exit()

void CDECL exit ( int exitcode )

Definition at line 364 of file exit.c.

{
  HMODULE hmscoree;
  void (WINAPI *pCorExitProcess)(int);
 
  TRACE("(%d)\n",exitcode);
  _cexit();
 
  hmscoree = GetModuleHandleW(L"mscoree");
 
  if (hmscoree)
  {
    pCorExitProcess = (void*)GetProcAddress(hmscoree, "CorExitProcess");
 
    if (pCorExitProcess)
      pCorExitProcess(exitcode);
  }
 
  ExitProcess(exitcode);
}

◆ initialize_onexit_table()

static int initialize_onexit_table ( _onexit_table_t * table )

static

Definition at line 62 of file exit.c.

{
    if (!table)
        return -1;
 
    if (table->_first == table->_end)
        table->_last = table->_end = table->_first = NULL;
    return 0;
}

Referenced by execute_onexit_table().

◆ MSVCRT_atexit()

int CDECL MSVCRT_atexit ( void(__cdecl *func)(void) )

Definition at line 388 of file exit.c.

{
  TRACE("(%p)\n", func);
  return _onexit((_onexit_t)func) == (_onexit_t)func ? 0 : -1;
}

◆ register_onexit_function()

static int register_onexit_function	(	_onexit_table_t *	table,
		_onexit_t	func
	)

static

Definition at line 72 of file exit.c.

{
    if (!table)
        return -1;
 
    EnterCriticalSection(&MSVCRT_onexit_cs);
    if (!table->_first)
    {
        table->_first = calloc(32, sizeof(void *));
        if (!table->_first)
        {
            WARN("failed to allocate initial table.\n");
            LeaveCriticalSection(&MSVCRT_onexit_cs);
            return -1;
        }
        table->_last = table->_first;
        table->_end = table->_first + 32;
    }
 
    /* grow if full */
    if (table->_last == table->_end)
    {
        int len = table->_end - table->_first;
        _PVFV *tmp = realloc(table->_first, 2 * len * sizeof(void *));
        if (!tmp)
        {
            WARN("failed to grow table.\n");
            LeaveCriticalSection(&MSVCRT_onexit_cs);
            return -1;
        }
        table->_first = tmp;
        table->_end = table->_first + 2 * len;
        table->_last = table->_first + len;
    }
 
    *table->_last = (_PVFV)func;
    table->_last++;
    LeaveCriticalSection(&MSVCRT_onexit_cs);
    return 0;
}

Referenced by _onexit().

◆ WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL ( msvcrt )

Variable Documentation

◆ CDECL

void(* CDECL) (int) ( int ) = _exit

Definition at line 60 of file exit.c.

◆ MSVCRT__wpgmptr

wchar_t* MSVCRT__wpgmptr

extern

Definition at line 61 of file data.c.

Referenced by __p__wpgmptr(), _get_wpgmptr(), DoMessageBoxW(), msvcrt_free_args(), and msvcrt_init_args().

◆ MSVCRT_app_type

int MSVCRT_app_type

extern

Definition at line 59 of file data.c.

Referenced by __set_app_type(), _amsg_exit(), _wassert(), and abort().

◆ MSVCRT_atexit_table

_onexit_table_t MSVCRT_atexit_table

static

Definition at line 37 of file exit.c.

Referenced by _onexit(), and call_atexit().

◆ MSVCRT_error_mode

int MSVCRT_error_mode = _OUT_TO_DEFAULT

static

Definition at line 58 of file exit.c.

Referenced by _amsg_exit(), _set_error_mode(), _wassert(), and abort().

◆ MSVCRT_onexit_cs

static CRITICAL_SECTION MSVCRT_onexit_cs = { &MSVCRT_onexit_cs_debug, -1, 0, 0, 0, 0 }

static

Definition at line 42 of file exit.c.

Referenced by execute_onexit_table(), and register_onexit_function().

◆ MSVCRT_onexit_cs_debug

CRITICAL_SECTION_DEBUG MSVCRT_onexit_cs_debug

static

Initial value:

=
{
    0, 0, &MSVCRT_onexit_cs,
    { &MSVCRT_onexit_cs_debug.ProcessLocksList, &MSVCRT_onexit_cs_debug.ProcessLocksList },
      0, 0, { (DWORD_PTR)(__FILE__ ": MSVCRT_onexit_cs") }
}

Definition at line 43 of file exit.c.

◆ purecall_handler

_purecall_handler purecall_handler = NULL

static

Definition at line 35 of file exit.c.

Referenced by _purecall().

◆ tls_atexit_callback

_tls_callback_type tls_atexit_callback

static

Definition at line 40 of file exit.c.

Referenced by _register_thread_local_exe_atexit_callback(), and call_atexit().

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

◆ LOCK_EXIT

◆ UNLOCK_EXIT

Typedef Documentation

◆ _tls_callback_type

Function Documentation

◆ __dllonexit()

◆ _amsg_exit()

◆ _assert()

◆ _c_exit()

◆ _cexit()

◆ _exit()

◆ _onexit()

◆ _purecall()

◆ _register_thread_local_exe_atexit_callback()

◆ _set_error_mode()

◆ _wassert()

◆ abort()

◆ call_atexit()

◆ DoMessageBox()

◆ DoMessageBoxW()

◆ execute_onexit_table()

◆ exit()

◆ initialize_onexit_table()

◆ MSVCRT_atexit()

◆ register_onexit_function()

◆ WINE_DEFAULT_DEBUG_CHANNEL()

Variable Documentation

◆ CDECL

◆ MSVCRT__wpgmptr

◆ MSVCRT_app_type

◆ MSVCRT_atexit_table

◆ MSVCRT_error_mode

◆ MSVCRT_onexit_cs

◆ MSVCRT_onexit_cs_debug

◆ purecall_handler

◆ tls_atexit_callback