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63 lines
3.1 KiB
C
63 lines
3.1 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 2021 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/sigbits.h"
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#include "libc/calls/struct/sigaction.h"
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#include "libc/dce.h"
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#include "libc/errno.h"
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#include "libc/runtime/runtime.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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bool gotsigint;
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void OnSigInt(int sig) {
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gotsigint = true;
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}
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TEST(sigaction, test) {
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/* TODO(jart): Why does RHEL5 behave differently? */
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/* TODO(jart): Windows needs huge signal overhaul */
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if (IsWindows()) return;
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int pid, status;
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sigset_t block, ignore, oldmask;
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struct sigaction saint = {.sa_handler = OnSigInt};
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sigemptyset(&block);
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sigaddset(&block, SIGINT);
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EXPECT_NE(-1, sigprocmask(SIG_BLOCK, &block, &oldmask));
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sigfillset(&ignore);
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sigdelset(&ignore, SIGINT);
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EXPECT_NE(-1, sigaction(SIGINT, &saint, NULL));
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ASSERT_NE(-1, (pid = fork()));
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if (!pid) {
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EXPECT_NE(-1, kill(getppid(), SIGINT));
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EXPECT_EQ(-1, sigsuspend(&ignore));
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EXPECT_EQ(EINTR, errno);
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EXPECT_TRUE(gotsigint);
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_exit(0);
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}
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EXPECT_EQ(-1, sigsuspend(&ignore));
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EXPECT_NE(-1, kill(pid, SIGINT));
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EXPECT_NE(-1, waitpid(pid, &status, 0));
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EXPECT_EQ(1, WIFEXITED(status));
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EXPECT_EQ(0, WEXITSTATUS(status));
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EXPECT_EQ(0, WTERMSIG(status));
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EXPECT_NE(-1, sigprocmask(SIG_BLOCK, &oldmask, NULL));
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}
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