diff options
Diffstat (limited to 'toolchain/uClibc/uClibc-0.9.32-unshare.patch')
| -rw-r--r-- | toolchain/uClibc/uClibc-0.9.32-unshare.patch | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/toolchain/uClibc/uClibc-0.9.32-unshare.patch b/toolchain/uClibc/uClibc-0.9.32-unshare.patch new file mode 100644 index 000000000..5820e15bb --- /dev/null +++ b/toolchain/uClibc/uClibc-0.9.32-unshare.patch @@ -0,0 +1,82 @@ +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 |