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| author | Gustavo Zacarias <gustavo@zacarias.com.ar> | 2011-12-05 10:00:41 -0300 |
|---|---|---|
| committer | Peter Korsgaard <jacmet@sunsite.dk> | 2011-12-07 21:53:28 +0100 |
| commit | 7dc413255ba6a6e9edf88bf4881f50344ebda682 (patch) | |
| tree | e15ad67cfee0a381d25aad6cb87c3aff8d7f86f3 /toolchain/uClibc/uClibc-0.9.31.1-unshare.patch | |
| parent | eb9e933292d3e262debda5cc7d0a6a295d2ba479 (diff) | |
| download | buildroot-novena-7dc413255ba6a6e9edf88bf4881f50344ebda682.tar.gz buildroot-novena-7dc413255ba6a6e9edf88bf4881f50344ebda682.zip | |
uClibc: add unshare() syscall support
Add unshare() syscall support for uClibc 0.9.31 and 0.9.32 series.
This is required by newer versions of iproute2.
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Diffstat (limited to 'toolchain/uClibc/uClibc-0.9.31.1-unshare.patch')
| -rw-r--r-- | toolchain/uClibc/uClibc-0.9.31.1-unshare.patch | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/toolchain/uClibc/uClibc-0.9.31.1-unshare.patch b/toolchain/uClibc/uClibc-0.9.31.1-unshare.patch new file mode 100644 index 000000000..ad440d9dc --- /dev/null +++ b/toolchain/uClibc/uClibc-0.9.31.1-unshare.patch @@ -0,0 +1,74 @@ +Backport of unshare() syscall. +From uClibc git 19dd090a0f68765db87990ef8eda9bf77bb29581 + +Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar> + +--- +diff -Nura uClibc-0.9.31.1.orig/libc/sysdeps/linux/common/bits/sched.h uClibc-0.9.31.1/libc/sysdeps/linux/common/bits/sched.h +--- uClibc-0.9.31.1.orig/libc/sysdeps/linux/common/bits/sched.h 2011-06-08 15:58:40.000000000 -0300 ++++ uClibc-0.9.31.1/libc/sysdeps/linux/common/bits/sched.h 2011-12-05 08:10:02.491978849 -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-0.9.31.1.orig/libc/sysdeps/linux/common/Makefile.in uClibc-0.9.31.1/libc/sysdeps/linux/common/Makefile.in +--- uClibc-0.9.31.1.orig/libc/sysdeps/linux/common/Makefile.in 2011-06-08 15:58:40.000000000 -0300 ++++ uClibc-0.9.31.1/libc/sysdeps/linux/common/Makefile.in 2011-12-05 08:23:28.353757602 -0300 +@@ -31,7 +31,8 @@ + 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,$(CSRC)) ++ sync_file_range.c sysctl.c sysinfo.c timerfd.c unshare.c uselib.c \ ++ vhangup.c,$(CSRC)) + endif + + ifneq ($(UCLIBC_BSD_SPECIFIC),y) +diff -Nura uClibc-0.9.31.1.orig/libc/sysdeps/linux/common/unshare.c uClibc-0.9.31.1/libc/sysdeps/linux/common/unshare.c +--- uClibc-0.9.31.1.orig/libc/sysdeps/linux/common/unshare.c 1969-12-31 21:00:00.000000000 -0300 ++++ uClibc-0.9.31.1/libc/sysdeps/linux/common/unshare.c 2011-12-05 08:22:45.954453512 -0300 +@@ -0,0 +1,21 @@ ++/* 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 && defined __UCLIBC_LINUX_SPECIFIC__ ++_syscall1(int, unshare, int, flags) ++#else ++int unshare(int flags) ++{ ++ __set_errno(ENOSYS); ++ return -1; ++} ++#endif |