hwi_tag2off()
Return the offset from the start of the hwinfo area of the system page
Synopsis:
#include <hw/sysinfo.h>
unsigned hwi_tag2off( void *tag );
Arguments:
- tag
- A pointer to a tag in the hwinfo area of the system page.
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
This function is in libc.a, but not in libc.so
(in order to save space).
Description:
Given a pointer to the start of a tag, the hwi_tag2off() function returns the offset, in bytes, from the beginning of the start of the hwinfo section.
Returns:
The offset of the tag, in bytes.
Classification:
| Safety: | |
|---|---|
| Cancellation point | No |
| Interrupt handler | Yes |
| Signal handler | Yes |
| Thread | Yes |