Remove the libkse directory. It was unhooked from the build and kernel

support removed in 2008 (prior to 8.0).

Approved by:	deischen, imp
MFC after:	3 days

1 files changed, 0 insertions, 126 deletions

diff --git a/lib/libkse/thread/thr_sigaction.c b/lib/libkse/thread/thr_sigaction.c
deleted file mode 100644
index dda1c35..0000000
--- a/lib/libkse/thread/thr_sigaction.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of any co-contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-#include "namespace.h"
-#include <signal.h>
-#include <errno.h>
-#include <pthread.h>
-#include "un-namespace.h"
-#include "thr_private.h"
-
-__weak_reference(_sigaction, sigaction);
-
-int
-_sigaction(int sig, const struct sigaction * act, struct sigaction * oact)
-{
-	int ret = 0;
-	int err = 0;
-	struct sigaction newact, oldact;
-	struct pthread *curthread;
-	kse_critical_t crit;
-
-	/* Check if the signal number is out of range: */
-	if (sig < 1 || sig > _SIG_MAXSIG) {
-		/* Return an invalid argument: */
-		errno = EINVAL;
-		ret = -1;
-	} else {
-		if (act)
-			newact = *act;
-
-		crit = _kse_critical_enter();
-		curthread = _get_curthread();
-		KSE_LOCK_ACQUIRE(curthread->kse, &_thread_signal_lock);
-
-		oldact = _thread_sigact[sig - 1];
-
-		/* Check if a signal action was supplied: */
-		if (act != NULL) {
-			/* Set the new signal handler: */
-			_thread_sigact[sig - 1] = newact;
-		}
-
-		/*
-		 * Check if the kernel needs to be advised of a change
-		 * in signal action:
-		 */
-		if (act != NULL) {
-
-			newact.sa_flags |= SA_SIGINFO;
-
-			/*
-			 * Check if the signal handler is being set to
-			 * the default or ignore handlers:
-			 */
-			if (newact.sa_handler != SIG_DFL &&
-			    newact.sa_handler != SIG_IGN) {
-				/*
-				 * Specify the thread kernel signal
-				 * handler:
-				 */
-				newact.sa_sigaction = _thr_sig_handler;
-			}
-			/*
-			 * Install libpthread signal handler wrapper
-			 * for SIGINFO signal if threads dump enabled
-			 * even if a user set the signal handler to
-			 * SIG_DFL or SIG_IGN.
-			 */
-			if (sig == SIGINFO && _thr_dump_enabled()) {
-				newact.sa_sigaction = _thr_sig_handler;
-			}
-			/* Change the signal action in the kernel: */
-			if (__sys_sigaction(sig, &newact, NULL) != 0) {
-				_thread_sigact[sig - 1] = oldact;
-				/* errno is in kse, will copy it to thread */
-				err = errno;
-				ret = -1;
-			}
-		}
-		KSE_LOCK_RELEASE(curthread->kse, &_thread_signal_lock);
-		_kse_critical_leave(crit);
-		/*
-		 * Check if the existing signal action structure contents are
-		 * to be returned: 
-		*/
-		if (oact != NULL) {
-			/* Return the existing signal action contents: */
-			*oact = oldact;
-		}
-		if (ret != 0) {
-			/* Return errno to thread */
-			errno = err;
-		}
-	}
-
-	/* Return the completion status: */
-	return (ret);
-}