Sweden-Number/misc/toolhelp.c

208 lines
6.0 KiB
C

/*
* Misc Toolhelp functions
*
* Copyright 1996 Marcus Meissner
*/
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#include <assert.h>
#include "winbase.h"
#include "wine/winbase16.h"
#include "winerror.h"
#include "process.h"
#include "tlhelp32.h"
#include "toolhelp.h"
#include "heap.h"
#include "k32obj.h"
#include "server.h"
#include "debug.h"
/* The K32 snapshot object object */
typedef struct
{
K32OBJ header;
} SNAPSHOT_OBJECT;
/* FIXME: to make this working, we have to callback all these registered
* functions from all over the WINE code. Someone with more knowledge than
* me please do that. -Marcus
*/
static struct notify
{
HTASK16 htask;
FARPROC16 lpfnCallback;
WORD wFlags;
} *notifys = NULL;
static int nrofnotifys = 0;
static FARPROC16 HookNotify = NULL;
BOOL16 WINAPI NotifyRegister16( HTASK16 htask, FARPROC16 lpfnCallback,
WORD wFlags )
{
int i;
TRACE(toolhelp, "(%x,%lx,%x) called.\n",
htask, (DWORD)lpfnCallback, wFlags );
if (!htask) htask = GetCurrentTask();
for (i=0;i<nrofnotifys;i++)
if (notifys[i].htask==htask)
break;
if (i==nrofnotifys) {
if (notifys==NULL)
notifys=(struct notify*)HeapAlloc( SystemHeap, 0,
sizeof(struct notify) );
else
notifys=(struct notify*)HeapReAlloc( SystemHeap, 0, notifys,
sizeof(struct notify)*(nrofnotifys+1));
if (!notifys) return FALSE;
nrofnotifys++;
}
notifys[i].htask=htask;
notifys[i].lpfnCallback=lpfnCallback;
notifys[i].wFlags=wFlags;
return TRUE;
}
BOOL16 WINAPI NotifyUnregister16( HTASK16 htask )
{
int i;
TRACE(toolhelp, "(%x) called.\n", htask );
if (!htask) htask = GetCurrentTask();
for (i=nrofnotifys;i--;)
if (notifys[i].htask==htask)
break;
if (i==-1)
return FALSE;
memcpy(notifys+i,notifys+(i+1),sizeof(struct notify)*(nrofnotifys-i-1));
notifys=(struct notify*)HeapReAlloc( SystemHeap, 0, notifys,
(nrofnotifys-1)*sizeof(struct notify));
nrofnotifys--;
return TRUE;
}
BOOL16 WINAPI StackTraceCSIPFirst16(STACKTRACEENTRY *ste, WORD wSS, WORD wCS, WORD wIP, WORD wBP)
{
return TRUE;
}
BOOL16 WINAPI StackTraceFirst16(STACKTRACEENTRY *ste, HTASK16 Task)
{
return TRUE;
}
BOOL16 WINAPI StackTraceNext16(STACKTRACEENTRY *ste)
{
return TRUE;
}
/***********************************************************************
* ToolHelpHook (KERNEL.341)
* see "Undocumented Windows"
*/
FARPROC16 WINAPI ToolHelpHook16(FARPROC16 lpfnNotifyHandler)
{
FARPROC16 tmp;
tmp = HookNotify;
HookNotify = lpfnNotifyHandler;
/* just return previously installed notification function */
return tmp;
}
/***********************************************************************
* CreateToolHelp32Snapshot (KERNEL32.179)
*/
HANDLE WINAPI CreateToolhelp32Snapshot( DWORD flags, DWORD process )
{
SNAPSHOT_OBJECT *snapshot;
struct create_snapshot_request req;
struct create_snapshot_reply reply;
TRACE( toolhelp, "%lx,%lx\n", flags, process );
if (flags & (TH32CS_SNAPHEAPLIST|TH32CS_SNAPMODULE|TH32CS_SNAPTHREAD))
FIXME( toolhelp, "flags %lx not implemented\n", flags );
if (!(flags & TH32CS_SNAPPROCESS))
{
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return INVALID_HANDLE_VALUE;
}
/* Now do the snapshot */
if (!(snapshot = HeapAlloc( SystemHeap, 0, sizeof(*snapshot) )))
return INVALID_HANDLE_VALUE;
snapshot->header.type = K32OBJ_TOOLHELP_SNAPSHOT;
snapshot->header.refcount = 1;
req.flags = flags & ~TH32CS_INHERIT;
req.inherit = (flags & TH32CS_INHERIT) != 0;
CLIENT_SendRequest( REQ_CREATE_SNAPSHOT, -1, 1, &req, sizeof(req) );
if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL ))
{
HeapFree( SystemHeap, 0, snapshot );
return INVALID_HANDLE_VALUE;
}
return HANDLE_Alloc( PROCESS_Current(), &snapshot->header, 0, req.inherit, reply.handle );
}
/***********************************************************************
* TOOLHELP_Process32Next
*
* Implementation of Process32First/Next
*/
static BOOL TOOLHELP_Process32Next( HANDLE handle, LPPROCESSENTRY lppe, BOOL first )
{
struct next_process_request req;
struct next_process_reply reply;
if (lppe->dwSize < sizeof (PROCESSENTRY))
{
SetLastError( ERROR_INSUFFICIENT_BUFFER );
ERR (toolhelp, "Result buffer too small\n");
return FALSE;
}
if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), handle,
K32OBJ_TOOLHELP_SNAPSHOT, 0 )) == -1)
return FALSE;
req.reset = first;
CLIENT_SendRequest( REQ_NEXT_PROCESS, -1, 1, &req, sizeof(req) );
if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL )) return FALSE;
lppe->cntUsage = 1;
lppe->th32ProcessID = (DWORD)reply.pid;
lppe->th32DefaultHeapID = 0; /* FIXME */
lppe->th32ModuleID = 0; /* FIXME */
lppe->cntThreads = reply.threads;
lppe->th32ParentProcessID = 0; /* FIXME */
lppe->pcPriClassBase = reply.priority;
lppe->dwFlags = -1; /* FIXME */
lppe->szExeFile[0] = 0; /* FIXME */
return TRUE;
}
/***********************************************************************
* Process32First (KERNEL32.555)
*
* Return info about the first process in a toolhelp32 snapshot
*/
BOOL WINAPI Process32First(HANDLE hSnapshot, LPPROCESSENTRY lppe)
{
return TOOLHELP_Process32Next( hSnapshot, lppe, TRUE );
}
/***********************************************************************
* Process32Next (KERNEL32.556)
*
* Return info about the "next" process in a toolhelp32 snapshot
*/
BOOL WINAPI Process32Next(HANDLE hSnapshot, LPPROCESSENTRY lppe)
{
return TOOLHELP_Process32Next( hSnapshot, lppe, FALSE );
}