nicer error messages on misconfiguration

[simgrid.git] / src / s4u / s4u_mailbox.cpp

diff --git a/src/s4u/s4u_mailbox.cpp b/src/s4u/s4u_mailbox.cpp
index b29cfcd..b53d652 100644 (file)
--- a/src/s4u/s4u_mailbox.cpp
+++ b/src/s4u/s4u_mailbox.cpp
@@ -73,7 +73,7 @@ CommPtr Mailbox::put_init()
   res->mailbox_ = this;
   return res;
 }
-s4u::CommPtr Mailbox::put_init(void* data, int simulatedSize)
+s4u::CommPtr Mailbox::put_init(void* data, uint64_t simulatedSize)
 {
   s4u::CommPtr res = put_init();
   res->setRemains(simulatedSize);
@@ -81,22 +81,28 @@ s4u::CommPtr Mailbox::put_init(void* data, int simulatedSize)
   res->srcBuffSize_ = sizeof(void*);
   return res;
 }
-s4u::CommPtr Mailbox::put_async(void* data, int simulatedSize)
+s4u::CommPtr Mailbox::put_async(void* payload, uint64_t simulatedSize)
 {
-  s4u::CommPtr res = put_init(data, simulatedSize);
+  xbt_assert(payload != nullptr, "You cannot send nullptr");
+
+  s4u::CommPtr res = put_init(payload, simulatedSize);
   res->start();
   return res;
 }
-void Mailbox::put(void* payload, double simulatedSize)
+void Mailbox::put(void* payload, uint64_t simulatedSize)
 {
+  xbt_assert(payload != nullptr, "You cannot send nullptr");
+
   CommPtr c = put_init();
   c->setRemains(simulatedSize);
   c->setSrcData(payload);
   c->wait();
 }
 /** Blocking send with timeout */
-void Mailbox::put(void* payload, double simulatedSize, double timeout)
+void Mailbox::put(void* payload, uint64_t simulatedSize, double timeout)
 {
+  xbt_assert(payload != nullptr, "You cannot send nullptr");
+
   CommPtr c = put_init();
   c->setRemains(simulatedSize);
   c->setSrcData(payload);