src/sys/kern/kern_exec.c - diff

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version 1.20, 2004/03/01 06:33:17	version 1.21, 2004/03/12 23:09:36
Line 596 exec_new_vmspace(struct image_params *im	Line 596 exec_new_vmspace(struct image_params *im
* otherwise, create a new VM space so that other threads are	* otherwise, create a new VM space so that other threads are
* not disrupted. If we are execing a resident vmspace we	* not disrupted. If we are execing a resident vmspace we
* create a duplicate of it and remap the stack.	* create a duplicate of it and remap the stack.
	*
	* The exitingcnt test is not strictly necessary but has been
	* included for code sanity (to make the code more deterministic).
*/	*/
map = &vmspace->vm_map;	map = &vmspace->vm_map;
if (vmcopy) {	if (vmcopy) {
Line 603 exec_new_vmspace(struct image_params *im	Line 606 exec_new_vmspace(struct image_params *im
vmspace = imgp->proc->p_vmspace;	vmspace = imgp->proc->p_vmspace;
pmap_remove_pages(vmspace_pmap(vmspace), stack_addr, USRSTACK);	pmap_remove_pages(vmspace_pmap(vmspace), stack_addr, USRSTACK);
map = &vmspace->vm_map;	map = &vmspace->vm_map;
} else if (vmspace->vm_refcnt == 1) {	} else if (vmspace->vm_refcnt == 1 && vmspace->vm_exitingcnt == 0) {
shmexit(vmspace);	shmexit(vmspace);
	if (vmspace->vm_upcalls)
	upc_release(vmspace, imgp->proc);
pmap_remove_pages(vmspace_pmap(vmspace), 0, VM_MAXUSER_ADDRESS);	pmap_remove_pages(vmspace_pmap(vmspace), 0, VM_MAXUSER_ADDRESS);
vm_map_remove(map, 0, VM_MAXUSER_ADDRESS);	vm_map_remove(map, 0, VM_MAXUSER_ADDRESS);
} else {	} else {