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goma / wine / refs/tags/wine-20030911 / . / scheduler / process.c
blob: 266e285a10781f3c32c7eccf78dc1d080256b9cf [file] [log] [blame]
/*
* Win32 processes
*
* Copyright 1996, 1998 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <assert.h>
#include <ctype.h>
#include <locale.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "wine/winbase16.h"
#include "wine/winuser16.h"
#include "wine/exception.h"
#include "wine/library.h"
#include "drive.h"
#include "module.h"
#include "file.h"
#include "heap.h"
#include "thread.h"
#include "winerror.h"
#include "wincon.h"
#include "wine/server.h"
#include "options.h"
#include "wine/debug.h"
#include "../kernel/kernel_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(process);
WINE_DECLARE_DEBUG_CHANNEL(server);
WINE_DECLARE_DEBUG_CHANNEL(relay);
WINE_DECLARE_DEBUG_CHANNEL(snoop);
WINE_DECLARE_DEBUG_CHANNEL(win32);
/* Win32 process database */
typedef struct _PDB
{
LONG header[2]; /* 00 Kernel object header */
HMODULE module; /* 08 Main exe module (NT) */
PPEB_LDR_DATA LdrData; /* 0c Pointer to loader information */
RTL_USER_PROCESS_PARAMETERS *ProcessParameters; /* 10 Process parameters */
DWORD unknown2; /* 14 Unknown */
HANDLE heap; /* 18 Default process heap */
HANDLE mem_context; /* 1c Process memory context */
DWORD flags; /* 20 Flags */
void *pdb16; /* 24 DOS PSP */
WORD PSP_sel; /* 28 Selector to DOS PSP */
WORD imte; /* 2a IMTE for the process module */
WORD threads; /* 2c Number of threads */
WORD running_threads; /* 2e Number of running threads */
WORD free_lib_count; /* 30 Recursion depth of FreeLibrary calls */
WORD ring0_threads; /* 32 Number of ring 0 threads */
HANDLE system_heap; /* 34 System heap to allocate handles */
HTASK task; /* 38 Win16 task */
void *mem_map_files; /* 3c Pointer to mem-mapped files */
struct _ENVDB *env_db; /* 40 Environment database */
void *handle_table; /* 44 Handle table */
struct _PDB *parent; /* 48 Parent process */
void *modref_list; /* 4c MODREF list */
void *thread_list; /* 50 List of threads */
void *debuggee_CB; /* 54 Debuggee context block */
void *local_heap_free; /* 58 Head of local heap free list */
DWORD unknown4; /* 5c Unknown */
CRITICAL_SECTION crit_section; /* 60 Critical section */
DWORD unknown5[3]; /* 78 Unknown */
void *console; /* 84 Console */
DWORD tls_bits[2]; /* 88 TLS in-use bits */
DWORD process_dword; /* 90 Unknown */
struct _PDB *group; /* 94 Process group */
void *exe_modref; /* 98 MODREF for the process EXE */
void *top_filter; /* 9c Top exception filter */
DWORD priority; /* a0 Priority level */
HANDLE heap_list; /* a4 Head of process heap list */
void *heap_handles; /* a8 Head of heap handles list */
DWORD unknown6; /* ac Unknown */
void *console_provider; /* b0 Console provider (??) */
WORD env_selector; /* b4 Selector to process environment */
WORD error_mode; /* b6 Error mode */
HANDLE load_done_evt; /* b8 Event for process loading done */
void *UTState; /* bc Head of Univeral Thunk list */
DWORD unknown8; /* c0 Unknown (NT) */
LCID locale; /* c4 Locale to be queried by GetThreadLocale (NT) */
} PDB;
PDB current_process;
static RTL_USER_PROCESS_PARAMETERS process_pmts;
static PEB_LDR_DATA process_ldr;
static char main_exe_name[MAX_PATH];
static char *main_exe_name_ptr = main_exe_name;
static HANDLE main_exe_file;
static unsigned int server_startticks;
int main_create_flags = 0;
/* dlls/ntdll/env.c */
extern BOOL init_user_process_pmts( size_t, char*, size_t );
extern BOOL build_command_line( char **argv );
extern void RELAY_InitDebugLists(void);
extern void SHELL_LoadRegistry(void);
extern void VERSION_Init( const char *appname );
/***********************************************************************
* get_basename
*/
inline static const char *get_basename( const char *name )
{
char *p;
if ((p = strrchr( name, '/' ))) name = p + 1;
if ((p = strrchr( name, '\\' ))) name = p + 1;
return name;
}
/***********************************************************************
* open_builtin_exe_file
*
* Open an exe file for a builtin exe.
*/
static void *open_builtin_exe_file( const char *name, char *error, int error_size,
int test_only, int *file_exists )
{
char exename[MAX_PATH], *p;
const char *basename = get_basename(name);
if (strlen(basename) >= sizeof(exename)) return NULL;
strcpy( exename, basename );
for (p = exename; *p; p++) *p = FILE_tolower(*p);
return wine_dll_load_main_exe( exename, error, error_size, test_only, file_exists );
}
/***********************************************************************
* open_exe_file
*
* Open a specific exe file, taking load order into account.
* Returns the file handle or 0 for a builtin exe.
*/
static HANDLE open_exe_file( const char *name )
{
enum loadorder_type loadorder[LOADORDER_NTYPES];
char buffer[MAX_PATH];
HANDLE handle;
int i, file_exists;
TRACE("looking for %s\n", debugstr_a(name) );
if ((handle = CreateFileA( name, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, 0, 0 )) == INVALID_HANDLE_VALUE)
{
/* file doesn't exist, check for builtin */
if (!FILE_contains_path( name )) goto error;
if (!MODULE_GetBuiltinPath( name, "", buffer, sizeof(buffer) )) goto error;
name = buffer;
}
MODULE_GetLoadOrder( loadorder, name, TRUE );
for(i = 0; i < LOADORDER_NTYPES; i++)
{
if (loadorder[i] == LOADORDER_INVALID) break;
switch(loadorder[i])
{
case LOADORDER_DLL:
TRACE( "Trying native exe %s\n", debugstr_a(name) );
if (handle != INVALID_HANDLE_VALUE) return handle;
break;
case LOADORDER_BI:
TRACE( "Trying built-in exe %s\n", debugstr_a(name) );
open_builtin_exe_file( name, NULL, 0, 1, &file_exists );
if (file_exists)
{
if (handle != INVALID_HANDLE_VALUE) CloseHandle(handle);
return 0;
}
default:
break;
}
}
if (handle != INVALID_HANDLE_VALUE) CloseHandle(handle);
error:
SetLastError( ERROR_FILE_NOT_FOUND );
return INVALID_HANDLE_VALUE;
}
/***********************************************************************
* find_exe_file
*
* Open an exe file, and return the full name and file handle.
