mirror of
https://github.com/FEX-Emu/FEX.git
synced 2026-10-09 05:00:16 +02:00
Ryan Houdek
2d573f7bf9
Due to the way this syscall handles siginfo_t, we only need to shift data through the padding. This is due to the syscall not allowing you to send siginfo_t with si_code being positive. Which is what the kernel uses to interpret the data if it is reinterpreting it.
46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
/*
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$info$
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tags: LinuxSyscalls|syscalls-x86-64
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$end_info$
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*/
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#include "Tests/LinuxSyscalls/SignalDelegator.h"
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#include "Tests/LinuxSyscalls/Syscalls.h"
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#include "Tests/LinuxSyscalls/Syscalls/Thread.h"
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#include "Tests/LinuxSyscalls/x64/Syscalls.h"
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#include <FEXCore/Core/X86Enums.h>
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#include <FEXCore/Core/SignalDelegator.h>
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#include <signal.h>
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#include <sys/syscall.h>
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#include <unistd.h>
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namespace FEX::HLE::x64 {
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void RegisterSignals(FEX::HLE::SyscallHandler *const Handler) {
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REGISTER_SYSCALL_IMPL_X64(rt_sigaction, [](FEXCore::Core::CpuStateFrame *Frame, int signum, const FEXCore::GuestSigAction *act, FEXCore::GuestSigAction *oldact, size_t sigsetsize) -> uint64_t {
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if (sigsetsize != 8) {
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return -EINVAL;
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}
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return FEX::HLE::_SyscallHandler->GetSignalDelegator()->RegisterGuestSignalHandler(signum, act, oldact);
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});
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REGISTER_SYSCALL_IMPL_X64(rt_sigtimedwait, [](FEXCore::Core::CpuStateFrame *Frame, uint64_t *set, siginfo_t *info, const struct timespec* timeout, size_t sigsetsize) -> uint64_t {
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return FEX::HLE::_SyscallHandler->GetSignalDelegator()->GuestSigTimedWait(set, info, timeout, sigsetsize);
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});
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if (Handler->IsHostKernelVersionAtLeast(5, 1, 0)) {
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REGISTER_SYSCALL_IMPL_X64_PASS(pidfd_send_signal, [](FEXCore::Core::CpuStateFrame *Frame, int pidfd, int sig, siginfo_t *info, unsigned int flags) -> uint64_t {
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uint64_t Result = ::syscall(SYSCALL_DEF(pidfd_send_signal), pidfd, sig, info, flags);
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SYSCALL_ERRNO();
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});
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}
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else {
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REGISTER_SYSCALL_IMPL_X64(pidfd_send_signal, UnimplementedSyscallSafe);
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}
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}
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}
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