sigaction context
Yes, you can pass user-supplied data to a signal handler - but not by using the context argument. Instead, you have to use sigqueue(3) to ... ,void handle_prof_signal(int signal, siginfo_t * info, void * context) } ... Listing 2: Installing a signal handler using sigaction(). ,If the SA_SIGINFO flag is set, the signal-catching function specified by sa_sigaction is invoked as: void function(int signo, siginfo_t *info, void *context);. ,2021年8月27日 — ucontext This is a pointer to a ucontext_t structure, cast to void *. The structure pointed to by this field contains signal context information ... ,2013年3月29日 — Second problem: You can't use setcontext() to leave signal handler and jump into another, previously saved, context. (Or, for that matter, ... ,2018年8月2日 — ucontext This is a pointer to a ucontext_t structure, cast to void *. The structure pointed to by this field contains signal context information ... ,This function is equivalent to using sigaction() one or more times. ... a ucontext_t containing the context information at the of time the signal interrupt. ,c - 使用带有SIG_INFO 的sigaction 处理程序的第三个参数(void* context)会导致段错误 ... 我已将产生问题的巨大光纤调度程序代码减少到以下几行。 我期望的是每次都干净地 ...
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 sigaction context 相關參考資料
Can we send parameters to a signal handler using sigaction?
Yes, you can pass user-supplied data to a signal handler - but not by using the context argument. Instead, you have to use sigqueue(3) to ... https://stackoverflow.com How to Write Advanced Signal Handlers in UNIX - Oracle
void handle_prof_signal(int signal, siginfo_t * info, void * context) } ... Listing 2: Installing a signal handler using sigaction(). https://www.oracle.com sigaction() — Examine or change a signal action - IBM
If the SA_SIGINFO flag is set, the signal-catching function specified by sa_sigaction is invoked as: void function(int signo, siginfo_t *info, void *context);. https://www.ibm.com sigaction(2) - Linux manual page - man7.org
2021年8月27日 — ucontext This is a pointer to a ucontext_t structure, cast to void *. The structure pointed to by this field contains signal context information ... https://man7.org Using the third parameter (void* context) of a sigaction ...
2013年3月29日 — Second problem: You can't use setcontext() to leave signal handler and jump into another, previously saved, context. (Or, for that matter, ... https://stackoverflow.com Why is context in sigaction handler a void pointer? - Stack ...
2018年8月2日 — ucontext This is a pointer to a ucontext_t structure, cast to void *. The structure pointed to by this field contains signal context information ... https://stackoverflow.com __sigactionset() — Examine or change signal actions - IBM
This function is equivalent to using sigaction() one or more times. ... a ucontext_t containing the context information at the of time the signal interrupt. https://www.ibm.com 使用带有SIG_INFO 的sigaction 处理程序的第三个参数(void ...
c - 使用带有SIG_INFO 的sigaction 处理程序的第三个参数(void* context)会导致段错误 ... 我已将产生问题的巨大光纤调度程序代码减少到以下几行。 我期望的是每次都干净地 ... https://www.coder.work |