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- .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.
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