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Kernel: Make sure we free the thread stack on thread exit

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This adds two new arguments to the thread_exit system call which let
a thread unmap an arbitrary VM range on thread exit. LibPthread
uses this functionality to unmap the thread stack.

Fixes #7267.
This commit is contained in:
Gunnar Beutner 2021-05-28 11:20:22 +02:00 • committed by Andreas Kling
parent 95c2166ca9
commit 42d667645d
4 changed files with 22 additions and 9 deletions
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2
Kernel/Syscall.cpp
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@ -97,7 +97,7 @@ KResultOr<FlatPtr> handle(RegisterState& regs, FlatPtr function, FlatPtr arg1, F
process.sys$exit(arg1);
break;
case SC_exit_thread:
process.sys$exit_thread(arg1);
process.sys$exit_thread(arg1, arg2, arg3);
break;
default:
VERIFY_NOT_REACHED();