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1364 Commits

Author SHA1 Message Date
Gregory Nutt
bdd02a6aed Some cosmetic updates, mostly to spacing and comments. 2018-12-30 11:58:19 -06:00
Gregory Nutt
40cdc187bb mm/mm_heap/mm_sem.c and sched/task/task_getpid.c: Commits 43d37c866b and f37202cbc0 resolved some problems with the original fix of 91aa26774b. However, Those changes used an internal OS interface (sched_self()) which is not available when the the user-space memory manager is built in the PROTECTED or KERNEL builds and resulted in build failures. 
This commit repartitions the logic by moving some of the changes from mm_sem.c into task_getpid.c.  The logic is equivalent for the case of mm_trysemaphore(), but no has wider impact since it potentially affects all callers of getpid().  Hence, this change may also introduce some other issues that will need to be addressed.
 2018-12-30 08:41:06 -06:00
David Sidrane
24db683368 arch/arm/src/imxrt/chip/imxrt106x_pinmux.h: Add FLEXCAN3 to pinmux 2018-12-28 15:08:20 -06:00
Gregory Nutt
8b21960ba3 sched/pthread: Implement pthread_key_delete(). This involves some minor changes to the group data structure. 2018-12-28 14:21:19 -06:00
David Sidrane
bf6f44dec8 sched/Kconfig and sched/init/os_bringup.c: Allow the init task priority to be set. 2018-12-20 10:49:10 -06:00
Gregory Nutt
9d1c845dcc Revert "This patch prevent heap corruption as in below case." 
This solution to the problem noted by EunBong Song results in major memory fragmentation and and out-of-memory conditions on the PX4 platform.  On that platform the lower priority work queue is very low priority and essentially never runs when the system is busy.  As a result, the systems gets slowly starved of memory until failures and bad behaviors begin to occur.

This is an addition patch coming later to result the original problem in a different way that does not have cause memory starvation.

This reverts commit 91aa26774b.
 2018-12-20 10:11:36 -06:00
Gregory Nutt
00b5ba0cf0 sched/task/task_spawn.c: Correct description of input parameters to task_spawn_exec(). Noted by: JeongchanKim 2018-12-18 07:37:07 -06:00
David Sidrane
5433ec589b fs/driver/fs_blockpartition.c: Fix void pointer warning. 
libs/libc/unistd/lib_daemon.c:  Fix compiler error is streams disabled.
sched/irq/irq_procfs.c:  Fix warning
sched/task/task_vfork.c: Fix void * math warning
 2018-12-03 17:54:21 -06:00
Gregory Nutt
3b22d13493 sched/: Add debug assertions before each call to up_block_task() to assure that there is no attempt to block an IDLE task. 2018-11-30 06:54:15 -06:00
Xiang Xiao
af96756995 sched/sched/sched_gettcb.c: Fix break in building introduced in a recent commit. 2018-11-30 06:40:51 -06:00
Gregory Nutt
454d59b049 sched/sched_foreach.c: sched_foreach() should not have to hold the critical section over the entire traversal. It should be acceptable to simply only the critical section while one entry is being processed (the caller can always call sched_foreach within a critical section is greater stability is needed. sched/sched_gettcb.c: Recent changes removed critical sections around calls to sched_gettcb.c. However, there is a very should sequence of instructions that actually does require the critical section. That short sequence no manages its own critical section. 2018-11-29 13:09:56 -06:00
Gregory Nutt
d8cf3bfe25 Rethink some of the conditional logic of commit 1ac9558460: If the Critical Section Monitor enabled, that that platform-specific timer should be used to measure interrupt processing time, no matter what. 2018-11-26 12:18:58 -06:00
Gregory Nutt
553c566650 sched/irq: Include a few ProcFS-related changes missed in commit 1ac9558460 2018-11-26 12:01:36 -06:00
Gregory Nutt
1ac9558460 sched/irq and sched/sched: Measurement of interrupt handler duration used to be available only in Tickless mode since it used the high resolution Tickless timer to measure interrupt time. This commit adds CONFIG_SCHED_IRQMONITOR_GETTIME which, if enabled, will force the interrupt duration caculation to use the same high-resolution, platform-specific timer as is used with the Critical Section Monitor. This leads to two improvements: (1) You can now measure interrupt duration in non-Tickless mode, and (2) in either mode, the interrupt duration and the critical section measures will use the same high-resulotion timer and should, therefore, never be any descripancy due to different clock sources. 2018-11-26 11:29:20 -06:00
Gregory Nutt
80e7107c9f sched/irq/Make.defs: Fix warning about irq_csection.o appearing multiple times in the same rule. 2018-11-25 17:22:33 -06:00
Gregory Nutt
4ca7b72a98 sched/Kconfig: Simplify some configurations. This adds configuration settings that control individual features, rather than long complex OR expressions that determines if an individual feature is required. 2018-11-25 11:50:15 -06:00
Gregory Nutt
865cc85dfd sched/sched/sched_critmonitor.c: A correct a logic error. arch/sim/src/up_critmon.c: Use higher resolution timer. 2018-11-25 09:49:21 -06:00
Gregory Nutt
491ef22b63 sched/sched/sched_critmon.c: Design simplication. Now that irqcount is always available, there is no need for the flags that were used to retain IRQ state. 2018-11-25 07:41:52 -06:00
Gregory Nutt
095b597d34 sched/sched and fs/procfs: Fix some bus in critical section monitor found in testing 2018-11-24 17:58:35 -06:00
Gregory Nutt
807d5bb4ae Critical Section Monitor: Add low level timer support for simulation. Fix serial bugs and logic errors in initial implementation. Still does not work; takes assertions. 2018-11-24 15:07:12 -06:00
Gregory Nutt
85c31fd4a2 fs/procfs/fs_procfscritmon.c and sched/sched/sched_critmonitor.c: Add support for global pre-emption and global critical sections to monitor as suggested by Xiang Xaio. 2018-11-24 13:33:37 -06:00
Gregory Nutt
a1cb270478 configs/stm32f4discovery: Add timing support for the critical section monitor using the DWT CYCNT register. 2018-11-24 11:06:34 -06:00
Gregory Nutt
fc6084f311 Squashed commit of the following: 
fs/procfs/fs_procfsproc:  Extended the process ID ProcFS output to show per-thread maximum time for pre-emption disabled and maximum time within a critical section.

