mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-08 07:23:33 +00:00
f531acc8f9
- Invent openatemp() API - Invent O_UNLINK open flag - Introduce getenv_secure() API - Remove `git pull` from cosmocc - Fix utimes() when path is NULL - Fix mktemp() to never return NULL - Fix utimensat() UTIME_OMIT on XNU - Improve utimensat() code for RHEL5 - Turn `argv[0]` C:/ to /C/ on Windows - Introduce tmpnam() and tmpnam_r() APIs - Fix more const issues with internal APIs - Permit utimes() on WIN32 in O_RDONLY mode - Fix fdopendir() to check fd is a directory - Fix recent crash regression in landlock make - Fix futimens(AT_FDCWD, NULL) to return EBADF - Use workaround so `make -j` doesn't fork bomb - Rename dontdiscard to __wur (just like glibc) - Fix st_size for WIN32 symlinks containing UTF-8 - Introduce stdio ext APIs needed by GNU coreutils - Fix lstat() on WIN32 for symlinks to directories - Move some constants from normalize.inc to limits.h - Fix segv with memchr() and memcmp() overlapping page - Implement POSIX fflush() behavior for reader streams - Implement AT_SYMLINK_NOFOLLOW for utimensat() on WIN32 - Don't change read-only status of existing files on WIN32 - Correctly handle `0x[^[:xdigit:]]` case in strtol() functions
83 lines
4 KiB
C
83 lines
4 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/clock_gettime.internal.h"
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#include "libc/calls/internal.h"
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#include "libc/calls/struct/timespec.h"
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#include "libc/calls/struct/timespec.internal.h"
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#include "libc/calls/struct/timeval.h"
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#include "libc/calls/syscall_support-sysv.internal.h"
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#include "libc/dce.h"
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#include "libc/errno.h"
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#include "libc/nexgen32e/rdtsc.h"
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#include "libc/runtime/runtime.h"
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#include "libc/sysv/consts/auxv.h"
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#include "libc/sysv/consts/clock.h"
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#include "libc/testlib/ezbench.h"
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#include "libc/testlib/testlib.h"
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#include "libc/time/time.h"
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TEST(clock_gettime, fault) {
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ASSERT_SYS(EFAULT, -1, clock_gettime(0, 0));
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}
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TEST(clock_gettime, test) {
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struct timespec ts = {0};
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ASSERT_EQ(0, clock_gettime(0, &ts));
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ASSERT_NE(0, ts.tv_sec);
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ASSERT_NE(0, ts.tv_nsec);
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#ifndef __aarch64__
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bool isfast;
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// we support vdso on aarch64 but qemu-aarch64 won't let us test it
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if (IsLinux() && __is_linux_2_6_23()) {
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ASSERT_GT((intptr_t)__clock_gettime_get(&isfast),
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getauxval(AT_SYSINFO_EHDR));
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ASSERT_TRUE(isfast);
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}
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#endif
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}
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BENCH(clock_gettime, bench) {
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struct timeval tv;
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struct timespec ts;
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gettimeofday(&tv, 0); // trigger init
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clock_gettime(0, &ts); // trigger init
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EZBENCH2("nowl", donothing, nowl());
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EZBENCH2("rdtsc", donothing, rdtsc());
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EZBENCH2("gettimeofday", donothing, gettimeofday(&tv, 0));
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EZBENCH2("timespec_real", donothing, timespec_real());
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EZBENCH2("clock_gettime 0", donothing,
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clock_gettime(CLOCK_REALTIME_FAST, &ts));
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EZBENCH2("clock_gettime 1", donothing,
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clock_gettime(CLOCK_MONOTONIC_FAST, &ts));
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EZBENCH2("__clock_gettime 0", donothing,
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__clock_gettime(CLOCK_REALTIME_FAST, &ts));
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EZBENCH2("__clock_gettime 1", donothing,
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__clock_gettime(CLOCK_MONOTONIC_FAST, &ts));
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if (IsWindows()) {
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EZBENCH2("sys_clock_gettime 0", donothing,
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sys_clock_gettime_nt(CLOCK_REALTIME_FAST, &ts));
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EZBENCH2("sys_clock_gettime 1", donothing,
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sys_clock_gettime_nt(CLOCK_MONOTONIC_FAST, &ts));
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} else {
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EZBENCH2("sys_clock_gettime 0", donothing,
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sys_clock_gettime(CLOCK_REALTIME_FAST, &ts));
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EZBENCH2("sys_clock_gettime 1", donothing,
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sys_clock_gettime(CLOCK_MONOTONIC_FAST, &ts));
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}
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}
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