siginfo_t

pub const siginfo_t = switch (native_os)

File

Code

pub const siginfo_t = switch (native_os) {
    .linux => linux.siginfo_t,
    .emscripten => emscripten.siginfo_t,
    .driverkit, .ios, .maccatalyst, .macos, .tvos, .visionos, .watchos => extern struct {
        signo: SIG,
        errno: c_int,
        code: c_int,
        pid: pid_t,
        uid: uid_t,
        status: c_int,
        addr: *allowzero anyopaque,
        value: extern union {
            int: c_int,
            ptr: *anyopaque,
        },
        si_band: c_long,
        _pad: [7]c_ulong,
    },
    .freebsd => extern struct {
        // Signal number.
        signo: SIG,
        // Errno association.
        errno: c_int,
        /// Signal code.
        ///
        /// Cause of signal, one of the SI_ macros or signal-specific values, i.e.
        /// one of the FPE_... values for SIGFPE.
        /// This value is equivalent to the second argument to an old-style FreeBSD
        /// signal handler.
        code: c_int,
        /// Sending process.
        pid: pid_t,
        /// Sender's ruid.
        uid: uid_t,
        /// Exit value.
        status: c_int,
        /// Faulting instruction.
        addr: *allowzero anyopaque,
        /// Signal value.
        value: sigval,
        reason: extern union {
            fault: extern struct {
                /// Machine specific trap code.
                trapno: c_int,
            },
            timer: extern struct {
                timerid: c_int,
                overrun: c_int,
            },
            mesgq: extern struct {
                mqd: c_int,
            },
            poll: extern struct {
                /// Band event for SIGPOLL. UNUSED.
                band: c_long,
            },
            spare: extern struct {
                spare1: c_long,
                spare2: [7]c_int,
            },
        },
    },
    .illumos => extern struct {
        signo: SIG,
        code: c_int,
        errno: c_int,
        // 64bit architectures insert 4bytes of padding here, this is done by
        // correctly aligning the reason field
        reason: extern union {
            proc: extern struct {
                pid: pid_t,
                pdata: extern union {
                    kill: extern struct {
                        uid: uid_t,
                        value: sigval_t,
                    },
                    cld: extern struct {
                        utime: clock_t,
                        status: c_int,
                        stime: clock_t,
                    },
                },
                contract: illumos.ctid_t,
                zone: illumos.zoneid_t,
            },
            fault: extern struct {
                addr: *allowzero anyopaque,
                trapno: c_int,
                pc: ?*anyopaque,
            },
            file: extern struct {
                // fd not currently available for SIGPOLL.
                fd: c_int,
                band: c_long,
            },
            prof: extern struct {
                addr: ?*anyopaque,
                timestamp: timespec,
                syscall: c_short,
                sysarg: u8,
                fault: u8,
                args: [8]c_long,
                state: [10]c_int,
            },
            rctl: extern struct {
                entity: i32,
            },
            __pad: [256 - 4 * @sizeOf(c_int)]u8,
        } align(@sizeOf(usize)),

        comptime {
            assert(@sizeOf(@This()) == 256);
            assert(@alignOf(@This()) == @sizeOf(usize));
        }
    },
    .netbsd => extern union {
        pad: [128]u8,
        info: netbsd._ksiginfo,
    },
    .dragonfly => extern struct {
        signo: SIG,
        errno: c_int,
        code: c_int,
        pid: c_int,
        uid: uid_t,
        status: c_int,
        addr: *allowzero anyopaque,
        value: sigval,
        band: c_long,
        __spare__: [7]c_int,
    },
    .haiku => extern struct {
        signo: SIG,
        code: i32,
        errno: i32,

        pid: pid_t,
        uid: uid_t,
        addr: *allowzero anyopaque,
    },
    .openbsd => extern struct {
        signo: SIG,
        code: c_int,
        errno: c_int,
        data: extern union {
            proc: extern struct {
                pid: pid_t,
                pdata: extern union {
                    kill: extern struct {
                        uid: uid_t,
                        value: sigval,
                    },
                    cld: extern struct {
                        utime: clock_t,
                        stime: clock_t,
                        status: c_int,
                    },
                },
            },
            fault: extern struct {
                addr: *allowzero anyopaque,
                trapno: c_int,
            },
            __pad: [128 - 3 * @sizeOf(c_int)]u8,
        },
    },
    // https://github.com/SerenityOS/serenity/blob/ec492a1a0819e6239ea44156825c4ee7234ca3db/Kernel/API/POSIX/signal.h#L27-L37
    .serenity => extern struct {
        signo: SIG,
        code: c_int,
        errno: c_int,
        pid: pid_t,
        uid: uid_t,
        addr: ?*anyopaque,
        status: c_int,
        band: c_int,
        value: sigval,
    },
    else => void,
}