diff options
Diffstat (limited to 'elf/dl-writev.h')
-rw-r--r-- | elf/dl-writev.h | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/elf/dl-writev.h b/elf/dl-writev.h deleted file mode 100644 index 4db083bef6..0000000000 --- a/elf/dl-writev.h +++ /dev/null @@ -1,56 +0,0 @@ -/* Message-writing for the dynamic linker. Generic version. - Copyright (C) 2013-2017 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 <sys/uio.h> -#include <ldsodefs.h> -#include <libc-lock.h> - -/* This is used from only one place: dl-misc.c:_dl_debug_vdprintf. - Hence it's in a header with the expectation it will be inlined. - - This is writev, but with a constraint added and others loosened: - - 1. Under RTLD_PRIVATE_ERRNO, it must not clobber the private errno - when another thread holds the dl_load_lock. - 2. It is not obliged to detect and report errors at all. - 3. It's not really obliged to deliver a single atomic write - (though it may be preferable). */ - -static inline void -_dl_writev (int fd, const struct iovec *iov, size_t niov) -{ - /* Note that if __writev is an implementation that calls malloc, - this will cause linking problems building the dynamic linker. */ - -#if RTLD_PRIVATE_ERRNO - /* We have to take this lock just to be sure we don't clobber the private - errno when it's being used by another thread that cares about it. - Yet we must be sure not to try calling the lock functions before - the thread library is fully initialized. */ - if (__glibc_unlikely (_dl_starting_up)) - __writev (fd, iov, niov); - else - { - __rtld_lock_lock_recursive (GL(dl_load_lock)); - __writev (fd, iov, niov); - __rtld_lock_unlock_recursive (GL(dl_load_lock)); - } -#else - __writev (fd, iov, niov); -#endif -} |