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