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// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
// Licensed under the Apache License, Version 2.0 (see LICENSE file)
// Official repository: https://github.com/ne-foss-org/nekernel
#ifndef SIGNALKIT_SIGNALS_H
#define SIGNALKIT_SIGNALS_H
#include <NeKit/Config.h>
#include <NeKit/KernelPanic.h>
#define SIGBAD 0 /* bad signal*/
#define SIGKILL 1 /* kill */
#define SIGPAUS 2 /* pause */
#define SIGEXEC 3 /* execute */
#define SIGTRAP 4 /* trap */
#define SIGABRT 5 /* abort */
#define SIGCONT 6 /* continue */
#define SIGSEG 7 /* process fault */
#define SIGBREK 8
#define SIGATCH 9
#define SIGDTCH 10
/// @author Amlal El Mahrouss
/// @brief Signal Generation API.
namespace Kernel {
typedef SizeT rt_signal_kind;
/// @brief Standard signal seed for general purpose usage.
inline constexpr auto kUserSignalSeed = 0x0895034fUL;
/// @brief Special signal seed for kernel usage.
inline constexpr auto kKernelSignalSeed = 0x0895034f9fUL;
/// @brief Generate signal from **Sig**
template <rt_signal_kind Sig, SizeT Seed = kUserSignalSeed>
inline rt_signal_kind sig_generate_unique() {
STATIC_PASS(Sig > SIGBAD, "Signal is zero (invalid)");
return Sig ^ Seed;
}
/// @brief Checks if the signal matches the seed (user_seed or kernel_seed)
template <SizeT Seed>
inline BOOL sig_matches_seed(rt_signal_kind sig) {
return (sig & 0xFF000000) == (Seed & 0xFF000000);
}
/// @brief Validate signal from **sig** and whtether the signal is greater than SIGDTCH.
inline BOOL sig_validate_unique(rt_signal_kind sig) {
return sig > SIGBAD && sig > SIGDTCH;
}
} // namespace Kernel
#endif
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