remove dead code and documentation

The code was disabled a while ago in commit:
814b0901f460a246315bfa7933a661f415bdc7fa

Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>

12 files changed, 1 insertions, 317 deletions

diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.commonarch b/libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.commonarch
index 4e147734c..81ce813a9 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.commonarch
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.commonarch
@@ -65,21 +65,18 @@ libpthread_linux_CSRC += pthread_attr_getaffinity.c pthread_attr_setaffinity.c \
 	pt-tempname.c \
 	pthread_sigqueue.c \
 	lowlevellock.c lowlevelrobustlock.c
-#	pt-sleep.c pt-fork.c sigtimedwait.c sigwaitinfo.c sigwait.c
 
 libpthread_linux_SSRC := #ptw-close.S ptw-open.S ptw-waitid.S ptw-waidpid.S ptw-write.S
 
 libc_linux_CSRC += libc_pthread_init.c libc_multiple_threads.c		\
 	register-atfork.c unregister-atfork.c getpid.c		\
 	raise.c jmp-unwind.c libc-lowlevellock.c
-	#sleep.c
 
 librt_linux_CSRC += mq_notify.c timer_create.c timer_delete.c		\
 	timer_getoverr.c timer_gettime.c timer_routines.c		\
 	timer_settime.c
 
-# These provide both a cancellable and a not cancellable implementation
-libc_linux_SSRC = #close.S open.S write.S read.S waitpid.S
+libc_linux_SSRC =
 libc_linux_SSRC := $(filter-out $(libc_linux_arch_SSRC-OMIT),$(libc_linux_SSRC))
 
 libpthread_linux_CSRC := $(filter-out $(notdir $(libpthread_linux_arch_OBJS:.o=.c)),$(libpthread_linux_CSRC))
@@ -99,7 +96,6 @@ endif
 libpthread-a-y += $(if $(DOPIC),$(libpthread_linux_OBJS:.o=.os),$(libpthread_linux_OBJS))
 libpthread-so-y += $(libpthread_linux_OBJS:.o=.oS)
 libpthread-so-y += $(libpthread_linux_OUT)/pt-raise.oS
-#libpthread-nomulti-y += $(libpthread_linux_OBJS)
 
 libc_linux_OBJS := $(libc_linux_arch_OBJS)
 libc_linux_OBJS += $(patsubst %.c,$(libpthread_linux_OUT)/%.o,$(libc_linux_CSRC))
@@ -110,7 +106,6 @@ endif
 
 libc-static-y += $(libc_linux_OBJS)
 libc-shared-y += $(libc_linux_OBJS:.o=.oS)
-#libc-nomulti-y += $(libc_linux_OBJS)
 
