mirror of
https://github.com/jart/cosmopolitan.git
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550b52abf6
- Introduce epoll_pwait() - Rewrite -ftrapv and ffs() libraries in C code - Use more FreeBSD code in math function library - Get significantly more tests passing on qemu-aarch64 - Fix many Musl long double functions that were broken on AARCH64
59 lines
2.8 KiB
C
59 lines
2.8 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 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/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/dce.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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#ifdef __x86_64__
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sigjmp_buf jb;
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volatile int sigs;
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volatile int jumps;
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void OnSignal(int sig, siginfo_t *si, void *ctx) {
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++sigs;
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}
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TEST(sigsetjmp, test) {
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if (IsWindows()) return; // no sigusr1 support
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sigset_t ss;
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int i, n = 1000;
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struct sigaction sa = {.sa_sigaction = OnSignal};
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ASSERT_SYS(0, 0, sigaction(SIGUSR1, &sa, 0));
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for (i = 0; i < n; ++i) {
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if (!sigsetjmp(jb, 1)) {
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sigemptyset(&ss);
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sigaddset(&ss, SIGUSR1);
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ASSERT_SYS(0, 0, sigprocmask(SIG_BLOCK, &ss, 0));
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ASSERT_SYS(0, 0, raise(SIGUSR1));
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siglongjmp(jb, 1);
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} else {
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++jumps;
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}
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}
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ASSERT_EQ(1000, jumps);
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ASSERT_EQ(1000, sigs);
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}
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#endif /* __x86_64__ */
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