Zephyr API Documentation 4.1.99
A Scalable Open Source RTOS
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main.c File Reference
#include <zephyr/ztest.h>
#include <zephyr/irq_offload.h>
#include <zephyr/sys/sem.h>

Macros

#define SEM_INIT_VAL   (0U)
 
#define SEM_MAX_VAL   (10U)
 
#define SEM_TIMEOUT   (K_MSEC(100))
 
#define STACK_SIZE   (512 + CONFIG_TEST_EXTRA_STACK_SIZE)
 
#define TOTAL_THREADS_WAITING   (3)
 

Functions

 K_THREAD_STACK_DEFINE (stack_1,(512+CONFIG_TEST_EXTRA_STACK_SIZE))
 
 K_THREAD_STACK_DEFINE (stack_2,(512+CONFIG_TEST_EXTRA_STACK_SIZE))
 
 K_THREAD_STACK_DEFINE (stack_3,(512+CONFIG_TEST_EXTRA_STACK_SIZE))
 
 K_THREAD_STACK_ARRAY_DEFINE (multiple_stack,(3),(512+CONFIG_TEST_EXTRA_STACK_SIZE))
 
static void isr_sem_give (const void *semaphore)
 
static void isr_sem_take (const void *semaphore)
 
static void sem_give_from_isr (void *semaphore)
 
static void sem_take_from_isr (void *semaphore)
 
static void sem_give_task (void *p1, void *p2, void *p3)
 
static void sem_take_timeout_forever_helper (void *p1, void *p2, void *p3)
 
static void sem_take_timeout_isr_helper (void *p1, void *p2, void *p3)
 
static void sem_take_multiple_low_prio_helper (void *p1, void *p2, void *p3)
 
static void sem_take_multiple_mid_prio_helper (void *p1, void *p2, void *p3)
 
static void sem_take_multiple_high_prio_helper (void *p1, void *p2, void *p3)
 
static void sem_multiple_threads_wait_helper (void *p1, void *p2, void *p3)
 
void k_sys_fatal_error_handler (unsigned int reason, const struct arch_esf *pEsf)
 Fatal error policy handler.
 
void * sys_sem_setup (void)
 
 ZTEST_SUITE (sys_sem, NULL, sys_sem_setup, NULL, NULL, NULL)
 
 ZTEST_SUITE (sys_sem_1cpu, NULL, sys_sem_setup, ztest_simple_1cpu_before, ztest_simple_1cpu_after, NULL)
 
void test_basic_sem_test (void)
 
void test_simple_sem_from_isr (void)
 Test semaphore count when given by an ISR.
 
void test_simple_sem_from_task (void)
 Test semaphore count when given by thread.
 
void test_sem_take_no_wait (void)
 Test if sys_sem_take() decreases semaphore count.
 
void test_sem_take_no_wait_fails (void)
 Test sys_sem_take() when there is no semaphore to take.
 
void test_sem_take_timeout_fails (void)
 Test sys_sem_take() with timeout expiry.
 
void test_sem_take_timeout (void)
 Test sys_sem_take() with timeout.
 
void test_sem_take_timeout_forever (void)
 Test sys_sem_take() with forever timeout.
 
void test_sem_take_timeout_isr (void)
 Test sys_sem_take() with timeout in ISR context.
 
void test_sem_take_multiple (void)
 Test multiple semaphore take.
 
void test_sem_give_take_from_isr (void)
 Test semaphore give and take and its count from ISR.
 
void test_sem_give_limit (void)
 Test semaphore give limit count.
 
void test_sem_multiple_threads_wait (void)
 Test multiple semaphore take and give with wait.
 