 librt_linux_OBJS := $(librt_linux_arch_OBJS)
 librt_linux_OBJS += $(patsubst %.c,$(libpthread_linux_OUT)/%.o,$(librt_linux_CSRC))
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/close.S b/libpthread/nptl/sysdeps/unix/sysv/linux/close.S
deleted file mode 100644
index cf50a1eae..000000000
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/close.S
+++ /dev/null
@@ -1,21 +0,0 @@
-#include <sysdep-cancel.h>
-
-/*
-extern int __close_nocancel (int) attribute_hidden;
-*/
-#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
-
-
-PSEUDO (__libc_close, close, 1)
-ret
-PSEUDO_END(__libc_close)
-
-libc_hidden_def (__close_nocancel)
-libc_hidden_def (__libc_close)
-weak_alias (__libc_close, __close)
-libc_hidden_weak (__close)
-weak_alias (__libc_close, close)
-libc_hidden_weak (close)
-
-
-#endif
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/open.S b/libpthread/nptl/sysdeps/unix/sysv/linux/open.S
deleted file mode 100644
index 486686a22..000000000
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/open.S
+++ /dev/null
@@ -1,21 +0,0 @@
-#include <sysdep-cancel.h>
-
-/*
-extern int __open_nocancel (const char *, int, ...) attribute_hidden;
-*/
-#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
-
-PSEUDO (__libc_open, open, 3)
-ret
-PSEUDO_END(__libc_open)
-
-libc_hidden_def (__open_nocancel)
-libc_hidden_def (__libc_open)
-weak_alias (__libc_open, __open)
-libc_hidden_weak (__open)
-weak_alias (__libc_open, open)
-libc_hidden_weak (open)
-
-
-
-#endif
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/pt-fork.c b/libpthread/nptl/sysdeps/unix/sysv/linux/pt-fork.c
deleted file mode 100644
index 69839cb5f..000000000
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/pt-fork.c
+++ /dev/null
@@ -1,28 +0,0 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <unistd.h>
-
-#if 0
-static pid_t
-__fork (void)
-{
-  return __libc_fork ();
-}
-strong_alias (__fork, fork)
-#endif
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/pt-sleep.c b/libpthread/nptl/sysdeps/unix/sysv/linux/pt-sleep.c
deleted file mode 100644
index 9e948adce..000000000
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/pt-sleep.c
+++ /dev/null
@@ -1,2 +0,0 @@
-#include <pthreadP.h>
-#include <../../../../../../libc/unistd/sleep.c>
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/read.S b/libpthread/nptl/sysdeps/unix/sysv/linux/read.S
deleted file mode 100644
index d3adfa84c..000000000
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/read.S
+++ /dev/null
@@ -1,19 +0,0 @@
-#include <sysdep-cancel.h>
-
-/*
-extern int __read_nocancel (int, void *, size_t) attribute_hidden;
-*/
-#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
-
-PSEUDO (__libc_read, read, 3)
-ret
-PSEUDO_END(__libc_read)
-
-libc_hidden_def (__read_nocancel)
-libc_hidden_def (__libc_read)
-weak_alias (__libc_read, __read)
-libc_hidden_weak (__read)
-weak_alias (__libc_read, read)
-libc_hidden_weak (read)
-
-#endif
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sigtimedwait.c b/libpthread/nptl/sysdeps/unix/sysv/linux/sigtimedwait.c
deleted file mode 100644
index 4cd5f5498..000000000
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/sigtimedwait.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/* Copyright (C) 1997,1998,2000,2002,2003,2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <pthreadP.h>
-#include <errno.h>
-#include <signal.h>
-#include <string.h>
-
-#include <sysdep-cancel.h>
-#include <sys/syscall.h>
-
-#ifdef __NR_rt_sigtimedwait
-
-static int
-do_sigtimedwait (const sigset_t *set, siginfo_t *info,
-		 const struct timespec *timeout)
-{
-#ifdef SIGCANCEL
-  sigset_t tmpset;
-  if (set != NULL
-      && (__builtin_expect (__sigismember (set, SIGCANCEL), 0)
-# ifdef SIGSETXID
-	  || __builtin_expect (__sigismember (set, SIGSETXID), 0)
-# endif
-	  ))
-    {
-      /* Create a temporary mask without the bit for SIGCANCEL set.  */
-      // We are not copying more than we have to.
-      memcpy (&tmpset, set, _NSIG / 8);
-      __sigdelset (&tmpset, SIGCANCEL);
-# ifdef SIGSETXID
-      __sigdelset (&tmpset, SIGSETXID);
-# endif
-      set = &tmpset;
-    }
-#endif
-
-    /* XXX The size argument hopefully will have to be changed to the
-       real size of the user-level sigset_t.  */
-  int result = INLINE_SYSCALL (rt_sigtimedwait, 4, set,
-			       info, timeout, _NSIG / 8);
-
-  /* The kernel generates a SI_TKILL code in si_code in case tkill is
-     used.  tkill is transparently used in raise().  Since having
-     SI_TKILL as a code is useful in general we fold the results
-     here.  */
-  if (result != -1 && info != NULL && info->si_code == SI_TKILL)
-    info->si_code = SI_USER;
-
-  return result;
-}
-
-
-/* Return any pending signal or wait for one for the given time.  */
-int
-__sigtimedwait (const sigset_t *set, siginfo_t *info,
