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| Code Block | ||||
|---|---|---|---|---|
| ||||
#include <Windows.h>
static volatile LONG account_balance;
CRITICAL_SECTION flag;
/* Initialize flag */
InitializeCriticalSection(&flag);
int debit(unsigned int amount) {
EnterCriticalSection(&flag);
account_balance -= amount; /* Inside critical section */
LeaveCriticalSection(&flag);
return 0;
}
|
Risk Assessment
Recommendation | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
CON02-C | Medium | Probable | Medium | P8 | L2 |
Automated Detection
| Tool | Version | Checker | Description |
|---|---|---|---|
| Parasoft C/C++test |
| CERT_C-CON02-a | Do not use the volatile keyword |
Related Guidelines
Key here (explains table format and definitions)
Taxonomy | Taxonomy item | Relationship |
|---|---|---|
| CERT C | CON01-CPP. Do not use volatile as a synchronization primitive | Prior to 2018-01-12: CERT: Unspecified Relationship |
Bibliography
| [IEEE Std 1003.1:2013] | Section 4.11, "Memory Synchronization" |
| [ISO/IEC 9899:2011] | Subclause 5.1.2.3, "Program Execution" |
| [MSDN] |
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