diff options
Diffstat (limited to 'rt')
| -rw-r--r-- | rt/Makefile | 15 | ||||
| -rw-r--r-- | rt/Versions | 16 | ||||
| -rw-r--r-- | rt/clock-compat.c | 63 | ||||
| -rw-r--r-- | rt/clock_getcpuclockid.c | 40 | ||||
| -rw-r--r-- | rt/clock_getres.c | 30 | ||||
| -rw-r--r-- | rt/clock_gettime.c | 31 | ||||
| -rw-r--r-- | rt/clock_nanosleep.c | 37 | ||||
| -rw-r--r-- | rt/clock_settime.c | 30 | ||||
| -rw-r--r-- | rt/tst-clock.c | 121 | ||||
| -rw-r--r-- | rt/tst-clock2.c | 43 | ||||
| -rw-r--r-- | rt/tst-clock_nanosleep.c | 57 | ||||
| -rw-r--r-- | rt/tst-cpuclock1.c | 320 |
12 files changed, 4 insertions, 799 deletions
diff --git a/rt/Makefile b/rt/Makefile index 9ea8394..e6fbc32 100644 --- a/rt/Makefile +++ b/rt/Makefile @@ -28,9 +28,6 @@ aio-routines := aio_cancel aio_error aio_fsync aio_misc aio_read \ aio_read64 aio_return aio_suspend aio_write \ aio_write64 lio_listio lio_listio64 aio_sigqueue \ aio_notify -clock-routines := clock_getcpuclockid \ - clock_getres clock_gettime clock_settime \ - clock_nanosleep timer-routines := timer_create timer_delete timer_getoverr \ timer_gettime timer_settime shm-routines := shm_open shm_unlink @@ -38,22 +35,18 @@ mq-routines := mq_open mq_close mq_unlink mq_getattr mq_setattr \ mq_notify mq_send mq_receive mq_timedsend \ mq_timedreceive -routines = $(clock-routines) - librt-routines = $(aio-routines) \ $(timer-routines) \ - $(shm-routines) $(mq-routines) \ - clock-compat + $(shm-routines) $(mq-routines) -tests := tst-shm tst-clock tst-clock_nanosleep tst-timer tst-timer2 \ +tests := tst-shm tst-timer tst-timer2 \ tst-aio tst-aio64 tst-aio2 tst-aio3 tst-aio4 tst-aio5 tst-aio6 \ tst-aio7 tst-aio8 tst-aio9 tst-aio10 \ tst-mqueue1 tst-mqueue2 tst-mqueue3 tst-mqueue4 \ tst-mqueue5 tst-mqueue6 tst-mqueue7 tst-mqueue8 tst-mqueue9 \ tst-timer3 tst-timer4 tst-timer5 \ - tst-cpuclock1 tst-cpuclock2 \ - tst-cputimer1 tst-cputimer2 tst-cputimer3 \ - tst-clock2 tst-shm-cancel + tst-cpuclock2 tst-cputimer1 tst-cputimer2 tst-cputimer3 \ + tst-shm-cancel extra-libs := librt extra-libs-others := $(extra-libs) diff --git a/rt/Versions b/rt/Versions index 91e3fd2..84d1345 100644 --- a/rt/Versions +++ b/rt/Versions @@ -1,15 +1,3 @@ -libc { - GLIBC_2.17 { - # c* - clock_getres; clock_gettime; clock_settime; clock_getcpuclockid; - clock_nanosleep; - } - GLIBC_PRIVATE { - __clock_getres; __clock_gettime; __clock_settime; __clock_getcpuclockid; - __clock_nanosleep; - } -} - librt { GLIBC_2.1 { # AIO functions. @@ -18,10 +6,6 @@ librt { aio_suspend64; aio_write; aio_write64; lio_listio; lio_listio64; } GLIBC_2.2 { - # These have moved to libc and are still here only for compatibility. - clock_getres; clock_gettime; clock_settime; clock_getcpuclockid; - clock_nanosleep; - # s* shm_open; shm_unlink; diff --git a/rt/clock-compat.c b/rt/clock-compat.c deleted file mode 100644 index d8ced3cd..0000000 --- a/rt/clock-compat.c +++ /dev/null @@ -1,63 +0,0 @@ -/* ABI compatibility redirects for clock_* symbols in librt. - Copyright (C) 2012-2019 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 <shlib-compat.h> - -/* The clock_* symbols were originally defined in librt and so - are