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49 Commits

Author SHA1 Message Date
Xiang Xiao
517974787f Rename clock_systime[r|spec] to clock_systime_[ticks|timespec] 
follow up the new naming convention:
https://cwiki.apache.org/confluence/display/NUTTX/Naming+of+OS+Internal+Functions
 2020-05-10 14:35:50 -06:00
Gregory Nutt
f92dba212d sched/sched/sched.h: Make naming of all internal names consistent: 
1. Add internal scheduler functions should begin with nxsched_, not sched_
2. Follow the consistent naming patter of https://cwiki.apache.org/confluence/display/NUTTX/Naming+of+OS+Internal+Functions
 2020-05-09 16:58:42 -03:00
ligd
231ad202ee global change: repace sched_xfree() to kxmm_free() 
Changes:
sched_xfree() => kxmm_free()
remove garbage related APIs
remove ARCH_HAVE_GARBAGE

Cause garbage feature move to mm_heap, then don't need
garbage anymore.

Change-Id: If310790a3208155ca8ab319e8d038cb6ff92c518
Signed-off-by: ligd <liguiding@fishsemi.com>
 2020-04-09 10:29:28 -06:00
Gregory Nutt
f2e6e131d4 include/nuttx/wdog.h: Add some additional comments. 2020-04-07 17:40:46 +01:00
Gregory Nutt
c21d198ac5 sched/wdog: Update to Apache 2.0 Headers 
And run each .c and .h file through nxstyle to assure compliance.
 2020-03-11 18:35:18 -03:00
Xiang Xiao
6a3c2aded6 Fix wait loop and void cast (#24) 
* Simplify EINTR/ECANCEL error handling

1. Add semaphore uninterruptible wait function
2 .Replace semaphore wait loop with a single uninterruptible wait
3. Replace all sem_xxx to nxsem_xxx

* Unify the void cast usage

1. Remove void cast for function because many place ignore the returned value witout cast
2. Replace void cast for variable with UNUSED macro
 2020-01-02 10:54:43 -06:00
Gregory Nutt
b5111d2c38 tools/nxstyle.c: Add logic to detect if there is a blank line following the final right brace. sched/: Applied the modified nxstyle to all C file as a test. 2019-10-24 11:02:42 -06:00
Gregory Nutt
bcb4409756 sched/wdog/wd_start.c: Back out a kludge-workaround for an SDCC compiler problem fix back in Feb 2017 by commit b8f3bd857b. That workaround now appears to conflict with newer GCC versions using unsupport warning options. 2019-10-04 09:10:15 -06:00
Gregory Nutt
53d5e44d89 Cosmetic updates. 2019-08-28 15:14:27 -06:00
Gregory Nutt
f6b9fe5b14 tools/nxstyle.c: Add logic to detect a blank line following a left brace or a blank line preceding a right brace. 2019-03-10 09:53:33 -06:00
Gregory Nutt
bb623d1e04 This commit renames all internal OS functions defined under sched/task so that they begin with the prefix. For example, nxtask_exit() vs. task_exit(). 
Squashed commit of the following:

    Trivial, cosmetic
    sched/, arch/, and include:  Rename task_vforkstart() as nxtask_vforkstart()
    sched/, arch/, and include:  Rename task_vforkabort() as nxtask_vforkabort()
    sched/, arch/, and include:  Rename task_vforksetup() as nxtask_vfork_setup()
    sched/:  Rename notify_cancellation() as nxnotify_cancellation()
    sched/:  Rename task_recover() to nxtask_recover()
    sched/task, sched/pthread/, Documentation/:  Rename task_argsetup() and task_terminate() to nxtask_argsetup() and nxtask_terminate(), respectively.
    sched/task:  Rename task_schedsetup() to nxtask_schedsetup()
    sched/ (plus some binfmt/, include/, and arch/):  Rename task_start() and task_starthook() to nxtask_start() and nxtask_starthook().
    arch/ and sched/:  Rename task_exit() and task_exithook() to nxtask_exit() and nxtask_exithook(), respectively.
    sched/task:  Rename all internal, static, functions to begin with the nx prefix.
 2019-02-04 13:42:51 -06:00
ligd
441cf6c207 sched/wdog: improve accuracy of wd_gettime() in tickless mode 2018-11-09 09:26:34 -06:00
Xiang Xiao
e1202d2ed3 Replace all ASSERT with DEBUGASSERT to save the code space 2018-08-24 06:58:30 -06:00
Gregory Nutt
8e203e09d4 Costmetic changes 2018-08-19 11:19:43 -06:00
Gregory Nutt
b54ffe858a Standardization of some function headers. 2018-03-13 09:52:27 -06:00
Gregory Nutt
7cf88d7dbd Make sure that labeling is used consistently in all function headers. 2018-02-01 10:00:02 -06:00
Gregory Nutt
da50646bcf sched/wdog: wd_start() is an internal OS function and should not set the errno value. Reviewed and updated every call to wd_start() to verify if return value is used and if so if the errno value is accessed. 2018-01-31 10:09:14 -06:00
Gregory Nutt
9f80e4ccf1 sched/: Various fixes for typos, improved parameter verification. 2018-01-12 18:26:45 -06:00
Gregory Nutt
0de294a586 Fix lots of occurrences of 'the the', 'the there', 'the these', 'the then', 'the they. 2017-05-11 13:35:56 -06:00
Gregory Nutt
12a4a58aa6 Update some wdog-related comments 2017-02-24 10:58:37 -06:00
Gregory Nutt
69e9f8638d Most interrupt handling logic interacts with tasks via standard mechanism such as sem_post, sigqueue, mq_send, etc. This all call enter_critical_section and are assumed to be safe in the SMP case. 
But certain logic interacts with tasks in different ways.  The only one that comes to mind are wdogs.  There is a tasking interface that to manipulate wdogs, and a different interface in the timer interrupt handling logic to manage wdog expirations.

