Manual Reference Pages - event_query (3fortran)
NAME
EVENT_QUERY(3) - [COLLECTIVE] Query whether a coarray event has occurred
SYNOPSIS
call event_query(event, count [,stat] )
CHARACTERISTICS
DESCRIPTION
EVENT_QUERY(3) assigns the number of events to COUNT which have been posted to the EVENT variable and not yet been removed by calling EVENT_WAIT. When STAT is present and the invocation was successful, it is assigned the value 0. If it is present and the invocation has failed, it is assigned a positive value and COUNT is assigned the value -1.
OPTIONS
o EVENT : (intent(in)) Scalar of type event_type, defined in iso_fortran_env; shall not be coindexed. o COUNT : (intent(out))Scalar integer with at least the precision of default integer. o STAT : (OPTIONAL) Scalar default-kind integer variable.
EXAMPLES
Sample program:
program demo_event_query use iso_fortran_env implicit none type(event_type) :: event_value_has_been_set[*] integer :: cnt if (this_image() == 1) then call event_query(event_value_has_been_set, cnt) if (cnt > 0) write(*,*) "Value has been set" elseif (this_image() == 2) then event post(event_value_has_been_set[1]) endif end program demo_event_query
STANDARD
TS 18508
SEE ALSO
****(3)
fortran-lang intrinsic descriptions
| Nemo Release 3.1 | event_query (3fortran) | April 28, 2024 |
