Files
mercury/extras/posix/posix.getpid.m
Julien Fischer 9751360ca4 Style and formatting fixes for the POSIX binding.
extras/posix/*.m:
    As above.
2019-03-22 10:53:31 +00:00

52 lines
1.6 KiB
Mathematica

%-----------------------------------------------------------------------------%
% vim: ft=mercury ts=4 sw=4 et
%-----------------------------------------------------------------------------%
% Copyright (C) 2001 The University of Melbourne.
% Copyright (C) 2018-2019 The Mercury team.
% This file is distributed under the terms specified in COPYING.LIB.
%-----------------------------------------------------------------------------%
%
% Module: posix.getpid.m
% Main author: Michael Day <miked@lendtech.com.au>
%
%-----------------------------------------------------------------------------%
:- module posix.getpid.
:- interface.
:- pred getpid(pid_t::out, io::di, io::uo) is det.
:- pred getppid(pid_t::out, io::di, io::uo) is det.
%-----------------------------------------------------------------------------%
%-----------------------------------------------------------------------------%
:- implementation.
:- import_module int.
:- pragma foreign_decl("C", "
#include <sys/types.h>
#include <unistd.h>
").
%-----------------------------------------------------------------------------%
:- pragma foreign_proc("C",
getpid(Pid::out, _IO0::di, _IO::uo),
[promise_pure, will_not_call_mercury, thread_safe, tabled_for_io],
"
Pid = getpid();
").
:- pragma foreign_proc("C",
getppid(Pid::out, _IO0::di, _IO::uo),
[promise_pure, will_not_call_mercury, thread_safe, tabled_for_io],
"
Pid = getppid();
").
%-----------------------------------------------------------------------------%
:- end_module posix.getpid.
%-----------------------------------------------------------------------------%