[mc] Do not clobber CMAKE_C_FLAGS and friends

[simgrid.git] / include / xbt / xbt_os_thread.h

diff --git a/include/xbt/xbt_os_thread.h b/include/xbt/xbt_os_thread.h
index 31e5840..ebf1b6f 100644 (file)
--- a/include/xbt/xbt_os_thread.h
+++ b/include/xbt/xbt_os_thread.h
@@ -1,6 +1,7 @@
 /* xbt/xbt_os_thread.h -- Thread portability layer                          */
 
-/* Copyright (c) 2007-2012. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2007-2014. 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. */
@@ -33,8 +34,11 @@ typedef DWORD xbt_os_thread_key_t;
 typedef pthread_key_t xbt_os_thread_key_t;
 #endif
 
-/* Calls pthread_atfork() if present, and else does nothing.
- * The only known user of this wrapper is mmalloc_preinit(); This function may disapear in the near future.
+/** Calls pthread_atfork() if present, and raise an exception otherwise.
+ *
+ * The only known user of this wrapper is mmalloc_preinit(), but it is absolutely mandatory there:
+ * when used with tesh, mmalloc *must* be mutex protected and resistant to forks.
+ * This functionality is the only way to get it working (by ensuring that the mutex is consistently released on forks)
  */
 XBT_PUBLIC(int) xbt_os_thread_atfork(void (*prepare)(void),
                                      void (*parent)(void),
@@ -47,6 +51,11 @@ XBT_PUBLIC(xbt_os_thread_t) xbt_os_thread_create(const char *name,
                                                  void *param,
                                                  void *data);
 
+//#define CORE_BINDING  //Uncomment this to enable binding of threads to physical cores. Only Linux.
+#ifdef CORE_BINDING
+XBT_PUBLIC(int) xbt_os_thread_bind(xbt_os_thread_t thread, int cpu);
+#endif
+
 XBT_PUBLIC(void) xbt_os_thread_exit(int *retcode);
 XBT_PUBLIC(void) xbt_os_thread_detach(xbt_os_thread_t thread);
 XBT_PUBLIC(xbt_os_thread_t) xbt_os_thread_self(void);
@@ -63,7 +72,8 @@ XBT_PUBLIC(void) xbt_os_thread_join(xbt_os_thread_t thread,
 XBT_PUBLIC(void) xbt_os_thread_yield(void);
 XBT_PUBLIC(void) xbt_os_thread_cancel(xbt_os_thread_t thread);
 XBT_PUBLIC(void *) xbt_os_thread_getparam(void);
-
+XBT_PUBLIC(void) xbt_os_thread_setstacksize(int stack_size);
+XBT_PUBLIC(void) xbt_os_thread_setguardsize(int guard_size);
 
   /** \brief Thread mutex data type (opaque structure) */
 typedef struct xbt_os_mutex_ *xbt_os_mutex_t;