* Returns FALSE if file could not be found.
* If file exists but cannot be opened, returns TRUE and set handle to INVALID_HANDLE_VALUE.
* If file is a builtin exe, returns TRUE and sets handle to 0.
*/
static BOOL find_exe_file( const char *name, char *buffer, int buflen, HANDLE *handle )
{
enum loadorder_type loadorder[LOADORDER_NTYPES];
int i, file_exists;
TRACE("looking for %s\n", debugstr_a(name) );
if (!SearchPathA( NULL, name, ".exe", buflen, buffer, NULL ) &&
!MODULE_GetBuiltinPath( name, ".exe", buffer, buflen ))
{
/* no builtin found, try native without extension in case it is a Unix app */
if (SearchPathA( NULL, name, NULL, buflen, buffer, NULL ))
{
TRACE( "Trying native/Unix binary %s\n", debugstr_a(buffer) );
if ((*handle = CreateFileA( buffer, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, 0, 0 )) != INVALID_HANDLE_VALUE)
return TRUE;
}
return FALSE;
}
MODULE_GetLoadOrder( loadorder, buffer, TRUE );
for(i = 0; i < LOADORDER_NTYPES; i++)
{
if (loadorder[i] == LOADORDER_INVALID) break;
switch(loadorder[i])
{
case LOADORDER_DLL:
TRACE( "Trying native exe %s\n", debugstr_a(buffer) );
if ((*handle = CreateFileA( buffer, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, 0, 0 )) != INVALID_HANDLE_VALUE)
return TRUE;
if (GetLastError() != ERROR_FILE_NOT_FOUND) return TRUE;
break;
case LOADORDER_BI:
TRACE( "Trying built-in exe %s\n", debugstr_a(buffer) );
open_builtin_exe_file( buffer, NULL, 0, 1, &file_exists );
if (file_exists)
{
*handle = 0;
return TRUE;
}
break;
default:
break;
}
}
SetLastError( ERROR_FILE_NOT_FOUND );
return FALSE;
}
/***********************************************************************
* process_init
*
* Main process initialisation code
*/
static BOOL process_init( char *argv[] )
{
BOOL ret;
size_t info_size = 0;
setbuf(stdout,NULL);
setbuf(stderr,NULL);
setlocale(LC_CTYPE,"");
/* store the program name */
argv0 = argv[0];
/* Fill the initial process structure */
current_process.threads = 1;
current_process.running_threads = 1;
current_process.ring0_threads = 1;
current_process.group = &current_process;
current_process.priority = 8; /* Normal */
current_process.ProcessParameters = &process_pmts;
current_process.LdrData = &process_ldr;
InitializeListHead(&process_ldr.InLoadOrderModuleList);
InitializeListHead(&process_ldr.InMemoryOrderModuleList);
InitializeListHead(&process_ldr.InInitializationOrderModuleList);
/* Setup the server connection */
CLIENT_InitServer();
/* Retrieve startup info from the server */
SERVER_START_REQ( init_process )
{
req->ldt_copy = &wine_ldt_copy;
if ((ret = !wine_server_call_err( req )))
{
main_exe_file = reply->exe_file;
main_create_flags = reply->create_flags;
info_size = reply->info_size;
server_startticks = reply->server_start;
process_pmts.hStdInput = reply->hstdin;
process_pmts.hStdOutput = reply->hstdout;
process_pmts.hStdError = reply->hstderr;
}
}
SERVER_END_REQ;
if (!ret) return FALSE;
/* Create the process heap */
current_process.heap = HeapCreate( HEAP_GROWABLE, 0, 0 );
if (info_size == 0)
{
/* This is wine specific: we have no parent (we're started from unix)
* so, create a simple console with bare handles to unix stdio
* input & output streams (aka simple console)
*/
wine_server_fd_to_handle( 0, GENERIC_READ|SYNCHRONIZE, TRUE, &process_pmts.hStdInput );
wine_server_fd_to_handle( 1, GENERIC_WRITE|SYNCHRONIZE, TRUE, &process_pmts.hStdOutput );
wine_server_fd_to_handle( 1, GENERIC_WRITE|SYNCHRONIZE, TRUE, &process_pmts.hStdError );
}
else
{
/* convert value from server:
* + 0 => INVALID_HANDLE_VALUE
* + console handle need to be mapped
*/
if (!process_pmts.hStdInput)
process_pmts.hStdInput = INVALID_HANDLE_VALUE;
else if (VerifyConsoleIoHandle(console_handle_map(process_pmts.hStdInput)))
process_pmts.hStdInput = console_handle_map(process_pmts.hStdInput);
if (!process_pmts.hStdOutput)
process_pmts.hStdOutput = INVALID_HANDLE_VALUE;
else if (VerifyConsoleIoHandle(console_handle_map(process_pmts.hStdOutput)))
process_pmts.hStdOutput = console_handle_map(process_pmts.hStdOutput);
if (!process_pmts.hStdError)
process_pmts.hStdError = INVALID_HANDLE_VALUE;
else if (VerifyConsoleIoHandle(console_handle_map(process_pmts.hStdError)))
process_pmts.hStdError = console_handle_map(process_pmts.hStdError);
}
/* Copy the parent environment */
if (!init_user_process_pmts( info_size, main_exe_name, sizeof(main_exe_name) ))
return FALSE;
/* Parse command line arguments */
OPTIONS_ParseOptions( !info_size ? argv : NULL );
/* <hack: to be changed later on> */
process_pmts.CurrentDirectoryName.Length = 3 * sizeof(WCHAR);
process_pmts.CurrentDirectoryName.MaximumLength = RtlGetLongestNtPathLength() * sizeof(WCHAR);
process_pmts.CurrentDirectoryName.Buffer = RtlAllocateHeap( GetProcessHeap(), 0, process_pmts.CurrentDirectoryName.MaximumLength);
process_pmts.CurrentDirectoryName.Buffer[0] = 'C';
process_pmts.CurrentDirectoryName.Buffer[1] = ':';
process_pmts.CurrentDirectoryName.Buffer[2] = '\\';
process_pmts.CurrentDirectoryName.Buffer[3] = '\0';
/* </hack: to be changed later on> */
/* initialise DOS drives */
if (!DRIVE_Init()) return FALSE;
/* initialise DOS directories */
if (!DIR_Init()) return FALSE;
/* registry initialisation */
SHELL_LoadRegistry();
/* global boot finished, the rest is process-local */
CLIENT_BootDone( TRACE_ON(server) );
if (TRACE_ON(relay) || TRACE_ON(snoop)) RELAY_InitDebugLists();
return TRUE;
}
/***********************************************************************
* start_process
*
* Startup routine of a new process. Runs on the new process stack.
