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86 Commits

Author SHA1 Message Date
Gregory Nutt
0951151c33 libs/libc/pthread, syscall/, and include/sys/syscall.h: Support for pthread_mutex_timedlock() was added recently, however no new system call was added for the API make is usable only in the FLAT build. With a pthread_mutex_timedlock() system call, there is no reason for a pthread_mutex_lock() system call since it is now nothing more than an wrapper around pthread_mutex_timedlock(), passing NULL for the time value. The pthread_mutex_lock() syscall was removed and the pthread_mutex_lock() implemented was moved from /sched/pthread to where it now belows in libs/libc/pthread. 2019-02-25 18:19:13 -06:00
Gregory Nutt
d743ca0896 syscall/syscall_lookup.h: Fix a newly introduced warning found in build testing. 2019-02-11 18:08:49 -06:00
Gregory Nutt
a64869aa67 CONFIG_NFILE_DESCRIPTORS=0 can no longer be used to disable the file system. NuttX with no file system does not make sense. 
Squashed commit of the following:

    configs/:  The few configurations that formerly set CONFIG_NFILE_DESCRIPTORS=0 should not default, rather they should set the number of descriptors to 3.
    fs/:  Remove all conditional logic based on CONFIG_NFILE_DESCRIPTORS == 0
    tools/:  Tools updates for changes to usage of CONFIG_NFILE_DESCRIPTORS.
    syscall/:  Remove all conditional logic based on CONFIG_NFILE_DESCRIPTORS == 0
    libs/:  Remove all conditional logic based on CONFIG_NFILE_DESCRIPTORS == 0
    include/:  Remove all conditional logic based on CONFIG_NFILE_DESCRIPTORS == 0
    drivers/:  Remove all conditional logic based on CONFIG_NFILE_DESCRIPTORS == 0
    Documentation/:  Remove all references to CONFIG_NFILE_DESCRIPTORS == 0
    binfmt/:  Remove all conditional logic based on CONFIG_NFILE_DESCRIPTORS == 0
    arch/:  Remove all conditional logic based on CONFIG_NFILE_DESCRIPTORS == 0
    net/:  Remove all conditional logic based on CONFIG_NFILE_DESCRIPTORS == 0
    sched/:  Remove all conditional logic based on CONFIG_NFILE_DESCRIPTORS == 0
    sched/Kconfig:  CONFIG_NFILE_DESCRIPTORS may no longer to set to a value less than 3
    configs/:  Remove all settings for CONFIG_NFILE_DESCRIPTORS < 3
 2019-02-11 12:09:26 -06:00
dongjianli
057d555129 sched/signal and syscall/: Add support for pselect() and ppoll() functions 2018-11-08 07:45:23 -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
Gregory Nutt
f090bbba57 syscall/: Add support for getpeername() and get_sockname() system calls. 2018-07-19 07:30:01 -06:00
Gregory Nutt
c65e1aa3df Squashed commit of the following: 
syscalls/:  Add syscall support for if_nametoindex() and if_indextoname()
    net/: Update some comments.
 2018-06-25 12:41:28 -06:00
Gregory Nutt
8fca244f36 syscall: clock_systimer() is no longer a system call. It has been replaced with the equivalent, standard interface clock() as the system call. 
sched/clock:  Move the implementation of clock() from libs/libc/time to sched/clock.  This is necessary because it calls the (now) internal OS function clock_systimer.  clock() is now accessed only via a system call in certain configuratins.
libs/libc/wqueue:  Replace calls to clock_systimer() with calls to the equivalent clock().
 2018-06-16 12:50:28 -06:00
Gregory Nutt
de6b13b3ab Per OpenGroup.org, syslog -- and, hence, nonstandard vsyslog, and debug wrappers -- does not return a value. Rename _vsyslog to nx_vsyslog. Use internal nx_vsyslog in the few cases where a return value is required. 2018-03-04 08:07:07 -06:00
Gregory Nutt
e4652bd3dc Squashed commit of the following: 
fs: Add truncate() support for userfs
    fs/unionfs:  Add truncate() support to the unionfs
    fs/tmpfs:  Add ftruncate() support to tmpfs
    syscall/: Add system call support for ftruncate()
    net/route:  Adding ftruncate() support eliminates an issue in file-based routing table management.
    fs:  Add basic framework to support truncate() and ftruncate().  The infrastructure is complete.  Now, however, the actual implementation of ftruncate() will have to be done for each file system.
