From a3ec215973c3653ebdeb81dcdd1274519c376a3d Mon Sep 17 00:00:00 2001 From: Lorry Tar Creator Date: Sun, 21 Aug 2016 05:23:24 +0000 Subject: diffutils-3.5 --- gnulib-tests/test-sleep.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 gnulib-tests/test-sleep.c (limited to 'gnulib-tests/test-sleep.c') diff --git a/gnulib-tests/test-sleep.c b/gnulib-tests/test-sleep.c new file mode 100644 index 0000000..64f681e --- /dev/null +++ b/gnulib-tests/test-sleep.c @@ -0,0 +1,58 @@ +/* Test of sleep() function. + Copyright (C) 2007-2016 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Written by Bruno Haible , 2007. */ + +#include + +#include + +#include "signature.h" +SIGNATURE_CHECK (sleep, unsigned int, (unsigned int)); + +#include + +#include "macros.h" + +#if HAVE_DECL_ALARM +static void +handle_alarm (int sig) +{ + if (sig != SIGALRM) + _exit (1); +} +#endif + +int +main (void) +{ + ASSERT (sleep (1) <= 1); + + ASSERT (sleep (0) == 0); + +#if HAVE_DECL_ALARM + { + const unsigned int pentecost = 50 * 24 * 60 * 60; /* 50 days. */ + unsigned int remaining; + signal (SIGALRM, handle_alarm); + alarm (1); + remaining = sleep (pentecost); + ASSERT (pentecost - 10 < remaining && remaining <= pentecost); + } +#endif + + return 0; +} -- cgit v1.2.1