X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/8a98063fe12e80a332a2f48d4b060815b7ae1efc..6760cb07d6b57be16928d95339d71e57c4e24f36:/src/gras/Msg/timer.c diff --git a/src/gras/Msg/timer.c b/src/gras/Msg/timer.c index f68376f973..ca596c3d69 100644 --- a/src/gras/Msg/timer.c +++ b/src/gras/Msg/timer.c @@ -1,8 +1,7 @@ -/* $Id$ */ - /* timer - Delayed and repetitive actions */ -/* Copyright (c) 2005 Martin Quinson. All rights reserved. */ +/* Copyright (c) 2005, 2006, 2007, 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. */ @@ -13,167 +12,183 @@ #include "gras/Virtu/virtu_interface.h" -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_timer,gras, - "Delayed and repetitive actions"); +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_timer, gras, + "Delayed and repetitive actions"); /** @brief Request \a action to be called once in \a delay seconds */ -void gras_timer_delay(double delay, void_f_void_t action) { - gras_msg_procdata_t pd=(gras_msg_procdata_t)gras_libdata_by_id(gras_msg_libdata_id); - - gras_timer_t timer = xbt_dynar_push_ptr(pd->timers); - - VERB1("Register delayed action %p", action); - timer->period = delay; - timer->expiry = delay+gras_os_time(); - timer->action = action; - timer->repeat = FALSE; +void gras_timer_delay(double delay, void_f_void_t action) +{ + gras_msg_procdata_t pd = + (gras_msg_procdata_t) gras_libdata_by_id(gras_msg_libdata_id); + + gras_timer_t timer = xbt_dynar_push_ptr(pd->timers); + + VERB1("Register delayed action %p", action); + timer->period = delay; + timer->expiry = delay + gras_os_time(); + timer->action = action; + timer->repeat = FALSE; } /** @brief Request \a action to be called every \a interval seconds */ -void gras_timer_repeat(double interval, void_f_void_t action) { - gras_msg_procdata_t pd=(gras_msg_procdata_t)gras_libdata_by_id(gras_msg_libdata_id); - - gras_timer_t timer = xbt_dynar_push_ptr(pd->timers); - - VERB1("Register repetitive action %p", action); - timer->period = interval; - timer->expiry = interval+gras_os_time(); - timer->action = action; - timer->repeat = TRUE; +void gras_timer_repeat(double interval, void_f_void_t action) +{ + gras_msg_procdata_t pd = + (gras_msg_procdata_t) gras_libdata_by_id(gras_msg_libdata_id); + + gras_timer_t timer = xbt_dynar_push_ptr(pd->timers); + + VERB1("Register repetitive action %p", action); + timer->period = interval; + timer->expiry = interval + gras_os_time(); + timer->action = action; + timer->repeat = TRUE; } /** @brief Cancel a delayed task */ -void gras_timer_cancel_delay(double interval, void_f_void_t action) { - gras_msg_procdata_t pd=(gras_msg_procdata_t)gras_libdata_by_id(gras_msg_libdata_id); - unsigned int cursor; - int found; - s_gras_timer_t timer; - - found = FALSE; - xbt_dynar_foreach(pd->timers,cursor,timer){ - if (timer.repeat == FALSE && - timer.period == interval && - timer.action == action) { - - found = TRUE; - xbt_dynar_cursor_rm(pd->timers, &cursor); - } - } - - if (!found) - THROW2(mismatch_error,0,"Cannot remove the action %p delayed of %f second: not found", - action,interval); +void gras_timer_cancel_delay(double interval, void_f_void_t action) +{ + gras_msg_procdata_t pd = + (gras_msg_procdata_t) gras_libdata_by_id(gras_msg_libdata_id); + unsigned int cursor; + int found; + s_gras_timer_t timer; + + found = FALSE; + xbt_dynar_foreach(pd->timers, cursor, timer) { + if (timer.repeat == FALSE && + timer.period == interval && timer.action == action) { + + found = TRUE; + xbt_dynar_cursor_rm(pd->timers, &cursor); + } + } + + if (!found) + THROW2(mismatch_error, 0, + "Cannot remove the action %p delayed of %f second: not found", + action, interval); } /** @brief Cancel a repetitive task */ -void gras_timer_cancel_repeat(double interval, void_f_void_t action) { - gras_msg_procdata_t pd=(gras_msg_procdata_t)gras_libdata_by_id(gras_msg_libdata_id); - unsigned int cursor; - int found; - s_gras_timer_t timer; - - found = FALSE; - xbt_dynar_foreach(pd->timers,cursor,timer){ - if (timer.repeat == TRUE && - timer.period == interval && - timer.action == action) { - - found = TRUE; - xbt_dynar_cursor_rm(pd->timers, &cursor); - } - } - - if (!found) - THROW2(mismatch_error,0,"Cannot remove the action %p delayed of %f second: not found", - action,interval); +void gras_timer_cancel_repeat(double interval, void_f_void_t action) +{ + gras_msg_procdata_t pd = + (gras_msg_procdata_t) gras_libdata_by_id(gras_msg_libdata_id); + unsigned int cursor; + int found; + s_gras_timer_t timer; + + found = FALSE; + xbt_dynar_foreach(pd->timers, cursor, timer) { + if (timer.repeat == TRUE && + timer.period == interval && timer.action == action) { + + found = TRUE; + xbt_dynar_cursor_rm(pd->timers, &cursor); + } + } + + if (!found) + THROW2(mismatch_error, 0, + "Cannot remove the action %p delayed of %f second: not found", + action, interval); } /** @brief Cancel all delayed tasks */ -void gras_timer_cancel_delay_all(void) { - gras_msg_procdata_t pd=(gras_msg_procdata_t)gras_libdata_by_id(gras_msg_libdata_id); - unsigned int cursor; - int found; - s_gras_timer_t timer; - - found = FALSE; - xbt_dynar_foreach(pd->timers,cursor,timer){ - if (timer.repeat == FALSE) { - - found = TRUE; - xbt_dynar_cursor_rm(pd->timers, &cursor); - } - } - - if (!found) - THROW0(mismatch_error,0,"No delayed action to remove"); +void gras_timer_cancel_delay_all(void) +{ + gras_msg_procdata_t pd = + (gras_msg_procdata_t) gras_libdata_by_id(gras_msg_libdata_id); + unsigned int cursor; + int found; + s_gras_timer_t timer; + + found = FALSE; + xbt_dynar_foreach(pd->timers, cursor, timer) { + if (timer.repeat == FALSE) { + + found = TRUE; + xbt_dynar_cursor_rm(pd->timers, &cursor); + } + } + + if (!found) + THROW0(mismatch_error, 0, "No delayed action to remove"); } /** @brief Cancel all repetitive tasks */ -void gras_timer_cancel_repeat_all(void){ - gras_msg_procdata_t pd=(gras_msg_procdata_t)gras_libdata_by_id(gras_msg_libdata_id); - unsigned int cursor; - int found; - s_gras_timer_t timer; - - found = FALSE; - xbt_dynar_foreach(pd->timers,cursor,timer){ - if (timer.repeat == FALSE) { - - found = TRUE; - xbt_dynar_cursor_rm(pd->timers, &cursor); - } - } - - if (!found) - THROW0(mismatch_error,0,"No repetitive action to remove"); +void gras_timer_cancel_repeat_all(void) +{ + gras_msg_procdata_t pd = + (gras_msg_procdata_t) gras_libdata_by_id(gras_msg_libdata_id); + unsigned int cursor; + int found; + s_gras_timer_t timer; + + found = FALSE; + xbt_dynar_foreach(pd->timers, cursor, timer) { + if (timer.repeat == FALSE) { + + found = TRUE; + xbt_dynar_cursor_rm(pd->timers, &cursor); + } + } + + if (!found) + THROW0(mismatch_error, 0, "No repetitive action to remove"); } /** @brief Cancel all delayed and repetitive tasks */ -void gras_timer_cancel_all(void) { - gras_msg_procdata_t pd=(gras_msg_procdata_t)gras_libdata_by_id(gras_msg_libdata_id); - xbt_dynar_reset( pd->timers ); +void gras_timer_cancel_all(void) +{ + gras_msg_procdata_t pd = + (gras_msg_procdata_t) gras_libdata_by_id(gras_msg_libdata_id); + xbt_dynar_reset(pd->timers); } /* returns 0 if it handled a timer, or the delay until next timer, or -1 if no armed timer */ -double gras_msg_timer_handle(void) { - gras_msg_procdata_t pd=(gras_msg_procdata_t)gras_libdata_by_id(gras_msg_libdata_id); - unsigned int cursor; - gras_timer_t timer; - double now=gras_os_time(); - double untilnext = -1.0; - - for (cursor=0; cursor < xbt_dynar_length(pd->timers); cursor++) { - double untilthis; - - timer = xbt_dynar_get_ptr (pd->timers, cursor); - untilthis = timer->expiry - now; - - DEBUG2("Action %p expires in %f", timer->action, untilthis); - - if (untilthis <= 0.0) { - void_f_void_t action = timer->action; - - DEBUG5("[%.0f] Serve %s action %p (%f<%f)",gras_os_time(), - timer->repeat ? "repetitive" : "delayed", timer->action, - timer->expiry, now); - - if (timer->repeat) { - timer->expiry = now + timer->period; - DEBUG4("[%.0f] Re-arm repetitive action %p for %f (period=%f)", - gras_os_time(), - timer->action, timer->expiry, timer->period); - } else { - DEBUG2("[%.0f] Remove %p now that it's done", gras_os_time(), timer->action); - xbt_dynar_cursor_rm(pd->timers, &cursor); - } - (*action)(); - return 0.0; - } else if (untilthis < untilnext || untilnext == -1) { - untilnext = untilthis; - } - } - return untilnext; +double gras_msg_timer_handle(void) +{ + gras_msg_procdata_t pd = + (gras_msg_procdata_t) gras_libdata_by_id(gras_msg_libdata_id); + unsigned int cursor; + gras_timer_t timer; + double now = gras_os_time(); + double untilnext = -1.0; + + for (cursor = 0; cursor < xbt_dynar_length(pd->timers); cursor++) { + double untilthis; + + timer = xbt_dynar_get_ptr(pd->timers, cursor); + untilthis = timer->expiry - now; + + DEBUG2("Action %p expires in %f", timer->action, untilthis); + + if (untilthis <= 0.0) { + void_f_void_t action = timer->action; + + DEBUG5("[%.0f] Serve %s action %p (%f<%f)", gras_os_time(), + timer->repeat ? "repetitive" : "delayed", timer->action, + timer->expiry, now); + + if (timer->repeat) { + timer->expiry = now + timer->period; + DEBUG4("[%.0f] Re-arm repetitive action %p for %f (period=%f)", + gras_os_time(), timer->action, timer->expiry, timer->period); + } else { + DEBUG2("[%.0f] Remove %p now that it's done", gras_os_time(), + timer->action); + xbt_dynar_cursor_rm(pd->timers, &cursor); + } + (*action) (); + return 0.0; + } else if (untilthis < untilnext || untilnext == -1) { + untilnext = untilthis; + } + } + return untilnext; }