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@CHIP-RTOS C Library - RTOS API


RTX_Signal_Sem

Signal a counting semaphore.

int RTX_Signal_Sem ( int semID );

Parameters

semID

The semaphore ID of a counting semaphore acquired by a call to RTX_Create_Sem.

Return Value

0 on success else error code.

Comments

The resource will immediately be given to the task (if any) which is waiting at the head of this semaphore's wait queue.   Task rescheduling occurs immediately if necessary.

This method is used to release access to a counting semaphore after a task has acquired the semaphore through a RTX_Get_Sem or RTX_Wait_Sem call.

See Also

RTOS API

This library function invokes a RTOS software interrupt. Refer to this RTOS API function's documentation for more details.

Related Topics

RTX API   Overview

Supported since or modified in @CHIP-RTOS version

    SC12SC13SC11SC1x3SC2x
    V1.00V1.00V1.00V0.90V1.00

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