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/*
Copyright (C) 2016 William Hart
This file is part of FLINT.
FLINT is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version. See <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <stdarg.h>
#include "flint.h"
#if FLINT_REENTRANT && !HAVE_TLS
#include <pthread.h>
static pthread_once_t abort_func_init = PTHREAD_ONCE_INIT;
pthread_mutex_t abort_func_lock;
void __flint_set_abort_init()
{
pthread_mutex_init(&abort_func_lock, NULL);
}
#endif
FLINT_NORETURN void (*abort_func)(void) = abort;
void flint_set_abort(FLINT_NORETURN void (*func)(void))
{
#if FLINT_REENTRANT && !HAVE_TLS
pthread_once(&abort_func_init, __flint_set_abort_init);
pthread_mutex_lock(&abort_func_lock);
#endif
abort_func = func;
#if FLINT_REENTRANT && !HAVE_TLS
pthread_mutex_unlock(&abort_func_lock);
#endif
}
FLINT_NORETURN void flint_abort()
{
(*abort_func)();
}
void flint_throw(flint_err_t exc, const char * msg, ...)
{
va_list ap;
va_start(ap, msg);
flint_printf("Flint exception (");
switch (exc)
{
case FLINT_ERROR:
flint_printf("General error");
break;
case FLINT_IMPINV:
flint_printf("Impossible inverse");
break;
case FLINT_DOMERR:
flint_printf("Domain error");
break;
case FLINT_DIVZERO:
flint_printf("Divide by zero");
break;
case FLINT_INEXACT:
flint_printf("Inexact");
break;
default:
flint_printf("Unknown exception");
}
printf("):\n ");
flint_vprintf(msg, ap);
va_end(ap);
flint_abort();
}
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