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e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
85 lines
3.8 KiB
C
85 lines
3.8 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et 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/calls.h"
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#include "libc/calls/struct/itimerval.h"
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#include "libc/calls/struct/sigaction.h"
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#include "libc/calls/struct/timespec.h"
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#include "libc/dce.h"
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#include "libc/errno.h"
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#include "libc/intrin/describeflags.internal.h"
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#include "libc/intrin/strace.internal.h"
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#include "libc/runtime/runtime.h"
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#include "libc/sysv/consts/clock.h"
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#include "libc/sysv/consts/itimer.h"
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#include "libc/sysv/consts/sa.h"
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#include "libc/sysv/consts/sig.h"
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#include "libc/testlib/testlib.h"
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#include "libc/time/time.h"
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void OnAlrm(int sig) {
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// do nothing
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STRACE("OnAlrm()");
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}
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TEST(nanosleep, testInvalid) {
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struct timespec ts = {0, -1};
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EXPECT_SYS(EINVAL, -1, nanosleep(&ts, 0));
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}
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TEST(nanosleep, testNoSignalIsDelivered) {
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struct timespec ts = {0, 1};
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ASSERT_SYS(0, 0, nanosleep(&ts, &ts));
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ASSERT_SYS(0, 0, nanosleep(&ts, 0));
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}
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TEST(nanosleep, testInterrupt_remIsUpdated) {
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struct sigaction sa = {
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.sa_handler = OnAlrm,
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.sa_flags = SA_RESETHAND,
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};
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ASSERT_SYS(0, 0, sigaction(SIGALRM, &sa, 0));
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struct itimerval it = {{0, 0}, {0, 100000}}; // 100ms singleshot
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ASSERT_SYS(0, 0, setitimer(ITIMER_REAL, &it, 0));
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struct timespec ts = {500, 0};
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ASSERT_SYS(EINTR, -1, nanosleep(&ts, &ts));
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ASSERT_LT(ts.tv_sec, 500);
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ASSERT_GT(ts.tv_sec, 400);
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ASSERT_NE(0, ts.tv_nsec);
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}
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TEST(clock_nanosleep, testNoSignalIsDelivered) {
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struct timespec ts = {0, 1};
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ASSERT_EQ(0, clock_nanosleep(CLOCK_REALTIME, 0, &ts, &ts));
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ASSERT_EQ(0, clock_nanosleep(CLOCK_REALTIME, 0, &ts, 0));
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}
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TEST(clock_nanosleep, testInterrupt_remIsUpdated) {
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struct sigaction sa = {
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.sa_handler = OnAlrm,
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.sa_flags = SA_RESETHAND,
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};
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ASSERT_SYS(0, 0, sigaction(SIGALRM, &sa, 0));
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struct itimerval it = {{0, 0}, {0, 100000}}; // 100ms singleshot
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ASSERT_SYS(0, 0, setitimer(ITIMER_REAL, &it, 0));
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struct timespec ts = {500, 0};
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ASSERT_EQ(EINTR, clock_nanosleep(CLOCK_REALTIME, 0, &ts, &ts));
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ASSERT_LT(ts.tv_sec, 500);
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ASSERT_GT(ts.tv_sec, 400);
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ASSERT_NE(0, ts.tv_nsec);
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}
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