part of its ABI. As of 2.17, they have moved to libc. - So we supply definitions for librt that just redirect to - their libc counterparts. */ - -#if SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_17) - -#include <time.h> - -#if HAVE_IFUNC -# undef INIT_ARCH -# define INIT_ARCH() -# define COMPAT_REDIRECT(name, proto, arglist) libc_ifunc (name, &__##name) \ - compat_symbol (librt, name, name, GLIBC_2_2); -#else -# define COMPAT_REDIRECT(name, proto, arglist) \ - int \ - name proto \ - { \ - return __##name arglist; \ - } \ - compat_symbol (librt, name, name, GLIBC_2_2); -#endif - -COMPAT_REDIRECT (clock_getres, - (clockid_t clock_id, struct timespec *res), - (clock_id, res)) -COMPAT_REDIRECT (clock_gettime, - (clockid_t clock_id, struct timespec *tp), - (clock_id, tp)) -COMPAT_REDIRECT (clock_settime, - (clockid_t clock_id, const struct timespec *tp), - (clock_id, tp)) -COMPAT_REDIRECT (clock_getcpuclockid, - (pid_t pid, clockid_t *clock_id), - (pid, clock_id)) -COMPAT_REDIRECT (clock_nanosleep, - (clockid_t clock_id, int flags, - const struct timespec *req, - struct timespec *rem), - (clock_id, flags, req, rem)) - -#endif diff --git a/rt/clock_getcpuclockid.c b/rt/clock_getcpuclockid.c deleted file mode 100644 index 22b9f13..0000000 --- a/rt/clock_getcpuclockid.c +++ /dev/null @@ -1,40 +0,0 @@ -/* Get a clockid_t for the process CPU clock of a given process. Generic. - Copyright (C) 2000-2019 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 <time.h> -#include <unistd.h> - -int -__clock_getcpuclockid (pid_t pid, clockid_t *clock_id) -{ - /* We don't allow any process ID but our own. */ - if (pid != 0 && pid != getpid ()) - return EPERM; - -#ifdef CLOCK_PROCESS_CPUTIME_ID - /* Store the number. */ - *clock_id = CLOCK_PROCESS_CPUTIME_ID; - - return 0; -#else - /* We don't have a timer for that. */ - return ENOENT; -#endif -} -weak_alias (__clock_getcpuclockid, clock_getcpuclockid) diff --git a/rt/clock_getres.c b/rt/clock_getres.c deleted file mode 100644 index b990bf0..0000000 --- a/rt/clock_getres.c +++ /dev/null @@ -1,30 +0,0 @@ -/* Get the resolution of a clock. Stub version. - Copyright (C) 1999-2019 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 <time.h> - -/* Get resolution of clock. */ -int -__clock_getres (clockid_t clock_id, struct timespec *res) -{ - __set_errno (ENOSYS); - return -1; -} -weak_alias (__clock_getres, clock_getres) -stub_warning (clock_getres) diff --git a/rt/clock_gettime.c b/rt/clock_gettime.c deleted file mode 100644 index 0426dd2..0000000 --- a/rt/clock_gettime.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Get the current value of a clock. Stub version. - Copyright (C) 1999-2019 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 <time.h> - -/* Get current value of CLOCK and store it in TP. */ -int -__clock_gettime (clockid_t clock_id, struct timespec *tp) -{ - __set_errno (ENOSYS); - return -1; -} -weak_alias (__clock_gettime, clock_gettime) -libc_hidden_def (__clock_gettime) -stub_warning (clock_gettime) diff --git a/rt/clock_nanosleep.c b/rt/clock_nanosleep.c deleted file mode 100644 index 5b724e5..0000000 --- a/rt/clock_nanosleep.c +++ /dev/null @@ -1,37 +0,0 @@ -/* High-resolution sleep with the specified clock. Stub version. - Copyright (C) 2000-2019 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 <time.h> - -int -__clock_nanosleep (clockid_t clock_id, int flags, const struct timespec *req, - struct timespec *rem) -{ - if (__builtin_expect (req->tv_nsec, 0) < 0 - || __builtin_expect (req->tv_nsec, 0) >= 1000000000) - return EINVAL; - - if (flags != TIMER_ABSTIME && flags != 0) - return EINVAL; - - /* Not implemented. */ - return ENOSYS; -} -weak_alias (__clock_nanosleep, clock_nanosleep) -stub_warning (clock_nanosleep) diff --git a/rt/clock_settime.c b/rt/clock_settime.c deleted file mode 100644 index 891925a..0000000 --- a/rt/clock_settime.c +++ /dev/null @@ -1,30 +0,0 @@ -/* Set a clock to a given value. Stub version. - Copyright (C) 1999-2019 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 <time.h> - -/* Set CLOCK to value TP. */ -int -__clock_settime (clockid_t clock_id, const struct timespec *tp) -{ - __set_errno (ENOSYS); - return -1; -} -weak_alias (__clock_settime, clock_settime) -stub_warning (clock_settime) diff --git a/rt/tst-clock.c b/rt/tst-clock.c deleted file mode 100644 index 2e19bb1..0000000 --- a/rt/tst-clock.c +++ /dev/null @@ -1,121 +0,0 @@ -/* Test program for POSIX clock_* functions. - Copyright (C) 2000-2019 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 2000. - - 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 <stdio.h> -#include <string.h> -#include <time.h> -#include <stdint.h> - - -/* We want to see output immediately. */ -#define STDOUT_UNBUFFERED - -static int -clock_test (clockid_t cl) -{ - struct timespec old_ts; - struct timespec ts; - struct timespec waitit; - int result = 0; - int i; - - memset (&ts, '\0', sizeof ts); - - waitit.tv_sec = 0; - waitit.tv_nsec = 500000000; - - /* Get and print resolution of the clock. */ - if (clock_getres (cl, &ts) == 0) - { - if (ts.tv_nsec < 0 || ts.tv_nsec >= 1000000000) - { - printf ("clock %d: nanosecond value of resolution wrong\n", cl); - result = 1; - } - else - printf ("clock %d: resolution = %jd.%09jd secs\n", - cl, (intmax_t) ts.tv_sec, (intmax_t) ts.tv_nsec); - } - else - { - printf ("clock %d: cannot get resolution\n", cl); - result = 1; - } - - memset (&ts, '\0', sizeof ts); - memset (&old_ts, '\0', sizeof old_ts); - - /* Next get the current time value a few times. */ - for (i = 0; i < 10; ++i) - { - if (clock_gettime (cl, &ts) == 0) - { - if (ts.tv_nsec < 0 || ts.tv_nsec >= 1000000000) - { - printf ("clock %d: nanosecond value of time wrong (try %d)\n", - cl, i); - result = 1; - } - else - { - printf ("clock %d: time = %jd.%09jd secs\n", - cl, (intmax_t) ts.tv_sec, (intmax_t) ts.tv_nsec); - - if (memcmp (&ts, &old_ts, sizeof ts) == 0) - { - printf ("clock %d: time hasn't changed (try %d)\n", cl, i); - result = 1; - - old_ts = ts; - } - } - } - else - { - printf ("clock %d: cannot get time (try %d)\n", cl, i); - result = 1; - } - - /* Wait a bit before the next iteration. */ - nanosleep (&waitit, NULL); - } - - return result; -} - -static int -do_test (void) -{ - clockid_t cl; - int result; - - result = clock_test (CLOCK_REALTIME); - - if (clock_getcpuclockid (0, &cl) == 0) - /* XXX It's not yet a bug when this fails. */ - clock_test (cl); - else - printf("CPU clock unavailble, skipping test\n"); - - return result; -} -#define TEST_FUNCTION do_test () - - -#include "../test-skeleton.c" diff --git a/rt/tst-clock2.c b/rt/tst-clock2.c deleted file mode 100644 index 4c8fb9f..0000000 --- a/rt/tst-clock2.c +++ /dev/null @@ -1,43 +0,0 @@ -/* Test setting the monotonic clock. */ - -#include <time.h> -#include <unistd.h> - -#if defined CLOCK_MONOTONIC && defined _POSIX_MONOTONIC_CLOCK - -# include <errno.h> -# include <stdio.h> - -static int -do_test (void) -{ - if (sysconf (_SC_MONOTONIC_CLOCK) <= 0) - return 0; - - struct timespec ts; - if (clock_gettime (CLOCK_MONOTONIC, &ts) != 0) - { - puts ("clock_gettime(CLOCK_MONOTONIC) failed"); - return 1; - } - - /* Setting the monotonic clock must fail. */ - if (clock_settime (CLOCK_MONOTONIC, &ts) != -1) - { - puts ("clock_settime(CLOCK_MONOTONIC) did not fail"); - return 1; - } - if (errno != EINVAL) - { - printf ("clock_settime(CLOCK_MONOTONIC) set errno to %d, expected %d\n", - errno, EINVAL); - return 1; - } - return 0; -} -# define TEST_FUNCTION do_test () - -#else -# define TEST_FUNCTION 0 -#endif -#include "../test-skeleton.c" diff --git a/rt/tst-clock_nanosleep.c b/rt/tst-clock_nanosleep.c deleted file mode 100644 index f5df327..0000000 --- a/rt/tst-clock_nanosleep.c +++ /dev/null @@ -1,57 +0,0 @@ -/* Copyright (C) 2003-2019 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 <stdio.h> -#include <unistd.h> -#include <sys/time.h> -#include <time.h> - - -/* Test that clock_nanosleep() does sleep. */ -static int -do_test (void) -{ - /* Current time. */ - struct timeval tv1; - (void) gettimeofday (&tv1, NULL); - - struct timespec ts; - ts.tv_sec = 1; - ts.tv_nsec = 0; - TEMP_FAILURE_RETRY (clock_nanosleep (CLOCK_REALTIME, 0, &ts, &ts)); - - /* At least one second must have passed. */ - struct timeval tv2; - (void) gettimeofday (&tv2, NULL); - - tv2.tv_sec -= tv1.tv_sec; - tv2.tv_usec -= tv1.tv_usec; - if (tv2.tv_usec < 0) - --tv2.tv_sec; - - if (tv2.tv_sec < 1) - { - puts ("clock_nanosleep didn't sleep long enough"); - return 1; - } - - return 0; -} - -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" diff --git a/rt/tst-cpuclock1.c b/rt/tst-cpuclock1.c deleted file mode 100644 index e3f23aa..0000000 --- a/rt/tst-cpuclock1.c +++ /dev/null @@ -1,320 +0,0 @@ -/* Test program for process CPU clocks. - Copyright (C) 2004-2019 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 <stdio.h> -#include <stdlib.h> -#include <time.h> -#include <unistd.h> -#include <fcntl.h> -#include <string.h> -#include <errno.h> -#include <signal.h> -#include <stdint.h> -#include <sys/wait.h> - -/* This function is intended to rack up both user and system time. */ -static void -chew_cpu (void) -{ - while (1) - { - static volatile char buf[4096]; - for (int i = 0; i < 100; ++i) - for (size_t j = 0; j < sizeof buf; ++j) - buf[j] = 0xaa; - int nullfd = open ("/dev/null", O_WRONLY); - for (int i = 0; i < 100; ++i) - for (size_t j = 0; j < sizeof buf; ++j) - buf[j] = 0xbb; - write (nullfd, (char *) buf, sizeof buf); - close (nullfd); - if (getppid () == 1) - _exit (2); - } -} - -static int -do_test (void) -{ - int result = 0; - clockid_t cl; - int e; - pid_t dead_child, child; - - /* Fork a child and let it die, to give us a PID known not be valid - (assuming PIDs don't wrap around during the test). */ - { - dead_child = fork (); - if (dead_child == 0) - _exit (0); - if (dead_child < 0) - { - perror ("fork"); - return 1; - } - int x; - if (wait (&x) != dead_child) - { - perror ("wait"); - return 2; - } - } - - /* POSIX says we should get ESRCH for this. */ - e = clock_getcpuclockid (dead_child, &cl); - if (e != ENOSYS && e != ESRCH && e != EPERM) - { - printf ("clock_getcpuclockid on dead PID %d => %s\n", - dead_child, strerror (e)); - result = 1; - } - - /* Now give us a live child eating up CPU time. */ - child = fork (); - if (child == 0) - { - chew_cpu (); - _exit (1); - } - if (child < 0) - { - perror ("fork"); - return 1; - } - - e = clock_getcpuclockid (child, &cl); - if (e == EPERM) - { - puts ("clock_getcpuclockid does not support other processes"); - goto done; - } - if (e != 0) - { - printf ("clock_getcpuclockid on live PID %d => %s\n", - child, strerror (e)); - result = 1; - goto done; - } - - const clockid_t child_clock = cl; - struct timespec res; - if (clock_getres (child_clock, &res) < 0) - { - printf ("clock_getres on live PID %d clock %lx => %s\n", - child, (unsigned long int) child_clock, strerror (errno)); - result = 1; - goto done; - } - printf ("live PID %d clock %lx resolution %ju.%.9ju\n", - child, (unsigned long int) child_clock, - (uintmax_t) res.tv_sec, (uintmax_t) res.tv_nsec); - - struct timespec before, after; - if (clock_gettime (child_clock, &before) < 0) - { - printf ("clock_gettime on live PID %d clock %lx => %s\n", - child, (unsigned long int) child_clock, strerror (errno)); - result = 1; - goto done; - } - /* Should be close to 0.0. */ - printf ("live PID %d before sleep => %ju.%.9ju\n", - child, (uintmax_t) before.tv_sec, (uintmax_t) before.tv_nsec); - - struct timespec sleeptime = { .tv_nsec = 500000000 }; - if (nanosleep (&sleeptime, NULL) != 0) - { - perror ("nanosleep"); - result = 1; - goto done; - } - - if (clock_gettime (child_clock, &after) < 0) - { - printf ("clock_gettime on live PID %d clock %lx => %s\n", - child, (unsigned long int) child_clock, strerror (errno)); - result = 1; - goto done; - } - /* Should be close to 0.5. */ - printf ("live PID %d after sleep => %ju.%.9ju\n", - child, (uintmax_t) after.tv_sec, (uintmax_t) after.tv_nsec); - - struct timespec diff = { .tv_sec = after.tv_sec - before.tv_sec, - .tv_nsec = after.tv_nsec - before.tv_nsec }; - if (diff.tv_nsec < 0) - { - --diff.tv_sec; - diff.tv_nsec += 1000000000; - } - if (diff.tv_sec != 0 - || diff.tv_nsec > 600000000 - || diff.tv_nsec < 100000000) - { - printf ("before - after %ju.