From ca278718335da1ed4af28e199e5459b0a6fadd2a Mon Sep 17 00:00:00 2001
From: davidxu <davidxu@FreeBSD.org>
Date: Fri, 15 Dec 2006 11:52:01 +0000
Subject: - Remove variable _thr_scope_system, all threads are system scope. -
 Rename _thr_smp_cpus to boolean variable _thr_is_smp. - Define CPU_SPINWAIT
 macro for each arch, only X86 supports it.

---
 lib/libthr/arch/amd64/include/pthread_md.h   | 3 ++-
 lib/libthr/arch/arm/include/pthread_md.h     | 1 +
 lib/libthr/arch/i386/include/pthread_md.h    | 2 ++
 lib/libthr/arch/ia64/include/pthread_md.h    | 2 ++
 lib/libthr/arch/powerpc/include/pthread_md.h | 2 ++
 lib/libthr/arch/sparc64/include/pthread_md.h | 2 ++
 6 files changed, 11 insertions(+), 1 deletion(-)

(limited to 'lib/libthr/arch')

diff --git a/lib/libthr/arch/amd64/include/pthread_md.h b/lib/libthr/arch/amd64/include/pthread_md.h
index 30f63ca..6814cac 100644
--- a/lib/libthr/arch/amd64/include/pthread_md.h
+++ b/lib/libthr/arch/amd64/include/pthread_md.h
@@ -36,7 +36,8 @@
 #include <stddef.h>
 #include <sys/types.h>
 #include <machine/sysarch.h>
-#include <ucontext.h>
+
+#define	CPU_SPINWAIT		__asm __volatile("pause")
 
 #define	DTV_OFFSET		offsetof(struct tcb, tcb_dtv)
 
diff --git a/lib/libthr/arch/arm/include/pthread_md.h b/lib/libthr/arch/arm/include/pthread_md.h
index 30f9f86..0164da6 100644
--- a/lib/libthr/arch/arm/include/pthread_md.h
+++ b/lib/libthr/arch/arm/include/pthread_md.h
@@ -36,6 +36,7 @@
 #include <machine/sysarch.h>
 #include <stddef.h>
 
+#define	CPU_SPINWAIT
 #define	DTV_OFFSET		offsetof(struct tcb, tcb_dtv)
 
 /*
diff --git a/lib/libthr/arch/i386/include/pthread_md.h b/lib/libthr/arch/i386/include/pthread_md.h
index 4140b9c..1f629e1 100644
--- a/lib/libthr/arch/i386/include/pthread_md.h
+++ b/lib/libthr/arch/i386/include/pthread_md.h
@@ -37,6 +37,8 @@
 #include <sys/types.h>
 #include <machine/sysarch.h>
 
+#define	CPU_SPINWAIT		__asm __volatile("pause")
+
 #define	DTV_OFFSET		offsetof(struct tcb, tcb_dtv)
 
 /*
diff --git a/lib/libthr/arch/ia64/include/pthread_md.h b/lib/libthr/arch/ia64/include/pthread_md.h
index eff38bb..0cff7c9 100644
--- a/lib/libthr/arch/ia64/include/pthread_md.h
+++ b/lib/libthr/arch/ia64/include/pthread_md.h
@@ -31,6 +31,8 @@
 
 #include <stddef.h>
 
+#define	CPU_SPINWAIT
+
 #define	DTV_OFFSET		offsetof(struct tcb, tcb_dtv)
 
 /*
diff --git a/lib/libthr/arch/powerpc/include/pthread_md.h b/lib/libthr/arch/powerpc/include/pthread_md.h
index e8ca8b3..2abbbdc 100644
--- a/lib/libthr/arch/powerpc/include/pthread_md.h
+++ b/lib/libthr/arch/powerpc/include/pthread_md.h
@@ -36,6 +36,8 @@
 #include <stddef.h>
 #include <sys/types.h>
 
+#define	CPU_SPINWAIT
+
 #define	DTV_OFFSET		offsetof(struct tcb, tcb_dtv)
 #define	TP_OFFSET		0x7008
 
diff --git a/lib/libthr/arch/sparc64/include/pthread_md.h b/lib/libthr/arch/sparc64/include/pthread_md.h
index 054c2be..8bfa5f4 100644
--- a/lib/libthr/arch/sparc64/include/pthread_md.h
+++ b/lib/libthr/arch/sparc64/include/pthread_md.h
@@ -35,6 +35,8 @@
 
 #include <stddef.h>
 
+#define	CPU_SPINWAIT
+
 #define	DTV_OFFSET		offsetof(struct tcb, tcb_dtv)
 
 /*
-- 
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