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POSIX: Implement pthread_condattr functions

Browse source 
Added:
pthread_condattr_init
pthread_condattr_destroy
pthread_condattr_getclock
pthread_condattr_setclock

Signed-off-by: Mateusz Marszalek <matti.marszalek@gmail.com>
This commit is contained in:
Mateusz Marszalek 2023-08-27 12:39:52 +02:00 • committed by Martí Bolívar
commit 61219dacc6
3 changed files with 56 additions and 14 deletions
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1
include/zephyr/posix/posix_types.h
View file

@ -75,6 +75,7 @@ BUILD_ASSERT(sizeof(pthread_mutexattr_t) >= sizeof(struct pthread_mutexattr));
typedef uint32_t pthread_cond_t;
struct pthread_condattr {
clockid_t clock;
};
#if defined(CONFIG_MINIMAL_LIBC) || defined(CONFIG_PICOLIBC) || defined(CONFIG_ARMCLANG_STD_LIBC) \

34
include/zephyr/posix/pthread.h
View file

@ -110,26 +110,34 @@ int pthread_cond_timedwait(pthread_cond_t *cv, pthread_mutex_t *mut,
*
* See IEEE 1003.1.
*
* Note that pthread attribute structs are currently noops in Zephyr.
*/
static inline int pthread_condattr_init(pthread_condattr_t *att)
{
ARG_UNUSED(att);
return 0;
}
int pthread_condattr_init(pthread_condattr_t *att);
/**
* @brief POSIX threading compatibility API
*
* See IEEE 1003.1
*
* Note that pthread attribute structs are currently noops in Zephyr.
*/
static inline int pthread_condattr_destroy(pthread_condattr_t *att)
{
ARG_UNUSED(att);
return 0;
}
int pthread_condattr_destroy(pthread_condattr_t *att);
/**
* @brief POSIX threading comatibility API
*
* See IEEE 1003.1
*
*/
int pthread_condattr_getclock(const pthread_condattr_t *ZRESTRICT att,
clockid_t *ZRESTRICT clock_id);
/**
* @brief POSIX threading compatibility API
*
* See IEEE 1003.1
*
*/
int pthread_condattr_setclock(pthread_condattr_t *att, clockid_t clock_id);
/**
* @brief Declare a mutex as initialized
@ -364,9 +372,7 @@ int pthread_barrierattr_getpshared(const pthread_barrierattr_t *ZRESTRICT attr,
* Unix code. Leave the declarations here so they can be easily
* uncommented and implemented as needed.
int pthread_condattr_getclock(const pthread_condattr_t * clockid_t *);
int pthread_condattr_getpshared(const pthread_condattr_t * int *);
int pthread_condattr_setclock(pthread_condattr_t *, clockid_t);
int pthread_condattr_setpshared(pthread_condattr_t *, int);
int pthread_mutex_consistent(pthread_mutex_t *);
int pthread_mutex_getprioceiling(const pthread_mutex_t * int *);

35
lib/posix/cond.c
View file

@ -202,4 +202,39 @@ static int pthread_cond_pool_init(void)
return 0;
}
int pthread_condattr_init(pthread_condattr_t *att)
{
__ASSERT_NO_MSG(att != NULL);
att->clock = CLOCK_MONOTONIC;
return 0;
}
int pthread_condattr_destroy(pthread_condattr_t *att)
{
ARG_UNUSED(att);
return 0;
}
int pthread_condattr_getclock(const pthread_condattr_t *ZRESTRICT att,
clockid_t *ZRESTRICT clock_id)
{
*clock_id = att->clock;
return 0;
}
int pthread_condattr_setclock(pthread_condattr_t *att, clockid_t clock_id)
{
if (clock_id != CLOCK_REALTIME && clock_id != CLOCK_MONOTONIC) {
return -EINVAL;
}
att->clock = clock_id;
return 0;
}
SYS_INIT(pthread_cond_pool_init, PRE_KERNEL_1, 0);