ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Added support for Callback to Thread lifetime

pull/1802/head
Christopher Haster 2016-06-01 12:11:05 -05:00
parent 0180125293
commit e079c2e0e9
2 changed files with 28 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
rtos/rtos/Thread.cpp
View File

@ -32,9 +32,11 @@ extern "C" P_TCB rt_tid2ptcb(osThreadId thread_id);
namespace rtos { namespace rtos {
Thread::Thread(osPriority priority, void Thread::constructor(osPriority priority,
uint32_t stack_size, unsigned char *stack_pointer): uint32_t stack_size, unsigned char *stack_pointer) {
_tid(0), _dynamic_stack(stack_pointer == NULL) { _tid = 0;
_dynamic_stack = (stack_pointer == NULL);
#if defined(__MBED_CMSIS_RTOS_CA9) || defined(__MBED_CMSIS_RTOS_CM) #if defined(__MBED_CMSIS_RTOS_CA9) || defined(__MBED_CMSIS_RTOS_CM)
_thread_def.tpriority = priority; _thread_def.tpriority = priority;
_thread_def.stacksize = stack_size; _thread_def.stacksize = stack_size;
@ -44,16 +46,9 @@ Thread::Thread(osPriority priority,
void Thread::constructor(Callback<void()> task, void Thread::constructor(Callback<void()> task,
osPriority priority, uint32_t stack_size, unsigned char *stack_pointer) { osPriority priority, uint32_t stack_size, unsigned char *stack_pointer) {
_tid = 0; constructor(priority, stack_size, stack_pointer);
_dynamic_stack = (stack_pointer == NULL);
_task = task; switch (start(task)) {
#if defined(__MBED_CMSIS_RTOS_CA9) || defined(__MBED_CMSIS_RTOS_CM)
_thread_def.tpriority = priority;
_thread_def.stacksize = stack_size;
_thread_def.stack_pointer = (uint32_t*)stack_pointer;
#endif
switch (start((void (*)(const void *))Callback<void()>::thunk, &_task)) {
case osErrorResource: case osErrorResource:
error("OS ran out of threads!\n"); error("OS ran out of threads!\n");
break; break;
@ -67,13 +62,13 @@ void Thread::constructor(Callback<void()> task,
} }
} }
osStatus Thread::start(void (*task)(void const *argument), void *argument) { osStatus Thread::start(Callback<void()> task) {
if (_tid != NULL) { if (_tid != 0) {
return osErrorParameter; return osErrorParameter;
} }
#if defined(__MBED_CMSIS_RTOS_CA9) || defined(__MBED_CMSIS_RTOS_CM) #if defined(__MBED_CMSIS_RTOS_CA9) || defined(__MBED_CMSIS_RTOS_CM)
_thread_def.pthread = task; _thread_def.pthread = (void (*)(const void *))Callback<void()>::thunk;
if (_thread_def.stack_pointer == NULL) { if (_thread_def.stack_pointer == NULL) {
_thread_def.stack_pointer = new uint32_t[_thread_def.stacksize/sizeof(uint32_t)]; _thread_def.stack_pointer = new uint32_t[_thread_def.stacksize/sizeof(uint32_t)];
if (_thread_def.stack_pointer == NULL) if (_thread_def.stack_pointer == NULL)
@ -85,6 +80,7 @@ osStatus Thread::start(void (*task)(void const *argument), void *argument) {
_thread_def.stack_pointer[i] = 0xE25A2EA5; _thread_def.stack_pointer[i] = 0xE25A2EA5;
} }
#endif #endif
_task = task;
_tid = osThreadCreate(&_thread_def, &_task); _tid = osThreadCreate(&_thread_def, &_task);
if (_tid == NULL) { if (_tid == NULL) {
if (_dynamic_stack) delete[] (_thread_def.stack_pointer); if (_dynamic_stack) delete[] (_thread_def.stack_pointer);

20
rtos/rtos/Thread.h
View File

@ -38,7 +38,9 @@ public:
*/ */
Thread(osPriority priority=osPriorityNormal, Thread(osPriority priority=osPriorityNormal,
uint32_t stack_size=DEFAULT_STACK_SIZE, uint32_t stack_size=DEFAULT_STACK_SIZE,
unsigned char *stack_pointer=NULL); unsigned char *stack_pointer=NULL) {
constructor(priority, stack_size, stack_pointer);
}
/** Create a new thread, and start it executing the specified function. /** Create a new thread, and start it executing the specified function.
@param task function to be executed by this thread. @param task function to be executed by this thread.
@ -106,10 +108,19 @@ public:
/** Starts a thread executing the specified function. /** Starts a thread executing the specified function.
@param task function to be executed by this thread. @param task function to be executed by this thread.
@param argument pointer that is passed to the thread function as start argument. (default: NULL).
@return status code that indicates the execution status of the function. @return status code that indicates the execution status of the function.
*/ */
osStatus start(void (*task)(void const *argument), void *argument=NULL); osStatus start(mbed::Callback<void()> task);
/** Starts a thread executing the specified function.
@param obj argument to task
@param method function to be executed by this thread.
@return status code that indicates the execution status of the function.
*/
template <typename T, typename M>
osStatus start(T *obj, M method) {
return start(mbed::Callback<void()>(obj, method));
}
/** Wait for thread to terminate /** Wait for thread to terminate
@return status code that indicates the execution status of the function. @return status code that indicates the execution status of the function.
@ -220,6 +231,9 @@ public:
private: private:
// Required to share definitions without // Required to share definitions without
// delegated constructors // delegated constructors
void constructor(osPriority priority=osPriorityNormal,
uint32_t stack_size=DEFAULT_STACK_SIZE,
unsigned char *stack_pointer=NULL);
void constructor(mbed::Callback<void()> task, void constructor(mbed::Callback<void()> task,
osPriority priority=osPriorityNormal, osPriority priority=osPriorityNormal,
uint32_t stack_size=DEFAULT_STACK_SIZE, uint32_t stack_size=DEFAULT_STACK_SIZE,