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| author | vasiljevic <vasiljevic@noemail.net> | 2004-11-25 15:48:51 (GMT) |
|---|---|---|
| committer | vasiljevic <vasiljevic@noemail.net> | 2004-11-25 15:48:51 (GMT) |
| commit | 049ab9156e46f0e4add84e2e42c1bb368147e304 (patch) | |
| tree | 584fbfa6f58f7abcbef24cf5293f23ce2d253394 /doc/Thread.3 | |
| parent | cac72e67f06a47c1a13a33fe44df5949b2797c39 (diff) | |
| download | tcl-049ab9156e46f0e4add84e2e42c1bb368147e304.zip tcl-049ab9156e46f0e4add84e2e42c1bb368147e304.tar.gz tcl-049ab9156e46f0e4add84e2e42c1bb368147e304.tar.bz2 | |
Added hint to TCL_DECLARE_MUTEX macro usage.
FossilOrigin-Name: cf849ef569bbef770d6cf4e62caa48a6b61ee434
Diffstat (limited to 'doc/Thread.3')
| -rw-r--r-- | doc/Thread.3 | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/doc/Thread.3 b/doc/Thread.3 index f319d7b..ba33882 100644 --- a/doc/Thread.3 +++ b/doc/Thread.3 @@ -5,7 +5,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: Thread.3,v 1.14.2.1 2004/11/25 15:31:18 vasiljevic Exp $ +'\" RCS: @(#) $Id: Thread.3,v 1.14.2.2 2004/11/25 15:48:52 vasiljevic Exp $ '\" .so man.macros .TH Threads 3 "8.1" Tcl "Tcl Library Procedures" @@ -140,8 +140,9 @@ creating multithreaded scripts (for example, scripts that could spawn a Tcl interpreter in a separate thread). If you need to add this feature at this time, see the \fItclThreadTest.c\fR file in the Tcl source distribution for an experimental implementation -of a Tcl "Thread" package implementing thread creation and management -commands at the script level. +or use the Tcl "Threading Extension" package implementing thread creation +and management commands at the script level. + .SH DESCRIPTION A mutex is a lock that is used to serialize all threads through a piece @@ -155,6 +156,9 @@ On some platforms it will result in a deadlock. .VE The \fBTcl_MutexLock\fR, \fBTcl_MutexUnlock\fR and \fBTcl_MutexFinalize\fR procedures are defined as empty macros if not compiling with threads enabled. +For declaration of mutexes the \fBTCL_DECLARE_MUTEX\fR macro should be used. +This macro assures correct mutex handling even when the core is compiled +without threads enabled. .PP A condition variable is used as a signaling mechanism: a thread can lock a mutex and then wait on a condition variable |