81   AddSignal(1,      "SIGHUP",       false,    true,   true,   "hangup");  in Reset()
82   AddSignal(2,      "SIGINT",       true,     true,   true,   "interrupt");  in Reset()
83   AddSignal(3,      "SIGQUIT",      false,    true,   true,   "quit");  in Reset()
84   AddSignal(4,      "SIGILL",       false,    true,   true,   "illegal instruction");  in Reset()
85   AddSignal(5,      "SIGTRAP",      true,     true,   true,   "trace trap (not reset when caught)");  in Reset()
86   AddSignal(6,      "SIGABRT",      false,    true,   true,   "abort()");  in Reset()
87   AddSignal(7,      "SIGEMT",       false,    true,   true,   "pollable event");  in Reset()
88   AddSignal(8,      "SIGFPE",       false,    true,   true,   "floating point exception");  in Reset()
89   AddSignal(9,      "SIGKILL",      false,    true,   true,   "kill");  in Reset()
90   AddSignal(10,     "SIGBUS",       false,    true,   true,   "bus error");  in Reset()
91   AddSignal(11,     "SIGSEGV",      false,    true,   true,   "segmentation violation");  in Reset()
92   AddSignal(12,     "SIGSYS",       false,    true,   true,   "bad argument to system call");  in Reset()
93 …AddSignal(13,     "SIGPIPE",      false,    false,  false,  "write on a pipe with no one to read i…  in Reset()
94   AddSignal(14,     "SIGALRM",      false,    false,  false,  "alarm clock");  in Reset()
95 …AddSignal(15,     "SIGTERM",      false,    true,   true,   "software termination signal from kill…  in Reset()
96   AddSignal(16,     "SIGURG",       false,    false,  false,  "urgent condition on IO channel");  in Reset()
97   AddSignal(17,     "SIGSTOP",      true,     true,   true,   "sendable stop signal not from tty");  in Reset()
98   AddSignal(18,     "SIGTSTP",      false,    true,   true,   "stop signal from tty");  in Reset()
99   AddSignal(19,     "SIGCONT",      false,    false,  true,   "continue a stopped process");  in Reset()
100   AddSignal(20,     "SIGCHLD",      false,    false,  false,  "to parent on child stop or exit");  in Reset()
101 …AddSignal(21,     "SIGTTIN",      false,    true,   true,   "to readers process group upon backgro…  in Reset()
102 …AddSignal(22,     "SIGTTOU",      false,    true,   true,   "to readers process group upon backgro…  in Reset()
103   AddSignal(23,     "SIGIO",        false,    false,  false,  "input/output possible signal");  in Reset()
104   AddSignal(24,     "SIGXCPU",      false,    true,   true,   "exceeded CPU time limit");  in Reset()
105   AddSignal(25,     "SIGXFSZ",      false,    true,   true,   "exceeded file size limit");  in Reset()
106   AddSignal(26,     "SIGVTALRM",    false,    false,  false,  "virtual time alarm");  in Reset()
107   AddSignal(27,     "SIGPROF",      false,    false,  false,  "profiling time alarm");  in Reset()
108   AddSignal(28,     "SIGWINCH",     false,    false,  false,  "window size changes");  in Reset()
109   AddSignal(29,     "SIGINFO",      false,    true,   true,   "information request");  in Reset()
110   AddSignal(30,     "SIGUSR1",      false,    true,   true,   "user defined signal 1");  in Reset()
111   AddSignal(31,     "SIGUSR2",      false,    true,   true,   "user defined signal 2");  in Reset()
115 void UnixSignals::AddSignal(int signo, const char *name, bool default_suppress,  in AddSignal()  function in UnixSignals