 2018-01-03 16:03:56 -06:00
Gregory Nutt
35ee844590 sched/signal/sig_nanosleep.c and libc/time/lib_nanosleep.c: Implement clock_nanosleep(). nanosleep() is now reduced to a libc wrapper around clock_nanosleep(). 2017-11-11 17:44:59 -06:00
Gregory Nutt
7154fc09ff syscall/: Fix some backward conditional compilation 2017-10-07 07:46:42 -06:00
Gregory Nutt
5b04c25dcd drivers/serial/tcdrain: tcdrain() was recently added to the NuttX C library. But there is a problem. The specification of tcdrain() requires that it be a cancellation point. In order to do this, tcdrain was moved from the C library into the OS and the addition cancellation point hooks were added. In non-FLAT builds, access via system calls is also now supported. 2017-10-06 10:55:36 -06:00
Gregory Nutt
8e966546c1 syscall/: The non-standard interface exec() is now enshrined as a official NuttX API. I really dislike doing this but I think that this is probably the only want to load programs in the protected mode. It is currently used by some example code under apps/ that generate their own symbol tables for linking. Other file execution APIs relay on a symbol table provided by the OS. In the protected mode, the OS cannot provide any meaning symbol table for execution of code in the user-space blob so that is they exec() is really needed in that build case. And, finally, the interface is completely useless and will not be supported in the KERNEL build mode where the contrary is true: An application process cannot provide any meaning symbolic information for use in linking a different process. 2017-10-03 07:09:35 -06:00
Gregory Nutt
23a6ff5846 pthreads: Move pthread_barrier_init, pthread_barrier_destroy, and pthread_barrier_wait from sched/pthreads to libc/pthreads. This just coordinate other OS interface calls but are not a fundamental OS interfaces and, hence, do not belong within the OS. 2017-06-14 07:59:54 -06:00
Gregory Nutt
ae168bffa0 pthreads: Move pthread_cond_init and pthread_cond_destory from sched/pthreads to libc/pthreads. This just coordinate other OS interface calls but are not a fundamental OS interfaces and, hence, do not belong within the OS. 2017-06-14 07:48:45 -06:00
Gregory Nutt
557fd6504f pthreads: Move pthread_once from sched/pthreads to libc/pthreads. pthread_once just coordinates other OS interface calls but is not a fundamental OS interface and, hence, does not belong within the OS. 2017-06-14 07:31:10 -06:00
Gregory Nutt
8ae5450268 pthreads: Move pthread_yield from sched/pthreads to libc/pthreads. it is a simple wrapper for sched_yield and does not belong within the OS. 2017-06-14 07:31:10 -06:00
Jussi Kivilinna
dffb8a67e3 Add entropy pool and strong random number generator 
Entropy pool gathers environmental noise from device drivers, user-space, etc., and returns good random numbers, suitable for cryptographic use. Based on entropy pool design from *BSDs and uses BLAKE2Xs algorithm for CSPRNG output.

Patch also adds /dev/urandom support for using entropy pool RNG and new 'getrandom' system call for getting randomness without file-descriptor usage (thus avoiding file-descriptor exhaustion attacks). The 'getrandom' interface is similar as 'getentropy' and 'getrandom' available on OpenBSD and Linux respectively.
