--- libaitsched/src/aitsched.c 2012/07/24 13:47:01 1.10.6.1 +++ libaitsched/src/aitsched.c 2013/05/26 20:14:02 1.17.2.1 @@ -3,7 +3,7 @@ * by Michael Pounov * * $Author: misho $ -* $Id: aitsched.c,v 1.10.6.1 2012/07/24 13:47:01 misho Exp $ +* $Id: aitsched.c,v 1.17.2.1 2013/05/26 20:14:02 misho Exp $ * ************************************************************************** The ELWIX and AITNET software is distributed under the following @@ -12,7 +12,7 @@ terms: All of the documentation and software included in the ELWIX and AITNET Releases is copyrighted by ELWIX - Sofia/Bulgaria -Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 +Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 by Michael Pounov . All rights reserved. Redistribution and use in source and binary forms, with or without @@ -56,21 +56,21 @@ char sched_Error[STRSIZ]; // sched_GetErrno() Get error code of last operation -inline int +int sched_GetErrno() { return sched_Errno; } // sched_GetError() Get error text of last operation -inline const char * +const char * sched_GetError() { return sched_Error; } // sched_SetErr() Set error to variables for internal use!!! -inline void +void sched_SetErr(int eno, char *estr, ...) { va_list lst; @@ -108,6 +108,9 @@ schedRegisterHooks(sched_root_task_t * __restrict root #ifdef EVFILT_USER root->root_hooks.hook_add.user = sched_hook_user; #endif +#ifdef HAVE_LIBPTHREAD + root->root_hooks.hook_add.thread = sched_hook_thread; +#endif root->root_hooks.hook_exec.cancel = sched_hook_cancel; root->root_hooks.hook_exec.fetch = sched_hook_fetch; @@ -140,12 +143,15 @@ schedInit(void ** __restrict data, size_t datlen) } else { memset(root, 0, sizeof(sched_root_task_t)); + /* set default maximum regular task hit misses */ + root->root_miss = MAX_TASK_MISS; + /* INFINIT polling period by default */ sched_timespecinf(&root->root_poll); #ifdef HAVE_LIBPTHREAD for (i = 0; i < taskMAX; i++) - if (pthread_mutex_init(&root->root_mtx[i], NULL)) { + if ((errno = pthread_mutex_init(&root->root_mtx[i], NULL))) { LOGERR; while (i) pthread_mutex_destroy(&root->root_mtx[--i]); @@ -163,13 +169,16 @@ schedInit(void ** __restrict data, size_t datlen) TAILQ_INIT(&root->root_alarm); TAILQ_INIT(&root->root_node); TAILQ_INIT(&root->root_proc); - TAILQ_INIT(&root->root_user); TAILQ_INIT(&root->root_signal); + TAILQ_INIT(&root->root_aio); + TAILQ_INIT(&root->root_lio); + TAILQ_INIT(&root->root_user); TAILQ_INIT(&root->root_event); - TAILQ_INIT(&root->root_eventlo); + TAILQ_INIT(&root->root_task); TAILQ_INIT(&root->root_suspend); TAILQ_INIT(&root->root_ready); TAILQ_INIT(&root->root_unuse); + TAILQ_INIT(&root->root_thread); #ifdef HAVE_LIBPTHREAD for (i = 0; i < taskMAX; i++) @@ -223,18 +232,24 @@ schedEnd(sched_root_task_t ** __restrict root) schedCancel(task); TAILQ_FOREACH_SAFE(task, &(*root)->root_proc, task_node, tmp) schedCancel(task); - TAILQ_FOREACH_SAFE(task, &(*root)->root_user, task_node, tmp) - schedCancel(task); TAILQ_FOREACH_SAFE(task, &(*root)->root_signal, task_node, tmp) schedCancel(task); - TAILQ_FOREACH_SAFE(task, &(*root)->root_event, task_node, tmp) + TAILQ_FOREACH_SAFE(task, &(*root)->root_aio, task_node, tmp) schedCancel(task); - TAILQ_FOREACH_SAFE(task, &(*root)->root_eventlo, task_node, tmp) + TAILQ_FOREACH_SAFE(task, &(*root)->root_lio, task_node, tmp) schedCancel(task); + TAILQ_FOREACH_SAFE(task, &(*root)->root_user, task_node, tmp) + schedCancel(task); + TAILQ_FOREACH_SAFE(task, &(*root)->root_event, task_node, tmp) + schedCancel(task); TAILQ_FOREACH_SAFE(task, &(*root)->root_suspend, task_node, tmp) schedCancel(task); TAILQ_FOREACH_SAFE(task, &(*root)->root_ready, task_node, tmp) schedCancel(task); + TAILQ_FOREACH_SAFE(task, &(*root)->root_thread, task_node, tmp) + schedCancel(task); + TAILQ_FOREACH_SAFE(task, &(*root)->root_task, task_node, tmp) + schedCancel(task); #ifdef HAVE_LIBPTHREAD pthread_mutex_lock(&(*root)->root_mtx[taskUNUSE]); @@ -266,7 +281,7 @@ schedEnd(sched_root_task_t ** __restrict root) * @task = current task * return: !=NULL error or =NULL ok */ -inline void * +void * schedCall(sched_task_t * __restrict task) { void *ptr = (void*) -1; @@ -289,7 +304,7 @@ schedCall(sched_task_t * __restrict task) * @root = root task * return: =NULL error or !