Difference between revisions of "r7.1.1:Typedef test pal thread state t"
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Latest revision as of 20:16, 17 February 2017
Source File
└───test └───src └───porting_abstraction_layer_operating_system.h
Typedef
typedef [type] test_pal_thread_state_t;
Optionality
This typedef is mandatory.
Notes
Threads typically have associated with them both an ID and a handle.
This typedef is for the handle - i.e. the datum which the OS can wait on for thread termination.
If we look at the Windows CreateThread function;
HANDLE WINAPI CreateThread( _In_opt_ LPSECURITY_ATTRIBUTES lpThreadAttributes, _In_ SIZE_T dwStackSize, _In_ LPTHREAD_START_ROUTINE lpStartAddress, _In_opt_ LPVOID lpParameter, _In_ DWORD dwCreationFlags, _Out_opt_ LPDWORD lpThreadId );
We see there is an argument, lpThreadId , which receives the thread ID, but that the function returns a HANDLE, which is the datum used by WaitForSingleObject to sleep until the thread has terminated.
Example
typedef HANDLE test_pal_thread_state_t;