smmu_safety()
QNX SDP8.0SMMUMAN User's GuideAPIConfigurationUtilities
Query the smmuman service for its safety status
Synopsis:
#include <smmu.h> int smmu_safety(void);
Arguments:
None.
Library:
libsmmu.aDescription:
The smmu_safety() function checks the smmuman
service's safety status. See
safety in
Global options
for information about
configuring your system's response to the presence of components that aren't
safety-certified.
Warning:
If you are building a safety-related system, you must use
safety-certified component. For more information, see
Component safety-certification statusin the
smmumanchapter.
Returns:
- SMMUMAN_SAFETY_ERROR
- Failure: errno is set. The function was unable to retrieve the safety status of the smmuman service.
- SMMUMAN_SAFETY_NO
- The smmuman service or some dependency (e.g., procnto) is not a safety-certified component.
- SMMUMAN_SAFETY_YES
- The smmuman service and all its dependencies are safety-certified components.
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