diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/libc_fatal.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/libc_fatal.c | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/sysdeps/unix/sysv/linux/libc_fatal.c b/sysdeps/unix/sysv/linux/libc_fatal.c deleted file mode 100644 index d22bfdcc67..0000000000 --- a/sysdeps/unix/sysv/linux/libc_fatal.c +++ /dev/null @@ -1,68 +0,0 @@ -/* Catastrophic failure reports. Linux version. - Copyright (C) 1993-2017 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, see - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <execinfo.h> -#include <fcntl.h> -#include <not-cancel.h> -#include <string.h> -#include <sys/mman.h> -#include <sys/uio.h> - -static bool -writev_for_fatal (int fd, const struct iovec *iov, size_t niov, size_t total) -{ - INTERNAL_SYSCALL_DECL (err); - ssize_t cnt; - do - cnt = INTERNAL_SYSCALL (writev, err, 3, fd, iov, niov); - while (INTERNAL_SYSCALL_ERROR_P (cnt, err) - && INTERNAL_SYSCALL_ERRNO (cnt, err) == EINTR); - return cnt == total; -} -#define WRITEV_FOR_FATAL writev_for_fatal - -static void -backtrace_and_maps (int do_abort, bool written, int fd) -{ - 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); - } - } -} -#define BEFORE_ABORT backtrace_and_maps - -#include <sysdeps/posix/libc_fatal.c> |