*/
static void start_process( void *arg )
{
__TRY
{
LPTHREAD_START_ROUTINE entry;
HANDLE main_file = main_exe_file;
IMAGE_NT_HEADERS *nt;
PEB *peb = NtCurrentTeb()->Peb;
if (main_file)
{
UINT drive_type = GetDriveTypeA( main_exe_name );
/* don't keep the file handle open on removable media */
if (drive_type == DRIVE_REMOVABLE || drive_type == DRIVE_CDROM) main_file = 0;
}
/* Retrieve entry point address */
nt = RtlImageNtHeader( peb->ImageBaseAddress );
entry = (LPTHREAD_START_ROUTINE)((char*)peb->ImageBaseAddress +
nt->OptionalHeader.AddressOfEntryPoint);
/* Install signal handlers; this cannot be done before, since we cannot
* send exceptions to the debugger before the create process event that
* is sent by REQ_INIT_PROCESS_DONE.
* We do need the handlers in place by the time the request is over, so
* we set them up here. If we segfault between here and the server call
* something is very wrong... */
if (!SIGNAL_Init()) goto error;
/* Signal the parent process to continue */
SERVER_START_REQ( init_process_done )
{
req->module = peb->ImageBaseAddress;
req->module_size = nt->OptionalHeader.SizeOfImage;
req->entry = entry;
/* API requires a double indirection */
req->name = &main_exe_name_ptr;
req->exe_file = main_file;
req->gui = (nt->OptionalHeader.Subsystem != IMAGE_SUBSYSTEM_WINDOWS_CUI);
wine_server_add_data( req, main_exe_name, strlen(main_exe_name) );
wine_server_call( req );
peb->BeingDebugged = reply->debugged;
}
SERVER_END_REQ;
/* create the main modref and load dependencies */
if (!PE_CreateModule( peb->ImageBaseAddress, main_exe_name, 0, 0, FALSE )) goto error;
if (main_exe_file) CloseHandle( main_exe_file ); /* we no longer need it */
MODULE_DllProcessAttach( NULL, (LPVOID)1 );
if (TRACE_ON(relay))
DPRINTF( "%04lx:Starting process %s (entryproc=%p)\n",
GetCurrentThreadId(), main_exe_name, entry );
if (peb->BeingDebugged) DbgBreakPoint();
SetLastError(0); /* clear error code */
ExitThread( entry( NtCurrentTeb()->Peb ) );
error:
ExitProcess( GetLastError() );
}
__EXCEPT(UnhandledExceptionFilter)
{
TerminateThread( GetCurrentThread(), GetExceptionCode() );
}
__ENDTRY
}
/***********************************************************************
* __wine_process_init
*
* Wine initialisation: load and start the main exe file.
*/
void __wine_process_init( int argc, char *argv[] )
{
char error[1024], *p;
DWORD stack_size = 0;
int file_exists;
/* Initialize everything */
if (!process_init( argv )) exit(1);
argv++; /* remove argv[0] (wine itself) */
TRACE( "starting process name=%s file=%p argv[0]=%s\n",
debugstr_a(main_exe_name), main_exe_file, debugstr_a(argv[0]) );
if (!main_exe_name[0])
{
if (!argv[0]) OPTIONS_Usage();
if (!find_exe_file( argv[0], main_exe_name, sizeof(main_exe_name), &main_exe_file ))
{
MESSAGE( "%s: cannot find '%s'\n", argv0, argv[0] );
ExitProcess(1);
}
if (main_exe_file == INVALID_HANDLE_VALUE)
{
MESSAGE( "%s: cannot open '%s'\n", argv0, main_exe_name );
ExitProcess(1);
}
}
if (!main_exe_file) /* no file handle -> Winelib app */
{
TRACE( "starting Winelib app %s\n", debugstr_a(main_exe_name) );
if (open_builtin_exe_file( main_exe_name, error, sizeof(error), 0, &file_exists ))
goto found;
MESSAGE( "%s: cannot open builtin library for '%s': %s\n", argv0, main_exe_name, error );
ExitProcess(1);
}
VERSION_Init( main_exe_name );
switch( MODULE_GetBinaryType( main_exe_file ))
{
case BINARY_PE_EXE:
TRACE( "starting Win32 binary %s\n", debugstr_a(main_exe_name) );
if ((current_process.module = PE_LoadImage( main_exe_file, main_exe_name, 0 ))) goto found;
MESSAGE( "%s: could not load '%s' as Win32 binary\n", argv0, main_exe_name );
ExitProcess(1);
case BINARY_PE_DLL:
MESSAGE( "%s: '%s' is a DLL, not an executable\n", argv0, main_exe_name );
ExitProcess(1);
case BINARY_UNKNOWN:
/* check for .com extension */
if (!(p = strrchr( main_exe_name, '.' )) || FILE_strcasecmp( p, ".com" ))
{
MESSAGE( "%s: cannot determine executable type for '%s'\n", argv0, main_exe_name );
ExitProcess(1);
}
/* fall through */
case BINARY_WIN16:
case BINARY_DOS:
TRACE( "starting Win16/DOS binary %s\n", debugstr_a(main_exe_name) );
CloseHandle( main_exe_file );
main_exe_file = 0;
argv--;
argv[0] = "winevdm.exe";
if (open_builtin_exe_file( "winevdm.exe", error, sizeof(error), 0, &file_exists ))
goto found;
MESSAGE( "%s: trying to run '%s', cannot open builtin library for 'winevdm.exe': %s\n",
argv0, main_exe_name, error );
ExitProcess(1);
case BINARY_OS216:
MESSAGE( "%s: '%s' is an OS/2 binary, not supported\n", argv0, main_exe_name );
ExitProcess(1);
case BINARY_UNIX_EXE:
MESSAGE( "%s: '%s' is a Unix binary, not supported\n", argv0, main_exe_name );
ExitProcess(1);
case BINARY_UNIX_LIB:
{
DOS_FULL_NAME full_name;
const char *name = main_exe_name;
UNICODE_STRING nameW;
TRACE( "starting Winelib app %s\n", debugstr_a(main_exe_name) );
RtlCreateUnicodeStringFromAsciiz(&nameW, name);
if (DOSFS_GetFullName( nameW.Buffer, TRUE, &full_name )) name = full_name.long_name;
RtlFreeUnicodeString(&nameW);
CloseHandle( main_exe_file );
main_exe_file = 0;
if (wine_dlopen( name, RTLD_NOW, error, sizeof(error) ))
{
if ((p = strrchr( main_exe_name, '.' )) && !strcmp( p, ".so" )) *p = 0;
goto found;
}
MESSAGE( "%s: could not load '%s': %s\n", argv0, main_exe_name, error );
ExitProcess(1);
}
}
found:
/* build command line */
if (!build_command_line( argv )) goto error;
/* create 32-bit module for main exe */
if (!(current_process.module = BUILTIN32_LoadExeModule( current_process.module ))) goto error;
stack_size = RtlImageNtHeader(current_process.module)->OptionalHeader.SizeOfStackReserve;
/* allocate main thread stack */
if (!THREAD_InitStack( NtCurrentTeb(), stack_size )) goto error;
/* switch to the new stack */
wine_switch_to_stack( start_process, NULL, NtCurrentTeb()->Tib.StackBase );
error:
ExitProcess( GetLastError() );
}
/***********************************************************************
* build_argv
*
* Build an argv array from a command-line.
