Commit Graph

40 Commits

Author SHA1 Message Date
Patrik Flykt 4344e27c26 all: Update reserved function names
Update reserved function names starting with one underscore, replacing
them as follows:
   '_k_' with 'z_'
   '_K_' with 'Z_'
   '_handler_' with 'z_handl_'
   '_Cstart' with 'z_cstart'
   '_Swap' with 'z_swap'

This renaming is done on both global and those static function names
in kernel/include and include/. Other static function names in kernel/
are renamed by removing the leading underscore. Other function names
not starting with any prefix listed above are renamed starting with
a 'z_' or 'Z_' prefix.

Function names starting with two or three leading underscores are not
automatcally renamed since these names will collide with the variants
with two or three leading underscores.

Various generator scripts have also been updated as well as perf,
linker and usb files. These are
   drivers/serial/uart_handlers.c
   include/linker/kobject-text.ld
   kernel/include/syscall_handler.h
   scripts/gen_kobject_list.py
   scripts/gen_syscall_header.py

Signed-off-by: Patrik Flykt <patrik.flykt@intel.com>
2019-03-11 13:48:42 -04:00
Charles E. Youse 3522e05f76 posix/pthreads: fix pthread_barrier_wait() behavior to match Posix
Exactly one caller of pthread_barrier_wait() should receive a return
value of PTHREAD_BARRIER_SERIAL_WAIT; all others should receive zero
(or an error code). Added a test to match.

Fixes: #9953

Signed-off-by: Charles E. Youse <charles.youse@intel.com>
2019-03-02 03:40:06 +01:00
Kumar Gala 29dac2233e lib: posix: Fix compile error with time.h and older newlib
Some older variants of newlib (like what we have on xtensa or riscv in
SDK 0.9.5) define timespec and itimerspec in sys/types.h.  The timespec
can be handled by a check of __timespec_defined.  However itimerspec
doesn't have anything similar so we have to do it by newlib version
info.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-02-23 11:42:31 -06:00
Kumar Gala 6cc5722a61 lib: posix: Fix compile error with mqueue.h
With newer newlib we get a build error with mqueue.h realted to mode_t.
Let's just let newlib define mode_t and have minimal libc also define
it in sys/types.h.  So we remove the duplicated definition in
posix/unistd.h.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-02-23 11:42:31 -06:00
Kumar Gala e96d02984c lib: posix: Fix compile issue with newer newlib
Both SDK 0.10.0-beta2 and the ARM gcc 2018q2 run into a build issue with
newlib and conflict definitions of mode_t type.

First we need to add some ifdef protection if mode_t is already defined
and set _MODE_T_DECLARED if we are the first to define it.

Secondarily, we rename include/posix/sys/types.h to
include/posix/posix_types.h so that we aren't getting a name collusion
with the system sys/types.h and that we can easily and clearily include
it (which we need to do to pull in the info from newlib).

Fixes: #12224

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-02-22 11:55:01 -06:00
Anas Nashif 04743c9a79 posix: rename priority in sched_param struct
Priority member in the sched_param struct should be named
sched_priority.

Fixes #13470

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2019-02-19 11:24:45 -05:00
Paul Sokolovsky b6e58d54c9 lib: posix: fs: Convert to use generic fdtable
All the handling of POSIX file descriptors is now done by fdtable.c.
fs.c still manages its own table of file structures of the underlying
fs lib.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
2018-11-04 22:04:11 +01:00
Paul Sokolovsky 14ddff2457 include: posix: time: Explicitly include from <posix/...>
Some ports, e.g. nios2, have POSIXish headers (e.g. signal.h) in
their toolchains, which get includeded otherwise, and cause
definition conflicts.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
2018-10-09 08:19:44 -04:00
Paul Sokolovsky 475327f5a3 include: posix: time: Don't use from-curdir includes ('""' vs '<>')
From-current-dir includes like "sys/types.h" are dangerous - they
turn out to cause #include_next directive to not work as expected -
instead of including next file (which is in our case should be
libc's), it will include the same file once again (apparently
because with #include "", a file is found from the current dir,
so next search will countinue with -Iinclude/posix, and find
sys/types.h there again).

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
2018-10-09 08:19:44 -04:00
Paul Sokolovsky 7f9127578b include: posix: unistd: Fix prototypes and dependency
For read/write/lseek, use size_t and off_t types, as mandated by
POSIX:
http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/unistd.h.html

Also, prototypes of unistd.h functions should not depend on
CONFIG_POSIX_FS, as (many) of them deal with generic I/O, not with
files in filesystem per se.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
2018-10-09 08:19:44 -04:00
Paul Sokolovsky 0fd8a47a19 include: posix: mqueue: Rely on O_RDWR and friends defines in sys/stat.h
Don't duplicate definitions.

