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SubjectRe: [patch 3/5] atomic: atomic_inc_not_zero
On Oct 30, and again on Nov 4, Nick wrote:

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Index: linux-2.6/arch/sparc/lib/atomic32.c
===================================================================
--- linux-2.6.orig/arch/sparc/lib/atomic32.c
+++ linux-2.6/arch/sparc/lib/atomic32.c
@@ -52,6 +52,20 @@ int atomic_cmpxchg(atomic_t *v, int old,
return ret;
}

+int atomic_add_unless(atomic_t *v, int a, int u)
+{
+ int ret;
+ unsigned long flags;
+ spin_lock_irqsave(ATOMIC_HASH(v), flags);
+ ret = v->counter;
+ if (ret != u)
+ v->counter += a;
+ spin_unlock_irqrestore(ATOMIC_HASH(v), flags);
+ return ret != u;
+}
+
+static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
+/* Atomic operations are already serializing */
void atomic_set(atomic_t *v, int i)
{
unsigned long flags;
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Whatever is the meaning of that "static inline ..." line, and
is this the cause of my crosstool sparc compile failure:

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
CC arch/sparc/lib/atomic32.o
arch/sparc/lib/atomic32.c: In function `atomic_clear_mask':
arch/sparc/lib/atomic32.c:72: error: parse error before '{' token
arch/sparc/lib/atomic32.c:71: error: parm types given both in parmlist and separately
arch/sparc/lib/atomic32.c:75: error: `flags' undeclared (first use in this function)
arch/sparc/lib/atomic32.c:75: error: (Each undeclared identifier is reported only once
arch/sparc/lib/atomic32.c:75: error: for each function it appears in.)
arch/sparc/lib/atomic32.c: At top level:
arch/sparc/lib/atomic32.c:75: error: parse error before "while"
make[1]: *** [arch/sparc/lib/atomic32.o] Error 1
make: *** [arch/sparc/lib] Error 2
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.925.600.0401
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