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Atomic64 not available on all architectures.
Use AtomicWord instead.
Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>
diff -Nuar gperftools-2.0.orig/src/base/spinlock_internal.cc gperftools-2.0/src/base/spinlock_internal.cc
--- gperftools-2.0.orig/src/base/spinlock_internal.cc 2012-02-02 21:36:23.000000000 +0000
+++ gperftools-2.0/src/base/spinlock_internal.cc 2013-01-20 23:44:01.629077919 +0000
@@ -80,7 +80,7 @@
static int SuggestedDelayNS(int loop) {
// Weak pseudo-random number generator to get some spread between threads
// when many are spinning.
- static base::subtle::Atomic64 rand;
+ static AtomicWord rand;
uint64 r = base::subtle::NoBarrier_Load(&rand);
r = 0x5deece66dLL * r + 0xb; // numbers from nrand48()
base::subtle::NoBarrier_Store(&rand, r);
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