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43 lines
2.5 KiB
C
43 lines
2.5 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 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/dce.h"
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#include "libc/intrin/describebacktrace.h"
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#include "libc/intrin/kprintf.h"
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#include "libc/intrin/strace.h"
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#include "libc/runtime/runtime.h"
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dontinstrument void __stracef(const char *fmt, ...) {
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va_list v;
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if (strace_enabled(0) <= 0)
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return;
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va_start(v, fmt);
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kvprintf(fmt, v);
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va_end(v);
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}
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#if IsModeDbg()
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void report_cancellation_point(void) {
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kprintf("error: cancelable raw system call not annotated in wrapper\n"
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"choice #1 use BLOCK_CANCELATION / ALLOW_CANCELATION\n"
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"choice #2 use BEGIN_CANCELATION_POINT / END_CANCELATION_POINT\n"
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"backtrace: %s\n",
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DescribeBacktrace(__builtin_frame_address(0)));
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__builtin_trap();
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}
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#endif
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