[mc] Basic infrastructure for a real model-checker process

[simgrid.git] / src / mc / mc_server.h

diff --git a/src/mc/mc_server.h b/src/mc/mc_server.h
new file mode 100644 (file)
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+++ b/src/mc/mc_server.h
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+/* Copyright (c) 2015. The SimGrid Team.
+ * All rights reserved.                                                     */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#ifndef MC_SERVER_H
+#define MC_SERVER_H
+
+#include <xbt/misc.h>
+
+SG_BEGIN_DECL()
+
+#define MC_SERVER_ERROR 127
+
+typedef struct s_mc_server s_mc_server_t, *mc_server_t;
+
+extern mc_server_t mc_server;
+
+/** Initialise MC server
+ *
+ * @param  PID of the model-checked process
+ * @param socket file descriptor for communication with the model-checked process
+ * @return 0 on success
+ */
+int MC_server_init(pid_t pid, int socket);
+
+/** Execute the MC server
+ *
+ *  @return Status code (can be used with `exit()`)
+ */
+void MC_server_run(void);
+
+SG_END_DECL()
+
+#ifdef __cplusplus
+
+struct s_mc_server {
+private:
+  pid_t pid;
+  int socket;
+  struct pollfd fds[2];
+public:
+  s_mc_server(pid_t pid, int socket);
+  void start();
+  void shutdown();
+  void exit();
+  void resume(mc_process_t process);
+  void loop();
+  void handle_events();
+protected:
+  void handle_signals();
+  void handle_waitpid();
+  void on_signal(const struct signalfd_siginfo* info);
+};
+
+#endif
+
+#endif