1 files changed, 54 insertions, 0 deletions
diff --git a/lib/libpthread/arch/i386/include/pthread_md.h b/lib/libpthread/arch/i386/include/pthread_md.h
new file mode 100644
index 0000000..ae00759
--- /dev/null
+++ b/lib/libpthread/arch/i386/include/pthread_md.h
@@ -0,0 +1,54 @@
+/*-
+ * Copyright (c) 2002 Daniel 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, 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 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.
+ *
+ * $FreeBSD$
+ */
+/*
+ * Machine-dependent thread prototypes/definitions for the thread kernel.
+ */
+#ifndef _PTHREAD_MD_H_
+#define	_PTHREAD_MD_H_
+
+#include <sys/kse.h>
+#include <setjmp.h>
+#include <ucontext.h>
+
+extern int _thread_enter_uts(struct kse_thr_mailbox *, struct kse_mailbox *);
+extern int _thread_switch(struct kse_thr_mailbox *, struct kse_thr_mailbox **);
+extern int _thr_setcontext(ucontext_t *);
+extern int _thr_getcontext(ucontext_t *);
+
+/*
+ * These are needed to ensure an application doesn't attempt to jump
+ * between stacks of different threads.  They return the stack of
+ * jmp_buf, sigjmp_buf, and ucontext respectively.
+ */
+#define	GET_STACK_JB(jb)	((unsigned long)((jb)[0]._jb[2]))
+#define	GET_STACK_SJB(sjb)	((unsigned long)((sjb)[0]._sjb[2]))
+#define	GET_STACK_UC(ucp)	((unsigned long)((ucp)->uc_mcontext.mc_esp))
+
+#define	THR_GETCONTEXT(ucp)	_thr_getcontext(ucp)
+#define	THR_SETCONTEXT(ucp)	_thr_setcontext(ucp)
+#endif