diff options
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | misc/Makefile | 1 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/Makefile | 3 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/open_by_handle_at.c | 37 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/syscalls.list | 1 |
5 files changed, 48 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog index 0ce006319a..3e846a0506 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,13 @@ 2017-05-18 Adhemerval Zanella <adhemerval.zanella@linaro.org> + * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add + open_by_handle_at. + (CFLAGS-open_by_handle_at.c): New flag. + * sysdeps/unix/sysv/linux/open_by_handle_at.c: New file. + * sysdeps/unix/sysv/linux/syscalls.list (open_by_handle_at): New + file. + * misc/Makefile (CFLAGS-open_by_handle_at.c): New rule. + * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add splice. (CFLAGS-splice.c): New flag. * sysdeps/unix/sysv/linux/splice.c: New file. diff --git a/misc/Makefile b/misc/Makefile index e4fe468467..38beb00d8e 100644 --- a/misc/Makefile +++ b/misc/Makefile @@ -113,6 +113,7 @@ CFLAGS-fdatasync.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-fsync.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-vmsplice.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-splice.c = -fexceptions -fasynchronous-unwind-tables +CFLAGS-open_by_handle_at.c = -fexceptions -fasynchronous-unwind-tables # Called during static library initialization, so turn stack-protection # off for non-shared builds. diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index c1f6e24775..45c05f1029 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -17,7 +17,8 @@ include $(firstword $(wildcard $(sysdirs:=/sysctl.mk))) sysdep_routines += clone umount umount2 readahead \ setfsuid setfsgid epoll_pwait signalfd \ eventfd eventfd_read eventfd_write prlimit \ - personality epoll_wait tee vmsplice splice + personality epoll_wait tee vmsplice splice \ + open_by_handle_at CFLAGS-gethostid.c = -fexceptions CFLAGS-tee.c = -fexceptions -fasynchronous-unwind-tables diff --git a/sysdeps/unix/sysv/linux/open_by_handle_at.c b/sysdeps/unix/sysv/linux/open_by_handle_at.c new file mode 100644 index 0000000000..e69f041280 --- /dev/null +++ b/sysdeps/unix/sysv/linux/open_by_handle_at.c @@ -0,0 +1,37 @@ +/* Obtain handle for an open file via a handle. Linux implementation. + Copyright (C) 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 <fcntl.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sysdep-cancel.h> + +int +open_by_handle_at (int mount_fd, struct file_handle *handle, int flags) +{ +#ifdef __NR_open_by_handle_at + return SYSCALL_CANCEL (open_by_handle_at, mount_fd, handle, flags); +#else + __set_errno (ENOSYS); + return -1; +#endif +} + +#ifndef __NR_open_by_handle_at +stub_warning (open_by_handle_at) +#endif diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list index b40825afbd..a8d1299939 100644 --- a/sysdeps/unix/sysv/linux/syscalls.list +++ b/sysdeps/unix/sysv/linux/syscalls.list @@ -106,7 +106,6 @@ timerfd_gettime EXTRA timerfd_gettime i:ip timerfd_gettime fanotify_init EXTRA fanotify_init i:ii fanotify_init name_to_handle_at EXTRA name_to_handle_at i:isppi name_to_handle_at -open_by_handle_at EXTRA open_by_handle_at Ci:ipi open_by_handle_at setns EXTRA setns i:ii setns |