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author | Roland McGrath <roland@hack.frob.com> | 2014-06-12 13:48:47 -0700 |
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committer | Roland McGrath <roland@hack.frob.com> | 2014-06-12 13:48:47 -0700 |
commit | 463dc947b4f9bc4137c9919ee72b896403926474 (patch) | |
tree | aaade6746cade247ea83c99c3057f6f08e1eb6a9 /sysdeps/pthread/tst-timer.c | |
parent | e876b09076d859836f948691dee5a1e3b956256e (diff) | |
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Get rid of nptl/sysdeps/pthread/ subdirectory
Diffstat (limited to 'sysdeps/pthread/tst-timer.c')
-rw-r--r-- | sysdeps/pthread/tst-timer.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-timer.c b/sysdeps/pthread/tst-timer.c new file mode 100644 index 0000000000..16adf3c199 --- /dev/null +++ b/sysdeps/pthread/tst-timer.c @@ -0,0 +1,159 @@ +/* Tests for POSIX timer implementation. + Copyright (C) 2000-2014 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, see <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <signal.h> +#include <stdio.h> +#include <time.h> +#include <unistd.h> +#include <stdlib.h> + + +static void +notify_func1 (union sigval sigval) +{ + puts ("notify_func1"); +} + + +static void +notify_func2 (union sigval sigval) +{ + puts ("notify_func2"); +} + + +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_func1; + sigev2.sigev_notify_attributes = NULL; + /* It is unnecessary to do the following but to set a good example + we do it anyhow. */ + sigev2.sigev_value.sival_ptr = 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); + + if (timer_create (CLOCK_REALTIME, &sigev1, &timer_sig) != 0) + { + printf ("timer_create for timer_sig failed: %m\n"); + exit (1); + } + if (timer_create (CLOCK_REALTIME, &sigev2, &timer_thr1) != 0) + { + printf ("timer_create for timer_thr1 failed: %m\n"); + exit (1); + } + sigev2.sigev_notify_function = notify_func2; + if (timer_create (CLOCK_REALTIME, &sigev2, &timer_thr2) != 0) + { + printf ("timer_create for timer_thr2 failed: %m\n"); + exit (1); + } + + if (timer_settime (timer_thr1, 0, &itimer2, &old) != 0) + { + printf ("timer_settime for timer_thr1 failed: %m\n"); + exit (1); + } + if (timer_settime (timer_thr2, 0, &itimer3, &old) != 0) + { + printf ("timer_settime for timer_thr2 failed: %m\n"); + exit (1); + } + + signal (ZSIGALRM, signal_func); + + if (timer_settime (timer_sig, 0, &itimer1, &old) != 0) + { + printf ("timer_settime for timer_sig failed: %m\n"); + exit (1); + } + + intr_sleep (3); + + if (timer_delete (timer_sig) != 0) + { + printf ("timer_delete for timer_sig failed: %m\n"); + exit (1); + } + if (timer_delete (timer_thr1) != 0) + { + printf ("timer_delete for timer_thr1 failed: %m\n"); + exit (1); + } + + intr_sleep (3); + + if (timer_delete (timer_thr2) != 0) + { + printf ("timer_delete for timer_thr2 failed: %m\n"); + exit (1); + } + + return 0; +} |