    sched/sched/sched_critmonitor.c:  Adds data collection logic in support of monitoring critical sections and pre-emption state.
 2018-11-24 10:32:45 -06:00
Gregory Nutt
d2a11cdea5 sched/signal/sig_timedwait.c: Remove unnecessary disble of pre-emption. 2018-11-23 06:59:48 -06:00
Xiang Xiao
dbf01d12b7 Assertions: Identify the running task correctly when dumping task state information. It takes time to switch to the target task after g_readytorun has been modified. If panic/assert happen during this period, the dump will contain the incorrect and confusing information due to the difference between the real running task and the return value of this_task(). This change resolve this problem by adding g_running_task to track the real running task through the context switch. 2018-11-15 07:11:51 -06:00
Xiang Xiao
f337cc1380 sched/clock/ timekeeping: Use clock_basetime() to initialize g_clock_wall_time to get the best initial RTC value and initialize g_clock_last_counter too since the hardware may not start counting from zero. 2018-11-12 07:00:41 -06:00
Xiang Xiao
2bc709d4b9 sched/clock/clock_initialize.c: clock_inittime() needs to be done with CONFIG_SCHED_TICKLESS and clock_initialize should skip clock_inittime() for external RTC case since the RTC isn't ready yet. 2018-11-12 06:55:53 -06:00
Xiang Xiao
f0c5c75042 sched/clock/: Don't call up_timer_gettime in clock_gettime and clock_systimer to ensure the return value from them consistent with clock_systimespec 2018-11-12 06:52:56 -06:00
Xiang Xiao
46bd8798c5 ched/clock/: Remove g_monotonic_basetime and g_clock_monotonic_time since we don't need ensure monotonic time start from zero as state here: http://pubs.opengroup.org/onlinepubs/009696899/functions/clock_getres.html 2018-11-12 06:50:37 -06:00
Xiang Xiao
1ef2602933 sched/clock/clock_getres.c: Support CLOCK_MONOTONIC 2018-11-12 06:42:38 -06:00
Xiang Xiao
43706cd797 net/arp: Redesign ARP table aging to simplify the net initialization 2018-11-09 13:54:55 -06:00
ligd
712540b6a0 sched/wdog: improve accuracy of wd_gettime() in tickless mode 2018-11-09 09:27:40 -06:00
ligd
441cf6c207 sched/wdog: improve accuracy of wd_gettime() in tickless mode 2018-11-09 09:26:34 -06:00
Xiang Xiao
d32d9d4b24 fs/partition: Try MTDIOC_GEOMETRY IOCTL before bops's geometry 
fs/driver/fs_blockpartition.c:  Support MTD IOCTL
 2018-11-08 09:41:54 -06:00
Xiang Xiao
a9ff43d93c fs/aio, libs/libc/aio, sched/mqueue, sched/timer, and sched/signal: Remove the code duplication for SIGEV_THREAD. 2018-11-08 08:19:17 -06:00
dongjianli
057d555129 sched/signal and syscall/: Add support for pselect() and ppoll() functions 2018-11-08 07:45:23 -06:00
Xiang Xiao
27c7974cb1 sched/signal/sig_suspend.c: sigsuspend() shouldn't eat the pending signal but dispatch all instead 2018-11-08 07:39:37 -06:00
nchao
6509a0c0ca binfmt/ and libs/libc: Make exepath_*() more common: 
1. Move exepath_*() related code to libc/misc
  1. Rename exepath_ to envpath_
  2. Rename BINFMT_EXEPATH to LIB_ENVPATH