-		const struct timespec *timeout)
-{
-  if (SINGLE_THREAD_P)
-    return do_sigtimedwait (set, info, timeout);
-
-  int oldtype = LIBC_CANCEL_ASYNC ();
-
-  /* XXX The size argument hopefully will have to be changed to the
-     real size of the user-level sigset_t.  */
-  int result = do_sigtimedwait (set, info, timeout);
-
-  LIBC_CANCEL_RESET (oldtype);
-
-  return result;
-}
-weak_alias (__sigtimedwait, sigtimedwait)
-#endif
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sigwait.c b/libpthread/nptl/sysdeps/unix/sysv/linux/sigwait.c
deleted file mode 100644
index bde0a9292..000000000
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/sigwait.c
+++ /dev/null
@@ -1,2 +0,0 @@
-#include <pthreadP.h>
-#include "../../../../../../libc/signal/sigwait.c"
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sigwaitinfo.c b/libpthread/nptl/sysdeps/unix/sysv/linux/sigwaitinfo.c
deleted file mode 100644
index 3ad330d21..000000000
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/sigwaitinfo.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/* Copyright (C) 1997,1998,2000,2002,2003,2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <pthreadP.h>
-#include <errno.h>
-#include <signal.h>
-#define __need_NULL
-#include <stddef.h>
-#include <string.h>
-
-#include <sysdep-cancel.h>
-#include <sys/syscall.h>
-
-#ifdef __NR_rt_sigtimedwait
-
-static int
-do_sigwaitinfo (const sigset_t *set, siginfo_t *info)
-{
-#ifdef SIGCANCEL
-  sigset_t tmpset;
-  if (set != NULL
-      && (__builtin_expect (__sigismember (set, SIGCANCEL), 0)
-# ifdef SIGSETXID
-	  || __builtin_expect (__sigismember (set, SIGSETXID), 0)
-# endif
-	  ))
-    {
-      /* Create a temporary mask without the bit for SIGCANCEL set.  */
-      // We are not copying more than we have to.
-      memcpy (&tmpset, set, _NSIG / 8);
-      __sigdelset (&tmpset, SIGCANCEL);
-# ifdef SIGSETXID
-      __sigdelset (&tmpset, SIGSETXID);
-# endif
-      set = &tmpset;
-    }
-#endif
-
-  /* XXX The size argument hopefully will have to be changed to the
-     real size of the user-level sigset_t.  */
-  int result = INLINE_SYSCALL (rt_sigtimedwait, 4, set,
-			       info, NULL, _NSIG / 8);
-
-  /* The kernel generates a SI_TKILL code in si_code in case tkill is
-     used.  tkill is transparently used in raise().  Since having
-     SI_TKILL as a code is useful in general we fold the results
-     here.  */
-  if (result != -1 && info != NULL && info->si_code == SI_TKILL)
-    info->si_code = SI_USER;
-
-  return result;
-}
-
-
-/* Return any pending signal or wait for one for the given time.  */
-int
-__sigwaitinfo (const sigset_t *set, siginfo_t *info)
-{
-  if (SINGLE_THREAD_P)
-    return do_sigwaitinfo (set, info);
-
-  int oldtype = LIBC_CANCEL_ASYNC ();
-
-  /* XXX The size argument hopefully will have to be changed to the
-     real size of the user-level sigset_t.  */
-  int result = do_sigwaitinfo (set, info);
-
-  LIBC_CANCEL_RESET (oldtype);
-
-  return result;
-}
-weak_alias (__sigwaitinfo, sigwaitinfo)
-#endif
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sleep.c b/libpthread/nptl/sysdeps/unix/sysv/linux/sleep.c
deleted file mode 100644
index 9e948adce..000000000
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/sleep.c
+++ /dev/null
@@ -1,2 +0,0 @@
-#include <pthreadP.h>
-#include <../../../../../../libc/unistd/sleep.c>
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/waitpid.S b/libpthread/nptl/sysdeps/unix/sysv/linux/waitpid.S
deleted file mode 100644
index 52abb27f0..000000000
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/waitpid.S
+++ /dev/null
@@ -1,23 +0,0 @@
-#include <sysdep-cancel.h>
-
-#ifndef __NR_waitpid
-#error Makefile error: No NR_waitpid on this arch
-#endif
-
-/*
-extern pid_t __waitpid_nocancel (pid_t, int *, int) attribute_hidden;
-*/
-#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
-
-
-PSEUDO (__waitpid, waitpid, 3)
-ret
-PSEUDO_END(__waitpid)
-
-libc_hidden_def (__waitpid)
-weak_alias (__waitpid, waitpid)
-libc_hidden_weak (waitpid)
-weak_alias (__waitpid, __libc_waitpid)
-libc_hidden_weak (__libc_waitpid)
-
-#endif
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/write.S b/libpthread/nptl/sysdeps/unix/sysv/linux/write.S
deleted file mode 100644
index 43de3320d..000000000
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/write.S
+++ /dev/null
@@ -1,19 +0,0 @@
-#include <sysdep-cancel.h>
-
-/*
-extern int __write_nocancel (int, const void *, size_t) attribute_hidden;
-*/
-#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
-
-PSEUDO (__libc_write, write, 3)
-ret
-PSEUDO_END(__libc_write)
-
-libc_hidden_def (__write_nocancel)
-libc_hidden_def (__libc_write)
-weak_alias (__libc_write, __write)
-libc_hidden_weak (__write)
-weak_alias (__libc_write, write)
-libc_hidden_weak (write)
-
-#endif