Content-type: text/html Man page of _lwp_info

_lwp_info

Section: System Calls (2)
Updated: 8 Aug 2001
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NAME

_lwp_info - return the time-accounting information of a single LWP  

SYNOPSIS

#include <sys/time.h>
#include <sys/lwp.h>

int _lwp_info(struct lwpinfo *buffer);  

DESCRIPTION

The _lwp_info() function fills the lwpinfo structure pointed to by buffer with time-accounting information pertaining to the calling LWP. This call may be extended in the future to return other information to the lwpinfo structure as needed. The lwpinfo structure in <sys/lwp.h> includes the following members:

timestruc_t   lwp_utime;
timestruc_t   lwp_stime;

The lwp_utime member is the CPU time used while executing instructions in the user space of the calling LWP.

The lwp_stime member is the CPU time used by the system on behalf of the calling LWP.  

RETURN VALUES

Upon successful completion, _lwp_info() returns 0 and fills in the lwpinfo structure pointed to by buffer.  

ERRORS

If the following condition is detected, _lwp_info() returns the corresponding value:

EFAULT The buffer argument points to an illegal address.

Additionally, the _lwp_info() function will fail for 32-bit interfaces if:

EOVERFLOW The size of the tv_sec member of the timestruc_t type pointed to by lwp_utime and lwp_stime is too small to contain the correct number of seconds.

 

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPEATTRIBUTE VALUE
MT-LevelAsync-Signal-Safe

 

SEE ALSO

times(2), attributes(5)


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUES
ERRORS
ATTRIBUTES
SEE ALSO

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Time: 02:37:15 GMT, October 02, 2010