libs/libc/modlib:  Add pre module library symbol table support
 2018-11-08 07:27:14 -06:00
zhangyuan7
da737f3167 sched/group/group_foreachchild.c: group_foreachchild iterate by reverse order since the callback(e.g. group_killchildren) may remove the tcb from list 
sched Kconfig and sched/task/exit.c:  Add SCHED_EXIT_KILL_CHILDREN option to kill all child threads when the main thread of a task exits.
 2018-11-08 07:03:30 -06:00
Gregory Nutt
4eeba49507 Documentation/NuttShell.html: Add a little more information for the NSH set command. 2018-10-02 11:57:39 -06:00
Gregory Nutt
af50ab0088 sched/environ/env_unsetenv.c: Fix a memory leak introduced by the previous commit. 2018-09-30 11:45:59 -06:00
Gregory Nutt
d3c2373940 sched/environ/env_unsetenv.c: Fix and error in unsetenv() when unsetting the last of the environment variables. 2018-09-30 11:40:10 -06:00
Gregory Nutt
7769bd490c sched/signal/sig_nanosleep.c: Fix an error introduced with recent commit. Noted by Jussi Kivilinna. 2018-09-17 06:21:25 -06:00
Gregory Nutt
abc0e58799 sched/task/task_restart.c: Fix a compile error if CONFIG_DISABLE_SIGNALS defined. 2018-09-15 14:51:04 -06:00
Gregory Nutt
a7fd58c4db Squashed commit of the following: 
many locations:  Change occurences of open() followed by file_detach() to file_open().  Change most non-controversion calls to open() to nx_open().

    fs/inode/fs_fileopen.c:  Flesh out file_open() with some interim, placeholder logic.

    fs/inode/fs_fileopen.c:  Add a framework for a file_open() implementation (no real logic in place yet).

    fs/vfs/fs_open.c:  Add nx_open() which is the same as open() except that it does not create a cancellation point nor does it modify the errno variable.
 2018-09-15 10:49:41 -06:00
Gregory Nutt
dc48263a6a libs/libc/wqueue/work_usrthread.c: Revise commit 49e725625a. Use sigprocmask() so tht we do not lose a signal, not sched_lock() which will not do the job in SMP mode. 2018-09-14 09:02:03 -06:00
Gregory Nutt
9546481054 Fix some typographical errors. 2018-09-14 06:55:45 -06:00
Gregory Nutt
c9187c2928 task/task_restart.c: Restarted was had sigprocmask set. Noted by Jeongchan Kim 2018-09-14 06:51:38 -06:00
Gregory Nutt
a04d2eeb10 tools/Directories.mk: Correct the path to the installed libcxx directory. 2018-09-13 14:03:09 -06:00
Gregory Nutt
b3f0aab00a Squashed commit of the following: 
sched/wqueue/kwork_notifier.c:  Redesign some data structures.  struct works_s must appear at the beginning of the notifier entry structure.  That is because it contains the work queue indices.  This solves a harfault issue.

    net/tcp/tcp_netpoll.c:  tcp_iob_work() needs to free the allocated argument when it is finished.

    net/tcp/tcp_send_buffered.c:  Extend psock_tcp_cansend() so that it also requires that at least on IOB is also avaialble.

    mm/iob:  iob_navail() was returning the number of free IOB chain queue entries, not the number of free IOBs.  Completely misnamed.

    net/tcp/tcp_netpoll.c:  Add logic to receive notifications when IOBs are freed (Needs CONFIG_NET_TCP_WRITE_BUFFERS and CONFIG_IOB_NOTIFIER).  At present, does nothing because the logic in in psock_tcp_cansend() does not check for the availability of IOBs.  That will change.
 2018-09-12 08:57:06 -06:00