patch-1.3.84 linux/include/asm-i386/atomic.h

• Lines: 16
• Date: Thu Apr 4 13:04:45 1996
• Orig file: v1.3.83/linux/include/asm-i386/atomic.h
• Orig date: Wed Mar 20 14:38:42 1996

diff -u --recursive --new-file v1.3.83/linux/include/asm-i386/atomic.h linux/include/asm-i386/atomic.h
@@ -53,4 +53,15 @@
 		:"m" (__atomic_fool_gcc(v)));
 }
 
+static __inline__ int atomic_dec_and_test(atomic_t *v)
+{
+	unsigned char c;
+
+	__asm__ __volatile__(
+		LOCK "decl %0; sete %1"
+		:"=m" (__atomic_fool_gcc(v)), "=qm" (c)
+		:"m" (__atomic_fool_gcc(v)));
+	return c != 0;
+}
+
 #endif