debian man page for lqr_carver_cancel

Query: lqr_carver_cancel

OS: debian

Section: 3

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

LQR_CARVER_CANCEL(3)					     LqR library API reference					      LQR_CARVER_CANCEL(3)

NAME
lqr_carver_cancel - cancel ongoing operations on a LqrCarver object
SYNOPSIS
#include <lqr.h> LqrRetVal lqr_carver_cancel(LqrCarver* carver);
DESCRIPTION
The function lqr_carver_cancel can be used to cancel an ongoing operation which is currently being performed on the the LqrCarver object pointed to by carver. It must be used asynchronouly, from within an independent thread. If an operation is in fact cancelled by this function, the function which was performing the operation will return the value LQR_USRCANCEL, and so will do any other operation successively called on the same LqrCarver object whose return type is LqrRetVal; otherwise it will have no effect. Whenever a function returns LQR_USRCANCEL, it means that the LqrCarver object is in an inconsistent state, and, since there is currently no way to recover from this situation, any further operation on that object must be avoided, and it must be destroyed. This function will fail if invoked over attached LqrCarver objects.
RETURN VALUE
The return value follows the Liquid Rescale library signalling system. However, it can be called multiple times, so it will never return LQR_USRCANCEL itself.
SEE ALSO
LqrRetVal(3), lqr_carver_resize(3), lqr_carver_flatten(3)
COPYRIGHT
Copyright (C) 2007-2009 Carlo Baldassi LqR library 0.4.1 API (3:1:3) 10 Maj 2009 LQR_CARVER_CANCEL(3)
Related Man Pages
lqr_carver_cancel(3) - debian
lqr_carver_get_ref_height(3) - debian
lqr_carver_set_alpha_channel(3) - debian
lqr_carver_set_enl_step(3) - debian
lqr_carver_set_black_channel(3) - debian
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