_LWP_INFO(2) System Calls _LWP_INFO(2)
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(7) for descriptions of the following attributes:
+---------------+-------------------+
|ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+---------------+-------------------+
|MT-Level | Async-Signal-Safe |
+---------------+-------------------+
SEE ALSO
times(2),
attributes(7) August 8, 2001 _
LWP_INFO(2)
