STREAMS-UX Programmer's Guide (February 2007)

STREAMS Utilities Supported by HP-UX
Appendix B
230
NAME
unbufcall () – Cancels a pending bufcall() or esbcall() request specified by ID.
SYNOPSIS
#include <sys/stream.h>
void unbufcall (toid_t id);
PARAMETERS
id A Non zero identifier returned from a prior bufcall() or esbbcall().
DESCRIPTION
If unbufcall() is invoked while any function called by the pending bufcall() or esbbcall() request is
running, unbufcall() will not return until the function completes or the pending request is cancelled.
RETURN VALUES
None
CONSTRAINTS
unbufcall() can be called from thread or interrupt context. Spinlocks must not be held across this function
call.