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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
parent b160677e9e
commit 9cd0f6ffac
8 changed files with 103 additions and 1 deletions
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4
Kernel/Process.h
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@ -40,9 +40,11 @@ public:
enum Priority
{
IdlePriority,
FirstPriority = IdlePriority,
LowPriority,
NormalPriority,
HighPriority,
LastPriority = HighPriority,
};
enum RingLevel
@ -186,6 +188,8 @@ public:
int sys$setsockopt(const Syscall::SC_setsockopt_params*);
int sys$getsockname(int sockfd, sockaddr* addr, socklen_t* addrlen);
int sys$getpeername(int sockfd, sockaddr* addr, socklen_t* addrlen);
int sys$sched_setparam(pid_t pid, const struct sched_param* param);
int sys$sched_getparam(pid_t pid, struct sched_param* param);
int sys$restore_signal_mask(dword mask);
int sys$create_thread(int (*)(void*), void*);
void sys$exit_thread(int code);