tt_pattern_create(library call) tt_pattern_create(library call)
NAME [Toc] [Back]
tt_pattern_create - request a new pattern object
SYNOPSIS [Toc] [Back]
#include <Tt/tt_c.h>
Tt_pattern tt_pattern_create(void)
DESCRIPTION [Toc] [Back]
The tt_pattern_create function requests a new pattern object.
After receiving the pattern object, the application fills in the
message pattern fields to indicate what type of messages the process
wants to receive and then registers the pattern with the ToolTalk
service.
The application can supply multiple values for each attribute added to
a pattern (although some attributes are set and can only have one
value). The pattern attribute matches a message attribute if any of
the values in the pattern match the value in the message. If no value
is specified for an attribute, the ToolTalk service assumes that any
value will match.
RETURN VALUE [Toc] [Back]
Upon successful completion, the tt_pattern_create function returns the
opaque handle for a message pattern. The application can use this
handle in future calls to identify the pattern object. The
application can use tt_ptr_error(3) to extract one of the following
Tt_status values from the returned handle:
TT_OK The operation completed successfully.
TT_ERR_NOMP
The ttsession(1) process is not running and the ToolTalk
service cannot restart it.
APPLICATION USAGE [Toc] [Back]
The application should use tt_free(3) to free any data stored in the
address returned by the ToolTalk API.
SEE ALSO [Toc] [Back]
Tt/tt_c.h - Tttt_c(5), tt_pattern_register(3), tt_ptr_error(3),
tt_free(3).
- 1 - Formatted: January 24, 2005 [ Back ] |
