diff options
| -rw-r--r-- | na/include/lume/signal.h | 8 | ||||
| -rw-r--r-- | na/include/lume/signal_nr.h | 54 | ||||
| -rw-r--r-- | na/kernel/trap.cc | 2 |
3 files changed, 63 insertions, 1 deletions
diff --git a/na/include/lume/signal.h b/na/include/lume/signal.h new file mode 100644 index 0000000..5ff6ed0 --- /dev/null +++ b/na/include/lume/signal.h @@ -0,0 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* Copyright (C) 2026 Richard Qin */ + +#pragma once + +/* + * Signal subsystem interface. + */ diff --git a/na/include/lume/signal_nr.h b/na/include/lume/signal_nr.h new file mode 100644 index 0000000..8e595d7 --- /dev/null +++ b/na/include/lume/signal_nr.h @@ -0,0 +1,54 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* Copyright (C) 2026 Richard Qin */ + +#pragma once + +/* + * Linux-compatible signal numbers and related ABI constants. + * + * This mirrors the common Linux UAPI numbering used by asm-generic/signal.h. + * Keep the values stable so user-space binaries see the same numbers. + */ + +inline constexpr int _NSIG = 64; +inline constexpr int _NSIG_BPW = sizeof(unsigned long) * 8; +inline constexpr int _NSIG_WORDS = _NSIG / _NSIG_BPW; + +inline constexpr int SIGHUP = 1; +inline constexpr int SIGINT = 2; +inline constexpr int SIGQUIT = 3; +inline constexpr int SIGILL = 4; +inline constexpr int SIGTRAP = 5; +inline constexpr int SIGABRT = 6; +inline constexpr int SIGIOT = SIGABRT; +inline constexpr int SIGBUS = 7; +inline constexpr int SIGFPE = 8; +inline constexpr int SIGKILL = 9; +inline constexpr int SIGUSR1 = 10; +inline constexpr int SIGSEGV = 11; +inline constexpr int SIGUSR2 = 12; +inline constexpr int SIGPIPE = 13; +inline constexpr int SIGALRM = 14; +inline constexpr int SIGTERM = 15; +inline constexpr int SIGSTKFLT = 16; +inline constexpr int SIGCHLD = 17; +inline constexpr int SIGCONT = 18; +inline constexpr int SIGSTOP = 19; +inline constexpr int SIGTSTP = 20; +inline constexpr int SIGTTIN = 21; +inline constexpr int SIGTTOU = 22; +inline constexpr int SIGURG = 23; +inline constexpr int SIGXCPU = 24; +inline constexpr int SIGXFSZ = 25; +inline constexpr int SIGVTALRM = 26; +inline constexpr int SIGPROF = 27; +inline constexpr int SIGWINCH = 28; +inline constexpr int SIGIO = 29; +inline constexpr int SIGPOLL = SIGIO; +inline constexpr int SIGPWR = 30; +inline constexpr int SIGSYS = 31; +inline constexpr int SIGUNUSED = 31; + +/* Real-time signals start here in Linux UAPI. */ +inline constexpr int SIGRTMIN = 32; +inline constexpr int SIGRTMAX = _NSIG; diff --git a/na/kernel/trap.cc b/na/kernel/trap.cc index 7dcfa1b..738b2db 100644 --- a/na/kernel/trap.cc +++ b/na/kernel/trap.cc @@ -26,7 +26,7 @@ #include <lume/syscall.h> #include <lume/task.h> #include <lume/vmm.h> -#include <lume/signal.h> +#include <lume/signal_nr.h> #include <arch/trapframe.h> /* TrapFrame: cross-layer data contract */ /* ======================================================================== |