+XBT_INLINE void SIMIX_context_set_parallel_threshold(int threshold) {
+ smx_parallel_threshold = threshold;
+}
+
+/**
+ * \brief Returns the synchronization mode used when processes are run in
+ * parallel.
+ * \return how threads are synchronized if processes are run in parallel
+ */
+XBT_INLINE e_xbt_parmap_mode_t SIMIX_context_get_parallel_mode(void) {
+ e_xbt_parmap_mode_t mode = XBT_PARMAP_FUTEX;
+ const char* mode_name = xbt_cfg_get_string(_surf_cfg_set, "contexts/synchro");
+ if (!strcmp(mode_name, "posix")) {
+ mode = XBT_PARMAP_POSIX;
+ }
+ else if (!strcmp(mode_name, "futex")) {
+ mode = XBT_PARMAP_FUTEX;
+ }
+ else if (!strcmp(mode_name, "busy_wait")) {
+ mode = XBT_PARMAP_BUSY_WAIT;
+ }
+ else {
+ XBT_WARN("Command line setting of the parallel synchronization mode should "
+ "be one of \"posix\", \"futex\" or \"busy_wait\"");
+ }
+ return mode;
+}
+
+/**
+ * \brief Sets the synchronization mode to use when processes are run in
+ * parallel.
+ * \param mode how to synchronize threads if processes are run in parallel
+ */
+XBT_INLINE void SIMIX_context_set_parallel_mode(e_xbt_parmap_mode_t mode) {
+ if (mode == XBT_PARMAP_POSIX) {
+ xbt_cfg_set_string(_surf_cfg_set, "contexts/synchro", "posix");
+ }
+ else if (mode == XBT_PARMAP_FUTEX) {
+ xbt_cfg_set_string(_surf_cfg_set, "contexts/synchro", "futex");
+ }
+ else if (XBT_PARMAP_BUSY_WAIT) {
+ xbt_cfg_set_string(_surf_cfg_set, "contexts/synchro", "busy_wait");
+ }
+ else {
+ XBT_WARN("Command line setting of the parallel synchronization mode should "
+ "be one of \"posix\", \"futex\" or \"busy_wait\"");
+ }
+}
+
+/**
+ * \brief Returns the current context of this thread.
+ * \return the current context of this thread
+ */
+XBT_INLINE smx_context_t SIMIX_context_get_current(void)
+{
+ if (SIMIX_context_is_parallel()) {
+#ifdef HAVE_THREAD_LOCAL_STORAGE
+ return smx_current_context_parallel;
+#else
+ return xbt_os_thread_get_specific(smx_current_context_key);
+#endif
+ }
+ else {
+ return smx_current_context_serial;
+ }
+}
+
+/**
+ * \brief Sets the current context of this thread.
+ * \param context the context to set
+ */
+XBT_INLINE void SIMIX_context_set_current(smx_context_t context)
+{
+ if (SIMIX_context_is_parallel()) {
+#ifdef HAVE_THREAD_LOCAL_STORAGE
+ smx_current_context_parallel = context;
+#else
+ xbt_os_thread_set_specific(smx_current_context_key, context);
+#endif
+ }
+ else {
+ smx_current_context_serial = context;
+ }