mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 11:37:35 +00:00
97 lines
3.8 KiB
C
97 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 net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 Gavin Arthur Hayes │
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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/sigaction.h"
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#include "libc/calls/struct/siginfo.h"
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#include "libc/calls/struct/sigset.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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static unsigned OnSignalCnt = 0;
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void OnSignal(int sig, siginfo_t *si, void *ctx) {
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OnSignalCnt++;
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EXPECT_EQ(SIGUSR1, sig);
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}
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TEST(sigpending, test) {
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sigset_t pending;
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sigfillset(&pending);
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EXPECT_EQ(0, sigpending(&pending));
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unsigned cnt = 0;
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for (unsigned sig = 1; sig < NSIG; sig++) {
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if (sigismember(&pending, sig)) {
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cnt++;
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}
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}
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EXPECT_EQ(0, cnt);
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struct sigaction sa = {.sa_sigaction = OnSignal, .sa_flags = SA_SIGINFO};
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ASSERT_EQ(0, sigaction(SIGUSR1, &sa, NULL));
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sigset_t blocked;
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sigemptyset(&blocked);
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sigaddset(&blocked, SIGUSR1);
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ASSERT_EQ(0, sigprocmask(SIG_SETMASK, &blocked, NULL));
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ASSERT_EQ(0, raise(SIGUSR1));
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sigfillset(&pending);
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EXPECT_EQ(0, sigpending(&pending));
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cnt = 0;
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for (unsigned sig = 1; sig < NSIG; sig++) {
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if (sigismember(&pending, sig)) {
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cnt++;
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}
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}
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EXPECT_EQ(1, cnt);
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EXPECT_EQ(1, sigismember(&pending, SIGUSR1));
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ASSERT_NE(SIG_ERR, signal(SIGUSR1, SIG_IGN));
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sigemptyset(&pending);
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EXPECT_EQ(0, sigpending(&pending));
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cnt = 0;
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for (unsigned sig = 1; sig < NSIG; sig++) {
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if (sigismember(&pending, sig)) {
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cnt++;
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}
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}
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EXPECT_EQ(0, cnt);
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ASSERT_EQ(0, sigaction(SIGUSR1, &sa, NULL));
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ASSERT_EQ(0, raise(SIGUSR1));
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EXPECT_EQ(0, sigpending(&pending));
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cnt = 0;
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for (unsigned sig = 1; sig < NSIG; sig++) {
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if (sigismember(&pending, sig)) {
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cnt++;
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}
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}
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EXPECT_EQ(1, cnt);
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EXPECT_EQ(1, sigismember(&pending, SIGUSR1));
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sigemptyset(&blocked);
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ASSERT_EQ(0, sigprocmask(SIG_SETMASK, &blocked, NULL));
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EXPECT_EQ(0, sigpending(&pending));
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cnt = 0;
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for (unsigned sig = 1; sig < NSIG; sig++) {
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if (sigismember(&pending, sig)) {
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cnt++;
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}
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}
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EXPECT_EQ(0, cnt);
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EXPECT_EQ(1, OnSignalCnt);
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}
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