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# --- SDE-COPYRIGHT-NOTE-BEGIN ---# This copyright note is auto-generated by ./scripts/Create-CopyPatch.## Filename: package/.../uclibc/uClibc-0.9.32.1-unshare.patch# Copyright (C) 2012 The OpenSDE Project## More information can be found in the files COPYING and README.## This patch file is dual-licensed. It is available under the license the# patched project is licensed under, as long as it is an OpenSource license# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms# of the GNU General Public License as published by the Free Software# Foundation; either version 2 of the License, or (at your option) any later# version.# --- SDE-COPYRIGHT-NOTE-END ---
Backport of unshare() syscall.From uClibc git 19dd090a0f68765db87990ef8eda9bf77bb29581
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
---
diff -Nura uClibc-0.9.32.orig/libc/sysdeps/linux/common/bits/sched.h uClibc-0.9.32/libc/sysdeps/linux/common/bits/sched.h
--- uClibc-0.9.32.orig/libc/sysdeps/linux/common/bits/sched.h 2011-12-02 23:54:30.571841170 -0300
+++ uClibc-0.9.32/libc/sysdeps/linux/common/bits/sched.h 2011-12-02 23:57:45.874205079 -0300
@@ -58,7 +58,13 @@
force CLONE_PTRACE on this clone. */ # define CLONE_CHILD_SETTID 0x01000000 /* Store TID in userlevel buffer in the child. */-# define CLONE_STOPPED 0x02000000 /* Start in stopped state. */
+# define CLONE_STOPPED 0x02000000 /* Start in stopped state. */
+# define CLONE_NEWUTS 0x04000000 /* New utsname group. */
+# define CLONE_NEWIPC 0x08000000 /* New ipcs. */
+# define CLONE_NEWUSER 0x10000000 /* New user namespace. */
+# define CLONE_NEWPID 0x20000000 /* New pid namespace. */
+# define CLONE_NEWNET 0x40000000 /* New network namespace. */
+# define CLONE_IO 0x80000000 /* Clone I/O context. */
#endif /* The official definition. */@@ -74,11 +80,9 @@
extern int clone (int (*__fn) (void *__arg), void *__child_stack, int __flags, void *__arg, ...) __THROW; -#if 0
/* Unshare the specified resources. */ extern int unshare (int __flags) __THROW; #endif-#endif
__END_DECLS diff -Nura uClibc-0.9.32.orig/libc/sysdeps/linux/common/Makefile.in uClibc-0.9.32/libc/sysdeps/linux/common/Makefile.in
--- uClibc-0.9.32.orig/libc/sysdeps/linux/common/Makefile.in 2011-12-02 23:54:30.577841215 -0300
+++ uClibc-0.9.32/libc/sysdeps/linux/common/Makefile.in 2011-12-02 23:56:08.801527166 -0300
@@ -24,7 +24,8 @@
remap_file_pages.c sched_getaffinity.c sched_setaffinity.c \ sendfile64.c sendfile.c setfsgid.c setfsuid.c setresuid.c \ splice.c vmsplice.c tee.c signalfd.c swapoff.c swapon.c \- sync_file_range.c sysctl.c sysinfo.c timerfd.c uselib.c vhangup.c
+ sync_file_range.c sysctl.c sysinfo.c timerfd.c unshare.c uselib.c \
+ vhangup.c
# NPTL needs these internally: madvise.c CSRC-$(findstring y,$(UCLIBC_LINUX_SPECIFIC)$(UCLIBC_HAS_THREADS_NATIVE)) += madvise.c ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y)diff -Nura uClibc-0.9.32.orig/libc/sysdeps/linux/common/stubs.c uClibc-0.9.32/libc/sysdeps/linux/common/stubs.c
--- uClibc-0.9.32.orig/libc/sysdeps/linux/common/stubs.c 2011-12-02 23:54:30.577841215 -0300
+++ uClibc-0.9.32/libc/sysdeps/linux/common/stubs.c 2011-12-02 23:58:18.803435042 -0300
@@ -278,6 +278,10 @@
make_stub(umount2) #endif +#if !defined __NR_unshare && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(unshare)
+#endif
+
#ifndef __NR_utimensat make_stub(futimens) make_stub(utimensat)diff -Nura uClibc-0.9.32.orig/libc/sysdeps/linux/common/unshare.c uClibc-0.9.32/libc/sysdeps/linux/common/unshare.c
--- uClibc-0.9.32.orig/libc/sysdeps/linux/common/unshare.c 1969-12-31 21:00:00.000000000 -0300
+++ uClibc-0.9.32/libc/sysdeps/linux/common/unshare.c 2011-12-02 23:58:42.693601880 -0300
@@ -0,0 +1,15 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * unshare() for uClibc
+ *
+ * Copyright (C) 2011 Henning Heinold <heinold@inf.fu-berlin.de>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sys/syscall.h>
+#include <sched.h>
+
+#if defined __NR_unshare
+_syscall1(int, unshare, int, flags)
+#endif
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