05-03-2012
Yea but i want to receive from mush clients. I haven't planned on making a client for the program so I was hoping you could tell me how to receive only 12 bytes and ignore the rest. If you can't I might just make a linked list buffer. Also you wouldn't happen to know why if I receive data, why when I receive 15 bytes the program decides to recv 12 bytes then one byte at a time would you? Maybe
neutronscott could help me with this just cause hes been working with the program. Any light on this subject would be awesome also.
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LEARN ABOUT REDHAT
pvm_setrbuf
SETRBUF(3PVM) PVM Version 3.4 SETRBUF(3PVM)
NAME
pvm_setrbuf - Switches the active receive buffer and saves the previous buffer.
SYNOPSIS
C int oldbuf = pvm_setrbuf( int bufid )
Fortran call pvmfsetrbuf( bufid, oldbuf )
PARAMETERS
bufid Integer specifying the message buffer identifier for the new active receive buffer.
oldbuf Integer returning the message buffer identifier for the previous active receive buffer.
DESCRIPTION
The routine pvm_setrbuf switches the active receive buffer to bufid and saves the previous active receive buffer oldbuf. If bufid is set
to 0 then the present active receive buffer is saved and no active receive buffer exists.
A successful receive automatically creates a new active receive buffer. If a previous receive has not been unpacked and needs to be saved
for later, then the previous bufid can be saved and reset later to the active buffer for unpacking.
The routine is required when managing multiple message buffers. For example switching back and forth between two buffers. One buffer
could be used to send information to a graphical interface while a second buffer could be used send data to other tasks in the application.
EXAMPLES
C:
rbuf1 = pvm_setrbuf( rbuf2 );
Fortran:
CALL PVMFSETRBUF( NEWBUF, OLDBUF )
ERRORS
These error conditions can be returned by pvm_setrbuf
PvmBadParam
giving an invalid bufid.
PvmNoSuchBuf
switching to a non-existent message buffer.
SEE ALSO
pvm_setsbuf(3PVM)
30 August, 1993 SETRBUF(3PVM)