This fixes build errors due to redifinitions of preprocessor symbols.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
2018-10-02 10:51:52 -07:00
Paul Sokolovsky 767f58a2ee include: posix: signal: Make sigev_notify_attributes depend on pthreads
If pthreads support is not enabled, don't provide pthread-specific
bits of signal semantics, just plain old signal features.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
2018-10-02 10:51:52 -07:00
Paul Sokolovsky e8f570ff9a include: posix: stat: Don't depend on CONFIG_PTHREAD_IPC
Not related to pthreads. Don't depends on CONFIG_POSIX_FS either,
as stats defines may apply to special files (devices, etc.) too.
Instead, depend on CONFIG_POSIX_API.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
2018-10-02 10:51:52 -07:00
Paul Sokolovsky c152ebd634 include: posix: Split dirent.h from unistd.h
From POSIX
http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/dirent.h.html

"""
The <dirent.h> header shall define the following type:
DIR

...

also define the structure dirent
"""

etc.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
2018-10-02 10:51:52 -07:00
Paul Sokolovsky 260fbc4249 include: posix: types: Move some defs out of #ifdef CONFIG_PTHREAD_IPC
useconds_t, clockid_t, timer_t are not related to pthreads.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
2018-10-02 10:51:52 -07:00
Flavio Ceolin 67ca176754 headers: Fix headers across the project
Any word started with underscore followed by and uppercase letter or a
second underscore is a reserved word according with C99.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
2018-09-17 15:49:26 -04:00
David Brown 9d6f1c600f lib: posix: clock: Implement clock_settime
Set a base time, using the current uptime.

Signed-off-by: David Brown <david.brown@linaro.org>
2018-09-11 09:21:52 -04:00
David Brown e0dda1b4b0 lib: posix: clock: Add gettimeofday() call
Provide an implementation of gettimeofday().  This uses clock_gettime()
with the CLOCK_REALTIME parameter, which is currently unimplemented, but
will allow clients to call this function once this functionality has
been implemented.

Signed-off-by: David Brown <david.brown@linaro.org>
2018-09-11 09:21:52 -04:00
Niranjhana N 414c39fc94 posix: add pthread_key and pthread_once APIs
Added 4 new pthread_key APIs for thread-specific data
key creation, deletion, setting and getting the values.

Added a key list to the posix_struct for threads.

Added pthread_once API.

Signed-off-by: Niranjhana N <niranjhana.n@intel.com>
2018-07-19 08:46:33 -04:00
Andy Ross f4b6daff4b lib/posix: Port wait_q usage to new API
The pthread mutex changes went in with an adaptation to build with the
new wait queue API, but they did it by using the old dlist hooks
directly through typecasting and union assignment.  That... is sort of
the opposite of the intent to having the new API be abstracted.  The
pthread code worked, but failed once wait queues (on x86) stopped
being dlists.

Simple fix once I saw the problem, anyway.

Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
2018-05-19 07:00:55 +03:00
Leandro Pereira 0f1d30aa67 lib: posix: Do not redefine PATH_MAX in unistd.h
This constant should be defined in limits.h.  Define it in limits.h in
the minimal libc, and use the definition found in newlib's includes.
Values in newlib includes range from 1024 to 4096.

The rationale is that all code should use the same value; having
buffers specified with different sizes will lead to interoperability
and out of bounds array writes.

Signed-off-by: Leandro Pereira <leandro.pereira@intel.com>
2018-05-19 06:59:40 +03:00
Punit Vara eb8ba696d2 lib: posix: Implement posix mutex APIs
Add posix apis for mutex.

Signed-off-by: Punit Vara <punit.vara@intel.com>
2018-05-18 23:02:28 +03:00
Ramakrishna Pallala eb0aaca64d lib: posix: Add Posix Style File System API support
Add IEEE 1003.1 Posix Style file system API support.
These API's will internally use corresponding Zephyr
File System API's.

Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
2018-05-18 13:32:36 +03:00
Andy Ross ccf3bf7ed3 kernel: Fix sloppy wait queue API
There were multiple spots where code was using the _wait_q_t
abstraction as a synonym for a dlist and doing direct list management
on them with the dlist APIs.  Refactor _wait_q_t into a proper opaque
struct (not a typedef for sys_dlist_t) and write a simple wrapper API
for the existing usages.  Now replacement of wait_q with a different
data structure is much cleaner.

Note that there were some SYS_DLIST_FOR_EACH_SAFE loops in mailbox.c
that got replaced by the normal/non-safe macro.  While these loops do
mutate the list in the code body, they always do an early return in
those circumstances instead of returning into the macro'd for() loop,
so the _SAFE usage was needless.

Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
2018-05-18 01:48:48 +03:00
Ramakrishna Pallala f603e603bb lib: posix: Move posix layer from 'kernel' to 'lib'
Move posix layer from 'kernel' to 'lib' folder as it is not
a core kernel feature.

Fixed posix header file dependencies as part of the move and
also removed NEWLIBC related macros from posix headers.

Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
2018-04-05 16:43:05 -04:00
Youvedeep Singh f762fdf482 kernel: posix: move sleep and usleep functions into c file.
Currently sleep and usleep functions are into unistd.h file.
unistd includes toold chain secific unistd.h file and this file
too has declaration for these functions. This is in conflict when
posix specific unistd.h is included.