=NULL ready task */ -inline void * +void * schedFetch(sched_root_task_t * __restrict root) { void *ptr; @@ -375,17 +390,23 @@ schedCancel(sched_task_t * __restrict task) case taskPROC: queue = &TASK_ROOT(task)->root_proc; break; - case taskUSER: - queue = &TASK_ROOT(task)->root_user; - break; case taskSIGNAL: queue = &TASK_ROOT(task)->root_signal; break; + case taskAIO: + queue = &TASK_ROOT(task)->root_aio; + break; + case taskLIO: + queue = &TASK_ROOT(task)->root_lio; + break; + case taskUSER: + queue = &TASK_ROOT(task)->root_user; + break; case taskEVENT: queue = &TASK_ROOT(task)->root_event; break; - case taskEVENTLO: - queue = &TASK_ROOT(task)->root_eventlo; + case taskTASK: + queue = &TASK_ROOT(task)->root_task; break; case taskSUSPEND: queue = &TASK_ROOT(task)->root_suspend; @@ -393,6 +414,9 @@ schedCancel(sched_task_t * __restrict task) case taskREADY: queue = &TASK_ROOT(task)->root_ready; break; + case taskTHREAD: + queue = &TASK_ROOT(task)->root_thread; + break; default: queue = NULL; } @@ -406,7 +430,7 @@ schedCancel(sched_task_t * __restrict task) #endif } if (TASK_TYPE(task) != taskUNUSE) - _sched_unuseTask(task); + sched_unuseTask(task); return 0; } @@ -446,18 +470,24 @@ schedCancelby(sched_root_task_t * __restrict root, sch return -2; if (schedCancelby(root, taskPROC, criteria, param, hook)) return -2; - if (schedCancelby(root, taskUSER, criteria, param, hook)) - return -2; if (schedCancelby(root, taskSIGNAL, criteria, param, hook)) return -2; + if (schedCancelby(root, taskAIO, criteria, param, hook)) + return -2; + if (schedCancelby(root, taskLIO, criteria, param, hook)) + return -2; + if (schedCancelby(root, taskUSER, criteria, param, hook)) + return -2; if (schedCancelby(root, taskEVENT, criteria, param, hook)) return -2; - if (schedCancelby(root, taskEVENTLO, criteria, param, hook)) + if (schedCancelby(root, taskTASK, criteria, param, hook)) return -2; if (schedCancelby(root, taskSUSPEND, criteria, param, hook)) return -2; if (schedCancelby(root, taskREADY, criteria, param, hook)) return -2; + if (schedCancelby(root, taskTHREAD, criteria, param, hook)) + return -2; return 0; } /* choosen queue */ @@ -480,17 +510,23 @@ schedCancelby(sched_root_task_t * __restrict root, sch case taskPROC: queue = &root->root_proc; break; - case taskUSER: - queue = &root->root_user; - break; case taskSIGNAL: queue = &root->root_signal; break; + case taskAIO: + queue = &root->root_aio; + break; + case taskLIO: + queue = &root->root_lio; + break; + case taskUSER: + queue = &root->root_user; + break; case taskEVENT: queue = &root->root_event; break; - case taskEVENTLO: - queue = &root->root_eventlo; + case taskTASK: + queue = &root->root_task; break; case taskSUSPEND: queue = &root->root_suspend; @@ -498,6 +534,9 @@ schedCancelby(sched_root_task_t * __restrict root, sch case taskREADY: queue = &root->root_ready; break; + case taskTHREAD: + queue = &root->root_thread; + break; default: return 0; } @@ -558,7 +597,7 @@ schedCancelby(sched_root_task_t * __restrict root, sch TAILQ_REMOVE(queue, task, task_node); if (TASK_TYPE(task) != taskUNUSE) - _sched_unuseTask(task); + sched_unuseTask(task); flg ^= flg; /* ok */ } @@ -595,19 +634,19 @@ schedRun(sched_root_task_t *root, volatile intptr_t * root->root_hooks.hook_exec.condition && root->root_hooks.hook_exec.condition(root, (void*) killState)) { if ((task = root->root_hooks.hook_exec.fetch(root, NULL))) - schedCall(task); + root->root_ret = schedCall(task); } else /* trigger scheduler loop */ while (!*killState && root && root->root_hooks.hook_exec.fetch) { if ((task = root->root_hooks.hook_exec.fetch(root, NULL))) - schedCall(task); + root->root_ret = schedCall(task); } } else /* infinite scheduler loop */ while (root && root->root_hooks.hook_exec.fetch) if ((task = root->root_hooks.hook_exec.fetch(root, NULL))) - schedCall(task); + root->root_ret = schedCall(task); return 0; } @@ -620,7 +659,7 @@ schedRun(sched_root_task_t *root, volatile intptr_t * * @tsold = old timeout polling if !=NULL * return: -1 error or 0 ok */ -inline int +int schedPolling(sched_root_task_t * __restrict root, struct timespec * __restrict ts, struct timespec * __restrict tsold) { @@ -643,9 +682,9 @@ schedPolling(sched_root_task_t * __restrict root, stru * * @root = root task * @condValue = condition value, kill schedRun() if condValue == killState - * return: -1 error ok 0 ok + * return: -1 error or 0 ok */ -inline int +int schedTermCondition(sched_root_task_t * __restrict root, intptr_t condValue) { if (!root)