CooCox CoOS User's Guide
CooCox CoOS User's Guide
CooCox CoOS User's Guide
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Example usage:<br />
#include "CCRTOS.h"<br />
OS_EventID semaphore;<br />
void TaskN (void *pdata)<br />
{<br />
StatusType result;<br />
...<br />
/* Create a semaphore */<br />
result = CoDeleteSem (semaphore, OPT_DEL_ANYWAY);<br />
if (result != E_OK)<br />
{<br />
if (result == E_INVALID_ID)<br />
{<br />
printf("Invalid event ID !\n");<br />
}<br />
}<br />
...<br />
}<br />
Note:<br />
Release the resources that the semaphore occupied If delete it<br />
successfully,then run a task sheduling and give the system execution time<br />
to the highest priority task.<br />
6.7.3 CoAcceptSem()<br />
Function Prototype:<br />
StatusType CoAcceptSem(<br />
Descriptions:<br />
OS_EventID id<br />
);<br />
To obtain semaphore resources whose ID was designated.<br />
Parameters:<br />
[in] id<br />
the designated semaphore ID<br />
Returns:<br />
E_INVALID_ID,<br />
E_SEM_EMPTY,<br />
E_OK,<br />
the semaphore ID that was<br />
incomed is invalid<br />
the semaphore resources whose<br />
ID was designated is empty<br />
to obtain the resources successfully<br />
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