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734 Commits

Author SHA1 Message Date
Paul A. Patience
3b89eabd50 Correct #if to #ifdef when the macro can be undefined. Fix bug in AT24XX driver: it should compare AT24XX_ADDRSIZE to 2. 2015-09-01 13:52:29 -04:00
Gregory Nutt
0b2fbd7a2c Fix a DEBUGASSERTion 2015-08-21 12:33:14 -06:00
Gregory Nutt
89b5ef8d35 wdogs: Fix counting of free, pre-allocated wdog timers. The could could get decremented below zero in some situations 2015-08-21 11:30:22 -06:00
Gregory Nutt
51f386d08a Fix more common typos 2015-08-16 11:07:23 -06:00
Gregory Nutt
768d892188 Add si_errno to siginfo_t 2015-08-14 10:10:32 -06:00
Sebastien Lorquet
89c81f6c08 FIX typo in DEBUASSERTion 2015-08-03 09:14:15 -06:00
Gregory Nutt
15db2a45a4 drivers/net/slip.c: Fix another compilation error 2015-08-02 07:20:36 -06:00
Gregory Nutt
3a109315ed Fix a logic error in last change to sem_tickwait() 2015-08-01 16:00:23 -06:00
Gregory Nutt
ffec6124f2 Add a start time to sem_tickwait() to account for any elapsed time before the timer is actually started 2015-08-01 14:57:31 -06:00
Gregory Nutt
030573ba5c More improvements to the sporadic scheduler 2015-08-01 09:08:48 -06:00
Gregory Nutt
12cbe147a0 Forget to add files before last commit 2015-08-01 07:34:27 -06:00
Gregory Nutt
2c66e0eb2a sem_tickwait(): Add a new, non-standard function to perform timed semaphore waits. It is functionally equialent to the standard sem_timedwait(), but more efficient for use in higher performance device drivers. Requested by Max Neklyudov 2015-08-01 07:31:09 -06:00
Gregory Nutt
5772813d29 Change the name of the local variable sigset to set to prevent name collisions with the function of the same name 2015-07-31 13:32:10 -06:00
Anton D. Kachalov
4a16bc6924 [sched/pthread/pthread_kill] Add missed header for enabled CONFIG_SCHED_HAVE_PARENT 
Signed-off-by: Anton D. Kachalov <mouse@yandex-team.ru>
 2015-07-30 18:51:37 +03:00
Gregory Nutt
3a93be8902 Add strictly limit check: The current sporadic scheduler cannot handler duties > 50% 2015-07-30 07:36:01 -06:00
Gregory Nutt
a6ccb7f308 Sporadic scheduler: Third design. Now it looks closer to what I want 2015-07-28 14:26:31 -06:00
Gregory Nutt
dd5b065753 Sporadic: This interim version works pretty well, but the things that I had to do were nasty and mean that -- sigh -- there will be another redesign coming 2015-07-28 08:03:40 -06:00
Gregory Nutt
95ca3a1d1e Fixes several more sporadic scheduler bugs 2015-07-27 18:08:21 -06:00
Gregory Nutt
a7322f5a6d Sporadic scheduler: Fix how suspension time is calculated 2015-07-27 15:54:19 -06:00
Gregory Nutt
e33c727520 Sporadic scheduler: Move pending time into each timer instance 2015-07-27 14:48:21 -06:00
Gregory Nutt
e66e2f5c0f Use the last budgeted time from the last timer started 2015-07-27 13:13:30 -06:00
Gregory Nutt
8c754ccd4f Sporadic scheduler: misc bug fixes 2015-07-27 11:55:52 -06:00
Gregory Nutt
cc1c7731da Sporadic scheduler: Fix budget computations when replenishment intervals are nested 2015-07-27 09:35:52 -06:00
Gregory Nutt
484f148001 Sporadic scheduler: Add instrumentation hooks to support GPIO outputs 2015-07-27 08:37:25 -06:00
Gregory Nutt
7c04ad8209 Sporadic scheduler: Cosmetic change to debug output and to comments 2015-07-26 15:33:27 -06:00
Gregory Nutt
99664b7811 Sporadic scheduler: Add logic to collection the partial timer expiration when a sporadic thread is suspended in tickless mode 2015-07-26 15:03:47 -06:00
Gregory Nutt
4bdbc387f5 Update TODO list; Fix a few errors introduced withe the last changes to the sporadic scheduler 2015-07-26 10:51:04 -06:00
