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mirror of https://sourceware.org/git/glibc.git synced 2025-07-28 00:21:52 +03:00
This commit is contained in:
Jakub Jelinek
2007-07-12 18:26:36 +00:00
parent 7d58530341
commit 0ecb606cb6
6215 changed files with 494638 additions and 305010 deletions

View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993-1995,1997,2000,2002-2004 Free Software Foundation, Inc.
/* Copyright (C) 1993-1995,1997,2000,2002-2005 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
@ -27,6 +27,7 @@
#include <sysdep.h>
#include <unistd.h>
#include <sys/syslog.h>
#include <execinfo.h>
/* Abort with an error message. */
#include <not-cancel.h>
@ -141,8 +142,33 @@ __libc_message (int do_abort, const char *fmt, ...)
va_end (ap_copy);
if (do_abort)
/* Terminate the process. */
abort ();
{
if (do_abort > 1 && written)
{
void *addrs[64];
#define naddrs (sizeof (addrs) / sizeof (addrs[0]))
int n = __backtrace (addrs, naddrs);
if (n > 2)
{
#define strnsize(str) str, strlen (str)
#define writestr(str) write_not_cancel (fd, str)
writestr (strnsize ("======= Backtrace: =========\n"));
__backtrace_symbols_fd (addrs + 1, n - 1, fd);
writestr (strnsize ("======= Memory map: ========\n"));
int fd2 = open_not_cancel_2 ("/proc/self/maps", O_RDONLY);
char buf[1024];
ssize_t n2;
while ((n2 = read_not_cancel (fd2, buf, sizeof (buf))) > 0)
if (write_not_cancel (fd, buf, n2) != n2)
break;
close_not_cancel_no_status (fd2);
}
}
/* Terminate the process. */
abort ();
}
}