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60 Commits

Author SHA1 Message Date
Gregory Nutt
79d9e9cccd If the CPU load measurements are being driven by an external clock, then the prototype for sched_process_cpuload() must be available in include/nuttx/arch.h 2014-04-30 15:47:55 -06:00
Gregory Nutt
3b2a3991dd A few fixes for the per-process load average calculation 2014-02-23 12:50:51 -06:00
Gregory Nutt
cf4a362ab5 CPU load calculations now available for all threads. Available in /proc/pid/loadavg 2014-02-23 10:55:01 -06:00
Gregory Nutt
43e47f8e78 NX server needs to be on a kernel thread for the kernel build 2013-12-30 17:55:19 -06:00
Gregory Nutt
6e7c9b93c6 fs/procfs: Add a tiny, primitive procfs file system. Might get more interesting in the future 2013-11-13 15:59:14 -06:00
Gregory Nutt
86b815373a Remove up_assert_code 2013-04-25 15:19:59 -06:00
Gregory Nutt
927dd57ef2 Reviewed all task exit logic. For pthread_exit() moved some logic higher in the exit sequence that could be required to block. For lower level logic kicked off by _exit(), add logic to prevent blocking when the task is not in a healthy state. 2013-04-23 16:41:43 -06:00
Gregory Nutt
5187631e30 _exit() should not call atexit() or on_exit() functions; Rename task_deletecurrent() to task_exit() 2013-04-18 16:15:20 -06:00
patacongo
3bf2c1b355 Change prototypes of up_create_stack and up_release_stack to include a task type parameter 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5765 42af7a65-404d-4744-a932-0658087f49c3
 2013-03-20 18:22:21 +00:00
patacongo
1ef904003e Create sched_ufree and sched_kfree from sched_free; Use user-accessible heap to allocae stacks 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5725 42af7a65-404d-4744-a932-0658087f49c3
 2013-03-10 15:32:33 +00:00
patacongo
4134862fb2 Move work queue logic from sched/ to libc/wqueue. It is not core logic and will be extended to support user-space work queues 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5711 42af7a65-404d-4744-a932-0658087f49c3
 2013-03-05 18:57:51 +00:00
patacongo
5c093af766 Changed needed to fix issues with task_restart() 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5615 42af7a65-404d-4744-a932-0658087f49c3
 2013-02-06 15:43:28 +00:00
patacongo
7b3ec4e146 Divide struct tcb_s into structs task_tcb_s and pthread_tcb_s 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5611 42af7a65-404d-4744-a932-0658087f49c3
 2013-02-04 21:24:00 +00:00
patacongo
b48009644f Rename _TCB to struct tcb_s 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5610 42af7a65-404d-4744-a932-0658087f49c3
 2013-02-04 18:46:28 +00:00
patacongo
329328e5df New interface task_spawn(); exec_builtin() now uses task_spawn(); All argv types should be char * const * not const char ** 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5598 42af7a65-404d-4744-a932-0658087f49c3
 2013-02-02 19:31:30 +00:00
patacongo
4c3b71131e Move socket data from TCB to task group structure. 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5570 42af7a65-404d-4744-a932-0658087f49c3
 2013-01-26 23:49:02 +00:00
patacongo
d5582f35af Fix a recently introduced memory leak 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5568 42af7a65-404d-4744-a932-0658087f49c3
 2013-01-26 21:01:19 +00:00
patacongo
0cefbf4762 Move environment variables in the task group structure 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5565 42af7a65-404d-4744-a932-0658087f49c3
 2013-01-25 23:21:27 +00:00
patacongo
c9752dfb87 Add logic to send SIGCHLD to all members of a task group 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5564 42af7a65-404d-4744-a932-0658087f49c3
 2013-01-25 20:00:37 +00:00
patacongo
a35fcc5970 Add logic to keep track of members of a task group 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5563 42af7a65-404d-4744-a932-0658087f49c3
 2013-01-25 19:15:05 +00:00
patacongo
03fd50017d Add framework to support task groups 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5562 42af7a65-404d-4744-a932-0658087f49c3
 2013-01-25 17:23:38 +00:00
patacongo
caf5fdf217 Fix some missing logic and inconsistencies in child status logic; Fix a bug introduced into sigaction() 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5560 42af7a65-404d-4744-a932-0658087f49c3
 2013-01-24 23:18:32 +00:00
patacongo
3736ae6ba9 Add logic to retain child task exit status if so configured 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5553 42af7a65-404d-4744-a932-0658087f49c3
 2013-01-23 22:23:46 +00:00
patacongo
21817ecc38 lpc1788 update from Rommel Marcelo; Beginning of logic to retain child exit status 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5549 42af7a65-404d-4744-a932-0658087f49c3
 2013-01-22 23:42:51 +00:00
patacongo
29cdbe6143 Beginnings of definitions for the LPC1788; convert olimex-lpc1766stk to use kconfig-frontends 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5533 42af7a65-404d-4744-a932-0658087f49c3
 2013-01-18 16:37:37 +00:00
patacongo
