- /* Copyright (c) 2015. The SimGrid Team.
+/* Copyright (c) 2015. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/wait.h>
+
+#ifdef __linux__
#include <sys/prctl.h>
+#endif
#include <xbt/log.h>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_main, mc, "Entry point for simgrid-mc");
-static const bool trace = true;
-
static int do_child(int socket, char** argv)
{
XBT_DEBUG("Inside the child process PID=%i", (int) getpid());
+
+#ifdef __linux__
+ // Make sure we do not outlive our parent:
if (prctl(PR_SET_PDEATHSIG, SIGHUP) != 0) {
std::perror("simgrid-mc");
return MC_SERVER_ERROR;
}
+#endif
+
int res;
// Remove CLOEXEC in order to pass the socket to the exec-ed program:
// Set environment:
setenv(MC_ENV_VARIABLE, "1", 1);
+ // Disable lazy relocation in the model-ched process.
+ // We don't want the model-checked process to modify its .got.plt during
+ // snapshot.
+ setenv("LC_BIND_NOW", "1", 1);
+
char buffer[64];
res = std::snprintf(buffer, sizeof(buffer), "%i", socket);
if ((size_t) res >= sizeof(buffer) || res == -1)