From 52e6164443782187e17e22f7ccddd0d9a25006e4 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Sun, 1 May 2005 18:40:01 +0000
Subject: OpenBSD support.

---
 include/libc.h | 6 +++++-
 include/u.h    | 5 ++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

(limited to 'include')

diff --git a/include/libc.h b/include/libc.h
index ac8ffa9d..88382c15 100644
--- a/include/libc.h
+++ b/include/libc.h
@@ -638,7 +638,7 @@ extern	void		freenetconninfo(NetConnInfo*);
 #define DMWRITE		0x2		/* mode bit for write permission */
 #define DMEXEC		0x1		/* mode bit for execute permission */
 
-#if defined(__FreeBSD__)
+#ifdef RFMEM	/* FreeBSD, OpenBSD */
 #undef RFFDG
 #undef RFNOTEG
 #undef RFPROC
@@ -832,6 +832,10 @@ extern	int	post9pservice(int, char*);
 #	endif
 #endif
 
+#ifdef __OpenBSD__
+#define sched_yield()	syscall(302)	/* what is this? */
+#endif
+
 /* command line */
 extern char	*argv0;
 extern void __fixargv0(void);
diff --git a/include/u.h b/include/u.h
index 84cd78d0..ccadff00 100644
--- a/include/u.h
+++ b/include/u.h
@@ -81,7 +81,10 @@ typedef long p9jmp_buf[sizeof(sigjmp_buf)/sizeof(long)];
 #	undef _NEEDUSHORT
 #	undef _NEEDUINT
 #	undef _NEEDULONG
-#	undef PLAN9PORT_USING_PTHREADS
+#elif defined(__OpenBSD__)
+#	undef _NEEDUSHORT
+#	undef _NEEDUINT
+#	undef _NEEDULONG
 #else
 	/* No idea what system this is -- try some defaults */
 #	include <pthread.h>
-- 
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