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hugodearaujoandClaude Opus 5.5
3ba4751f98
On a PS5 (firmware 13.60) sched_get_priority_max returns 767 and sched_get_priority_min 256 for SCHED_FIFO and SCHED_RR; the two were swapped. Every other policy, SCHED_OTHER included, returns -1 with EINVAL instead of a range or a host exception. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
24 lines
926 B
C++
24 lines
926 B
C++
#include "prx/libc/include/general/VabiMacros.hpp"
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#include <cstdlib>
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#include <stdexcept>
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extern "C" int* APS5_VABI __error_nid_postfix();
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extern "C" {
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int APS5_VABI sched_get_priority_max_nid_postfix(int policy);
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int APS5_VABI sched_get_priority_min_nid_postfix(int policy);
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}
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static void Require(bool value) { if (!value) std::abort(); }
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static bool Rejects(int policy) {
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*__error_nid_postfix() = 0;
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const bool max = sched_get_priority_max_nid_postfix(policy) == -1 && *__error_nid_postfix() == 22;
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*__error_nid_postfix() = 0;
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return max && sched_get_priority_min_nid_postfix(policy) == -1 && *__error_nid_postfix() == 22;
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}
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int main() {
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Require(Rejects(-1) && Rejects(2) && Rejects(5));
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for (int policy : {1, 3}) {
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Require(sched_get_priority_max_nid_postfix(policy) == 767);
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Require(sched_get_priority_min_nid_postfix(policy) == 256);
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}
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Require(Rejects(0) && Rejects(4));
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}
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