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Kernel/LibC: Implement sched_* functionality to set/get process priority

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Right now, we allow anything inside a user to raise or lower any other process's
priority. This feels simple enough to me. Linux disallows raising, but
that's annoying in practice.
This commit is contained in:
Robin Burchell 2019-05-29 23:20:51 +02:00 • committed by Andreas Kling
commit 9cd0f6ffac
Notes: sideshowbarker 2024-07-19 13:50:50 +09:00
8 changed files with 103 additions and 1 deletions
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4
Kernel/Syscall.cpp
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@ -276,6 +276,10 @@ static dword handle(RegisterDump& regs, dword function, dword arg1, dword arg2,
return current->process().sys$getsockname((int)arg1, (sockaddr*)arg2, (socklen_t*)arg3);
case Syscall::SC_getpeername:
return current->process().sys$getpeername((int)arg1, (sockaddr*)arg2, (socklen_t*)arg3);
case Syscall::SC_sched_setparam:
return current->process().sys$sched_setparam((pid_t)arg1, (struct sched_param*)arg2);
case Syscall::SC_sched_getparam:
return current->process().sys$sched_setparam((pid_t)arg1, (struct sched_param*)arg2);
default:
kprintf("<%u> int0x82: Unknown function %u requested {%x, %x, %x}\n", current->process().pid(), function, arg1, arg2, arg3);
return -ENOSYS;