diff options
Diffstat (limited to 'sysdeps/posix/libc_fatal.c')
| -rw-r--r-- | sysdeps/posix/libc_fatal.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/sysdeps/posix/libc_fatal.c b/sysdeps/posix/libc_fatal.c index c611b84363..4f11c0fcb0 100644 --- a/sysdeps/posix/libc_fatal.c +++ b/sysdeps/posix/libc_fatal.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993,1994,1995,1997,2000,2004,2005 +/* Copyright (C) 1993-1995,1997,2000,2004,2005,2009 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -17,6 +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> @@ -123,6 +124,20 @@ __libc_message (int do_abort, const char *fmt, ...) if (TEMP_FAILURE_RETRY (__writev (fd, iov, nlist)) == 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); |