In the normal case, this is fine.  Since the tasking level code calls enter_critical_section, interrupts are disabled an no conflicts can occur.  But that may not be the case in the SMP case.  Most architectures do not permit disabling interrupts on other CPUs so enter_critical_section must work differently:  Locks are required to protect code.

So this change adds locking (via enter_critical section) to wdog expiration logic for the the case if the SMP configuration.
 2016-11-18 13:57:30 -06:00
Gregory Nutt
18ce4ff57b sched/: Review and correct some stylistic inconsistencies 2016-08-07 08:25:30 -06:00
Gregory Nutt
1cdc746726 Rename CONFIG_DEBUG to CONFIG_DEBUG_FEATURES 2016-06-11 14:14:08 -06:00
Gregory Nutt
970b34ae8f Remove some empty file section section header comments 2016-02-17 17:17:44 -06:00
Gregory Nutt
6e3107650d nuttx/sched: Replace irqsave() with enter_critical_section(); replace irqrestore() with leave_critical_section() 2016-02-14 08:17:46 -06:00
Dimitry Kloper
b48ca00cd5 The delay parameter has 'int' type while explicit int32_t is used in sigtimedwait() (sig_timedwait.c) This can lead to wrong argument for systems that have default int size different than int32 (namely AVR). 2016-01-05 07:58:04 -06:00
Gregory Nutt
79d554939e sched/: Fix some spacing issues 2015-10-07 19:59:14 -06:00
Gregory Nutt
0f90500f72 Standardize the width of all comment boxes in header files 2015-10-02 17:48:24 -06:00
Gregory Nutt
5b51a9fcdd Standardize the width of all comment boxes in C files 2015-10-02 17:43:18 -06:00
Gregory Nutt
cb9e27c3b0 Standardize naming used for public data and function groupings 2015-10-02 16:30:35 -06:00
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
ea7dbc984b Add basic sporadic schedule state machine 2015-07-24 09:03:21 -06:00
Gregory Nutt
3adcae8ffb Update the type passed to watchdog timer handlers. Using uint32_t is a problem for 64-bit machines. 2015-05-18 08:53:42 -06:00
Gregory Nutt
b4423c1eed Make some file section headers more consistent with standard 2015-04-08 06:47:36 -06:00
Gregory Nutt
b3a1939020 Sempahores: Add logic to clean up after task_delete() or pthread_cancel() if the task happens to be waiting on a semaphore when it is cancelled 2014-12-13 12:02:25 -06:00
Gregory Nutt
1aa528a572 More fixes to problems noted by cppcheck. Some are kind of risky; some are real bugs. 2014-11-25 14:10:35 -06:00
Gregory Nutt
2caeead612 Fix an important bug in the watchdog creation logic 2014-11-10 18:15:26 -06:00
Gregory Nutt
322f9f401c Simplify how C source files are selected in the build 2014-10-07 07:42:36 -06:00
Gregory Nutt
1780810d3d Rename kmalloc to kmm_malloc for consistency 2014-08-31 17:26:36 -06:00
Gregory Nutt
fd484c4de9 Add support for statically allocated watchdog timer structures 2014-08-22 08:46:34 -06:00
Gregory Nutt
ad9b3f8ab8 wdog.h does not contain any application interface, only internal OS interface. Further, it is non-standard. Move wdog.h from include/ to include/nuttx. For the same reason, move the description of the watchdog timer interfaces from the Users Guide to the Porting Guide. 2014-08-21 11:16:55 -06:00
Gregory Nutt
952d87587f If we run out of pre-allocated watchdog times, the logic will allocate additional timers from the heap. A reserve of pre-allocated watchdog timers is maintained so that there will always be timers available for interrupt handlers. 2014-08-21 08:44:29 -06:00
Gregory Nutt
2bc07a03ae Correct release notes, updat changelog, fix some conditional compilation 2014-08-15 06:56:42 -06:00
Gregory Nutt
649ef76f71 Timers: In Tickless mode, need to stop the interval timer before inserted a new delay into the timer list. Otherwise, the time is incorrect on the first entry of the list 2014-08-11 08:25:25 -06:00
Gregory Nutt
6bd52bce06 Tickless OS: Correct a bug: logic to detect changes in head of timer list was wrong. 2014-08-10 13:12:18 -06:00
Gregory Nutt
e1769b22f1 Remove os_internal.h it has been replace by several new header files under sched/. There have been some sneak inclusion paths via os_internal.h, so expect a few compilation errors for some architectures 2014-08-08 18:39:28 -06:00
Gregory Nutt
d798dd37a7 Replace os_internal.h with sched/sched.h in files that actually reference something in sched.h 2014-08-08 17:53:55 -06:00
Gregory Nutt
0f318e9249 Move watchdog functions from sched/ to sched/wdog 2014-08-08 14:21:48 -06:00