diff options
Diffstat (limited to 'sysdeps/unix')
| -rw-r--r-- | sysdeps/unix/sysv/linux/libc_fatal.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/libc_fatal.c b/sysdeps/unix/sysv/linux/libc_fatal.c index c7fac6ab51..7287f4ef6c 100644 --- a/sysdeps/unix/sysv/linux/libc_fatal.c +++ b/sysdeps/unix/sysv/linux/libc_fatal.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1993-1995,1997,2000,2002-2005 Free Software Foundation, Inc. +/* Copyright (C) 1993-1995,1997,2000,2002-2005,2009 + 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 @@ -16,6 +17,7 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <atomic.h> #include <errno.h> #include <fcntl.h> #include <paths.h> @@ -131,6 +133,20 @@ __libc_message (int do_abort, const char *fmt, ...) if (cnt == total) written = true; + + char *buf = do_abort ? malloc (total + 1) : NULL; + if (buf != NULL) + { + char *wp = buf; + for (int cnt = 0; cnt < nlist; ++cnt) + wp = mempcpy (wp, iov[cnt].iov_base, iov[cnt].iov_len); + *wp = '\0'; + + /* 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); + } } va_end (ap); |