Flatten sysdeps/unix/bsd/bsd4.4 into sysdeps/unix/bsd.

As discussed in
<https://sourceware.org/ml/libc-alpha/2012-04/msg00840.html> and
<https://sourceware.org/ml/libc-alpha/2012-04/msg00989.html>, it seems
appropriate to flatten sysdeps/unix/bsd/bsd4.4 into sysdeps/unix/bsd.

The bulk of the patch is just moving files.  The only other changes
are: update paths in sysdeps/mach/hurd/Implies and
sysdeps/unix/sysv/linux/wait3.c; merge the two syscalls.list files,
with the removal of syscalls that were in
sysdeps/unix/bsd/syscalls.list but overridden in the bsd4.4 directory
by .c files there.

Tested x86_64.  The installed shared libraries are identical before
and after the patch except for libc.so where the move of wait3.c
(included by sysdeps/unix/sysv/linux/wait3.c) affects debug info, but
the disassembly is unchanged.

	* sysdeps/mach/hurd/Implies: Change unix/bsd/bsd4.4 to unix/bsd.
	* sysdeps/unix/bsd/syscalls.list (chflags): Add entry from
	sysdeps/unix/bsd/bsd4.4/syscalls.list.
	(fchflags): Likewise.
	(revoke): Likewise.
	(setlogin): Likewise.
	(sigaltstack): Likewise.
	(wait4): Likewise.
	(sigblock): Remove.
	(sigsetmask): Likewise.
	(wait3): Likewise.
	(waitpid): Likewise.
	* sysdeps/unix/bsd/bsd4.4/syscalls.list: Remove file.
	* sysdeps/unix/sysv/linux/wait3.c: Update directory of included
	file.
	* sysdeps/unix/bsd/bsd4.4/Makefile: Move to ...
	* sysdeps/unix/bsd/Makefile: ... here.
	* sysdeps/unix/bsd/bsd4.4/Versions: Move to ...
	* sysdeps/unix/bsd/Versions: ... here.
	* sysdeps/unix/bsd/bsd4.4/bits/sockaddr.h: Move to ...
	* sysdeps/unix/bsd/bits/sockaddr.h: ... here.
	* sysdeps/unix/bsd/bsd4.4/cmsg_nxthdr.c: Move to ...
	* sysdeps/unix/bsd/cmsg_nxthdr.c: ... here.
	* sysdeps/unix/bsd/bsd4.4/sigblock.c: Move to ...
	* sysdeps/unix/bsd/sigblock.c: ... here.
	* sysdeps/unix/bsd/bsd4.4/sigsetmask.c: Move to ...
	* sysdeps/unix/bsd/sigsetmask.c: ... here.
	* sysdeps/unix/bsd/bsd4.4/sigvec.c: Move to ...
	* sysdeps/unix/bsd/sigvec.c: ... here.
	* sysdeps/unix/bsd/bsd4.4/tcdrain.c: Move to ...
	* sysdeps/unix/bsd/tcdrain.c: ... here.
	* sysdeps/unix/bsd/bsd4.4/tcgetattr.c: Move to ...
	* sysdeps/unix/bsd/tcgetattr.c: ... here.
	* sysdeps/unix/bsd/bsd4.4/tcsetattr.c: Move to ...
	* sysdeps/unix/bsd/tcsetattr.c: ... here.
	* sysdeps/unix/bsd/bsd4.4/wait.c: Move to ...
	* sysdeps/unix/bsd/wait.c: ... here.
	* sysdeps/unix/bsd/bsd4.4/wait3.c: Move to ...
	* sysdeps/unix/bsd/wait3.c: ... here.
	* sysdeps/unix/bsd/bsd4.4/waitpid.c: Move to ...
	* sysdeps/unix/bsd/waitpid.c: ... here.