3888a00d2d Add internal API task_reparent(), used in posix_spawn(). Move libc/spawn/lib_ps.c to sched/task_posixspawn.c; Move libc/spawn/spawn.h to include/nuttx/spawn.h 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5531 42af7a65-404d-4744-a932-0658087f49c3
 2013-01-18 01:52:42 +00:00
patacongo
b8e53dad52 Use SIGCHLD with waitpid(); implemented wait() and waitid() 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5515 42af7a65-404d-4744-a932-0658087f49c3
 2013-01-13 18:53:00 +00:00
patacongo
622455d762 Fix STM32 F2/F4 SDIO clocking; Clean-up files in sched/ directory 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4940 42af7a65-404d-4744-a932-0658087f49c3
 2012-07-14 19:30:31 +00:00
patacongo
98f6034444 Updated comments; starting to implement priority protection but backed everything out but some changes to comments 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4510 42af7a65-404d-4744-a932-0658087f49c3
 2012-03-23 20:14:21 +00:00
patacongo
b2005c1473 Fixes for good C++ link 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4054 42af7a65-404d-4744-a932-0658087f49c3
 2011-10-19 19:35:21 +00:00
patacongo
38009a3772 Fix message queue/signal handling bugs 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3849 42af7a65-404d-4744-a932-0658087f49c3
 2011-08-07 12:58:54 +00:00
patacongo
ae8cfb1bf1 atexit() functions now called when task killed by task delete; For MCUs with <= 64Kb of SRAM, CONFIG_MM_SMALL can be defined to reduce the memory allocation overhead 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3648 42af7a65-404d-4744-a932-0658087f49c3
 2011-05-28 21:42:18 +00:00
patacongo
0374d16b98 I2C fixes from Uros; USB serial fix from Sheref; + A little more kernel mode stuff 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3479 42af7a65-404d-4744-a932-0658087f49c3
 2011-04-07 21:22:06 +00:00
patacongo
9c87c9e93e Add support for kernel-mode threads 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3478 42af7a65-404d-4744-a932-0658087f49c3
 2011-04-07 14:39:55 +00:00
patacongo
0f7afd2932 More apps/ related changes 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3372 42af7a65-404d-4744-a932-0658087f49c3
 2011-03-12 17:49:47 +00:00
patacongo
b1c00675cb Completes demand paging core implementation 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2853 42af7a65-404d-4744-a932-0658087f49c3
 2010-08-15 15:02:45 +00:00
patacongo
a350286c7c Switching to C99 stdbool.h types 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2339 42af7a65-404d-4744-a932-0658087f49c3
 2009-12-14 21:15:18 +00:00
patacongo
12ae4d2bd7 Switching to C99 stdint.h types 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2336 42af7a65-404d-4744-a932-0658087f49c3
 2009-12-14 18:39:29 +00:00
patacongo
4686cc55fa types blkcnt_t and off_t should not depend on memory model; Remove non-standard type STATUS 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2330 42af7a65-404d-4744-a932-0658087f49c3
 2009-12-13 18:01:46 +00:00
patacongo
64e5bef2f6 Incorporate the work thread 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2230 42af7a65-404d-4744-a932-0658087f49c3
 2009-11-05 22:58:36 +00:00
patacongo
dcf1176284 More priority inheritance logic 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1593 42af7a65-404d-4744-a932-0658087f49c3
 2009-03-12 01:53:20 +00:00
patacongo
367beee228 Repartition functionality in preparation for nested, pending reprioritization 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1591 42af7a65-404d-4744-a932-0658087f49c3
 2009-03-10 23:52:46 +00:00
patacongo
327cdee632 Improve internal priority setting logi 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1587 42af7a65-404d-4744-a932-0658087f49c3
 2009-03-10 01:13:35 +00:00
patacongo
166b4da551 Add support for priority inheritance 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1581 42af7a65-404d-4744-a932-0658087f49c3
 2009-03-08 23:33:41 +00:00
patacongo
ac37ac75e0 errno now defined to be *get_errno_ptr() 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@607 42af7a65-404d-4744-a932-0658087f49c3
 2008-02-01 21:23:19 +00:00
patacongo
9654e2d4b4 errno was clobbered by mm_trysemaphore when task exists 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@591 42af7a65-404d-4744-a932-0658087f49c3
 2008-01-30 18:49:31 +00:00
patacongo
83f36eac7d Changes for ZNeo compile 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@539 42af7a65-404d-4744-a932-0658087f49c3
 2008-01-09 14:20:31 +00:00
patacongo
01207cc66e Added network init; refactored some header files 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@338 42af7a65-404d-4744-a932-0658087f49c3
 2007-09-09 11:58:50 +00:00
patacongo
29aeec7b8a Added support for socket descriptors 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@318 42af7a65-404d-4744-a932-0658087f49c3
 2007-09-01 18:06:15 +00:00
patacongo
7a1f5f61bd Add new pthread_* APIs 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@134 42af7a65-404d-4744-a932-0658087f49c3
 2007-03-23 23:22:22 +00:00