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[Zion] Add a ProcessWait syscall.

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This commit is contained in:
Drew Galbraith 2023-12-01 11:36:27 -08:00
parent 642fc4d80d
commit d9a4be6555
8 changed files with 29 additions and 8 deletions
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16
zion/syscall/process.cpp
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@ -9,7 +9,7 @@
z_err_t ProcessExit(ZProcessExitReq* req) {
auto curr_thread = gScheduler->CurrentThread();
dbgln("Exit code: {}", static_cast<glcr::ErrorCode>(req->code));
curr_thread->process().Exit();
curr_thread->process().Exit(req->code);
panic("Returned from thread exit");
return glcr::UNIMPLEMENTED;
}
@ -39,3 +39,17 @@ z_err_t ProcessSpawn(ZProcessSpawnReq* req) {
return glcr::OK;
}
z_err_t ProcessWait(ZProcessWaitReq* req) {
auto& curr_proc = gScheduler->CurrentProcess();
auto cap = curr_proc.GetCapability(req->proc_cap);
RET_ERR(ValidateCapability<Process>(cap, kZionPerm_Read));
auto proc = cap->obj<Process>();
if (proc->id() == curr_proc.id()) {
return glcr::INVALID_ARGUMENT;
}
proc->GetThread(0)->Wait();
*req->exit_code = proc->exit_code();
return glcr::OK;
}

1
zion/syscall/process.h
View file

@ -4,3 +4,4 @@
z_err_t ProcessExit(ZProcessExitReq* req);
z_err_t ProcessSpawn(ZProcessSpawnReq* req);
z_err_t ProcessWait(ZProcessWaitReq* req);

1
zion/syscall/syscall.cpp
View file

@ -53,6 +53,7 @@ extern "C" z_err_t SyscallHandler(uint64_t call_id, void* req) {
// syscall/process.h
CASE(ProcessExit);
CASE(ProcessSpawn);
CASE(ProcessWait);
// syscall/thread.h
CASE(ThreadCreate);
CASE(ThreadStart);