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Kernel: Make scheduler control syscalls more generic
The syscalls are renamed as they no longer reflect the exact POSIX functionality. They can now handle setting/getting scheduler parameters for both threads and processes.
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6 changed files with 95 additions and 42 deletions
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@ -32,14 +32,26 @@ int sched_get_priority_max([[maybe_unused]] int policy)
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// https://pubs.opengroup.org/onlinepubs/9699919799/functions/sched_setparam.html
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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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Syscall::SC_scheduler_parameters_params parameters {
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.pid_or_tid = pid,
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.mode = Syscall::SchedulerParametersMode::Process,
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.parameters = *param,
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};
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int rc = syscall(SC_scheduler_set_parameters, ¶meters);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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// https://pubs.opengroup.org/onlinepubs/9699919799/functions/sched_getparam.html
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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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Syscall::SC_scheduler_parameters_params parameters {
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.pid_or_tid = pid,
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.mode = Syscall::SchedulerParametersMode::Process,
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.parameters = {},
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};
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int rc = syscall(SC_scheduler_get_parameters, ¶meters);
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if (rc == 0)
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*param = parameters.parameters;
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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}
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