diff options
Diffstat (limited to 'Doc/libthread.tex')
| -rw-r--r-- | Doc/libthread.tex | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/Doc/libthread.tex b/Doc/libthread.tex index edf21f3..fcee360 100644 --- a/Doc/libthread.tex +++ b/Doc/libthread.tex @@ -7,10 +7,16 @@ threads (a.k.a.\ \dfn{light-weight processes} or \dfn{tasks}) --- multiple threads of control sharing their global data space. For synchronization, simple locks (a.k.a.\ \dfn{mutexes} or \dfn{binary semaphores}) are provided. +\index{light-weight processes} +\index{processes, light-weight} +\index{binary semaphores} +\index{semaphores, binary} The module is optional. It is supported on Windows NT and '95, SGI IRIX, Solaris 2.x, as well as on systems that have a POSIX thread (a.k.a. ``pthread'') implementation. +\index{pthreads} +\indexii{threads}{posix} It defines the following constant and functions: @@ -87,8 +93,8 @@ thread, 0 if not. \item Threads interact strangely with interrupts: the \code{KeyboardInterrupt} exception will be received by an arbitrary -thread. (When the \code{signal} module is available, interrupts -always go to the main thread.) +thread. (When the \code{signal}\refbimodindex{signal} module is +available, interrupts always go to the main thread.) \item Calling \code{sys.exit()} or raising the \code{SystemExit} exception is @@ -96,8 +102,8 @@ equivalent to calling \code{thread.exit_thread()}. \item Not all built-in functions that may block waiting for I/O allow other -threads to run. (The most popular ones (\code{sleep}, \code{read}, -\code{select}) work as expected.) +threads to run. (The most popular ones (\code{sleep()}, \code{read()}, +\code{select()}) work as expected.) \item It is not possible to interrupt the \code{acquire()} method on a lock @@ -109,6 +115,7 @@ When the main thread exits, it is system defined whether the other threads survive. On SGI IRIX using the native thread implementation, they survive. On most other systems, they are killed without executing ``try-finally'' clauses or executing object destructors. +\indexii{threads}{IRIX} \item When the main thread exits, it doesn't do any of its usual cleanup |