1 files changed, 98 insertions, 0 deletions
diff --git a/lib/libthr/thread/thr_kern.c b/lib/libthr/thread/thr_kern.c
new file mode 100644
index 0000000..aa7dce6
--- /dev/null
+++ b/lib/libthr/thread/thr_kern.c
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2005 David Xu <davidxu@freebsd.org>
+ * Copyright (C) 2003 Daniel M. Eischen <deischen@freebsd.org>
+ * 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 unmodified, 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 <sys/types.h>
+#include <sys/signalvar.h>
+#include <pthread.h>
+
+#include "thr_private.h"
+
+/*#define DEBUG_THREAD_KERN */
+#ifdef DEBUG_THREAD_KERN
+#define DBG_MSG		stdout_debug
+#else
+#define DBG_MSG(x...)
+#endif
+
+/*
+ * This is called when the first thread (other than the initial
+ * thread) is created.
+ */
+int
+_thr_setthreaded(int threaded)
+{
+	if (((threaded == 0) ^ (__isthreaded == 0)) == 0)
+		return (0);
+
+	__isthreaded = threaded;
+	if (threaded != 0) {
+		_thr_rtld_init();
+	} else {
+		_thr_rtld_fini();
+	}
+	return (0);
+}
+
+void
+_thr_signal_block(struct pthread *curthread)
+{
+	sigset_t set;
+	
+	if (curthread->sigblock > 0) {
+		curthread->sigblock++;
+		return;
+	}
+	SIGFILLSET(set);
+	SIGDELSET(set, SIGBUS);
+	SIGDELSET(set, SIGILL);
+	SIGDELSET(set, SIGFPE);
+	SIGDELSET(set, SIGSEGV);
+	SIGDELSET(set, SIGTRAP);
+	__sys_sigprocmask(SIG_BLOCK, &set, &curthread->sigmask);
+	curthread->sigblock++;
+}
+
+void
+_thr_signal_unblock(struct pthread *curthread)
+{
+	if (--curthread->sigblock == 0)
+		__sys_sigprocmask(SIG_SETMASK, &curthread->sigmask, NULL);
+}
+
+int
+_thr_send_sig(struct pthread *thread, int sig)
+{
+	return thr_kill(thread->tid, sig);
+}
+
+void
+_thr_assert_lock_level()
+{
+	PANIC("locklevel <= 0");
+}