mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-25 04:01:10 +00:00
581c785bf3
I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 7061 files FOO. I then removed trailing white space from math/tgmath.h, support/tst-support-open-dev-null-range.c, and sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following obscure pre-commit check failure diagnostics from Savannah. I don't know why I run into these diagnostics whereas others evidently do not. remote: *** 912-#endif remote: *** 913: remote: *** 914- remote: *** error: lines with trailing whitespace found ... remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
119 lines
4.1 KiB
C
119 lines
4.1 KiB
C
/* Support code for timespec checks.
|
|
Copyright (C) 2019-2022 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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <support/timespec.h>
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <assert.h>
|
|
#include <intprops.h>
|
|
|
|
void
|
|
test_timespec_before_impl (const char *file, int line, struct timespec left,
|
|
struct timespec right)
|
|
{
|
|
if (left.tv_sec > right.tv_sec
|
|
|| (left.tv_sec == right.tv_sec
|
|
&& left.tv_nsec > right.tv_nsec)) {
|
|
support_record_failure ();
|
|
const struct timespec diff = timespec_sub (left, right);
|
|
printf ("%s:%d: %jd.%09jds not before %jd.%09jds "
|
|
"(difference %jd.%09jds)\n",
|
|
file, line,
|
|
(intmax_t) left.tv_sec, (intmax_t) left.tv_nsec,
|
|
(intmax_t) right.tv_sec, (intmax_t) right.tv_nsec,
|
|
(intmax_t) diff.tv_sec, (intmax_t) diff.tv_nsec);
|
|
}
|
|
}
|
|
|
|
void
|
|
test_timespec_equal_or_after_impl (const char *file, int line,
|
|
struct timespec left,
|
|
struct timespec right)
|
|
{
|
|
if (left.tv_sec < right.tv_sec
|
|
|| (left.tv_sec == right.tv_sec
|
|
&& left.tv_nsec < right.tv_nsec)) {
|
|
support_record_failure ();
|
|
const struct timespec diff = timespec_sub (right, left);
|
|
printf ("%s:%d: %jd.%09jds not after %jd.%09jds "
|
|
"(difference %jd.%09jds)\n",
|
|
file, line,
|
|
(intmax_t) left.tv_sec, (intmax_t) left.tv_nsec,
|
|
(intmax_t) right.tv_sec, (intmax_t) right.tv_nsec,
|
|
(intmax_t) diff.tv_sec, (intmax_t) diff.tv_nsec);
|
|
}
|
|
}
|
|
|
|
/* Convert TIME to nanoseconds stored in a time_t.
|
|
Returns time_t maximum or minimum if the conversion overflows
|
|
or underflows, respectively. */
|
|
time_t
|
|
support_timespec_ns (struct timespec time)
|
|
{
|
|
time_t time_ns;
|
|
if (INT_MULTIPLY_WRAPV(time.tv_sec, TIMESPEC_HZ, &time_ns))
|
|
return time.tv_sec < 0 ? TYPE_MINIMUM(time_t) : TYPE_MAXIMUM(time_t);
|
|
if (INT_ADD_WRAPV(time_ns, time.tv_nsec, &time_ns))
|
|
return time.tv_nsec < 0 ? TYPE_MINIMUM(time_t) : TYPE_MAXIMUM(time_t);
|
|
return time_ns;
|
|
}
|
|
|
|
/* Returns time normalized timespec with .tv_nsec < TIMESPEC_HZ
|
|
and the whole seconds added to .tv_sec. If an overflow or
|
|
underflow occurs the values are clamped to its maximum or
|
|
minimum respectively. */
|
|
struct timespec
|
|
support_timespec_normalize (struct timespec time)
|
|
{
|
|
struct timespec norm;
|
|
if (INT_ADD_WRAPV (time.tv_sec, (time.tv_nsec / TIMESPEC_HZ), &norm.tv_sec))
|
|
{
|
|
norm.tv_sec = (time.tv_nsec < 0) ? TYPE_MINIMUM (time_t): TYPE_MAXIMUM (time_t);
|
|
norm.tv_nsec = (time.tv_nsec < 0) ? -1 * (TIMESPEC_HZ - 1) : TIMESPEC_HZ - 1;
|
|
return norm;
|
|
}
|
|
norm.tv_nsec = time.tv_nsec % TIMESPEC_HZ;
|
|
return norm;
|
|
}
|
|
|
|
/* Returns TRUE if the observed time is within the given percentage
|
|
bounds of the expected time, and FALSE otherwise.
|
|
For example the call
|
|
|
|
support_timespec_check_in_range(expected, observed, 0.5, 1.2);
|
|
|
|
will check if
|
|
|
|
0.5 of expected <= observed <= 1.2 of expected
|
|
|
|
In other words it will check if observed time is within 50% to
|
|
120% of the expected time. */
|
|
int
|
|
support_timespec_check_in_range (struct timespec expected, struct timespec observed,
|
|
double lower_bound, double upper_bound)
|
|
{
|
|
assert (upper_bound >= lower_bound);
|
|
time_t expected_norm, observed_norm;
|
|
expected_norm = support_timespec_ns (expected);
|
|
/* Don't divide by zero */
|
|
assert(expected_norm != 0);
|
|
observed_norm = support_timespec_ns (observed);
|
|
double ratio = (double)observed_norm / expected_norm;
|
|
return (lower_bound <= ratio && ratio <= upper_bound);
|
|
}
|