* The command-line is modified to insert nulls.
* 'reserved' is the number of args to reserve before the first one.
*/
static char **build_argv( char *cmdline, int reserved )
{
int argc;
char** argv;
char *arg,*s,*d;
int in_quotes,bcount;
argc=reserved+1;
bcount=0;
in_quotes=0;
s=cmdline;
while (1) {
if (*s=='\0' || ((*s==' ' || *s=='\t') && !in_quotes)) {
/* space */
argc++;
/* skip the remaining spaces */
while (*s==' ' || *s=='\t') {
s++;
}
if (*s=='\0')
break;
bcount=0;
continue;
} else if (*s=='\\') {
/* '\', count them */
bcount++;
} else if ((*s=='"') && ((bcount & 1)==0)) {
/* unescaped '"' */
in_quotes=!in_quotes;
bcount=0;
} else {
/* a regular character */
bcount=0;
}
s++;
}
argv=malloc(argc*sizeof(*argv));
if (!argv)
return NULL;
arg=d=s=cmdline;
bcount=0;
in_quotes=0;
argc=reserved;
while (*s) {
if ((*s==' ' || *s=='\t') && !in_quotes) {
/* Close the argument and copy it */
*d=0;
argv[argc++]=arg;
/* skip the remaining spaces */
do {
s++;
} while (*s==' ' || *s=='\t');
/* Start with a new argument */
arg=d=s;
bcount=0;
} else if (*s=='\\') {
/* '\\' */
*d++=*s++;
bcount++;
} else if (*s=='"') {
/* '"' */
if ((bcount & 1)==0) {
/* Preceeded by an even number of '\', this is half that
* number of '\', plus a '"' which we discard.
*/
d-=bcount/2;
s++;
in_quotes=!in_quotes;
} else {
/* Preceeded by an odd number of '\', this is half that
* number of '\' followed by a '"'
*/
d=d-bcount/2-1;
*d++='"';
s++;
}
bcount=0;
} else {
/* a regular character */
*d++=*s++;
bcount=0;
}
}
if (*arg) {
*d='\0';
argv[argc++]=arg;
}
argv[argc]=NULL;
return argv;
}
/***********************************************************************
* build_envp
*
* Build the environment of a new child process.
*/
static char **build_envp( const char *env, const char *extra_env )
{
const char *p;
char **envp;
int count = 0;
if (extra_env) for (p = extra_env; *p; count++) p += strlen(p) + 1;
for (p = env; *p; count++) p += strlen(p) + 1;
count += 3;
if ((envp = malloc( count * sizeof(*envp) )))
{
extern char **environ;
char **envptr = envp;
char **unixptr = environ;
/* first the extra strings */
if (extra_env) for (p = extra_env; *p; p += strlen(p) + 1) *envptr++ = (char *)p;
/* then put PATH, HOME and WINEPREFIX from the unix env */
for (unixptr = environ; unixptr && *unixptr; unixptr++)
if (!memcmp( *unixptr, "PATH=", 5 ) ||
!memcmp( *unixptr, "HOME=", 5 ) ||
!memcmp( *unixptr, "WINEPREFIX=", 11 )) *envptr++ = *unixptr;
/* now put the Windows environment strings */
for (p = env; *p; p += strlen(p) + 1)
{
if (!memcmp( p, "PATH=", 5 )) /* store PATH as WINEPATH */
{
char *winepath = malloc( strlen(p) + 5 );
strcpy( winepath, "WINE" );
strcpy( winepath + 4, p );
*envptr++ = winepath;
}
else if (memcmp( p, "HOME=", 5 ) &&
memcmp( p, "WINEPATH=", 9 ) &&
memcmp( p, "WINEPREFIX=", 11 )) *envptr++ = (char *)p;
}
*envptr = 0;
}
return envp;
}
/***********************************************************************
* exec_wine_binary
*
* Locate the Wine binary to exec for a new Win32 process.
*/
static void exec_wine_binary( char **argv, char **envp )
{
const char *path, *pos, *ptr;
/* first, try for a WINELOADER environment variable */
argv[0] = getenv("WINELOADER");
if (argv[0])
execve( argv[0], argv, envp );
/* next, try bin directory */
argv[0] = BINDIR "/wine";
execve( argv[0], argv, envp );
/* now try the path of argv0 of the current binary */
if (!(argv[0] = malloc( strlen(full_argv0) + 6 ))) return;
if ((ptr = strrchr( full_argv0, '/' )))
{
memcpy( argv[0], full_argv0, ptr - full_argv0 );
strcpy( argv[0] + (ptr - full_argv0), "/wine" );
execve( argv[0], argv, envp );
}
free( argv[0] );
/* now search in the Unix path */
if ((path = getenv( "PATH" )))
{
if (!(argv[0] = malloc( strlen(path) + 6 ))) return;
pos = path;
for (;;)
{
while (*pos == ':') pos++;
if (!*pos) break;
if (!(ptr = strchr( pos, ':' ))) ptr = pos + strlen(pos);
memcpy( argv[0], pos, ptr - pos );
strcpy( argv[0] + (ptr - pos), "/wine" );
execve( argv[0], argv, envp );
pos = ptr;
}
}
free( argv[0] );
}
/***********************************************************************
* fork_and_exec
*
* Fork and exec a new Unix binary, checking for errors.
