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104 Commits

Author SHA1 Message Date
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
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
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
ec755a4091 SYSCALLS: Correct a bad function prototype generated in PROTECTED mode with kernel modules enabled. 2017-01-23 14:04:32 -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
73fc186beb sem_setprotocol: Handle a case of missing proxy for sem_setprotocol. Reorder so that (1) this error is avoided, and (2) >No proxy is needed if priority inheritance is not enabled. 2016-11-03 18:51:38 -06:00
Gregory Nutt
4c8ec0d2ca include/nuttx/semaphore.h: Fix broken macros 2016-11-03 12:49:44 -06:00
Gregory Nutt
d5b4d848d3 Move protoypes for the non-standard include/semaphore.h file to the non-standard include/nuttx/semaphore.h with the other non-standard semaphore interfaces. 2016-11-02 14:43:03 -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
4b4dbc79a2 Move driver related prototypes out of include/nuttx/fs/fs.h and into new include/drivers/drivers.h 2016-07-20 13:15:37 -06:00
Gregory Nutt
e73e82a923 Move prototypes of mkfifo2() from sys/stat.h and pipe2() from unistd.h. They are non-standard and should not be in such a public place. They are not in include/nuttx/fs/fs.h (which isn't a great place either). 2016-07-20 11:57:18 -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
c373b45b21 _vsyslog PROXY: Wrong header file 2016-06-21 16:53:54 -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
7dd66a4620 Need to pass va_list as a reference to vsyslog. This is because va_list is a structure in some compilers and passing of structures in the NuttX sycalls does not work. 2016-06-19 14:50:00 -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
f348e68069 Update to use 64-bit timer when available 2016-01-21 11:54:26 -06:00
Gregory Nutt
435d7597cf sycalls: Fix some missing quotes in the syscall CSV file 2015-12-15 17:49:07 -06:00
Gregory Nutt
3beff9568e Module: Fix up system calls for changes to insmod prototype 2015-12-13 08:12:28 -06:00
Gregory Nutt
795ddd7e80 OS modules: Add basic procfs support. A module registry that will eventually be used to support lsmod 2015-12-12 17:42:25 -06:00
Gregory Nutt
303123deb9 Add syscall support for insmod and rmmod 2015-12-12 11:11:09 -06:00
Pavel Pisa
9ab3f03153 Define some symbol export conditions, correct errno and add sleep and usleep. From Pavel Pisa 2015-08-23 09:05:40 -06:00
Gregory Nutt
ed004be6d0 Clean up some syscall logic that has changed due to revised netdb configuration 2015-07-10 15:41:20 -06:00
Gregory Nutt
c19fd13291 gethostname() should not be the system call, uname() should and gethostname should get the host name from uname 2015-07-05 10:41:58 -06:00
Gregory Nutt
f31a96cfbf Add system calls for gethostname and sethostname 2015-07-05 08:42:32 -06:00