INtime® 3.1 Software - tenAsys

INtime 3.1 Software
Exception handling
High-level calls
System call
SetRtExceptionHandler
GetRtExceptionHandlerInfo
Description
Assigns an exception handler and exception mode or changes
the current mode for any of the following:
• Current thread exception handler
• Current process exception handler
• System-wide exception handler
The GetRtExceptionHandlerInfo function returns the address
and exception-handling mode for any of the following:
• Current thread’s exception handler
• Current process’ exception handler
• System-wide exception handler
• System-wide hardware exception handler (trap handler)
Interrupts
This group provides the system calls required to manage interrupts. Interrupt requests
are encoded to indicate their source; the resulting coding is called the interrupt level.
This encoded interrupt level is required in a number of the system calls in this group.
Macros are provided in the header files for the 15 standard PC interrupt levels,
IRQ0_LEVEL to IRQ15_LEVEL.
High-level calls
System call
SetRtInterruptHandler
SetRtInterruptHandlerEx
ResetRtInterruptHandler
EnterRtInterrupt
GetRtInterruptLevel
SignalRtInterruptThread
SignalEndOfRtInterrupt
Description
Assigns an interrupt handler to the specified interrupt level,
and optionally makes the calling thread the interrupt thread for
that level.
Cancels the assignment of the current interrupt handler to the
specified level and disables the level.
Allows the interrupt handler to have access to static data
belonging to the RT process which owns the handler. This
function is called from an interrupt handler.
Returns to the calling thread the highest (numerically lowest)
level that an interrupt handler has started servicing but has not
yet finished.
Sends an EOI signal to the interrupt hardware then schedules
the interrupt thread associated with the specified level. This
function is called from an interrupt handler.
Sends an EOI signal to the interrupt hardware. This function is
called from an interrupt handler.
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