SYS_WAITEVENT Wait for an event
SYS_WAITTID Wait for a thread to do something
+SYS_SETSIGNALHANDLER Set the POSIX signal handler
+SYS_SETSIGNALMASK Sets the mask of disabled POSIX signals
+
SYS_SETNAME Sets the name of the current thread
SYS_GETNAME Gets the name of a thread
SYS_GETTID Get current thread ID