Signed-off-by: Youvedeep Singh <youvedeep.singh@intel.com>
2018-04-05 08:15:55 -04:00
Youvedeep Singh 4a8b2d2d2f kernel: POSIX: Compatibility layer for POSIX message queue APIs.
This patch provides POSIX message queue APIs for POSIX
1003.1 PSE52 standard.

Signed-off-by: Youvedeep Singh <youvedeep.singh@intel.com>
2018-04-03 15:30:44 -04:00
Youvedeep Singh 43383701ca include: posix: correcting the return type of sleep.
Currently return type of sleep is int, but as per POSIX 1003.1 it
should be unsigned.

Signed-off-by: Youvedeep Singh <youvedeep.singh@intel.com>
2018-03-26 09:50:17 -04:00
Juan Manuel Torres Palma 342da7ac72 posix: semaphore: fix bugs and simplify code
Modifies several functions that are causing wrong
behaviour.

 * semaphore.h: add missing restrict keyword.
 * sem_destroy(): check that nobody is waiting
   before destroying the object.
 * sem_timedwait(): simpify function logic and
   fix a bug when abstime > currtime, that passed
   ticks instead of ms to k_sem_take().
 * sem_wait(): avoid unnecessary checks.
 * sem_init(): add pshared value assertion.

Signed-off-by: Juan Manuel Torres Palma <j.m.torrespalma@gmail.com>
2018-03-21 14:27:47 -07:00
Punit Vara a74725f1d3 kernel: Add posix API for semaphore
Add semaphore posix APIs.

Signed-off-by: Punit Vara <punit.vara@intel.com>
2018-03-05 20:51:36 -05:00
Youvedeep Singh 216883ca82 kernel: POSIX: Compatibility layer for POSIX read-write lock APIs.
This patch provides POSIX read-write lock APIs for POSIX 1003.1
PSE52 standard.

Signed-off-by: Youvedeep Singh <youvedeep.singh@intel.com>
2018-03-05 19:27:37 -05:00
Youvedeep Singh 8d040f1bcb kernel: POSIX: Compatibility layer for POSIX timer APIs.
This patch provides POSIX timer APIs for POSIX 1003.1 PSE52 standard.

Signed-off-by: Youvedeep Singh <youvedeep.singh@intel.com>
2018-02-21 19:17:28 -05:00
Youvedeep Singh 7903c84694 kernel: POSIX: removing unused elements from POSIX object attribute.
This patch removes unused member element from POSIX object attributes
(mutex, condition variable and barrier).

Signed-off-by: Youvedeep Singh <youvedeep.singh@intel.com>
2018-02-21 19:17:28 -05:00
Youvedeep Singh d50b1fe981 kernel: POSIX: Compatibility layer for POSIX clock APIs.
This patch provides POSIX clock APIs for POSIX 1003.1 PSE52 standard.

Signed-off-by: Youvedeep Singh <youvedeep.singh@intel.com>
2018-02-21 19:17:28 -05:00
Youvedeep Singh 1f2e126d4d kernel: POSIX: Compatibility layer for POSIX sleep APIs.
This patch provides POSIX sleep APIs for POSIX 1003.1 PSE52 standard.
sleep(n) is implemented using Zephyr k_sleep API.
uleep(n) is implemented using Zephyr k_sleep/k_busy_Wait API.

Signed-off-by: Youvedeep Singh <youvedeep.singh@intel.com>
2018-02-21 19:17:28 -05:00
Youvedeep Singh 7eabf1025c kernel: POSIX: Compatibility layer for scheduler APIs.
This patch provides scheduler APIs for POSIX 1003.1 PSE52 standard.

Signed-off-by: Youvedeep Singh <youvedeep.singh@intel.com>
2018-02-21 19:17:28 -05:00
Youvedeep Singh c8aa6570c1 kernel: POSIX: Compatibility layer for pthread APIs.
This patch provides pthread APIs for POSIX 1003.1 PSE52 standard.

Signed-off-by: Youvedeep Singh <youvedeep.singh@intel.com>
2018-02-21 19:17:28 -05:00
Youvedeep Singh abc94b8597 kernel: POSIX: moving POSIX related typedef into sys/types.h file.
As per POSIX standard typedef should be part of sys/types.h file.
So moving typedef from pthread.h to sys/types.h file.

Signed-off-by: Youvedeep Singh <youvedeep.singh@intel.com>
2018-02-21 19:17:28 -05:00
Youvedeep Singh 325abfbcf4 kernel: POSIX: Fixing return value of POSIX APIs on error.
As per IEEE 1003.1 POSIX APIs should return ERROR_CODE on error.
But currently these are returning -ERROR_CODE instead of ERROR_CODE.
So fixing the return value.

Signed-off-by: Youvedeep Singh <youvedeep.singh@intel.com>
2018-02-21 19:17:28 -05:00
Anas Nashif 274ad46a84 kernel: move posix header to posix/
Having posix headers in the default include path causes issues with the
posix port. Move to a sub-directory to avoid any conflicts.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2017-12-27 14:16:08 -05:00