%.9ju outside reasonable range\n", - (uintmax_t) diff.tv_sec, (uintmax_t) diff.tv_nsec); - result = 1; - } - - sleeptime.tv_nsec = 100000000; - e = clock_nanosleep (child_clock, 0, &sleeptime, NULL); - if (e == EINVAL || e == ENOTSUP || e == ENOSYS) - { - printf ("clock_nanosleep not supported for other process clock: %s\n", - strerror (e)); - } - else if (e != 0) - { - printf ("clock_nanosleep on other process clock: %s\n", strerror (e)); - result = 1; - } - else - { - struct timespec afterns; - if (clock_gettime (child_clock, &afterns) < 0) - { - printf ("clock_gettime on live PID %d clock %lx => %s\n", - child, (unsigned long int) child_clock, strerror (errno)); - result = 1; - } - else - { - struct timespec d = { .tv_sec = afterns.tv_sec - after.tv_sec, - .tv_nsec = afterns.tv_nsec - after.tv_nsec }; - if (d.tv_nsec < 0) - { - --d.tv_sec; - d.tv_nsec += 1000000000; - } - if (d.tv_sec > 0 - || d.tv_nsec < sleeptime.tv_nsec - || d.tv_nsec > sleeptime.tv_nsec * 2) - { - printf ("nanosleep time %ju.%.9ju outside reasonable range\n", - (uintmax_t) d.tv_sec, (uintmax_t) d.tv_nsec); - result = 1; - } - } - } - - if (kill (child, SIGKILL) != 0) - { - perror ("kill"); - result = 2; - goto done; - } - - /* Wait long enough to let the child finish dying. */ - - sleeptime.tv_nsec = 200000000; - if (nanosleep (&sleeptime, NULL) != 0) - { - perror ("nanosleep"); - result = 1; - goto done; - } - - struct timespec dead; - if (clock_gettime (child_clock, &dead) < 0) - { - printf ("clock_gettime on dead PID %d clock %lx => %s\n", - child, (unsigned long int) child_clock, strerror (errno)); - result = 1; - goto done; - } - /* Should be close to 0.6. */ - printf ("dead PID %d => %ju.%.9ju\n", - child, (uintmax_t) dead.tv_sec, (uintmax_t) dead.tv_nsec); - - diff.tv_sec = dead.tv_sec - after.tv_sec; - diff.tv_nsec = dead.tv_nsec - after.tv_nsec; - if (diff.tv_nsec < 0) - { - --diff.tv_sec; - diff.tv_nsec += 1000000000; - } - if (diff.tv_sec != 0 || diff.tv_nsec > 200000000) - { - printf ("dead - after %ju.%.9ju outside reasonable range\n", - (uintmax_t) diff.tv_sec, (uintmax_t) diff.tv_nsec); - result = 1; - } - - /* Now reap the child and verify that its clock is no longer valid. */ - { - int x; - if (waitpid (child, &x, 0) != child) - { - perror ("waitpid"); - result = 1; - } - } - - if (clock_gettime (child_clock, &dead) == 0) - { - printf ("clock_gettime on reaped PID %d clock %lx => %ju%.9ju\n", - child, (unsigned long int) child_clock, - (uintmax_t) dead.tv_sec, (uintmax_t) dead.tv_nsec); - result = 1; - } - else - { - if (errno != EINVAL) - result = 1; - printf ("clock_gettime on reaped PID %d clock %lx => %s\n", - child, (unsigned long int) child_clock, strerror (errno)); - } - - if (clock_getres (child_clock, &dead) == 0) - { - printf ("clock_getres on reaped PID %d clock %lx => %ju%.9ju\n", - child, (unsigned long int) child_clock, - (uintmax_t) dead.tv_sec, (uintmax_t) dead.tv_nsec); - result = 1; - } - else - { - if (errno != EINVAL) - result = 1; - printf ("clock_getres on reaped PID %d clock %lx => %s\n", - child, (unsigned long int) child_clock, strerror (errno)); - } - - return result; - - done: - { - if (kill (child, SIGKILL) != 0 && errno != ESRCH) - { - perror ("kill"); - return 2; - } - int x; - if (waitpid (child, &x, 0) != child && errno != ECHILD) - { - perror ("waitpid"); - return 2; - } - } - - return result; -} - - -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" |