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CodeSonar® 9.2p0 CONFIDENTIAL CodeSecure Inc
C and C++
Binaries

CONCURRENCY.BADFUNC.DELAY : Task Delay Function

Summary

Use of a function that waits for a period of time before continuing. These functions can be risky when used for task synchronization, and can lead to race conditions, deadlock, and starvation.

Properties

Class Name Task Delay Function
Significance style
Mnemonic CONCURRENCY.BADFUNC.DELAY
Categories
CWE CWE:710 Improper Adherence to Coding Standards
JPL JPL:7 Do not use task delays for task synchronization.
Availability Available for C and C++.
Enabling Checks for this warning class are disabled by default. To enable them, add the following WARNING_FILTER rule to the project configuration file. 
WARNING_FILTER += allow class="Task Delay Function"

Example 

#include <unistd.h>

void concurrency_badfunc_delay(void){
    sleep(42); /* 'Task Delay Function' warning issued here */
}

Triggering Functions

Any occurrence of the following functions will trigger this warning:

Relevant Configuration File Parameters

The following configuration file parameters affect checks for this warning class.

 

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