*/
static int fork_and_exec( const char *filename, char *cmdline,
const char *env, const char *newdir )
{
int fd[2];
int pid, err;
if (!env) env = GetEnvironmentStringsA();
if (pipe(fd) == -1)
{
FILE_SetDosError();
return -1;
}
fcntl( fd[1], F_SETFD, 1 ); /* set close on exec */
if (!(pid = fork())) /* child */
{
char **argv = build_argv( cmdline, 0 );
char **envp = build_envp( env, NULL );
close( fd[0] );
/* Reset signals that we previously set to SIG_IGN */
signal( SIGPIPE, SIG_DFL );
signal( SIGCHLD, SIG_DFL );
if (newdir) chdir(newdir);
if (argv && envp) execve( filename, argv, envp );
err = errno;
write( fd[1], &err, sizeof(err) );
_exit(1);
}
close( fd[1] );
if ((pid != -1) && (read( fd[0], &err, sizeof(err) ) > 0)) /* exec failed */
{
errno = err;
pid = -1;
}
if (pid == -1) FILE_SetDosError();
close( fd[0] );
return pid;
}
/***********************************************************************
* create_process
*
* Create a new process. If hFile is a valid handle we have an exe
* file, otherwise it is a Winelib app.
*/
static BOOL create_process( HANDLE hFile, LPCSTR filename, LPSTR cmd_line, LPCSTR env,
LPSECURITY_ATTRIBUTES psa, LPSECURITY_ATTRIBUTES tsa,
BOOL inherit, DWORD flags, LPSTARTUPINFOA startup,
LPPROCESS_INFORMATION info, LPCSTR unixdir )
{
BOOL ret, success = FALSE;
HANDLE process_info;
startup_info_t startup_info;
char *extra_env = NULL;
int startfd[2];
int execfd[2];
pid_t pid;
int err;
char dummy = 0;
if (!env)
{
env = GetEnvironmentStringsA();
extra_env = DRIVE_BuildEnv();
}
/* create the synchronization pipes */
if (pipe( startfd ) == -1)
{
FILE_SetDosError();
return FALSE;
}
if (pipe( execfd ) == -1)
{
close( startfd[0] );
close( startfd[1] );
FILE_SetDosError();
return FALSE;
}
fcntl( execfd[1], F_SETFD, 1 ); /* set close on exec */
/* create the child process */
if (!(pid = fork())) /* child */
{
char **argv = build_argv( cmd_line, 1 );
char **envp = build_envp( env, extra_env );
close( startfd[1] );
close( execfd[0] );
/* wait for parent to tell us to start */
if (read( startfd[0], &dummy, 1 ) != 1) _exit(1);
close( startfd[0] );
/* Reset signals that we previously set to SIG_IGN */
signal( SIGPIPE, SIG_DFL );
signal( SIGCHLD, SIG_DFL );
if (unixdir) chdir(unixdir);
if (argv && envp) exec_wine_binary( argv, envp );
err = errno;
write( execfd[1], &err, sizeof(err) );
_exit(1);
}
/* this is the parent */
close( startfd[0] );
close( execfd[1] );
if (extra_env) HeapFree( GetProcessHeap(), 0, extra_env );
if (pid == -1)
{
close( startfd[1] );
close( execfd[0] );
FILE_SetDosError();
return FALSE;
}
/* fill the startup info structure */
startup_info.size = sizeof(startup_info);
/* startup_info.filename_len is set below */
startup_info.cmdline_len = cmd_line ? strlen(cmd_line) : 0;
startup_info.desktop_len = startup->lpDesktop ? strlen(startup->lpDesktop) : 0;
startup_info.title_len = startup->lpTitle ? strlen(startup->lpTitle) : 0;
startup_info.x = startup->dwX;
startup_info.y = startup->dwY;
startup_info.cx = startup->dwXSize;
startup_info.cy = startup->dwYSize;
startup_info.x_chars = startup->dwXCountChars;
startup_info.y_chars = startup->dwYCountChars;
startup_info.attribute = startup->dwFillAttribute;
startup_info.cmd_show = startup->wShowWindow;
startup_info.flags = startup->dwFlags;
/* create the process on the server side */
SERVER_START_REQ( new_process )
{
char buf[MAX_PATH];
LPCSTR nameptr;
req->inherit_all = inherit;
req->create_flags = flags;
req->unix_pid = pid;
req->exe_file = hFile;
if (startup->dwFlags & STARTF_USESTDHANDLES)
{
req->hstdin = startup->hStdInput;
req->hstdout = startup->hStdOutput;
req->hstderr = startup->hStdError;
}
else
{
req->hstdin = GetStdHandle( STD_INPUT_HANDLE );
req->hstdout = GetStdHandle( STD_OUTPUT_HANDLE );
req->hstderr = GetStdHandle( STD_ERROR_HANDLE );
}
if ((flags & (CREATE_NEW_CONSOLE | DETACHED_PROCESS)) != 0)
{
/* this is temporary (for console handles). We have no way to control that the handle is invalid in child process otherwise */
if (is_console_handle(req->hstdin)) req->hstdin = INVALID_HANDLE_VALUE;
if (is_console_handle(req->hstdout)) req->hstdout = INVALID_HANDLE_VALUE;
if (is_console_handle(req->hstderr)) req->hstderr = INVALID_HANDLE_VALUE;
}
else
{
if (is_console_handle(req->hstdin)) req->hstdin = console_handle_unmap(req->hstdin);
if (is_console_handle(req->hstdout)) req->hstdout = console_handle_unmap(req->hstdout);
if (is_console_handle(req->hstderr)) req->hstderr = console_handle_unmap(req->hstderr);
}
if (GetLongPathNameA( filename, buf, MAX_PATH ))
nameptr = buf;
else
nameptr = filename;
startup_info.filename_len = strlen(nameptr);
wine_server_add_data( req, &startup_info, sizeof(startup_info) );
wine_server_add_data( req, nameptr, startup_info.filename_len );
wine_server_add_data( req, cmd_line, startup_info.cmdline_len );
wine_server_add_data( req, startup->lpDesktop, startup_info.desktop_len );
wine_server_add_data( req, startup->lpTitle, startup_info.title_len );
ret = !wine_server_call_err( req );
process_info = reply->info;
}
SERVER_END_REQ;
if (!ret)
{
close( startfd[1] );
close( execfd[0] );
return FALSE;
}
/* tell child to start and wait for it to exec */
write( startfd[1], &dummy, 1 );
close( startfd[1] );
if (read( execfd[0], &err, sizeof(err) ) > 0) /* exec failed */
{
errno = err;
FILE_SetDosError();
close( execfd[0] );
CloseHandle( process_info );
return FALSE;
}
/* wait for the new process info to be ready */
WaitForSingleObject( process_info, INFINITE );
SERVER_START_REQ( get_new_process_info )
{
req->info = process_info;
req->pinherit = (psa && (psa->nLength >= sizeof(*psa)) && psa->bInheritHandle);
req->tinherit = (tsa && (tsa->nLength >= sizeof(*tsa)) && tsa->bInheritHandle);
if ((ret = !wine_server_call_err( req )))
{
info->dwProcessId = (DWORD)reply->pid;
info->dwThreadId = (DWORD)reply->tid;
info->hProcess = reply->phandle;
info->hThread = reply->thandle;
success = reply->success;
}
}
SERVER_END_REQ;
if (ret && !success) /* new process failed to start */
{
DWORD exitcode;
if (GetExitCodeProcess( info->hProcess, &exitcode )) SetLastError( exitcode );
CloseHandle( info->hThread );
CloseHandle( info->hProcess );
ret = FALSE;
}
CloseHandle( process_info );
return ret;
}
/***********************************************************************
* create_vdm_process
*
* Create a new VDM process for a 16-bit or DOS application.
