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Kernel: Tidy up Process::try_create_user_process()

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This function is currently only ever used to create the init process
(SystemServer). It had a few idiosyncratic things about it that this
patch cleans up:

- Errors were returned in an int& out-param.
- It had a path for non-0 process PIDs which was never taken.
This commit is contained in:
Andreas Kling 2021-09-04 22:36:06 +02:00
parent ba1a6ca971
commit 3b995c6d01
3 changed files with 19 additions and 28 deletions
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2
Kernel/Process.h
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@ -179,7 +179,7 @@ public:
}
static RefPtr<Process> create_kernel_process(RefPtr<Thread>& first_thread, String&& name, void (*entry)(void*), void* entry_data = nullptr, u32 affinity = THREAD_AFFINITY_DEFAULT, RegisterProcess do_register = RegisterProcess::Yes);
static RefPtr<Process> create_user_process(RefPtr<Thread>& first_thread, const String& path, UserID, GroupID, ProcessID ppid, int& error, Vector<String>&& arguments = Vector<String>(), Vector<String>&& environment = Vector<String>(), TTY* = nullptr);
static KResultOr<NonnullRefPtr<Process>> try_create_user_process(RefPtr<Thread>& first_thread, String const& path, UserID, GroupID, Vector<String> arguments, Vector<String> environment, TTY*);
static void register_new(Process&);
bool unref() const;