trace_func_exit()

Insert a trace event for the exit from a function

Synopsis:

#include <sys/neutrino.h>
#include <sys/trace.h>

int trace_func_exit( void *this_fn,
                     void *call_site );

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

The trace_func_exit() function calls TraceEvent() to insert an event of class _NTO_TRACE_SYSTEM and type _NTO_TRACE_SYS_FUNC_EXIT into the trace log.

ECANCELED: The requested action has been canceled.
EFAULT: Bad internal trace buffer address. The requested action has been specified out of order.
ENOMEM: Insufficient memory to allocate the trace buffers.
ENOTSUP: The requested action isn't supported.
EPERM: The application doesn't have permission to perform the action.

Safety:
Cancellation point	No
Interrupt handler	Read the Caveats for TraceEvent()
Signal handler	Yes
Thread	Yes