| 80 | void ActionIgnore(int sig, siginfo_t* info, void* context) {} |
| 81 | |
| 82 | void SetupSignals() { |
| 83 | // Setup our signal handlers now so we can capture some events |
| 84 | struct sigaction act {}; |
| 85 | act.sa_sigaction = ActionHandler; |
| 86 | act.sa_flags = SA_SIGINFO; |
| 87 | |
| 88 | // SIGTERM if something is trying to terminate us |
| 89 | sigaction(SIGTERM, &act, nullptr); |
| 90 | // SIGINT if something is trying to terminate us |
| 91 | sigaction(SIGINT, &act, nullptr); |
| 92 | |
| 93 | // SIGUSR1 just to interrupt syscalls |
| 94 | act.sa_sigaction = ActionIgnore; |
| 95 | sigaction(SIGUSR1, &act, nullptr); |
| 96 | |
| 97 | // Ignore SIGPIPE, we will be checking for pipe closure which could send this signal |
| 98 | signal(SIGPIPE, SIG_IGN); |
| 99 | // Reset SIGCHLD which is likely SIG_IGN if FEXInterpreter started the server. |
| 100 | // We now wait for child processes with waitpid, newer libfuse also requires SIGCHLD to not be ignored by child processes. |
| 101 | signal(SIGCHLD, SIG_DFL); |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * @brief Deparents itself by forking and terminating the parent process. |