| Cyg_Scheduler::get_sched_lock | |
| Name: | Cyg_Scheduler::get_sched_lock ( ) - get the lock count of a thread |
|---|---|
| Synopsis: | static cyg_ucount32 Cyg_Scheduler::get_sched_lock ( void ) |
| Description: | Gets the lock count on the current thread. Will return 0 if this thead is not locked. Note that this class function is static. |
| Include: | #include <cyg/kernel/sched.hxx>
#include <cyg/kernel/sched.inl> |
| Returns: | The number of times the calling thread has been locked. |
| See Also: | Cyg_Scheduler::lock, Cyg_Scheduler::unlock |
| Cyg_Scheduler::lock | |
| Name: | Cyg_Scheduler::lock ( ) - lock a thread |
|---|---|
| Synopsis: | static void Cyg_Scheduler::lock ( void ) |
| Description: | Prevents the calling thread from being preempted by another thread. Note that this class function is static. A thread can be locked multiple times. Each call to Cyg_Scheduler::lock() must be paired with a call to Cyg_Scheduler::unlock() to unlock the scheduler. |
| Include: | #include <cyg/kernel/sched.hxx>
#include <cyg/kernel/sched.inl> |
| Returns: | nothing |
| See Also: | Cyg_Scheduler::get_sched_lock, Cyg_Scheduler::unlock |
| Cyg_Scheduler::unlock | |
| Name: | Cyg_Scheduler::unlock ( ) - unlock a thread |
|---|---|
| Synopsis: | static void Cyg_Scheduler::unlock ( void ) |
| Description: | This unlocks a thread so that it can be preempted by another thread. Note that for each call to Cyg_Scheduler::lock there has to be a call to this class function to actually unlock the thread. |
| Include: | #include <cyg/kernel/sched.hxx>
#include <cyg/kernel/sched.inl> |
| Returns: | nothing |
| See Also: | Cyg_Scheduler::get_sched_lock, Cyg_Scheduler::lock |