/* Copyright (C) 2003-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. The GNU C 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. The GNU C 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 the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #include <errno.h> #include <pthread.h> #include <stdio.h> #include <time.h> #include <unistd.h> #if defined _POSIX_CLOCK_SELECTION && _POSIX_CLOCK_SELECTION >= 0 static int run_test (clockid_t cl) { pthread_condattr_t condattr; pthread_cond_t cond; pthread_mutexattr_t mutattr; pthread_mutex_t mut; printf ("clock = %d\n", (int) cl); if (pthread_condattr_init (&condattr) != 0) { puts ("condattr_init failed"); return 1; } if (pthread_condattr_setclock (&condattr, cl) != 0) { puts ("condattr_setclock failed"); return 1; } clockid_t cl2; if (pthread_condattr_getclock (&condattr, &cl2) != 0) { puts ("condattr_getclock failed"); return 1; } if (cl != cl2) { printf ("condattr_getclock returned wrong value: %d, expected %d\n", (int) cl2, (int) cl); return 1; } if (pthread_cond_init (&cond, &condattr) != 0) { puts ("cond_init failed"); return 1; } if (pthread_condattr_destroy (&condattr) != 0) { puts ("condattr_destroy failed"); return 1; } if (pthread_mutexattr_init (&mutattr) != 0) { puts ("mutexattr_init failed"); return 1; } if (pthread_mutexattr_settype (&mutattr, PTHREAD_MUTEX_ERRORCHECK) != 0) { puts ("mutexattr_settype failed"); return 1; } if (pthread_mutex_init (&mut, &mutattr) != 0) { puts ("mutex_init failed"); return 1; } if (pthread_mutexattr_destroy (&mutattr) != 0) { puts ("mutexattr_destroy failed"); return 1; } if (pthread_mutex_lock (&mut) != 0) { puts ("mutex_lock failed"); return 1; } if (pthread_mutex_lock (&mut) != EDEADLK) { puts ("2nd mutex_lock did not return EDEADLK"); return 1; } struct timespec ts; if (clock_gettime (cl, &ts) != 0) { puts ("clock_gettime failed"); return 1; } /* Wait one second. */ ++ts.tv_sec; int e = pthread_cond_timedwait (&cond, &mut, &ts); if (e == 0) { puts ("cond_timedwait succeeded"); return 1; } else if (e != ETIMEDOUT) { puts ("cond_timedwait did not return ETIMEDOUT"); return 1; } struct timespec ts2; if (clock_gettime (cl, &ts2) != 0) { puts ("second clock_gettime failed"); return 1; } if (ts2.tv_sec < ts.tv_sec || (ts2.tv_sec == ts.tv_sec && ts2.tv_nsec < ts.tv_nsec)) { puts ("timeout too short"); return 1; } if (pthread_mutex_unlock (&mut) != 0) { puts ("mutex_unlock failed"); return 1; } if (pthread_mutex_destroy (&mut) != 0) { puts ("mutex_destroy failed"); return 1; } if (pthread_cond_destroy (&cond) != 0) { puts ("cond_destroy failed"); return 1; } return 0; } #endif static int do_test (void) { #if !defined _POSIX_CLOCK_SELECTION || _POSIX_CLOCK_SELECTION == -1 puts ("_POSIX_CLOCK_SELECTION not supported, test skipped"); return 0; #else int res = run_test (CLOCK_REALTIME); # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 # if _POSIX_MONOTONIC_CLOCK == 0 int e = sysconf (_SC_MONOTONIC_CLOCK); if (e < 0) puts ("CLOCK_MONOTONIC not supported"); else if (e == 0) { puts ("sysconf (_SC_MONOTONIC_CLOCK) must not return 0"); res = 1; } else # endif res |= run_test (CLOCK_MONOTONIC); # else puts ("_POSIX_MONOTONIC_CLOCK not defined"); # endif return res; #endif } #define TIMEOUT 3 #define TEST_FUNCTION do_test () #include "../test-skeleton.c"