Operating systems, development tools, and professional services
for connected embedded systems

Developer Resources
Blogs
Board support packages
Foundry27 projects
Forums
Hardware support listing
Online video tutorials
Product documentation

QNX Developer Support

[Previous] [Contents] [Index] [Next]

DebugKDOutput()

Print text with the kernel debugger

Synopsis:

#include <sys/neutrino.h>

void DebugKDOutput( const char* str,
                    size_t size );

Arguments:

str
The string that you want to print.
size
The number of characters to print.

Library:

libc

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

Description:

The DebugKDBreak() kernel call causes the kernel debugger to print size characters from str if the kernel debugger is present in your boot image. If it isn't in your boot image, nothing happens.

When, where, and how the kernel debugger displays this message depends on which host debugger you're using.

Blocking states

None.

Classification:

QNX Neutrino

Safety:
Cancellation point No
Interrupt handler No
Signal handler Yes
Thread Yes

See also:

DebugBreak(), DebugKDBreak()


[Previous] [Contents] [Index] [Next]