Gregory Nutt
3e88b77540 Sporadic scheduler: Handle a case when the scheduler is resumed before it has even had a chance to run 2015-07-26 08:08:45 -06:00
Gregory Nutt
26fd7a7ccf The redesigned sporadic scheduler now seems to be functional 2015-07-25 13:22:46 -06:00
Gregory Nutt
27e21710fd This is basically a complete redesign of the sporadic scheduling logic due to limitations in the initial design 2015-07-25 12:50:53 -06:00
Gregory Nutt
a1031417e8 Comment out part of sporadic scheduler logic: Part of replenishment logic is bogus 2015-07-24 18:18:58 -06:00
Gregory Nutt
1d88dc1fb6 Fix some compilation error when both TICKLESS mode and the SPORADIC scheduler are enabled 2015-07-24 14:35:07 -06:00
Gregory Nutt
ed031388ad sched/Kconfig: The sporadic scheduler option is no longer EXPERIMENTAL 2015-07-24 14:19:18 -06:00
Gregory Nutt
411941d8cd Fix an syntax error in a debug asserion 2015-07-24 13:02:19 -06:00
Gregory Nutt
12cdd2a8fe Fix some bad conditional compilation 2015-07-24 12:27:15 -06:00
Gregory Nutt
0d71260bf2 sched/: Separate the round-robin logic into a separate file so that it is symmetric with the sporadic stuff. Integrate the sporadic scheduler into the time tick interrupt handling and into the tickless operation. 2015-07-24 11:49:28 -06:00
Gregory Nutt
c6c424583d Fix a test for valid scheduling policies 2015-07-24 10:20:22 -06:00
Gregory Nutt
4490744def Add logic to reset the replenish the sporadic scheduler when a task is resumed 2015-07-24 09:55:02 -06:00
Gregory Nutt
ea7dbc984b Add basic sporadic schedule state machine 2015-07-24 09:03:21 -06:00
Gregory Nutt
3b1306078b Sporadic Scheduler: Ensure that the replenishment period is greater than or equal to the budget period 2015-07-23 15:08:41 -06:00
Gregory Nutt
5baa738019 Most cosmetic, but includes some fixes to some range checking 2015-07-23 14:36:49 -06:00
Gregory Nutt
53a17bfd99 Fix a newly introduced compilation error when round roben scheduling is disabled 2015-07-23 13:35:48 -06:00
Gregory Nutt
9095e8eab4 include/, sched/, and libc/: Add support for sporadic scheduling parameters in struct sched_param, posix_spawnattr_t, and pthread_attr_t. Update all user interfaces to pass sporadic scheduling parameters. Feature is dependent on EXPERIMENTAL and no changes have yet been made to core scheduling logic. 2015-07-23 13:16:32 -06:00
Gregory Nutt
13e837b957 Merge remote-tracking branch 'origin/master' into sporadic 2015-07-23 11:25:52 -06:00
Gregory Nutt
aa90da2bc8 pthread_create: Fix an (unlikely) error in fallback value in the event of a failure (which should never occur) 2015-07-23 11:25:25 -06:00
Gregory Nutt
2b3aae0ddc Add basic configuration options for SCHED_SPORADIC 2015-07-23 10:33:30 -06:00
Gregory Nutt
146bdc3c93 TCB: Increase the size of the scheduling policy field from 1 to 2 bits to allow additional, planned scheduling policies 2015-07-23 10:15:07 -06:00
Gregory Nutt
e69d14d89b Fix some warnings/errors detected by nuttx/tools/testbuilds.sh 2015-07-10 18:41:26 -06:00
Max Neklyudov
14e742b108 Implement WNOHANG for waitpid() only and for the case of CONFIG_SCHED_HAVE_PARENT not selected. From Max Neklyudov. 2015-07-02 09:34:58 -06:00
Jussi Kivilinna
13d9383679 Group binding needs to be cleared before sched_releasetcb(), as otherwise group_leave() will be called and group->tg_nmembers decremented or group being released. group_leave() should be called only after group_join() is called, not after group_bind(). From Jussi Kivilinna. 2015-07-01 06:24:34 -06:00