diff options
Diffstat (limited to 'doc/src/howtos/unix-signal-handlers.qdoc')
| -rw-r--r-- | doc/src/howtos/unix-signal-handlers.qdoc | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/doc/src/howtos/unix-signal-handlers.qdoc b/doc/src/howtos/unix-signal-handlers.qdoc index 2fa558ec02..20beb38165 100644 --- a/doc/src/howtos/unix-signal-handlers.qdoc +++ b/doc/src/howtos/unix-signal-handlers.qdoc @@ -59,7 +59,7 @@ sigaction(2) man pages before plowing through the following code snippets. - \snippet doc/src/snippets/code/doc_src_unix-signal-handlers.qdoc 0 + \snippet doc/src/snippets/code/doc_src_unix-signal-handlers.cpp 0 In the MyDaemon constructor, use the socketpair(2) function to initialize each file descriptor pair, and then create the @@ -68,24 +68,24 @@ appropriate slot function, which effectively converts the Unix signal to the QSocketNotifier::activated() signal. - \snippet doc/src/snippets/code/doc_src_unix-signal-handlers.qdoc 1 + \snippet doc/src/snippets/code/doc_src_unix-signal-handlers.cpp 1 Somewhere else in your startup code, you install your Unix signal handlers with sigaction(2). - \snippet doc/src/snippets/code/doc_src_unix-signal-handlers.qdoc 2 + \snippet doc/src/snippets/code/doc_src_unix-signal-handlers.cpp 2 In your Unix signal handlers, you write a byte to the \e write end of a socket pair and return. This will cause the corresponding QSocketNotifier to emit its activated() signal, which will in turn cause the appropriate Qt slot function to run. - \snippet doc/src/snippets/code/doc_src_unix-signal-handlers.qdoc 3 + \snippet doc/src/snippets/code/doc_src_unix-signal-handlers.cpp 3 In the slot functions connected to the QSocketNotifier::activated() signals, you \e read the byte. Now you are safely back in Qt with your signal, and you can do all the Qt stuff you weren'tr allowed to do in the Unix signal handler. - \snippet doc/src/snippets/code/doc_src_unix-signal-handlers.qdoc 4 + \snippet doc/src/snippets/code/doc_src_unix-signal-handlers.cpp 4 */ |