mirror of
https://sourceware.org/git/glibc.git
synced 2025-11-03 20:53:13 +03:00
48dcd0ba84
The terminal output etc is not visible in a core file. The new libc-internal variable __abort_msg will point to a string with the message which has been printed before the abort in case abort is called from inside libc. BZ #10217
83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
/* Copyright (C) 1994-1998,2001,2002,2005,2009 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <assert.h>
|
|
#include <atomic.h>
|
|
#include <libintl.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sysdep.h>
|
|
#include <unistd.h>
|
|
|
|
|
|
extern const char *__progname;
|
|
|
|
#ifdef USE_IN_LIBIO
|
|
# include <wchar.h>
|
|
# include <libio/iolibio.h>
|
|
# define fflush(s) INTUSE(_IO_fflush) (s)
|
|
#endif
|
|
|
|
/* This function, when passed an error number, a filename, and a line
|
|
number, prints a message on the standard error stream of the form:
|
|
a.c:10: foobar: Unexpected error: Computer bought the farm
|
|
It then aborts program execution via a call to `abort'. */
|
|
|
|
#ifdef FATAL_PREPARE_INCLUDE
|
|
# include FATAL_PREPARE_INCLUDE
|
|
#endif
|
|
|
|
void
|
|
__assert_perror_fail (int errnum,
|
|
const char *file, unsigned int line,
|
|
const char *function)
|
|
{
|
|
char errbuf[1024];
|
|
char *buf;
|
|
|
|
#ifdef FATAL_PREPARE
|
|
FATAL_PREPARE;
|
|
#endif
|
|
|
|
if (__asprintf (&buf, _("%s%s%s:%u: %s%sUnexpected error: %s.\n"),
|
|
__progname, __progname[0] ? ": " : "",
|
|
file, line,
|
|
function ? function : "", function ? ": " : "",
|
|
__strerror_r (errnum, errbuf, sizeof errbuf)) >= 0)
|
|
{
|
|
/* Print the message. */
|
|
(void) __fxprintf (NULL, "%s", buf);
|
|
(void) fflush (stderr);
|
|
|
|
/* We have to free the old buffer since the application might
|
|
catch the SIGABRT signal. */
|
|
char *old = atomic_exchange_acq (&__abort_msg, buf);
|
|
free (old);
|
|
}
|
|
else
|
|
{
|
|
/* At least print a minimal message. */
|
|
static const char errstr[] = "Unexpected error.\n";
|
|
__libc_write (STDERR_FILENO, errstr, sizeof (errstr) - 1);
|
|
}
|
|
|
|
abort ();
|
|
}
|
|
libc_hidden_def (__assert_perror_fail)
|