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master
lib/timer_delete.c
62 строки
2 KB
Chris Hanson
timer_{delete,settime} must always return
02 июл 2026, 07:37
02 июл 2026, 07:37
dd3be6e
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/* * Check: a unit test framework for C * Copyright (C) 2001, 2002 Arien Malec * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, * MA 02110-1301, USA. */ #include "libcompat.h" #if defined(HAVE_UNISTD_H) #include <unistd.h> #endif int timer_delete(timer_t timerid CK_ATTRIBUTE_UNUSED) { #if defined(HAVE_SETITIMER) /* * If the system does not have timer_settime() but does have * setitimer() use that instead of alarm(). */ struct itimerval interval; /* * Setting values to '0' results in disabling the running timer. */ interval.it_value.tv_sec = 0; interval.it_value.tv_usec = 0; interval.it_interval.tv_sec = 0; interval.it_interval.tv_usec = 0; return setitimer(ITIMER_REAL, &interval, NULL); #elif defined(HAVE_DECL_ALARM) && defined(HAVE_ALARM_SYMBOL) /* * There is only one timer, that used by alarm. * Setting alarm(0) will not set a new alarm, and * will kill the previous timer. */ alarm(0); return 0; #else /* * There is no support for alternative timers, so there is nothing * to delete or reset. */ return 0; #endif }