*/
static BOOL create_vdm_process( LPCSTR filename, LPSTR cmd_line, LPCSTR env,
LPSECURITY_ATTRIBUTES psa, LPSECURITY_ATTRIBUTES tsa,
BOOL inherit, DWORD flags, LPSTARTUPINFOA startup,
LPPROCESS_INFORMATION info, LPCSTR unixdir )
{
BOOL ret;
LPSTR new_cmd_line = HeapAlloc( GetProcessHeap(), 0, strlen(filename) + strlen(cmd_line) + 30 );
if (!new_cmd_line)
{
SetLastError( ERROR_OUTOFMEMORY );
return FALSE;
}
sprintf( new_cmd_line, "winevdm.exe --app-name \"%s\" %s", filename, cmd_line );
ret = create_process( 0, "winevdm.exe", new_cmd_line, env, psa, tsa, inherit,
flags, startup, info, unixdir );
HeapFree( GetProcessHeap(), 0, new_cmd_line );
return ret;
}
/*************************************************************************
* get_file_name
*
* Helper for CreateProcess: retrieve the file name to load from the
* app name and command line. Store the file name in buffer, and
* return a possibly modified command line.
* Also returns a handle to the opened file if it's a Windows binary.
*/
static LPSTR get_file_name( LPCSTR appname, LPSTR cmdline, LPSTR buffer,
int buflen, HANDLE *handle )
{
char *name, *pos, *ret = NULL;
const char *p;
/* if we have an app name, everything is easy */
if (appname)
{
/* use the unmodified app name as file name */
lstrcpynA( buffer, appname, buflen );
*handle = open_exe_file( buffer );
if (!(ret = cmdline) || !cmdline[0])
{
/* no command-line, create one */
if ((ret = HeapAlloc( GetProcessHeap(), 0, strlen(appname) + 3 )))
sprintf( ret, "\"%s\"", appname );
}
return ret;
}
if (!cmdline)
{
SetLastError( ERROR_INVALID_PARAMETER );
return NULL;
}
/* first check for a quoted file name */
if ((cmdline[0] == '"') && ((p = strchr( cmdline + 1, '"' ))))
{
int len = p - cmdline - 1;
/* extract the quoted portion as file name */
if (!(name = HeapAlloc( GetProcessHeap(), 0, len + 1 ))) return NULL;
memcpy( name, cmdline + 1, len );
name[len] = 0;
if (find_exe_file( name, buffer, buflen, handle ))
ret = cmdline; /* no change necessary */
goto done;
}
/* now try the command-line word by word */
if (!(name = HeapAlloc( GetProcessHeap(), 0, strlen(cmdline) + 1 ))) return NULL;
pos = name;
p = cmdline;
while (*p)
{
do *pos++ = *p++; while (*p && *p != ' ');
*pos = 0;
if (find_exe_file( name, buffer, buflen, handle ))
{
ret = cmdline;
break;
}
}
if (!ret || !strchr( name, ' ' )) goto done; /* no change necessary */
/* now build a new command-line with quotes */
if (!(ret = HeapAlloc( GetProcessHeap(), 0, strlen(cmdline) + 3 ))) goto done;
sprintf( ret, "\"%s\"%s", name, p );
done:
HeapFree( GetProcessHeap(), 0, name );
return ret;
}
/**********************************************************************
* CreateProcessA (KERNEL32.@)
*/
BOOL WINAPI CreateProcessA( LPCSTR app_name, LPSTR cmd_line, LPSECURITY_ATTRIBUTES process_attr,
LPSECURITY_ATTRIBUTES thread_attr, BOOL inherit,
DWORD flags, LPVOID env, LPCSTR cur_dir,
LPSTARTUPINFOA startup_info, LPPROCESS_INFORMATION info )
{
BOOL retv = FALSE;
HANDLE hFile = 0;
const char *unixdir = NULL;
DOS_FULL_NAME full_dir;
char name[MAX_PATH];
LPSTR tidy_cmdline;
char *p;
/* Process the AppName and/or CmdLine to get module name and path */
TRACE("app %s cmdline %s\n", debugstr_a(app_name), debugstr_a(cmd_line) );
if (!(tidy_cmdline = get_file_name( app_name, cmd_line, name, sizeof(name), &hFile )))
return FALSE;
if (hFile == INVALID_HANDLE_VALUE) goto done;
/* Warn if unsupported features are used */
if (flags & NORMAL_PRIORITY_CLASS)
FIXME("(%s,...): NORMAL_PRIORITY_CLASS ignored\n", name);
if (flags & IDLE_PRIORITY_CLASS)
FIXME("(%s,...): IDLE_PRIORITY_CLASS ignored\n", name);
if (flags & HIGH_PRIORITY_CLASS)
FIXME("(%s,...): HIGH_PRIORITY_CLASS ignored\n", name);
if (flags & REALTIME_PRIORITY_CLASS)
FIXME("(%s,...): REALTIME_PRIORITY_CLASS ignored\n", name);
if (flags & CREATE_NEW_PROCESS_GROUP)
FIXME("(%s,...): CREATE_NEW_PROCESS_GROUP ignored\n", name);
if (flags & CREATE_UNICODE_ENVIRONMENT)
FIXME("(%s,...): CREATE_UNICODE_ENVIRONMENT ignored\n", name);
if (flags & CREATE_SEPARATE_WOW_VDM)
FIXME("(%s,...): CREATE_SEPARATE_WOW_VDM ignored\n", name);
if (flags & CREATE_SHARED_WOW_VDM)
FIXME("(%s,...): CREATE_SHARED_WOW_VDM ignored\n", name);
if (flags & CREATE_DEFAULT_ERROR_MODE)
FIXME("(%s,...): CREATE_DEFAULT_ERROR_MODE ignored\n", name);
if (flags & CREATE_NO_WINDOW)
FIXME("(%s,...): CREATE_NO_WINDOW ignored\n", name);
if (flags & PROFILE_USER)
FIXME("(%s,...): PROFILE_USER ignored\n", name);
if (flags & PROFILE_KERNEL)
FIXME("(%s,...): PROFILE_KERNEL ignored\n", name);
if (flags & PROFILE_SERVER)
FIXME("(%s,...): PROFILE_SERVER ignored\n", name);
