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construct/ircd/assert.cc
2019-06-01 02:10:58 -07:00

107 lines
2.3 KiB
C++

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