#include "xbt/log.h"
#include "xbt/swag.h"
#include "private.h"
+#include "simix/smx_context_private.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_context, simix,
"Context switching mecanism");
-const char *xbt_ctx_factory_to_use = NULL;
-typedef void (*SIMIX_ctx_factory_initializer_t)(smx_context_factory_t *);
SIMIX_ctx_factory_initializer_t factory_initializer_to_use = NULL;
/**
(*finalize_factory) (&simix_global->context_factory);
}
}
-
-/**
- * This function is used to change the context factory.
- * Warning: it destroy all the existing processes (even for maestro), and it
- * will create a new maestro process using the new context factory.
- */
-int SIMIX_context_select_factory(const char *name)
-{
- /* if a context factory is already instantiated and it is different from the
- newly selected one, then kill all the processes, exit the context module
- and initialize the new factory.
- */
-
-
- if (simix_global->context_factory != NULL) {
- if (strcmp(simix_global->context_factory->name, name)) {
-
- SIMIX_process_killall();
-
- /* kill maestro process */
- SIMIX_context_free(simix_global->maestro_process->context);
- free(simix_global->maestro_process);
- simix_global->maestro_process = NULL;
-
- SIMIX_context_mod_exit();
- } else
- /* the same context factory is requested return directly */
- return 0;
- }
-
- /* init the desired factory */
- smx_context_factory_t * factory = &simix_global->context_factory;
- if (!strcmp(name, "thread"))
-#ifdef CONTEXT_THREADS
- SIMIX_ctx_thread_factory_init(factory);
-#else
- THROW0(not_found_error, 0,
- "Factory 'thread' does not exist: thread support was not compiled in the SimGrid library");
-#endif /* CONTEXT_THREADS */
-
- else if (!strcmp(name, "sysv"))
-#if !defined(_XBT_WIN32) && !defined(CONTEXT_THREADS)
- SIMIX_ctx_sysv_factory_init(factory);
-#else
- THROW0(not_found_error, 0,
- "Factory 'sysv' does not exist: no System V thread support under Windows");
-#endif
-
- else
- THROW1(not_found_error, 0, "Factory '%s' does not exist", name);
-
-
-
-
- SIMIX_create_maestro_process();
-
- return 0;
-}
-
