mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 19:43:32 +00:00
ec2cb88058
- Document more compiler flags - Expose new __print_maps() api - Better overflow checking in mmap() - Improve the shell example somewhat - Fix minor runtime bugs regarding stacks - Make kill() on fork()+execve()'d children work - Support CLONE_CHILD_CLEARTID for proper joining - Fix recent possible deadlock regression with --ftrace
75 lines
3.4 KiB
C
75 lines
3.4 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 2020 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/bits/safemacros.internal.h"
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#include "libc/calls/calls.h"
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#include "libc/calls/strace.internal.h"
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#include "libc/errno.h"
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#include "libc/fmt/fmt.h"
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#include "libc/intrin/kprintf.h"
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#include "libc/log/check.h"
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#include "libc/log/color.internal.h"
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#include "libc/log/internal.h"
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#include "libc/log/libfatal.internal.h"
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#include "libc/log/log.h"
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#include "libc/runtime/memtrack.internal.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/stdio.h"
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STATIC_YOINK("strerror_wr");
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/**
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* Handles failure of CHECK_xx() macros.
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*/
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relegated void __check_fail(const char *suffix, const char *opstr,
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uint64_t want, const char *wantstr, uint64_t got,
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const char *gotstr, const char *file, int line,
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const char *fmt, ...) {
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int e;
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char *p;
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size_t i;
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va_list va;
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char hostname[32];
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--__strace;
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--__ftrace;
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e = errno;
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__start_fatal(file, line);
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__stpcpy(hostname, "unknown");
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gethostname(hostname, sizeof(hostname));
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kprintf("check failed on %s pid %d\n", hostname, getpid());
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kprintf("\tCHECK_%^s(%s, %s);\n", suffix, wantstr, gotstr);
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kprintf("\t\t → %p (%s)\n", want, wantstr);
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kprintf("\t\t%s %p (%s)\n", opstr, got, gotstr);
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if (!isempty(fmt)) {
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kprintf("\t");
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va_start(va, fmt);
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kvprintf(fmt, va);
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va_end(va);
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kprintf("\n");
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}
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kprintf("\t%m\n\t%s%s", SUBTLE, program_invocation_name);
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for (i = 1; i < __argc; ++i) {
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kprintf(" %s", __argv[i]);
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}
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kprintf("%s\n", RESET);
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if (!IsTiny() && e == ENOMEM) {
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__print_maps();
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}
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__die();
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unreachable;
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}
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