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Kernel: Make Process::current() return a Process& instead of Process*

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This has several benefits:
1) We no longer just blindly derefence a null pointer in various places
2) We will get nicer runtime error messages if the current process does
turn out to be null in the call location
3) GCC no longer complains about possible nullptr dereferences when
compiling without KUBSAN
This commit is contained in:
Idan Horowitz 2021-08-19 22:45:07 +03:00 • committed by Andreas Kling
parent 1259dc3623
commit cf271183b4
26 changed files with 142 additions and 141 deletions
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8
Kernel/init.cpp
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@ -262,7 +262,7 @@ void init_stage2(void*)
// This is a little bit of a hack. We can't register our process at the time we're
// creating it, but we need to be registered otherwise finalization won't be happy.
// The colonel process gets away without having to do this because it never exits.
Process::register_new(*Process::current());
Process::register_new(Process::current());
WorkQueue::initialize();
@ -352,14 +352,14 @@ void init_stage2(void*)
if (boot_profiling) {
dbgln("Starting full system boot profiling");
MutexLocker mutex_locker(Process::current()->big_lock());
auto result = Process::current()->sys$profiling_enable(-1, ~0ull);
MutexLocker mutex_locker(Process::current().big_lock());
auto result = Process::current().sys$profiling_enable(-1, ~0ull);
VERIFY(!result.is_error());
}
NetworkTask::spawn();
Process::current()->sys$exit(0);
Process::current().sys$exit(0);
VERIFY_NOT_REACHED();
}