X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7a8cd62135619ad52e05ae1c929ef07e166e4260..6024c6e3f15a8061c1e8e82dfb4b9700851a2110:/src/simix/smx_context.c diff --git a/src/simix/smx_context.c b/src/simix/smx_context.c index ba6d03f6aa..c05ef67f63 100644 --- a/src/simix/smx_context.c +++ b/src/simix/smx_context.c @@ -1,6 +1,6 @@ /* a fast and simple context switching library */ -/* Copyright (c) 2009 - 2011. The SimGrid Team. +/* Copyright (c) 2009-2013. The SimGrid Team. * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it @@ -36,6 +36,11 @@ static e_xbt_parmap_mode_t smx_parallel_synchronization_mode = XBT_PARMAP_DEFAUL */ void SIMIX_context_mod_init(void) { +#if defined(CONTEXT_THREADS) && !defined(HAVE_THREAD_LOCAL_STORAGE) + /* the __thread storage class is not available on this platform: + * use getspecific/setspecific instead to store the current context in each thread */ + xbt_os_thread_key_create(&smx_current_context_key); +#endif if (!simix_global->context_factory) { /* select the context factory to use to create the contexts */ if (smx_factory_initializer_to_use) { @@ -43,7 +48,8 @@ void SIMIX_context_mod_init(void) } else { /* use the factory specified by --cfg=contexts/factory:value */ - if (smx_context_factory_name == NULL) { + if (smx_context_factory_name == NULL || + !strcmp(smx_context_factory_name, "default")) { /* use the default factory */ #ifdef HAVE_RAWCTX SIMIX_ctx_raw_factory_init(&simix_global->context_factory); @@ -86,16 +92,10 @@ void SIMIX_context_mod_init(void) } } } - -#if defined(CONTEXT_THREADS) && !defined(HAVE_THREAD_LOCAL_STORAGE) - /* the __thread storage class is not available on this platform: - * use getspecific/setspecific instead to store the current context in each thread */ - xbt_os_thread_key_create(&smx_current_context_key); -#endif } /** - * This function is call by SIMIX_clean() to finalize the context module. + * This function is called by SIMIX_clean() to finalize the context module. */ void SIMIX_context_mod_exit(void) { @@ -138,7 +138,6 @@ XBT_INLINE int SIMIX_context_get_nthreads(void) { * \param nb_threads the number of threads to use */ XBT_INLINE void SIMIX_context_set_nthreads(int nb_threads) { - if (nb_threads<=0) { nb_threads = xbt_os_get_numcores(); XBT_INFO("Auto-setting contexts/nthreads to %d",nb_threads); @@ -149,7 +148,6 @@ XBT_INLINE void SIMIX_context_set_nthreads(int nb_threads) { THROWF(arg_error, 0, "The thread factory cannot be run in parallel"); #endif } - smx_parallel_contexts = nb_threads; }