1 files changed, 12 insertions, 0 deletions
diff --git a/libc/src/__support/RPC/rpc_util.h b/libc/src/__support/RPC/rpc_util.h
index 349a5317bf4e..224723ef20c9 100644
--- a/libc/src/__support/RPC/rpc_util.h
+++ b/libc/src/__support/RPC/rpc_util.h
@@ -16,6 +16,9 @@
 namespace __llvm_libc {
 namespace rpc {
 
+/// Maximum amount of data a single lane can use.
+constexpr uint64_t MAX_LANE_SIZE = 64;
+
 /// Suspend the thread briefly to assist the thread scheduler during busy loops.
 LIBC_INLINE void sleep_briefly() {
 #if defined(LIBC_TARGET_ARCH_IS_NVPTX) && __CUDA_ARCH__ >= 700
@@ -37,6 +40,15 @@ LIBC_INLINE bool is_first_lane(uint64_t lane_mask) {
   return gpu::get_lane_id() == get_first_lane_id(lane_mask);
 }
 
+/// Conditional to indicate if this process is running on the GPU.
+LIBC_INLINE constexpr bool is_process_gpu() {
+#if defined(LIBC_TARGET_ARCH_IS_GPU)
+  return true;
+#else
+  return false;
+#endif
+}
+
 } // namespace rpc
 } // namespace __llvm_libc