WebMay 4, 2024 · sa_sigaction:如果设置了SA_SIGINFO标志位,则会使用sa_sigaction处理函数,否则使用sa_handler处理函数。 sa_mask:定义一组信号,在调用由sa_handler所定义 … WebIf SA_SIGINFO is specified in sa_flags, then sa_sigaction (instead of sa_handler) specifies the signal-handling function for signum. This function receives three arguments, as …
Linux sigaction 用法详解-云社区-华为云
WebSep 1, 2024 · sa_sigaction 则是另一个信号处理函数,它有三个参数,可以获得关于信号的更详细的信息。当 sa_flags 成员的值. 包含了 SA_SIGINFO 标志时,系统将使用 … WebJun 22, 2024 · I am trying to send SIGUSR1/SIGUSR2 signals between multiple processes using custom handler, but my handler does not work. It is not printing any debug … florida oath of office 2022
sigaction() - シグナル・アクションの検査/変更 - IBM
WebXPG4.2 の特殊な動作: この メンバーおよび sa_handler は、相互に排他的です。SA_SIGINFO フラグが sa_flags に設定 されるときは、sa_sigaction が使用されます。そ … WebJun 11, 2024 · sa_sigaction. 如果在sa_flags 中指定了SA_SIGINFO,则sa_sigaction(而不是sa_handler)指定signum 的信号处理函数。 该函数接收三个参数,如下所述。 sa_mask. … WebNov 18, 2009 · The program calls sigaction instead of signal to set the signal handler for Ctrl+C (SIGINT) to the. function ouch. It first has to set up a sigaction structure that contains the handler, a signal mask, and. flags. In this case, you don’t need any flags, and an empty signal mask is created with the new function, sigemptyset. florida obama phone touchscreen