NAME¶

pmpause, pmsleep - portable subsecond-capable sleep

SYNOPSIS¶

$PCP_BINADM_DIR/pmpause[-w where]
$PCP_BINADM_DIR/pmsleep[-w where] interval

DESCRIPTION¶

pmpausesleeps indefinitely, until interrupted by SIGKILL.

pmsleepsleeps for the specifiedinterval.Theintervalargument follows the syntax described inPCPIntro(1)for-t,and in the simplest form may be an unsigned integeror floating point constant(the implied units in this case are seconds).

The-woption is provided to allow annotation of scripts with multipleuses ofpmpauseand/orpmsleepto identify a particular use in the process's arguments, e.g. asvisible tops(1).

DIAGNOSTICS¶

The exit status is 0 for success, or 1 for a malformed command line.If the underlyingnanosleep(2)system call fails, an errno is returned.

SEEALSO¶

sleep(1),pause(2)andnanosleep(2).