diff options
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/pthread/tst-timer.c')
-rw-r--r-- | libpthread/linuxthreads/sysdeps/pthread/tst-timer.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/libpthread/linuxthreads/sysdeps/pthread/tst-timer.c b/libpthread/linuxthreads/sysdeps/pthread/tst-timer.c new file mode 100644 index 000000000..7417bcd5f --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/pthread/tst-timer.c @@ -0,0 +1,114 @@ +/* Tests for POSIX timer implementation. + Copyright (C) 2000, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Kaz Kylheku <kaz@ashi.footprints.net>. + + 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; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <signal.h> +#include <stdio.h> +#include <time.h> +#include <unistd.h> + + +static void +notify_func (union sigval sigval) +{ + puts ("notify_func"); +} + + +static void +signal_func (int sig) +{ + static const char text[] = "signal_func\n"; + signal (sig, signal_func); + write (STDOUT_FILENO, text, sizeof text - 1); +} + +static void +intr_sleep (int sec) +{ + struct timespec ts; + + ts.tv_sec = sec; + ts.tv_nsec = 0; + + while (nanosleep (&ts, &ts) == -1 && errno == EINTR) + ; +} + +#define ZSIGALRM 14 + + +int +main (void) +{ + struct timespec ts; + timer_t timer_sig, timer_thr1, timer_thr2; + int retval; + struct sigevent sigev1 = + { + .sigev_notify = SIGEV_SIGNAL, + .sigev_signo = ZSIGALRM + }; + struct sigevent sigev2; + struct itimerspec itimer1 = { { 0, 200000000 }, { 0, 200000000 } }; + struct itimerspec itimer2 = { { 0, 100000000 }, { 0, 500000000 } }; + struct itimerspec itimer3 = { { 0, 150000000 }, { 0, 300000000 } }; + struct itimerspec old; + + retval = clock_gettime (CLOCK_REALTIME, &ts); + + sigev2.sigev_notify = SIGEV_THREAD; + sigev2.sigev_notify_function = notify_func; + sigev2.sigev_notify_attributes = NULL; + + setvbuf (stdout, 0, _IOLBF, 0); + + printf ("clock_gettime returned %d, timespec = { %ld, %ld }\n", + retval, ts.tv_sec, ts.tv_nsec); + + retval = clock_getres (CLOCK_REALTIME, &ts); + + printf ("clock_getres returned %d, timespec = { %ld, %ld }\n", + retval, ts.tv_sec, ts.tv_nsec); + + timer_create (CLOCK_REALTIME, &sigev1, &timer_sig); + timer_create (CLOCK_REALTIME, &sigev2, &timer_thr1); + timer_create (CLOCK_REALTIME, &sigev2, &timer_thr2); + + timer_settime (timer_thr1, 0, &itimer2, &old); + timer_settime (timer_thr2, 0, &itimer3, &old); + + signal (ZSIGALRM, signal_func); + + timer_settime (timer_sig, 0, &itimer1, &old); + + timer_delete (-1); + + intr_sleep (3); + + timer_delete (timer_sig); + timer_delete (timer_thr1); + + intr_sleep (3); + + timer_delete (timer_thr2); + + return 0; +} |