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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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3
zion/object/process.cpp
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@ -59,10 +59,11 @@ uint64_t Process::AddExistingCapability(const glcr::RefPtr<Capability>& cap) {
return caps_.AddExistingCapability(cap);
}
void Process::Exit() {
void Process::Exit(uint64_t exit_code) {
// TODO: Check this state elsewhere to ensure that we don't for instance
// create a running thread on a finished process.
state_ = CLEANUP;
exit_code_ = exit_code;
for (uint64_t i = 0; i < threads_.size(); i++) {
if (!threads_[i]->IsDying()) {

4
zion/object/process.h
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@ -57,10 +57,11 @@ class Process : public KernelObject {
uint64_t AddExistingCapability(const glcr::RefPtr<Capability>& cap);
State GetState() { return state_; }
uint64_t exit_code() { return exit_code_; }
// This stops all of the processes threads (they will no longer be scheduled)
// and flags the process for cleanup.
void Exit();
void Exit(uint64_t code);
// This *should not* be called from a thread that belongs to this process.
// Rather it should be called from the cleanup thread.
@ -76,6 +77,7 @@ class Process : public KernelObject {
uint64_t id_;
glcr::RefPtr<AddressSpace> vmas_;
State state_;
uint64_t exit_code_ = -1;
uint64_t next_thread_id_ = 0;