mirror of
https://github.com/RGBCube/serenity
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9cd0f6ffac
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.
38 lines
654 B
C++
38 lines
654 B
C++
#include <sched.h>
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#include <errno.h>
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#include <Kernel/Syscall.h>
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extern "C" {
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int sched_yield()
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{
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int rc = syscall(SC_yield);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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int sched_get_priority_min(int policy)
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{
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(void)policy;
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return 0; // Idle
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}
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int sched_get_priority_max(int policy)
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{
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(void)policy;
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return 3; // High
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}
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int sched_setparam(pid_t pid, const struct sched_param *param)
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{
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int rc = syscall(SC_sched_setparam, pid, param);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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int sched_getparam(pid_t pid, struct sched_param *param)
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{
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int rc = syscall(SC_sched_getparam, pid, param);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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}
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