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DavidandClaude Fable 5.1
9ef4aa2c40
Cloudberry Kingdom (PPSA23827, #3177) calls kqueue right after start-up and stopped on the throwing declarations merged with #3337; Palworld's Discord module (PPSA23126, #2648) imports kevent. kqueue reserves a host null-device descriptor in the file descriptor space and registers it as an event queue that reports each ready event once per call and moves level-triggered ones behind the others, as kqueue_scan does. close and sceKernelClose close the queue and drop the descriptor's events from every queue, dup2 drops them for the target, and dup/dup2 of a kqueue throw, so a reused descriptor number is never read as a stale kqueue. kevent follows FreeBSD 11 kern_event.c (release/11.0.1 34bd3475): kqueue_kevent for the changelist (filter 0 skipped, EV_SYSFLAGS cleared, EV_ERROR receipts with the errno in data, EV_RECEIPT, the early return when nevents is exhausted), kqueue_register for EV_ADD, EV_DELETE, EV_ENABLE, EBADF, ENOENT and EINVAL, kqueue_scan for the timeout (EINVAL for a bad timespec, zero polls, above INT32_MAX waits forever) and filt_timerattach, filt_usertouch for the timer and user filters. Read and write events reuse the guest socket poll of sceKernelAddReadEvent/WriteEvent. Throws: other filters, EV_DISABLE, EV_DISPATCH, EV_FORCEONESHOT, NOTE_LOWAT, EV_CLEAR on a socket, read/write events on non-socket descriptors or another kqueue, changes to an existing timer (11.0 and 11.4 differ), a NOTE_NSECONDS fraction above one second and a negative nevents. Recorded in TechnicalDebt. Test guest_kqueue covers creation and close, timers, a user event triggered from another thread, read and write events on a socket pair, EV_ERROR receipts, the timeout and the error cases. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
#include "prx/libc/include/general/VabiMacros.hpp"
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#include <cstdio>
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#include <stdexcept>
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#include <string>
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extern "C" {
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int APS5_VABI sceNetShowIfconfig();
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int APS5_VABI scePadUnknown_n3kSX62fgNo();
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int APS5_VABI _ZN3sce4Json5Value21setNullAccessCallBackEPFRKS1_NS0_9ValueTypeEPS2_PvES6_();
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}
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namespace {
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struct Export {
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const char* name;
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int (APS5_VABI *function)();
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};
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const Export exports[] = {
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{"sceNetShowIfconfig", sceNetShowIfconfig},
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{"scePadUnknown_n3kSX62fgNo", scePadUnknown_n3kSX62fgNo},
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{"_ZN3sce4Json5Value21setNullAccessCallBackEPFRKS1_NS0_9ValueTypeEPS2_PvES6_", _ZN3sce4Json5Value21setNullAccessCallBackEPFRKS1_NS0_9ValueTypeEPS2_PvES6_},
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};
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bool ReportsNotImplemented(const Export& entry) {
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try {
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entry.function();
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} catch (const std::runtime_error& error) {
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if (std::string(error.what()) == std::string(entry.name) + " not implemented") return true;
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std::fprintf(stderr, "%s threw: %s\n", entry.name, error.what());
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return false;
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}
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std::fprintf(stderr, "%s returned instead of reporting that it is not implemented\n", entry.name);
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return false;
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}
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}
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int main() {
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bool correct = true;
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for (const auto& entry : exports) correct &= ReportsNotImplemented(entry);
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return correct ? 0 : 1;
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}
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