Put stdout in line buffer mode for MCed apps.

[simgrid.git] / src / mc / remote / AppSide.cpp

diff --git a/src/mc/remote/AppSide.cpp b/src/mc/remote/AppSide.cpp
index ffb068d..d27c534 100644 (file)
--- a/src/mc/remote/AppSide.cpp
+++ b/src/mc/remote/AppSide.cpp
@@ -43,6 +43,8 @@ AppSide* AppSide::initialize()
 
   _sg_do_model_check = 1;
 
+  setvbuf(stdout, NULL, _IOLBF, 0);
+
   // Fetch socket from MC_ENV_SOCKET_FD:
   const char* fd_env = std::getenv(MC_ENV_SOCKET_FD);
   int fd = xbt_str_parse_int(fd_env, "Variable '" MC_ENV_SOCKET_FD "' should contain a number but contains '%s'");
@@ -204,6 +206,7 @@ void AppSide::handle_messages() const
         coverage_checkpoint();
         xbt_assert(channel_.send(MessageType::DEADLOCK_CHECK_REPLY) == 0, // DEADLOCK_CHECK_REPLY, really?
                    "Could not answer to FINALIZE");
+        std::fflush(stdout);
         if (terminate_asap)
           ::_Exit(0);
         break;