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SourceVuSTM32 Libraries and SamplesFreeRTOSosMailCAlloc()

osMailCAlloc() function

Allocate a memory block from a mail and set memory block to zero

Syntax

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Summary

Declaration

Definition

from cmsis_os.h:859

void *osMailCAlloc (osMailQId queue_id, uint32_t millisec);

Implemented in cmsis_os.c:1236

Arguments

Argument

Description

queue_id

mail queue ID obtained with osMailCreate.

millisec

timeout value or 0 in case of no time-out.

Return value

pointer to memory block that can be filled with mail or NULL in case error.

Notes

MUST REMAIN UNCHANGED: \b osMailCAlloc shall be consistent in every CMSIS-RTOS.

References

Code

Location

void *osMailCAlloc (osMailQId queue_id, uint32_t millisec)

cmsis_os.c:1236

void *osMailCAlloc (osMailQId queue_id, uint32_t millisec);

cmsis_os.h:859

Call Tree

osMailCAlloc() calls 1 function:

osMailCAlloc()

osMailAlloc()

Data Use

osMailCAlloc() reads 2 variables:

os_mailQ_def::item_sz

os_mailQ_cb::queue_def

osMailCAlloc()

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osMailCAlloc() function

Syntax

Arguments

Return value

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