1 /* gras/virtu.h - public interface to virtualization (cross-OS portability) */
3 /* Copyright (c) 2004, 2005, 2006, 2007, 2009, 2010. The SimGrid Team.
4 * All rights reserved. */
6 /* This program is free software; you can redistribute it and/or modify it
7 * under the terms of the license (GNU LGPL) which comes with this package. */
12 #include "xbt/misc.h" /* SG_BEGIN_DECL */
18 /* Initialization of the simulation world. Do not call them in RL.
19 Indeed, do not call them at all. Let gras_stub_generator do it for you. */
20 void gras_global_init(int *argc, char **argv);
21 void gras_create_environment(const char *file);
22 void gras_function_register(const char *name, xbt_main_func_t code);
23 void gras_launch_application(const char *file);
24 void gras_clean(void);
28 /** @addtogroup GRAS_virtu
29 * @brief System call abstraction layer.
35 /** @brief Get the current time
36 * @return number of second since the Epoch.
37 * (00:00:00 UTC, January 1, 1970 in Real Life, and begining of simulation in SG)
39 #define gras_os_time() xbt_time()
40 /** @brief sleeps for the given amount of time.
41 * @param sec: number of seconds to sleep
43 #define gras_os_sleep(sec) xbt_sleep(sec)
44 /** @brief get the fully-qualified name of the current host
46 * Returns the fully-qualified name of the host machine, or "localhost" if the name
47 * cannot be determined. Always returns the same value, so multiple calls
50 XBT_PUBLIC(const char *) gras_os_myname(void);
52 /** @brief returns the number on which this process is listening for incoming messages */
53 XBT_PUBLIC(int) gras_os_myport(void);
55 /** @brief get the uri of the current process
57 * Returns the concatenation of gras_os_myname():gras_os_myport(). Please do not free the result.
59 XBT_PUBLIC(const char *) gras_os_hostport(void);
61 /** @brief get process identification
63 * Returns the process ID of the current process. (This is often used
64 by routines that generate unique temporary file names.)
66 XBT_PUBLIC(int) gras_os_getpid(void);
69 /* Properties related */
70 XBT_PUBLIC(xbt_dict_t) gras_process_properties(void);
71 XBT_PUBLIC(const char *) gras_process_property_value(const char *name);
73 XBT_PUBLIC(xbt_dict_t) gras_os_host_properties(void);
74 XBT_PUBLIC(const char *) gras_os_host_property_value(const char *name);
78 #endif /* GRAS_VIRTU_H */