Commit graph

12 commits

Author SHA1 Message Date
Chris Friedt
e75f285bd1 posix: add timespec_is_valid() private internal function
Add a common private function timespec_is_valid() that
can be used to check if a timespec object is valid, and
use that consistently in lib/posix/options.

Signed-off-by: Chris Friedt <cfriedt@tenstorrent.com>
2025-04-24 22:58:43 +02:00
Chris Friedt
fffbd76683 posix: declare timespec_to_timeoutms() in posix_clock.h
Provide a single declaration of timespec_to_timeoutms() (which is
a private function), in the private header file posix_clock.h .

Signed-off-by: Chris Friedt <cfriedt@tenstorrent.com>
2025-04-24 22:58:43 +02:00
Daniel Leung
f81add2f65 posix: pin init functions and data for demand paging
Boot time initialization functions and data used there must be
available at boot. With demand paging, these may not exist in
memory when they are being used, resulting in page faults.
So pin these functions and data in linker sections to make
sure they are in memory at boot time.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2025-01-11 04:36:38 +01:00
Chris Friedt
7506274ef2 posix: use sys_sem instead of k_spinlock for pool synch
Based on Andy's talk at eoss 2024, use the sys/sem.h api instead
of the spinlock.h api to synchronize pooled elements since it
has minimal overhead like semaphores but also works from
userspace.

Signed-off-by: Chris Friedt <cfriedt@tenstorrent.com>
2024-10-03 17:07:05 +01:00
Yong Cong Sin
8e1ac56847 lib: posix: mutex: stubs remaining of _POSIX_THREAD_PRIO_PROTECT
Create stub functions for the remaining of
`_POSIX_THREAD_PRIO_PROTECT` option group.

Signed-off-by: Yong Cong Sin <ycsin@meta.com>
2024-08-05 11:32:43 +02:00
Yong Cong Sin
0c4870a0f0 lib: posix: mutex: implement pthread_mutexattr_setprotocol
Implement and test `pthread_mutexattr_setprotocol()`.

Signed-off-by: Yong Cong Sin <ycsin@meta.com>
2024-08-05 11:32:43 +02:00
Yong Cong Sin
50f47a44b7 lib: posix: mutex: check args of pthread_mutexattr_getprotocol
Perform arguments checking in the
`pthread_mutexattr_getprotocol()` function.

Signed-off-by: Yong Cong Sin <ycsin@meta.com>
2024-08-05 11:32:43 +02:00
Alberto Escolar Piedras
84e7107b32 Revert "posix: use sys_sem instead of k_spinlock for pool synch"
This reverts commit 6e66aa1f7c.

And fixes an indentation issue in the original code,
which triggers checkpatch.

This PR:
https://github.com/zephyrproject-rtos/zephyr/pull/71718
introduced a regression breaking CI:
https://github.com/zephyrproject-rtos/zephyr/issues/71814
Let's just revert it until a better fix is done.

Signed-off-by: Alberto Escolar Piedras <alberto.escolar.piedras@nordicsemi.no>
2024-04-23 11:51:44 -04:00
Chris Friedt
6e66aa1f7c posix: use sys_sem instead of k_spinlock for pool synch
Based on Andy's talk at eoss 2024, use the sys/sem.h api instead
of the spinlock.h api to synchronize pooled elements since it
has minimal overhead like semaphores but also works from
userspace.

Signed-off-by: Chris Friedt <cfriedt@tenstorrent.com>
2024-04-23 07:01:25 -04:00
Christopher Friedt
ec27e8875d posix: mutexattr: improvements for pthread_mutexattr_t
Previously, pthread_mutexattr_gettype() and
pthread_mutexattr_settype() were non-conformant and also
less safe, as they would not check whether a pthread_mutexattr_t
had been initialized prior to manipulating them. Furthermore,
they would potentially dereference NULL pointers.

Additionally, move the pthread_mutexattr_init() and
pthread_mutexattr_destroy() functions to the library, and add
some level of checking to them so that they are more than simply
static inline / no-op calls.

Lastly, reduce the size of struct pthread_mutexattr to only
what is necessary (one byte should suffice).

Signed-off-by: Christopher Friedt <cfriedt@meta.com>
2024-02-27 06:11:03 -05:00
Christopher Friedt
f3709e20b8 posix: convert all error logs to debug logs
In Zephyr, things are often optimized for size first. That's how
we fit into such tight parking spaces.

This change gives more control to the user about whether the
POSIX API does any logging at all, simultaneously shrinking binary
size while improving speed.

No bytes / cycles left behind!

Signed-off-by: Christopher Friedt <cfriedt@meta.com>
2024-02-24 10:34:05 -05:00
Christopher Friedt
855b8bc6ca posix: separate shell utilities and posix api implementation
Previously, the POSIX shell utilities were intermixed with the
POSIX API implementation.

The POSIX shell utilities only depend on the public POSIX API,
so it makes sense to keep them in a separate subdirectory.

Signed-off-by: Christopher Friedt <cfriedt@meta.com>
2024-02-01 05:26:24 -05:00
Renamed from lib/posix/mutex.c (Browse further)