Signal 1088 modules/up/src/Core/sys/File.cc sig = new Signal("ttou", NULL);
Signal 1089 modules/up/src/Core/sys/File.cc sig = new Signal("ttin", NULL);
Signal 1090 modules/up/src/Core/sys/File.cc sig = new Signal("tstp", NULL);
Signal 1110 modules/up/src/Core/sys/File.cc sig = new Signal("hup", NULL);