patch-2.2.11 linux/include/asm-i386/atomic.h

• Lines: 18
• Date: Mon Aug 9 12:04:41 1999
• Orig file: v2.2.10/linux/include/asm-i386/atomic.h
• Orig date: Tue May 11 10:35:42 1999

diff -u --recursive --new-file v2.2.10/linux/include/asm-i386/atomic.h linux/include/asm-i386/atomic.h
@@ -73,6 +73,17 @@
 	return c != 0;
 }
 
+extern __inline__ int atomic_inc_and_test_greater_zero(volatile atomic_t *v)
+{
+	unsigned char c;
+
+	__asm__ __volatile__(
+		LOCK "incl %0; setg %1"
+		:"=m" (__atomic_fool_gcc(v)), "=qm" (c)
+		:"m" (__atomic_fool_gcc(v)));
+	return c; /* can be only 0 or 1 */
+}
+
 /* These are x86-specific, used by some header files */
 #define atomic_clear_mask(mask, addr) \
 __asm__ __volatile__(LOCK "andl %0,%1" \