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[mc] Move mc_global stuff into LivenessChecker
[simgrid.git] / src / mc / Process.hpp
index 150f7d1..7f4127e 100644 (file)
@@ -13,6 +13,7 @@
 #include <type_traits>
 #include <vector>
 #include <memory>
+#include <string>
 
 #include <sys/types.h>
 
@@ -32,6 +33,7 @@
 
 #include "src/mc/mc_forward.hpp"
 #include "src/mc/mc_base.h"
+#include "src/mc/RemotePtr.hpp"
 #include "src/mc/AddressSpace.hpp"
 #include "src/mc/mc_protocol.h"
 #include "src/mc/ObjectInformation.hpp"
@@ -43,7 +45,7 @@ namespace mc {
 class SimixProcessInformation {
 public:
   /** MCed address of the process */
-  void* address = nullptr;
+  RemotePtr<s_smx_process_t> address = nullptr;
   union {
     /** (Flat) Copy of the process data structure */
     struct s_smx_process copy;
@@ -74,8 +76,8 @@ struct IgnoredHeapRegion {
 
 /** Representation of a process
  *
- *  This class is mixing a lot of differents responsabilities and is tied
- *  to SIMIX. It should probably split into different classes.
+ *  This class is mixing a lot of different responsabilities and is tied
+ *  to SIMIX. It should probably be split into different classes.
  *
  *  Responsabilities:
  *
@@ -118,7 +120,7 @@ public:
     read_variable(name, &res, sizeof(T));
     return res;
   }
-  char* read_string(RemotePtr<void> address) const;
+  std::string read_string(RemotePtr<void> address) const;
 
   // Write memory:
   void write_bytes(const void* buffer, size_t len, RemotePtr<void> address);
@@ -216,6 +218,34 @@ public:
   std::vector<simgrid::mc::SimixProcessInformation>& simix_processes();
   std::vector<simgrid::mc::SimixProcessInformation>& old_simix_processes();
 
+  /** Get a local description of a remote SIMIX process */
+  simgrid::mc::SimixProcessInformation* resolveProcessInfo(
+    simgrid::mc::RemotePtr<s_smx_process_t> process)
+  {
+    xbt_assert(mc_mode == MC_MODE_SERVER);
+    if (!process)
+      return nullptr;
+    this->refresh_simix();
+    for (auto& process_info : this->smx_process_infos)
+      if (process_info.address == process)
+        return &process_info;
+    for (auto& process_info : this->smx_old_process_infos)
+      if (process_info.address == process)
+        return &process_info;
+    return nullptr;
+  }
+
+  /** Get a local copy of the SIMIX process structure */
+  smx_process_t resolveProcess(simgrid::mc::RemotePtr<s_smx_process_t> process)
+  {
+    simgrid::mc::SimixProcessInformation* process_info =
+      this->resolveProcessInfo(process);
+    if (process_info)
+      return &process_info->copy;
+    else
+      return nullptr;
+  }
+
   void dumpStack();
 
 private: