Somewhat redo commit df93dfaab8d79f5e08088aedc95dd2712cef4c70.

[simgrid.git] / include / simgrid / s4u / Io.hpp

diff --git a/include/simgrid/s4u/Io.hpp b/include/simgrid/s4u/Io.hpp
index cb08c3d8f7296c77c1a770903a970a45097dbe48..1e7825bddd8b6b398a5406ae5abf9abfec88c69c 100644 (file)
--- a/include/simgrid/s4u/Io.hpp
+++ b/include/simgrid/s4u/Io.hpp
@@ -20,7 +20,9 @@ namespace s4u {
  */
 
 class XBT_PUBLIC Io : public Activity_T<Io> {
+#ifndef DOXYGEN
   friend kernel::activity::IoImpl;
+#endif
 
 protected:
   explicit Io(kernel::activity::IoImplPtr pimpl);
@@ -37,9 +39,9 @@ public:
   Io* start() override;
   /*! take a vector of s4u::IoPtr and return when one of them is finished.
    * The return value is the rank of the first finished IoPtr. */
-  static int wait_any(std::vector<IoPtr>* ios) { return wait_any_for(ios, -1); }
+  static ssize_t wait_any(const std::vector<IoPtr>& ios) { return wait_any_for(ios, -1); }
   /*! Same as wait_any, but with a timeout. If the timeout occurs, parameter last is returned.*/
-  static int wait_any_for(std::vector<IoPtr>* ios, double timeout);
+  static ssize_t wait_any_for(const std::vector<IoPtr>& ios, double timeout);
 
   double get_remaining() const override;
   sg_size_t get_performed_ioops() const;