X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/037955e458fb05c8ad1a1bdc3509bac0664f87a2..488566dad1ae2b42f26a8e291824ff9b16a976f7:/src/gras/Virtu/rl_process.c diff --git a/src/gras/Virtu/rl_process.c b/src/gras/Virtu/rl_process.c index 7219c9a566..969f97a688 100644 --- a/src/gras/Virtu/rl_process.c +++ b/src/gras/Virtu/rl_process.c @@ -1,48 +1,143 @@ -/* $Id$ */ - /* process_rl - GRAS process handling on real life */ -/* Copyright (c) 2003, 2004 Martin Quinson. All rights reserved. */ +/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. 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. */ -#include "gras_modinter.h" /* module initialization interface */ +#include "gras_modinter.h" /* module initialization interface */ #include "gras/Virtu/virtu_rl.h" #include "portable.h" +#include "xbt/xbt_os_thread.h" + +XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(gras_virtu_process); /* globals */ static gras_procdata_t *_gras_procdata = NULL; -XBT_PUBLIC_DATA(char const *) _gras_procname = NULL; +XBT_EXPORT_NO_IMPORT(char const *) _gras_procname = NULL; +static xbt_dict_t _process_properties = NULL; +static xbt_dict_t _host_properties = NULL; + +# ifdef __APPLE__ + /* under darwin, the environment gets added to the process at startup time. So, it's not defined at library link time, forcing us to extra tricks */ +# include +# define environ (*_NSGetEnviron()) +# else +#ifdef _XBT_WIN32 + /* the environment, as specified by the opengroup, used to initialize the process properties */ +extern char **wenviron; +#else +extern char **environ; +#endif +# endif -void gras_process_init() { - _gras_procdata=xbt_new0(gras_procdata_t,1); +void gras_process_init() +{ + char **env_iter; + _gras_procdata = xbt_new0(gras_procdata_t, 1); gras_procdata_init(); + + /* initialize the host & process properties */ + _host_properties = xbt_dict_new(); + _process_properties = xbt_dict_new(); + env_iter = environ; + while (*env_iter) { + char *equal, *buf = xbt_strdup(*env_iter); + equal = strchr(buf, '='); + if (!equal) { + WARN1 + ("The environment contains an entry without '=' char: %s (ignore it)", + *env_iter); + continue; + } + *equal = '\0'; + xbt_dict_set(_process_properties, buf, xbt_strdup(equal + 1), + xbt_free_f); + free(buf); + env_iter++; + } } -void gras_process_exit() { + +void gras_process_exit() +{ gras_procdata_exit(); free(_gras_procdata); + xbt_dict_free(&_process_properties); } -const char *xbt_procname(void) { - if(_gras_procname) return _gras_procname; - else return ""; +const char *xbt_procname(void) +{ + if (_gras_procname) + return _gras_procname; + else + return ""; } -int gras_os_getpid(void) { - #ifdef _WIN32 - return (long int) GetCurrentProcess(); - #else - return (long int) getpid(); - #endif +int gras_os_getpid(void) +{ +#ifdef _XBT_WIN32 + return (long int) GetCurrentProcessId(); +#else + return (long int) getpid(); +#endif } /* ************************************************************************** * Process data * **************************************************************************/ -gras_procdata_t *gras_procdata_get(void) { - xbt_assert0(_gras_procdata,"Run gras_process_init (ie, gras_init)!"); +gras_procdata_t *gras_procdata_get(void) +{ + xbt_assert0(_gras_procdata, "Run gras_process_init (ie, gras_init)!"); return _gras_procdata; } + +typedef struct { + xbt_main_func_t code; + int argc; + char **argv; +} spawner_wrapper_args; + +static void *spawner_wrapper(void *data) { + spawner_wrapper_args *a = data; + (*(a->code))(a->argc,a->argv); + free(a); + return NULL; +} + +void gras_agent_spawn(const char *name, + xbt_main_func_t code, int argc, char *argv[], + xbt_dict_t properties) +{ + spawner_wrapper_args *args =malloc(sizeof(spawner_wrapper_args)); + args->argc=argc; + args->argv=argv; + args->code=code; + xbt_os_thread_create(name,spawner_wrapper,args); +} + +/* ************************************************************************** + * Properties + * **************************************************************************/ + +const char *gras_process_property_value(const char *name) +{ + return xbt_dict_get_or_null(_process_properties, name); +} + +xbt_dict_t gras_process_properties(void) +{ + return _process_properties; +} + +const char *gras_os_host_property_value(const char *name) +{ + return xbt_dict_get_or_null(_host_properties, name); +} + +xbt_dict_t gras_os_host_properties(void) +{ + return _host_properties; +}