mirror of
https://github.com/matrix-construct/construct
synced 2024-11-26 16:52:44 +01:00
111 lines
2.5 KiB
C++
111 lines
2.5 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2019 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#include <RB_INC_SIGNAL_H
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#if !defined(NDEBUG) && defined(RB_ASSERT)
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void
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__assert(const char *__assertion,
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const char *__file,
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int __line)
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{
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__assert_fail(__assertion, __file, __line, "<no function>");
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}
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#endif
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#if !defined(NDEBUG) && defined(RB_ASSERT)
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void
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__assert_perror_fail(int __errnum,
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const char *__file,
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unsigned int __line,
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const char *__function)
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{
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char buf[32];
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snprintf(buf, sizeof(buf), "perror #%d: ", __errnum);
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__assert_fail(buf, __file, __line, __function);
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}
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#endif
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#if !defined(NDEBUG) && defined(RB_ASSERT)
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wunreachable-code"
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void
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__assert_fail(const char *__assertion,
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const char *__file,
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unsigned int __line,
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const char *__function)
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{
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if(strcmp(__assertion, "critical") != 0)
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fprintf(stderr, "\nassertion failed [%s +%u] %s :%s\n",
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__file,
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__line,
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__function,
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__assertion);
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if(ircd::soft_assert)
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return;
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if(strcmp(RB_ASSERT, "quit") == 0)
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ircd::quit();
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else if(strcmp(RB_ASSERT, "trap") == 0)
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ircd::debugtrap();
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#if defined(HAVE_EXCEPTION)
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else if(strcmp(RB_ASSERT, "term") == 0)
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{
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std::terminate();
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__builtin_unreachable();
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}
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#endif
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#if defined(HAVE_CSTDLIB)
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else if(strcmp(RB_ASSERT, "abort") == 0)
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{
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abort();
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__builtin_unreachable();
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}
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#endif
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#if defined(HAVE_SIGNAL_H)
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else if(strcmp(RB_ASSERT, "SIGTRAP") == 0)
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raise(SIGTRAP);
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#endif
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#if defined(HAVE_SIGNAL_H)
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else if(strcmp(RB_ASSERT, "SIGSTOP") == 0)
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raise(SIGSTOP);
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#endif
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#if defined(HAVE_SIGNAL_H)
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else if(strcmp(RB_ASSERT, "SIGQUIT") == 0)
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raise(SIGQUIT);
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#endif
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else __builtin_trap();
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}
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#pragma clang diagnostic pop
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#endif
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void
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__attribute__((visibility("default")))
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ircd::debugtrap()
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{
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#if defined(__clang__)
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static_assert(__has_builtin(__builtin_debugtrap));
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__builtin_debugtrap();
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#elif defined(__x86_64__)
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__asm__ volatile ("int $3");
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#elif defined(HAVE_SIGNAL_H)
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raise(SIGTRAP);
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#else
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__builtin_trap();
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#endif
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}
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