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author | William Joye <wjoye@cfa.harvard.edu> | 2018-12-25 19:55:50 (GMT) |
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committer | William Joye <wjoye@cfa.harvard.edu> | 2018-12-25 19:55:50 (GMT) |
commit | ff51550ee89b473c63df78de6b2a413f21105687 (patch) | |
tree | bcdca927ed2a7b05c647b9a6bfdfd4a7ca5c730e /tcl8.6/doc/CallDel.3 | |
parent | 01cbf5b15ea760408c24288ccb5cf8e0af9aa299 (diff) | |
download | blt-ff51550ee89b473c63df78de6b2a413f21105687.zip blt-ff51550ee89b473c63df78de6b2a413f21105687.tar.gz blt-ff51550ee89b473c63df78de6b2a413f21105687.tar.bz2 |
update tcl/tk
Diffstat (limited to 'tcl8.6/doc/CallDel.3')
-rw-r--r-- | tcl8.6/doc/CallDel.3 | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/tcl8.6/doc/CallDel.3 b/tcl8.6/doc/CallDel.3 deleted file mode 100644 index 766621a..0000000 --- a/tcl8.6/doc/CallDel.3 +++ /dev/null @@ -1,67 +0,0 @@ -'\" -'\" Copyright (c) 1993 The Regents of the University of California. -'\" Copyright (c) 1994-1996 Sun Microsystems, Inc. -'\" -'\" See the file "license.terms" for information on usage and redistribution -'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. -'\" -.TH Tcl_CallWhenDeleted 3 7.0 Tcl "Tcl Library Procedures" -.so man.macros -.BS -.SH NAME -Tcl_CallWhenDeleted, Tcl_DontCallWhenDeleted \- Arrange for callback when interpreter is deleted -.SH SYNOPSIS -.nf -\fB#include <tcl.h>\fR -.sp -\fBTcl_CallWhenDeleted\fR(\fIinterp\fR, \fIproc\fR, \fIclientData\fR) -.sp -\fBTcl_DontCallWhenDeleted\fR(\fIinterp\fR, \fIproc\fR, \fIclientData\fR) -.SH ARGUMENTS -.AS Tcl_InterpDeleteProc clientData -.AP Tcl_Interp *interp in -Interpreter with which to associated callback. -.AP Tcl_InterpDeleteProc *proc in -Procedure to call when \fIinterp\fR is deleted. -.AP ClientData clientData in -Arbitrary one-word value to pass to \fIproc\fR. -.BE -.SH DESCRIPTION -.PP -\fBTcl_CallWhenDeleted\fR arranges for \fIproc\fR to be called by -\fBTcl_DeleteInterp\fR if/when \fIinterp\fR is deleted at some future -time. \fIProc\fR will be invoked just before the interpreter -is deleted, but the interpreter will still be valid at the -time of the call. -\fIProc\fR should have arguments and result that match the -type \fBTcl_InterpDeleteProc\fR: -.PP -.CS -typedef void \fBTcl_InterpDeleteProc\fR( - ClientData \fIclientData\fR, - Tcl_Interp *\fIinterp\fR); -.CE -.PP -The \fIclientData\fR and \fIinterp\fR parameters are -copies of the \fIclientData\fR and \fIinterp\fR arguments given -to \fBTcl_CallWhenDeleted\fR. -Typically, \fIclientData\fR points to an application-specific -data structure that \fIproc\fR uses to perform cleanup when an -interpreter is about to go away. -\fIProc\fR does not return a value. -.PP -\fBTcl_DontCallWhenDeleted\fR cancels a previous call to -\fBTcl_CallWhenDeleted\fR with the same arguments, so that -\fIproc\fR will not be called after all when \fIinterp\fR is -deleted. -If there is no deletion callback that matches \fIinterp\fR, -\fIproc\fR, and \fIclientData\fR then the call to -\fBTcl_DontCallWhenDeleted\fR has no effect. -.PP -Note that if the callback is being used to delete a resource that \fImust\fR -be released on exit, \fBTcl_CreateExitHandler\fR should be used to ensure that -a callback is received even if the application terminates without deleting the interpreter. -.SH "SEE ALSO" -Tcl_CreateExitHandler(3), Tcl_CreateThreadExitHandler(3) -.SH KEYWORDS -callback, cleanup, delete, interpreter |