●●● ●●●● 4.4 Threading Issues ●●●●● ●●● ●●●0● ●●●0 o To the thread to which the signal applies o To every thread in the process o To certain threads in the process o Assign a specific thread to receive all signals for the process o APCs: asynchronous procedure calls Used in windows Is roughly equivalent to an asynchronous signal in Unix o An APc is delivered to a particular thread rather than a process29 4.4 Threading Issues ⚫ To the thread to which the signal applies ⚫ To every thread in the process ⚫ To certain threads in the process ⚫ Assign a specific thread to receive all signals for the process. ⚫ APCs：asynchronous procedure calls ⚫ Used in Windows ⚫ Is roughly equivalent to an asynchronous signal in Unix ⚫ An APC is delivered to a particular thread rather than a process