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| SETMWID(3PVM) | PVM Version 3.4 | SETMWID(3PVM) |
NAME
pvm_getmwid, pvm_setmwid - Get or set wait ID of a message.[In Version 3.4: Relaced by pvm_getminfo and pvm_setminfo]
SYNOPSIS
C int info = pvm_getmwid( int bufid )
int info = pvm_setmwid( int bufid, int waitid )
Fortran Not Available
PARAMETERS
- bufid
- Message buffer identifier.
- waitid
- Wait identifier number.
DESCRIPTION
A wait identifier is part of a message (like the source, destination, tag and body). It is used to match a reply to the corresponding request.The default wait ID for a message is zero (none).
pvm_getmwid returns the wait ID associated with a message buffer, or a negative error code.
pvm_setmwid assigns a new wait ID to a message buffer. It returns PvmOk unless an error occurs.
EXAMPLES
int src, tag; pvm_recv(-1, -1); /* ... process, compose reply message */ pvm_setmwid(pvm_getsbuf(), pvm_getmwid(pvm_getrbuf())); pvm_bufinfo(pvm_getrbuf(), (int *)0, &tag, &src); pvm_send(src, tag);
ERRORS
The following error conditions can be returned by pvm_getmwid or pvm_setmwid:- PvmBadParam
- Invalid value for bufid argument.
- PvmNoSuchBuf
- Message buffer bufid doesn't exist.
SEE ALSO
pvm_bufinfo(3PVM)| 18 May, 1994 |
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