%% Copyright (c) 2012-2013, Michael Santos <michael.santos@gmail.com>
%% All rights reserved.
%%
%% Redistribution and use in source and binary forms, with or without
%% modification, are permitted provided that the following conditions
%% are met:
%%
%% Redistributions of source code must retain the above copyright
%% notice, this list of conditions and the following disclaimer.
%%
%% Redistributions in binary form must reproduce the above copyright
%% notice, this list of conditions and the following disclaimer in the
%% documentation and/or other materials provided with the distribution.
%%
%% Neither the name of the author nor the names of its contributors
%% may be used to endorse or promote products derived from this software
%% without specific prior written permission.
%%
%% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
%% "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
%% LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
%% FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
%% COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
%% INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
%% BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
%% LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
%% CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
%% LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
%% ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
%% POSSIBILITY OF SUCH DAMAGE.
-define(SIGHUP, 1).
-define(SIGINT, 2).
-define(SIGQUIT, 3).
-define(SIGILL, 4).
-define(SIGTRAP, 5).
-define(SIGABRT, 6).
-define(SIGBUS, 7).
-define(SIGFPE, 8).
-define(SIGKILL, 9).
-define(SIGUSR1, 10).
-define(SIGSEGV, 11).
-define(SIGUSR2, 12).
-define(SIGPIPE, 13).
-define(SIGALRM, 14).
-define(SIGTERM, 15).
-define(SIGSTKFLT, 16).
-define(SIGCHLD, 17).
-define(SIGCONT, 18).
-define(SIGSTOP, 19).
-define(SIGTSTP, 20).
-define(SIGTTIN, 21).
-define(SIGTTOU, 22).
-define(SIGURG, 23).
-define(SIGXCPU, 24).
-define(SIGXFSZ, 25).
-define(SIGVTALRM, 26).
-define(SIGPROF, 27).
-define(SIGWINCH, 28).
-define(SIGIO, 29).
-define(SIGPWR, 30).
-define(SIGSYS, 31).
-define(SIGRTMIN, 34).
-define(SIGRTMAX, 64).

-record(signalfd_siginfo, {
    % Signal number
    ssi_signo = 0,
    % Error number (unused)
    ssi_errno = 0,
    % Signal code
    ssi_code = 0,
    % PID of sender
    ssi_pid = 0,
    % Real UID of sender
    ssi_uid = 0,
    % File descriptor (SIGIO)
    ssi_fd = 0,
    % Kernel timer ID (POSIX timers)
    ssi_tid = 0,
    % Band event (SIGIO)
    ssi_band = 0,
    % POSIX timer overrun count
    ssi_overrun = 0,
    % Trap number that caused signal
    ssi_trapno = 0,
    % Exit status or signal (SIGCHLD)
    ssi_status = 0,
    % Integer sent by sigqueue(2)
    ssi_int = 0,
    % Pointer sent by sigqueue(2)
    ssi_ptr = 0,
    % User CPU time consumed (SIGCHLD)
    ssi_utime = 0,
    % System CPU time consumed (SIGCHLD)
    ssi_stime = 0,
    % Address that generated signal (for hardware-generated signals)
    ssi_addr = 0,
    % Pad size to 128 bytes (allow for additional fields in the future)
    pad = 0
}).