he > Ooops. No, you a re asking about tasks, not threads. That is easier. > The answer is no: One task exiting has not effect at all any other tasks. >
The question is confusing because it asks about killing other threads (aka pthreads) when the main (task) exits. But the example shows only tasks (main threads). https://cwiki.apache.org/confluence/display/NUTTX/Tasks+vs.+Threads+FAQ > >> On Sun, Jan 15, 2023 at 5:25 PM Alan C. Assis <acas...@gmail.com> wrote: >> >>> Dear NuttXers, >>> >>> I want to know if there are some hidden configuration that forces all >>> children to die when the father task die. >>> >>> Currently only teh main task dies: >>> >>> nsh> family & >>> >>> nsh> ps >>> PID GROUP PRI POLICY TYPE NPX STATE EVENT SIGMASK STACK >>> COMMAND >>> ... >>> 27 27 100 RR Task --- Waiting Signal 00000000 004032 >>> family >>> 28 28 100 RR Task --- Waiting Semaphore 00000000 >>> 004032 child1_daemon >>> 29 29 100 RR Task --- Waiting Signal 00000000 >>> 004032 child2_daemon >>> 30 30 100 RR Task --- Waiting Signal 00000000 >>> 001984 child3_daemon >>> >>> nsh> kill 27 >>> nsh> ps >>> PID GROUP PRI POLICY TYPE NPX STATE EVENT SIGMASK STACK >>> COMMAND >>> ... >>> 28 28 100 RR Task --- Waiting Signal 00000000 >>> 004032 child1_daemon >>> 29 29 100 RR Task --- Waiting Signal 00000000 >>> 004032 child2_daemon >>> 30 30 100 RR Task --- Waiting Signal 00000000 >>> 001984 child3_daemon >>> >>> I could setup a signal handling to handle the kill signal in the main >>> task and use it to change the value of some conditional variable that >>> maintain the threads loop of each child running, this is is an option, >>> but maybe there are better option. >>> >>> Please let me know how you are solving this issue. >>> >>> BR, >>> >>> Alan >>> >>