15 files changed, 6 insertions, 12 deletions

diff --git a/sysdeps/unix/bsd/bsd4.4/Makefile b/sysdeps/unix/bsd/Makefile
index 208fd24484..208fd24484 100644
--- a/sysdeps/unix/bsd/bsd4.4/Makefile
+++ b/sysdeps/unix/bsd/Makefile
diff --git a/sysdeps/unix/bsd/bsd4.4/Versions b/sysdeps/unix/bsd/Versions
index 99b386b670..99b386b670 100644
--- a/sysdeps/unix/bsd/bsd4.4/Versions
+++ b/sysdeps/unix/bsd/Versions
diff --git a/sysdeps/unix/bsd/bsd4.4/bits/sockaddr.h b/sysdeps/unix/bsd/bits/sockaddr.h
index c2a1c9c2e4..c2a1c9c2e4 100644
--- a/sysdeps/unix/bsd/bsd4.4/bits/sockaddr.h
+++ b/sysdeps/unix/bsd/bits/sockaddr.h
diff --git a/sysdeps/unix/bsd/bsd4.4/syscalls.list b/sysdeps/unix/bsd/bsd4.4/syscalls.list
deleted file mode 100644
index a4d3546854..0000000000
--- a/sysdeps/unix/bsd/bsd4.4/syscalls.list
+++ /dev/null
@@ -1,8 +0,0 @@
-# File name	Caller	Syscall name	# args	Strong name	Weak names
-
-chflags		-	chflags		2	chflags
-fchflags	-	fchflags	2	fchflags
-revoke		-	revoke		1	revoke
-setlogin	-	setlogin	2	setlogin
-sigaltstack	-	sigaltstack	2	__sigaltstack	sigaltstack
-wait4		-	wait4		4	__wait4		wait4
diff --git a/sysdeps/unix/bsd/bsd4.4/cmsg_nxthdr.c b/sysdeps/unix/bsd/cmsg_nxthdr.c
index 1a542fa01a..1a542fa01a 100644
--- a/sysdeps/unix/bsd/bsd4.4/cmsg_nxthdr.c
+++ b/sysdeps/unix/bsd/cmsg_nxthdr.c
diff --git a/sysdeps/unix/bsd/bsd4.4/sigblock.c b/sysdeps/unix/bsd/sigblock.c
index 2647327db0..2647327db0 100644
--- a/sysdeps/unix/bsd/bsd4.4/sigblock.c
+++ b/sysdeps/unix/bsd/sigblock.c
diff --git a/sysdeps/unix/bsd/bsd4.4/sigsetmask.c b/sysdeps/unix/bsd/sigsetmask.c
index 47f1e36a7f..47f1e36a7f 100644
--- a/sysdeps/unix/bsd/bsd4.4/sigsetmask.c
+++ b/sysdeps/unix/bsd/sigsetmask.c
diff --git a/sysdeps/unix/bsd/bsd4.4/sigvec.c b/sysdeps/unix/bsd/sigvec.c
index d03d9bb3df..d03d9bb3df 100644
--- a/sysdeps/unix/bsd/bsd4.4/sigvec.c
+++ b/sysdeps/unix/bsd/sigvec.c
diff --git a/sysdeps/unix/bsd/syscalls.list b/sysdeps/unix/bsd/syscalls.list
index e84819dc1f..9f48a144d4 100644
--- a/sysdeps/unix/bsd/syscalls.list
+++ b/sysdeps/unix/bsd/syscalls.list
@@ -1,14 +1,16 @@
 # File name	Caller	Syscall name	# args	Strong name	Weak names
 
+chflags		-	chflags		2	chflags
+fchflags	-	fchflags	2	fchflags
 flock		-	flock		2	__flock		flock
 getdents	-	getdirentries	4	__getdirentries	getdirentries
 getdtsz		-	getdtablesize	0	__getdtablesize	getdtablesize
 getpagesize	-	getpagesize	0	__getpagesize	getpagesize
 killpg		-	killpg		2	killpg
-sigblock	-	sigblock	1	__sigblock	sigblock
+revoke		-	revoke		1	revoke
+setlogin	-	setlogin	2	setlogin
+sigaltstack	-	sigaltstack	2	__sigaltstack	sigaltstack
 sigpause	-	sigpause	1	__sigpause	sigpause
-sigsetmask	-	sigsetmask	1	__sigsetmask	sigsetmask
 sigstack	-	sigstack	2	sigstack
 sigvec		-	sigvec		3	__sigvec	sigvec
-wait3		-	wait3		3	__wait3		wait3
-waitpid		-	waitpid		3	__waitpid	waitpid
+wait4		-	wait4		4	__wait4		wait4
diff --git a/sysdeps/unix/bsd/bsd4.4/tcdrain.c b/sysdeps/unix/bsd/tcdrain.c
index bc63a2485a..bc63a2485a 100644
--- a/sysdeps/unix/bsd/bsd4.4/tcdrain.c
+++ b/sysdeps/unix/bsd/tcdrain.c
diff --git a/sysdeps/unix/bsd/bsd4.4/tcgetattr.c b/sysdeps/unix/bsd/tcgetattr.c
index e5402cddd0..e5402cddd0 100644
--- a/sysdeps/unix/bsd/bsd4.4/tcgetattr.c
+++ b/sysdeps/unix/bsd/tcgetattr.c
diff --git a/sysdeps/unix/bsd/bsd4.4/tcsetattr.c b/sysdeps/unix/bsd/tcsetattr.c
index bd58771549..bd58771549 100644
--- a/sysdeps/unix/bsd/bsd4.4/tcsetattr.c
+++ b/sysdeps/unix/bsd/tcsetattr.c
diff --git a/sysdeps/unix/bsd/bsd4.4/wait.c b/sysdeps/unix/bsd/wait.c
index c561c60a81..c561c60a81 100644
--- a/sysdeps/unix/bsd/bsd4.4/wait.c
+++ b/sysdeps/unix/bsd/wait.c
diff --git a/sysdeps/unix/bsd/bsd4.4/wait3.c b/sysdeps/unix/bsd/wait3.c
index 4af9b4b916..4af9b4b916 100644
--- a/sysdeps/unix/bsd/bsd4.4/wait3.c
+++ b/sysdeps/unix/bsd/wait3.c
diff --git a/sysdeps/unix/bsd/bsd4.4/waitpid.c b/sysdeps/unix/bsd/waitpid.c
index f25110ba79..f25110ba79 100644
--- a/sysdeps/unix/bsd/bsd4.4/waitpid.c
+++ b/sysdeps/unix/bsd/waitpid.c