 2017-03-30 07:38:37 -06:00
Gregory Nutt
7dea99ff9d Parts of last syscall commit that were omitted. 2017-03-27 09:38:27 -06:00
Gregory Nutt
4800d3f545 Add syscall support for pthread_mutex_consistent() 2017-03-27 09:36:03 -06:00
Gregory Nutt
74160ccc4e Add syscall support for fstatfs. 2017-02-17 08:46:07 -06:00
Gregory Nutt
e7404280e8 fstat(): Add syscall support 2017-02-14 10:44:01 -06:00
Gregory Nutt
4417e74977 Soft links: Add an (untested) implementation of readlink() 2017-02-03 13:57:12 -06:00
Gregory Nutt
b39d962021 Soft links: Update Documentation, rename file, add system calls 2017-02-02 17:11:08 -06:00
Gregory Nutt
34e539926a Syscalls: Remove modsym() syscall. There is no reason why appication code could ever use symbolic information from a symbol within a kernel module. The modsym() interface is only meaningful within the kernel. 2017-01-28 11:03:06 -06:00
Gregory Nutt
4574a1ca42 Modules: Extend the module interface so that we can access symbols exported by the module. 2017-01-22 14:26:22 -06:00
Gregory Nutt
d648f9c8b4 Add task_testcancel() 2016-12-10 16:34:14 -06:00
Gregory Nutt
f132960789 Add task_setcanceltype() 2016-12-10 16:06:14 -06:00
Gregory Nutt
5fb207eb36 Add task_setcancelstate() 2016-12-10 15:16:46 -06:00
Gregory Nutt
e62b3bccd3 pthread_setcanceltype() and pthread_testcancel() do not have to be system calls if cancellation points are not enabled. 2016-12-10 07:40:48 -06:00
Gregory Nutt
1b2135a90a Add pthread_setcanceltype() and pthread_testcancel() as system calls. 2016-12-10 07:12:11 -06:00
Gregory Nutt
a1fbc2ad0d pthreads: Add pthread_cleanup_push() and pthread_cleanup_pop() 2016-12-08 09:27:13 -06:00
Gregory Nutt
b738a646ad sem_getprotocol() can be in C library 2016-11-02 09:29:16 -06:00
Gregory Nutt
92d3022411 Add pthread_mutexattr_get/set_protocol and non-standard sem_get/set_protocol. These may use to enable or disable priority inheritance on a single semaphore. 2016-11-02 09:05:18 -06:00
Gregory Nutt
309480d0f9 Merge branch 'timekeeping' of bitbucket.org:nuttx/nuttx 2016-07-28 09:34:00 -06:00
Gregory Nutt
cf1d0e3222 Grrr.. more errors in same conditional compilation 2016-07-20 15:34:53 -06:00
Gregory Nutt
3218862616 Fix some backward conditional compilation 2016-07-20 15:32:56 -06:00
Gregory Nutt
bfc664af49 Fix pipe2() and mkfifo2() syscall logic 2016-07-20 15:26:54 -06:00
Gregory Nutt
b28fa8a609 Move pipe() and mkpipe() to nuttx/libc. Change syscalls to pipe2() and mkfifo2() 2016-07-19 14:15:26 -06:00
Gregory Nutt
246773faa7 Rename CONFIG_SCHED_TIMEKEEPING to CONFIG_CLOCK_TIMEKEEPING. That is a better compartmentalized name. 2016-07-11 06:54:02 -06:00
Gregory Nutt
f47b69e1f0 Add support for adjtime system call 2016-07-10 16:55:32 -06:00
Gregory Nutt
505ca542e8 Remove some last traces of lowvsyslog that were missed; Add a SYSLOG emergency channel for handling assertion output more cleanly 2016-06-20 16:11:50 -06:00
Gregory Nutt
34f776dce9 Move the OS intensive part of vsyslog and vlowsyslog to drivers/syslog/vsyslog.c and vlowsyslog.c. Also move lib_syslogstrem to drivers/syslog/syslogstream.c 2016-06-19 07:56:24 -06:00
Gregory Nutt
f5e5908a70 vsyslog is now a system call 2016-06-19 07:03:44 -06:00
Gregory Nutt
5a590e99b9 Add SYSCALLS for pthread_setaffinity() and pthread_getaffinity() 2016-02-19 18:13:06 -06:00
Gregory Nutt
032ad1b70b Remove clock_systimer32 and clock_systimer64. There is now only clock_systimer 2016-01-21 16:49:24 -06:00
Gregory Nutt
19919d630b Yet another error introduced with last clock_systimer changes 2016-01-21 14:09:06 -06:00
Gregory Nutt
f348e68069 Update to use 64-bit timer when available 2016-01-21 11:54:26 -06:00
Gregory Nutt
3beff9568e Module: Fix up system calls for changes to insmod prototype 2015-12-13 08:12:28 -06:00