Use a reference as parameter for signal callbacks.

[simgrid.git] / src / plugins / vm / s4u_VirtualMachine.cpp

diff --git a/src/plugins/vm/s4u_VirtualMachine.cpp b/src/plugins/vm/s4u_VirtualMachine.cpp
index d2c56be..f16253c 100644 (file)
--- a/src/plugins/vm/s4u_VirtualMachine.cpp
+++ b/src/plugins/vm/s4u_VirtualMachine.cpp
@@ -15,21 +15,21 @@ XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_vm, "S4U virtual machines");
 
 namespace simgrid {
 namespace s4u {
-simgrid::xbt::signal<void(VirtualMachine&)> VirtualMachine::on_start;
-simgrid::xbt::signal<void(VirtualMachine&)> VirtualMachine::on_started;
-simgrid::xbt::signal<void(VirtualMachine&)> VirtualMachine::on_shutdown;
-simgrid::xbt::signal<void(VirtualMachine&)> VirtualMachine::on_suspend;
-simgrid::xbt::signal<void(VirtualMachine&)> VirtualMachine::on_resume;
-simgrid::xbt::signal<void(VirtualMachine&)> VirtualMachine::on_migration_start;
-simgrid::xbt::signal<void(VirtualMachine&)> VirtualMachine::on_migration_end;
-
-VirtualMachine::VirtualMachine(std::string name, s4u::Host* physical_host, int core_amount)
-    : VirtualMachine(std::move(name), physical_host, core_amount, 1024)
+simgrid::xbt::signal<void(VirtualMachine const&)> VirtualMachine::on_start;
+simgrid::xbt::signal<void(VirtualMachine const&)> VirtualMachine::on_started;
+simgrid::xbt::signal<void(VirtualMachine const&)> VirtualMachine::on_shutdown;
+simgrid::xbt::signal<void(VirtualMachine const&)> VirtualMachine::on_suspend;
+simgrid::xbt::signal<void(VirtualMachine const&)> VirtualMachine::on_resume;
+simgrid::xbt::signal<void(VirtualMachine const&)> VirtualMachine::on_migration_start;
+simgrid::xbt::signal<void(VirtualMachine const&)> VirtualMachine::on_migration_end;
+
+VirtualMachine::VirtualMachine(const std::string& name, s4u::Host* physical_host, int core_amount)
+    : VirtualMachine(name, physical_host, core_amount, 1024)
 {
 }
 
-VirtualMachine::VirtualMachine(std::string name, s4u::Host* physical_host, int core_amount, size_t ramsize)
-    : Host(std::move(name)), pimpl_vm_(new vm::VirtualMachineImpl(this, physical_host, core_amount, ramsize))
+VirtualMachine::VirtualMachine(const std::string& name, s4u::Host* physical_host, int core_amount, size_t ramsize)
+    : Host(name), pimpl_vm_(new vm::VirtualMachineImpl(this, physical_host, core_amount, ramsize))
 {
   // xbt_assert(s4u::Host::by_name(name) == nullptr,
   //           "Cannot create a VM named %s: this name is already used by a host or a VM", get_cname());