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Moved DOS handle allocation slightly, to fix potential memory

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leaks and lost handles. Also removed some useless init code.
This commit is contained in:
Ove Kaaven 1999-01-24 19:00:46 +00:00 committed by Alexandre Julliard
parent 36a806cfae
commit e257cb5af2
1 changed files with 8 additions and 20 deletions
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24
loader/dos/dosvm.c
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@ -192,26 +192,11 @@ int DOSVM_Enter( PCONTEXT context )
ERR(module,"No task is currently active!\n");
return -1;
}
if (!pModule->lpDosTask) {
/* no VM86 (dosmod) task is currently running, start one */
if ((lpDosTask = calloc(1, sizeof(DOSTASK))) == NULL)
return 0;
lpDosTask->hModule=pModule->self;
stat=MZ_InitMemory(lpDosTask,pModule);
if (stat>=32) stat=MZ_InitTask(lpDosTask);
if (stat<32) {
free(lpDosTask);
if (!(lpDosTask=pModule->lpDosTask)) {
/* MZ_CreateProcess or MZ_AllocDPMITask should have been called first */
ERR(module,"dosmod has not been initialized!");
return -1;
}
pModule->lpDosTask = lpDosTask;
pModule->dos_image = lpDosTask->img;
/* Note: we're leaving it running after this, in case we need it again,
as this minimizes the overhead of starting it up every time...
it will be killed automatically when the current task terminates */
} else lpDosTask=pModule->lpDosTask;
/* allocate standard DOS handles */
FILE_InitProcessDosHandles();
if (context) {
#define CP(x,y) VM86.regs.x = y##_reg(context)
@ -219,6 +204,9 @@ int DOSVM_Enter( PCONTEXT context )
#undef CP
} else {
/* initial setup */
/* allocate standard DOS handles */
FILE_InitProcessDosHandles();
/* registers */
memset(&VM86,0,sizeof(VM86));
VM86.regs.cs=lpDosTask->init_cs;
VM86.regs.eip=lpDosTask->init_ip;