redhat man page for pvmfsetrbuf

Query: pvmfsetrbuf

OS: redhat

Section: 3pvm

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

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)
Related Man Pages
pvmfsetsbuf(3pvm) - redhat
pvm_setsbuf(3pvm) - redhat
pvmfsetrbuf(3pvm) - redhat
pvm_setrbuf(3pvm) - debian
pvmffreebuf(3pvm) - debian
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