patch-2.4.5 linux/include/asm-sparc64/semaphore-helper.h

• Lines: 69
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.4.4/linux/include/asm-sparc64/semaphore-helper.h
• Orig date: Wed Mar 10 16:53:38 1999

diff -u --recursive --new-file v2.4.4/linux/include/asm-sparc64/semaphore-helper.h linux/include/asm-sparc64/semaphore-helper.h
@@ -1,68 +0,0 @@
-#ifndef _SPARC64_SEMAPHORE_HELPER_H
-#define _SPARC64_SEMAPHORE_HELPER_H
-
-/*
- * SMP- and interrupt-safe semaphore helper functions, sparc64 version.
- *
- * (C) Copyright 1999 David S. Miller (davem@redhat.com)
- * (C) Copyright 1999 Jakub Jelinek (jj@ultra.linux.cz)
- */
-#define wake_one_more(__sem)      atomic_inc(&((__sem)->waking));
-#define waking_non_zero(__sem)				\
-({	int __ret;					\
-	__asm__ __volatile__(				\
-"1:	ldsw		[%1], %%g5\n\t"			\
-	"brlez,pt	%%g5, 2f\n\t"			\
-	" mov		0, %0\n\t"			\
-	"sub		%%g5, 1, %%g7\n\t"		\
-	"cas		[%1], %%g5, %%g7\n\t"		\
-	"cmp		%%g5, %%g7\n\t"			\
-	"bne,pn		%%icc, 1b\n\t"			\
-	" mov		1, %0\n"			\
-"2:"	: "=&r" (__ret)					\
-	: "r" (&((__sem)->waking))			\
-	: "g5", "g7", "cc", "memory");			\
-	__ret;						\
-})
-
-#define waking_non_zero_interruptible(__sem, __tsk)	\
-({	int __ret;					\
-	__asm__ __volatile__(				\
-"1:	ldsw		[%1], %%g5\n\t"			\
-	"brlez,pt	%%g5, 2f\n\t"			\
-	" mov		0, %0\n\t"			\
-	"sub		%%g5, 1, %%g7\n\t"		\
-	"cas		[%1], %%g5, %%g7\n\t"		\
-	"cmp		%%g5, %%g7\n\t"			\
-	"bne,pn		%%icc, 1b\n\t"			\
-	" mov		1, %0\n"			\
-"2:"	: "=&r" (__ret)					\
-	: "r" (&((__sem)->waking))			\
-	: "g5", "g7", "cc", "memory");			\
-	if(__ret == 0 && signal_pending(__tsk)) {	\
-		atomic_inc(&((__sem)->count));		\
-		__ret = -EINTR;				\
-	}						\
-	__ret;						\
-})
-
-#define waking_non_zero_trylock(__sem)			\
-({	int __ret;					\
-	__asm__ __volatile__(				\
-"1:	ldsw		[%1], %%g5\n\t"			\
-	"brlez,pt	%%g5, 2f\n\t"			\
-	" mov		1, %0\n\t"			\
-	"sub		%%g5, 1, %%g7\n\t"		\
-	"cas		[%1], %%g5, %%g7\n\t"		\
-	"cmp		%%g5, %%g7\n\t"			\
-	"bne,pn		%%icc, 1b\n\t"			\
-	" mov		0, %0\n"			\
-"2:"	: "=&r" (__ret)					\
-	: "r" (&((__sem)->waking))			\
-	: "g5", "g7", "cc", "memory");			\
-	if(__ret == 1)					\
-		atomic_inc(&((__sem)->count));		\
-	__ret;						\
-})
-
-#endif /* !(_SPARC64_SEMAPHORE_HELPER_H) */