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* configure.ac (toplevel): Check whether GNU/Linux-specific timerfd functions and macros are available. * m4/clock_time.m4 (gl_CLOCK_TIME): Check for clock_getres as well. * src/atimer.c (toplevel) [HAVE_TIMERFD]: Include sys/timerfd.h. (toplevel): Rename alarm_timer_ok to special_timer_available. [HAVE_TIMERFD]: Declare timerfd. [HAVE_CLOCK_GETRES]: Declare resolution. (start_atimer) [HAVE_CLOCK_GETRES]: Round up timestamp to system timer resolution. (set_alarm) [HAVE_TIMERFD]: Use timerfd_settime. (timerfd_callback) [HAVE_TIMERFD]: New function. (atimer_result, debug_timer_callback, Fdebug_timer_check) [ENABLE_CHECKING]: New function for the sake of automated tests. (init_atimer) [HAVE_TIMERFD]: Setup timerfd. [HAVE_CLOCK_GETRES]: Likewise for system timer resolution. [ENABLE_CHECKING]: Defsubr test function. * src/atimer.h (timerfd_callback) [HAVE_TIMERFD]: Add prototype. * src/lisp.h (add_timer_wait_descriptor) [HAVE_TIMERFD]: Likewise. * src/process.c (add_timer_wait_descriptor) [HAVE_TIMERFD]: New function. * test/automated/timer-tests.el (timer-tests-debug-timer-check): New test.
42 lines
1.4 KiB
EmacsLisp
42 lines
1.4 KiB
EmacsLisp
;;; timer-tests.el --- tests for timers -*- lexical-binding:t -*-
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;; Copyright (C) 2013-2014 Free Software Foundation, Inc.
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(ert-deftest timer-tests-sit-for ()
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(let ((timer-ran nil)
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;; Want sit-for behavior when interactive
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(noninteractive nil))
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(run-at-time '(0 0 0 0)
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nil
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(lambda () (setq timer-ran t)))
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;; The test assumes run-at-time didn't take the liberty of firing
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;; the timer, so assert the test's assumption
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(should (not timer-ran))
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(sit-for 0 t)
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(should timer-ran)))
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(ert-deftest timer-tests-debug-timer-check ()
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;; This function exists only if --enable-checking.
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(if (fboundp 'debug-timer-check)
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(should (debug-timer-check)) t))
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;;; timer-tests.el ends here
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