void Launcher::signal(int code) { /* 1 HUP 2 INT 3 QUIT 4 ILL 5 TRAP 6 ABRT 7 BUS 8 FPE 9 KILL 10 USR1 11 SEGV 12 USR2 13 PIPE 14 ALRM 15 TERM 16 STKFLT 17 CHLD 18 CONT 19 STOP 20 TSTP 21 TTIN 22 TTOU 23 URG 24 XCPU 25 XFSZ 26 VTALRM 27 PROF 28 WINCH 29 POLL 30 PWR 31 SYS Operation WinCode NixCode Status 128 1 (HUP) Terminate N/A 2 (INT) Linux or macOS uses this for CTRL-C. 129 3 130 4 131 5 132 6 133 7 8 9 10 11 12 13 14 Terminate N/A 15 (TERM) Linux or macOS uses this for CTRL-C. 16 N/A 17 (CHILD) Child process exited. N/A 28 WINCH, window changed size. */ // Convert to lower range if (code >= 128) { code -= 127; } event_queue.push(code); }