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