Fix Android/MIPS build.

port/atomic_pointer.h was missing an implementation for MemoryBarrier() for this platform.
sipa · Dec 17, 2014 · ceff6f1 · ceff6f1
1 parent 77948e7
commit ceff6f1
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/port/atomic_pointer.h b/port/atomic_pointer.h
@@ -39,6 +39,8 @@
 #define ARCH_CPU_ARM64_FAMILY 1
 #elif defined(__ppc__) || defined(__powerpc__) || defined(__powerpc64__)
 #define ARCH_CPU_PPC_FAMILY 1
+#elif defined(__mips__)
+#define ARCH_CPU_MIPS_FAMILY 1
 #endif
 
 namespace leveldb {
@@ -110,6 +112,13 @@ inline void MemoryBarrier() {
 }
 #define LEVELDB_HAVE_MEMORY_BARRIER
 
+// MIPS
+#elif defined(ARCH_CPU_MIPS_FAMILY) && defined(__GNUC__)
+inline void MemoryBarrier() {
+  __asm__ __volatile__("sync" : : : "memory");
+}
+#define LEVELDB_HAVE_MEMORY_BARRIER
+
 #endif
 
 // AtomicPointer built using platform-specific MemoryBarrier()