if (startup_info->lpDesktop)
FIXME("(%s,...): startup_info->lpDesktop %s ignored\n",
name, debugstr_a(startup_info->lpDesktop));
if (startup_info->dwFlags & STARTF_RUNFULLSCREEN)
FIXME("(%s,...): STARTF_RUNFULLSCREEN ignored\n", name);
if (startup_info->dwFlags & STARTF_FORCEONFEEDBACK)
FIXME("(%s,...): STARTF_FORCEONFEEDBACK ignored\n", name);
if (startup_info->dwFlags & STARTF_FORCEOFFFEEDBACK)
FIXME("(%s,...): STARTF_FORCEOFFFEEDBACK ignored\n", name);
if (startup_info->dwFlags & STARTF_USEHOTKEY)
FIXME("(%s,...): STARTF_USEHOTKEY ignored\n", name);
if (cur_dir)
{
UNICODE_STRING cur_dirW;
RtlCreateUnicodeStringFromAsciiz(&cur_dirW, cur_dir);
if (DOSFS_GetFullName( cur_dirW.Buffer, TRUE, &full_dir ))
unixdir = full_dir.long_name;
RtlFreeUnicodeString(&cur_dirW);
}
else
{
WCHAR buf[MAX_PATH];
if (GetCurrentDirectoryW(MAX_PATH, buf))
{
if (DOSFS_GetFullName( buf, TRUE, &full_dir )) unixdir = full_dir.long_name;
}
}
info->hThread = info->hProcess = 0;
info->dwProcessId = info->dwThreadId = 0;
/* Determine executable type */
if (!hFile) /* builtin exe */
{
TRACE( "starting %s as Winelib app\n", debugstr_a(name) );
retv = create_process( 0, name, tidy_cmdline, env, process_attr, thread_attr,
inherit, flags, startup_info, info, unixdir );
goto done;
}
switch( MODULE_GetBinaryType( hFile ))
{
case BINARY_PE_EXE:
TRACE( "starting %s as Win32 binary\n", debugstr_a(name) );
retv = create_process( hFile, name, tidy_cmdline, env, process_attr, thread_attr,
inherit, flags, startup_info, info, unixdir );
break;
case BINARY_WIN16:
case BINARY_DOS:
TRACE( "starting %s as Win16/DOS binary\n", debugstr_a(name) );
retv = create_vdm_process( name, tidy_cmdline, env, process_attr, thread_attr,
inherit, flags, startup_info, info, unixdir );
break;
case BINARY_OS216:
FIXME( "%s is OS/2 binary, not supported\n", debugstr_a(name) );
SetLastError( ERROR_BAD_EXE_FORMAT );
break;
case BINARY_PE_DLL:
TRACE( "not starting %s since it is a dll\n", debugstr_a(name) );
SetLastError( ERROR_BAD_EXE_FORMAT );
break;
case BINARY_UNIX_LIB:
TRACE( "%s is a Unix library, starting as Winelib app\n", debugstr_a(name) );
retv = create_process( hFile, name, tidy_cmdline, env, process_attr, thread_attr,
inherit, flags, startup_info, info, unixdir );
break;
case BINARY_UNKNOWN:
/* check for .com or .bat extension */
if ((p = strrchr( name, '.' )))
{
if (!FILE_strcasecmp( p, ".com" ))
{
TRACE( "starting %s as DOS binary\n", debugstr_a(name) );
retv = create_vdm_process( name, tidy_cmdline, env, process_attr, thread_attr,
inherit, flags, startup_info, info, unixdir );
break;
}
if (!FILE_strcasecmp( p, ".bat" ))
{
char comspec[MAX_PATH];
if (GetEnvironmentVariableA("COMSPEC", comspec, sizeof(comspec)))
{
char *newcmdline;
if ((newcmdline = HeapAlloc( GetProcessHeap(), 0,
strlen(comspec) + 4 + strlen(tidy_cmdline) + 1)))
{
sprintf( newcmdline, "%s /c %s", comspec, tidy_cmdline);
TRACE( "starting %s as batch binary: %s\n",
debugstr_a(name), debugstr_a(newcmdline) );
retv = CreateProcessA( comspec, newcmdline, process_attr, thread_attr,
inherit, flags, env, cur_dir, startup_info, info );
HeapFree( GetProcessHeap(), 0, newcmdline );
break;
}
}
}
}
/* fall through */
case BINARY_UNIX_EXE:
{
/* unknown file, try as unix executable */
UNICODE_STRING nameW;
DOS_FULL_NAME full_name;
const char *unixfilename = name;
TRACE( "starting %s as Unix binary\n", debugstr_a(name) );
RtlCreateUnicodeStringFromAsciiz(&nameW, name);
if (DOSFS_GetFullName( nameW.Buffer, TRUE, &full_name )) unixfilename = full_name.long_name;
RtlFreeUnicodeString(&nameW);
retv = (fork_and_exec( unixfilename, tidy_cmdline, env, unixdir ) != -1);
}
break;
}
CloseHandle( hFile );
done:
if (tidy_cmdline != cmd_line) HeapFree( GetProcessHeap(), 0, tidy_cmdline );
return retv;
}
/**********************************************************************
* CreateProcessW (KERNEL32.@)
* NOTES
* lpReserved is not converted
*/
BOOL WINAPI CreateProcessW( LPCWSTR app_name, LPWSTR cmd_line, LPSECURITY_ATTRIBUTES process_attr,
LPSECURITY_ATTRIBUTES thread_attr, BOOL inherit, DWORD flags,
LPVOID env, LPCWSTR cur_dir, LPSTARTUPINFOW startup_info,
LPPROCESS_INFORMATION info )
{
BOOL ret;
STARTUPINFOA StartupInfoA;
LPSTR app_nameA = HEAP_strdupWtoA (GetProcessHeap(),0,app_name);
LPSTR cmd_lineA = HEAP_strdupWtoA (GetProcessHeap(),0,cmd_line);
LPSTR cur_dirA = HEAP_strdupWtoA (GetProcessHeap(),0,cur_dir);
memcpy (&StartupInfoA, startup_info, sizeof(STARTUPINFOA));
StartupInfoA.lpDesktop = HEAP_strdupWtoA (GetProcessHeap(),0,startup_info->lpDesktop);
StartupInfoA.lpTitle = HEAP_strdupWtoA (GetProcessHeap(),0,startup_info->lpTitle);
