.TH RCCE 3  2010-02-04 "RCCE MANPAGE" "RCCE Library"
.SH NAME

RCCE_barrier\- RCCE intitialization function 

.SH SYNOPSIS
.B #include <rcce.h>
.sp

.BI "int RCCE_barrier(RCCE_COMM " comm );

.SH DESCRIPTION
.BR RCCE_barrier() 
specifies a barrier at this point in the code. This is a collective routine that 
must be called jointly by all UEs in the communicator. 
.TP
.B comm
Communicator whose UEs participate in the barrier. Predefined communicators are 
RCCE_COMM_WORLD, and, in case of fine-grain power management, RCCE_P_COMM, 
which comprises all the UEs that lie in the local power domain. Any other 
communicators to be used in a barrier must be constructed by using RCCE_comm_split().

.SH "RETURN VALUE"
Upon successful completion
.BR RCCE_barrier()
returns
.BR RCCE_SUCCESS .

.SH ERRORS
Look in 
.BR rcce.h
for additional error codes.

.SH "SEE ALSO"
rcce.h(5)

.SH EXAMPLE
.PP
To be supplied.