Lee Shen
/
FTHR_USB_serial_qSPI
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Semaphore Class Reference
[Rtos]
The Semaphore class is used to manage and protect access to a set of shared resources. More...
#include <Semaphore.h>
Inherits NonCopyable< Semaphore >.
Public Member Functions | |
| Semaphore (int32_t count=0) | |
| Create and Initialize a Semaphore object used for managing resources. | |
| Semaphore (int32_t count, uint16_t max_count) | |
| Create and Initialize a Semaphore object used for managing resources. | |
| int32_t | wait (uint32_t millisec=osWaitForever) |
| Wait until a Semaphore resource becomes available. | |
| osStatus | release (void) |
| Release a Semaphore resource that was obtain with Semaphore::wait. | |
Detailed Description
The Semaphore class is used to manage and protect access to a set of shared resources.
- Note:
- Memory considerations: The semaphore control structures will be created on current thread's stack, both for the mbed OS and underlying RTOS objects (static or dynamic RTOS memory pools are not being used).
Definition at line 41 of file Semaphore.h.
Constructor & Destructor Documentation
| Semaphore | ( | int32_t | count = 0 ) |
Create and Initialize a Semaphore object used for managing resources.
- Parameters:
-
count number of available resources; maximum index value is (count-1). (default: 0).
Definition at line 29 of file Semaphore.cpp.
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