TRACE_(win32)("(%s,%s,...)\n", debugstr_w(app_name), debugstr_w(cmd_line));
if (startup_info->lpReserved)
FIXME_(win32)("StartupInfo.lpReserved is used, please report (%s)\n",
debugstr_w(startup_info->lpReserved));
ret = CreateProcessA( app_nameA, cmd_lineA, process_attr, thread_attr,
inherit, flags, env, cur_dirA, &StartupInfoA, info );
HeapFree( GetProcessHeap(), 0, cur_dirA );
HeapFree( GetProcessHeap(), 0, cmd_lineA );
HeapFree( GetProcessHeap(), 0, StartupInfoA.lpDesktop );
HeapFree( GetProcessHeap(), 0, StartupInfoA.lpTitle );
return ret;
}
/***********************************************************************
* ExitProcess (KERNEL32.@)
*/
void WINAPI ExitProcess( DWORD status )
{
LdrShutdownProcess();
SERVER_START_REQ( terminate_process )
{
/* send the exit code to the server */
req->handle = GetCurrentProcess();
req->exit_code = status;
wine_server_call( req );
}
SERVER_END_REQ;
exit( status );
}
/******************************************************************************
* TerminateProcess (KERNEL32.@)
*/
BOOL WINAPI TerminateProcess( HANDLE handle, DWORD exit_code )
{
NTSTATUS status = NtTerminateProcess( handle, exit_code );
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* GetExitCodeProcess [KERNEL32.@]
*
* Gets termination status of specified process
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI GetExitCodeProcess(
HANDLE hProcess, /* [in] handle to the process */
LPDWORD lpExitCode) /* [out] address to receive termination status */
{
BOOL ret;
SERVER_START_REQ( get_process_info )
{
req->handle = hProcess;
ret = !wine_server_call_err( req );
if (ret && lpExitCode) *lpExitCode = reply->exit_code;
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* SetErrorMode (KERNEL32.@)
*/
UINT WINAPI SetErrorMode( UINT mode )
{
UINT old = current_process.error_mode;
current_process.error_mode = mode;
return old;
}
/***********************************************************************
* GetTickCount (KERNEL32.@)
*
* Returns the number of milliseconds, modulo 2^32, since the start
* of the wineserver.
*/
DWORD WINAPI GetTickCount(void)
{
struct timeval t;
gettimeofday( &t, NULL );
return ((t.tv_sec * 1000) + (t.tv_usec / 1000)) - server_startticks;
}
/**********************************************************************
* TlsAlloc [KERNEL32.@] Allocates a TLS index.
*
* Allocates a thread local storage index
*
* RETURNS
* Success: TLS Index
* Failure: 0xFFFFFFFF
*/
DWORD WINAPI TlsAlloc( void )
{
DWORD i, mask, ret = 0;
DWORD *bits = current_process.tls_bits;
RtlAcquirePebLock();
if (*bits == 0xffffffff)
{
bits++;
ret = 32;
if (*bits == 0xffffffff)
{
RtlReleasePebLock();
SetLastError( ERROR_NO_MORE_ITEMS );
return 0xffffffff;
}
}
for (i = 0, mask = 1; i < 32; i++, mask <<= 1) if (!(*bits & mask)) break;
*bits |= mask;
RtlReleasePebLock();
NtCurrentTeb()->TlsSlots[ret+i] = 0; /* clear the value */
return ret + i;
}
/**********************************************************************
* TlsFree [KERNEL32.@] Releases a TLS index.
*
* Releases a thread local storage index, making it available for reuse
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI TlsFree(
DWORD index) /* [in] TLS Index to free */
{
DWORD mask = (1 << (index & 31));
DWORD *bits = current_process.tls_bits;
if (index >= 64)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (index >= 32) bits++;
RtlAcquirePebLock();
if (!(*bits & mask)) /* already free? */
{
RtlReleasePebLock();
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
*bits &= ~mask;
NtSetInformationThread( GetCurrentThread(), ThreadZeroTlsCell, &index, sizeof(index) );
RtlReleasePebLock();
return TRUE;
}
/**********************************************************************
* TlsGetValue [KERNEL32.@] Gets value in a thread's TLS slot
*
* RETURNS
* Success: Value stored in calling thread's TLS slot for index
* Failure: 0 and GetLastError returns NO_ERROR
*/
LPVOID WINAPI TlsGetValue(
DWORD index) /* [in] TLS index to retrieve value for */
{
if (index >= 64)
{
SetLastError( ERROR_INVALID_PARAMETER );
return NULL;
}
SetLastError( ERROR_SUCCESS );
return NtCurrentTeb()->TlsSlots[index];
}
/**********************************************************************
* TlsSetValue [KERNEL32.@] Stores a value in the thread's TLS slot.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI TlsSetValue(
DWORD index, /* [in] TLS index to set value for */
LPVOID value) /* [in] Value to be stored */
{
if (index >= 64)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
NtCurrentTeb()->TlsSlots[index] = value;
return TRUE;
}