diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/asterisk/app.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/asterisk/app.h b/include/asterisk/app.h index af3aa31f9..4244c79b5 100644 --- a/include/asterisk/app.h +++ b/include/asterisk/app.h @@ -120,6 +120,27 @@ int ast_app_messagecount(const char *context, const char *mailbox, const char *f int ast_safe_system(const char *s); /*! + * \brief Replace the SIGCHLD handler + * + * Normally, Asterisk has a SIGCHLD handler that is cleaning up all zombie + * processes from forking elsewhere in Asterisk. However, if you want to + * wait*() on the process to retrieve information about it's exit status, + * then this signal handler needs to be temporaraly replaced. + * + * Code that executes this function *must* call ast_unreplace_sigchld() + * after it is finished doing the wait*(). + */ +void ast_replace_sigchld(void); + +/*! + * \brief Restore the SIGCHLD handler + * + * This function is called after a call to ast_replace_sigchld. It restores + * the SIGCHLD handler that cleans up any zombie processes. + */ +void ast_unreplace_sigchld(void); + +/*! \brief Send DTMF to a channel \param chan The channel that will receive the DTMF frames |