-/* $Id$ */
-
/* 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/Virtu/virtu_rl.h"
+#include "portable.h"
+#include "xbt/xbt_os_thread.h"
-XBT_LOG_EXTERNAL_CATEGORY(process);
-XBT_LOG_DEFAULT_CATEGORY(process);
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(gras_virtu_process);
/* globals */
static gras_procdata_t *_gras_procdata = 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 <crt_externs.h>
+# 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
-xbt_error_t gras_process_init() {
- _gras_procdata=xbt_new(gras_procdata_t,1);
+void gras_process_init()
+{
+ char **env_iter;
+ _gras_procdata = xbt_new0(gras_procdata_t, 1);
gras_procdata_init();
- return no_error;
+
+ /* initialize the host & process properties */
+ _host_properties = xbt_dict_new_homogeneous(xbt_free_f);
+ _process_properties = xbt_dict_new_homogeneous(xbt_free_f);
+ env_iter = environ;
+ while (*env_iter) {
+ char *equal, *buf = xbt_strdup(*env_iter);
+ equal = strchr(buf, '=');
+ if (!equal) {
+ XBT_WARN
+ ("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), NULL);
+ free(buf);
+ env_iter++;
+ }
}
-xbt_error_t gras_process_exit() {
+
+void gras_process_exit()
+{
gras_procdata_exit();
- return no_error;
+ free(_gras_procdata);
+ xbt_dict_free(&_process_properties);
+ xbt_dict_free(&_host_properties);
+}
+
+const char *xbt_procname(void)
+{
+ if (_gras_procname)
+ return _gras_procname;
+ else
+ return "";
+}
+
+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!");
+gras_procdata_t *gras_procdata_get(void)
+{
+ xbt_assert(_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, NULL);
+}
+
+/* **************************************************************************
+ * 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;
+}