CooCox CoOS User's Guide
CooCox CoOS User's Guide
CooCox CoOS User's Guide
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6.6 Mutex Section<br />
6.6.1 CoCreateMutex()<br />
Function Prototype:<br />
OS_MutexID CoCreateMutex(void);<br />
Descriptions:<br />
Create a Mutex section.<br />
Parameters:<br />
None<br />
Returns:<br />
Mutex section ID, create successfully<br />
-1, create failed<br />
Example usage:<br />
Note:<br />
#include "CCRTOS.h"<br />
OS_MutexID mutex;<br />
void TaskN (void *pdata)<br />
{<br />
}<br />
…<br />
/* Create a mutex */<br />
mutex = CoCreateMutex ();<br />
if (mutex == E_CREATE_FAIL)<br />
{<br />
}<br />
else<br />
{<br />
}<br />
None<br />
printf("Create mutex fail. \n");<br />
printf("Mutex ID : %d \n", mutex);<br />
...<br />
6.6.2 CoEnterMutexSection()<br />
Function Prototype:<br />
StatusType CoEnterMutexSection(<br />
OS_MutexID mutexID<br />
);<br />
Descriptions:<br />
Enter the mutex section whose ID was designated.<br />
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