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[zion] Move to default permissions being supplied by KernelObjects

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This commit is contained in:
Drew Galbraith 2023-08-01 18:22:41 -07:00
parent 48c6e5b3a4
commit 1364fbed9f
16 changed files with 91 additions and 54 deletions
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8
zion/syscall/thread.cpp
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@ -7,18 +7,18 @@
glcr::ErrorCode ThreadCreate(ZThreadCreateReq* req) {
auto& curr_proc = gScheduler->CurrentProcess();
auto cap = curr_proc.GetCapability(req->proc_cap);
RET_ERR(ValidateCapability<Process>(cap, ZC_PROC_SPAWN_THREAD));
RET_ERR(ValidateCapability<Process>(cap, kZionPerm_SpawnThread));
auto parent_proc = cap->obj<Process>();
auto thread = parent_proc->CreateThread();
*req->thread_cap = curr_proc.AddNewCapability(thread, ZC_WRITE | ZC_READ);
*req->thread_cap = curr_proc.AddNewCapability(thread);
return glcr::OK;
}
glcr::ErrorCode ThreadStart(ZThreadStartReq* req) {
auto& curr_proc = gScheduler->CurrentProcess();
auto cap = curr_proc.GetCapability(req->thread_cap);
RET_ERR(ValidateCapability<Thread>(cap, ZC_WRITE));
RET_ERR(ValidateCapability<Thread>(cap, kZionPerm_Write));
auto thread = cap->obj<Thread>();
// FIXME: validate entry point is in user space.
@ -36,7 +36,7 @@ glcr::ErrorCode ThreadExit(ZThreadExitReq*) {
glcr::ErrorCode ThreadWait(ZThreadWaitReq* req) {
auto& curr_proc = gScheduler->CurrentProcess();
auto cap = curr_proc.GetCapability(req->thread_cap);
RET_ERR(ValidateCapability<Thread>(cap, ZC_READ));
RET_ERR(ValidateCapability<Thread>(cap, kZionPerm_Read));
auto thread = cap->obj<Thread>();
thread->Wait();
return glcr::OK;