Variables

ZTEST_BMEM struct sys_sem simple_sem
 
ZTEST_BMEM struct sys_sem low_prio_sem
 
ZTEST_BMEM struct sys_sem mid_prio_sem
 
ZTEST_DMEM struct sys_sem high_prio_sem
 
ZTEST_DMEM struct sys_sem multiple_thread_sem = { .futex = { (0U) }, .limit = (10U) }
 
struct k_thread sem_tid sem_tid_1 sem_tid_2
 
struct k_thread multiple_tid [(3)]
 

Macro Definition Documentation

◆ SEM_INIT_VAL

#define SEM_INIT_VAL   (0U)

◆ SEM_MAX_VAL

#define SEM_MAX_VAL   (10U)

◆ SEM_TIMEOUT

#define SEM_TIMEOUT   (K_MSEC(100))

◆ STACK_SIZE

#define STACK_SIZE   (512 + CONFIG_TEST_EXTRA_STACK_SIZE)

◆ TOTAL_THREADS_WAITING

#define TOTAL_THREADS_WAITING   (3)

Function Documentation

◆ isr_sem_give()

static void isr_sem_give ( const void * semaphore)
static

◆ isr_sem_take()

static void isr_sem_take ( const void * semaphore)
static

◆ K_THREAD_STACK_ARRAY_DEFINE()

K_THREAD_STACK_ARRAY_DEFINE ( multiple_stack ,
(3) ,
(512+CONFIG_TEST_EXTRA_STACK_SIZE)  )

◆ K_THREAD_STACK_DEFINE() [1/3]

K_THREAD_STACK_DEFINE ( stack_1 ,
(512+CONFIG_TEST_EXTRA_STACK_SIZE)  )

◆ K_THREAD_STACK_DEFINE() [2/3]

K_THREAD_STACK_DEFINE ( stack_2 ,
(512+CONFIG_TEST_EXTRA_STACK_SIZE)  )

◆ K_THREAD_STACK_DEFINE() [3/3]

K_THREAD_STACK_DEFINE ( stack_3 ,
(512+CONFIG_TEST_EXTRA_STACK_SIZE)  )

◆ sem_give_from_isr()

static void sem_give_from_isr ( void * semaphore)
static

◆ sem_give_task()

static void sem_give_task ( void * p1,
void * p2,
void * p3 )
static

◆ sem_multiple_threads_wait_helper()

static void sem_multiple_threads_wait_helper ( void * p1,
void * p2,
void * p3 )
static

◆ sem_take_from_isr()

static void sem_take_from_isr ( void * semaphore)
static

◆ sem_take_multiple_high_prio_helper()

static void sem_take_multiple_high_prio_helper ( void * p1,
void * p2,
void * p3 )
static

◆ sem_take_multiple_low_prio_helper()

static void sem_take_multiple_low_prio_helper ( void * p1,
void * p2,
void * p3 )
static

◆ sem_take_multiple_mid_prio_helper()

static void sem_take_multiple_mid_prio_helper ( void * p1,
void * p2,
void * p3 )
static

◆ sem_take_timeout_forever_helper()

static void sem_take_timeout_forever_helper ( void * p1,
void * p2,
void * p3 )
static

◆ sem_take_timeout_isr_helper()

static void sem_take_timeout_isr_helper ( void * p1,
void * p2,
void * p3 )
static

◆ sys_sem_setup()

void * sys_sem_setup ( void )

◆ ZTEST_SUITE() [1/2]

ZTEST_SUITE ( sys_sem ,
NULL ,
sys_sem_setup ,
NULL ,
NULL ,
NULL  )

◆ ZTEST_SUITE() [2/2]

ZTEST_SUITE ( sys_sem_1cpu ,
NULL ,
sys_sem_setup ,
ztest_simple_1cpu_before ,
ztest_simple_1cpu_after ,
NULL  )

Variable Documentation

◆ high_prio_sem

ZTEST_DMEM struct sys_sem high_prio_sem

◆ low_prio_sem

ZTEST_BMEM struct sys_sem low_prio_sem

◆ mid_prio_sem

ZTEST_BMEM struct sys_sem mid_prio_sem

◆ multiple_thread_sem

ZTEST_DMEM struct sys_sem multiple_thread_sem = { .futex = { (0U) }, .limit = (10U) }

◆ multiple_tid

struct k_thread multiple_tid[(3)]

◆ sem_tid_2

struct k_thread sem_tid sem_tid_1 sem_tid_2

◆ simple_sem

ZTEST_BMEM struct sys_sem simple_sem