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* sysdeps/unix/sysv/linux/bits/sched.h: Declare unshare. 

* sysdeps/unix/sysv/linux/Versions [libc, GLIBC_2.4]: Export
	unshare.
	* sysdeps/unix/sysv/linux/syscalls.list: Add unshare syscall.

	* sysdeps/unix/Makefile ($(objpfx)stub-syscalls.c): Add some
	preprocessor magic so that the compiler won't see the prototypes
	for the functions we are defining as stubs.
This commit is contained in:
Ulrich Drepper 2006-02-08 18:25:19 +00:00
parent b576fca12a
commit e32f487e1c
5 changed files with 26 additions and 3 deletions
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11
ChangeLog
View File

@ -1,3 +1,14 @@
2006-02-08 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/bits/sched.h: Declare unshare.
* sysdeps/unix/sysv/linux/Versions [libc, GLIBC_2.4]: Export
unshare.
* sysdeps/unix/sysv/linux/syscalls.list: Add unshare syscall.
* sysdeps/unix/Makefile ($(objpfx)stub-syscalls.c): Add some
preprocessor magic so that the compiler won't see the prototypes
for the functions we are defining as stubs.
2006-02-05 Ulrich Drepper <drepper@redhat.com>
* io/ftw.c (ftw_startup): Use fchdir to return to original

10
sysdeps/unix/Makefile
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@ -1,4 +1,4 @@
# Copyright (C) 1991,1992,1993,1994,1995,1996,1997,1998,1999,2003
# Copyright (C) 1991,1992,1993,1994,1995,1996,1997,1998,1999,2003, 2006
# Free Software Foundation, Inc.
# This file is part of the GNU C Library.
@ -294,7 +294,13 @@ sysdep_routines += stub-syscalls
$(objpfx)stub-syscalls.c: $(common-objpfx)sysd-syscalls \
$(..)sysdeps/unix/Makefile
$(make-target-directory)
(echo '#include <errno.h>'; \
(for call in $(unix-stub-syscalls); do \
echo "#define $$call RENAMED_$$call"; \
done; \
echo '#include <errno.h>'; \
for call in $(unix-stub-syscalls); do \
echo "#undef $$call"; \
done; \
echo 'long int _no_syscall (void)'; \
echo '{ __set_errno (ENOSYS); return -1L; }'; \
for call in $(unix-stub-syscalls); do \

2
sysdeps/unix/sysv/linux/Versions
View File

@ -118,6 +118,8 @@ libc {
GLIBC_2.4 {
inotify_init; inotify_add_watch; inotify_rm_watch;
unshare;
#errlist-compat 132
_sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
}

5
sysdeps/unix/sysv/linux/bits/sched.h
View File

@ -69,10 +69,13 @@ struct sched_param
__BEGIN_DECLS
/* Clone current process. */
#ifdef __USE_MISC
/* Clone current process. */
extern int clone (int (*__fn) (void *__arg), void *__child_stack,
int __flags, void *__arg, ...) __THROW;
/* Unshare the specified resources. */
extern int unshare (int __flags) __THROW;
#endif
__END_DECLS

1
sysdeps/unix/sysv/linux/syscalls.list
View File

@ -73,6 +73,7 @@ sigaltstack - sigaltstack i:PP __sigaltstack sigaltstack
sysinfo EXTRA sysinfo i:p sysinfo
swapon - swapon i:si __swapon swapon
swapoff - swapoff i:s __swapoff swapoff
unshare EXTRA unshare i:i unshare
uselib EXTRA uselib i:s uselib
wait4 - wait4 i:iWiP __wait4 wait4