Linux/.i386中的部分信号 学 Signal name Default action Comment POSIX 1 SIGHUP Terminate Hang up controlling terminal or process Yes 2 SIGINT Terminate Interrupt from keyboard Yes 3 SIGQUIT Dump Quit from keyboard Yes 4 SIGILL Dump Illegal instruction Yes 5 SIGTRAP Dump Breakpoint for debugging No 6 SIGABRT Dump Abnormal termination Yes 6 SIGIOT Dump Equivalent to SIGABRT No 1 SIGBUS Dump Bus error No 8 SIGFPE Dump Floating-point exception Yes 9 SIGKILL Terminate Forced-process termination Yes 10 SIGUSR1 Terminate Available to processes Yes 11 SIGSEGV Dump Invalid memory reference Yes 12 SIGUSR2 Terminate Available to processes Yes 13 SIGPIPE Terminate Write to pipe with no readers Yes 14 SIGALRM Terminate Real-timerclock Yes 15 SIGTERM Terminate Process termination Yes 16 SIGSTKFLT Terminate Coprocessor stack error No 17 SIGCHLD Ignore Child process stopped or terminated,or got signal if traced Yes 18 SIGCONT Continue Resume execution,if stopped Yes2023/7/14 Linux OS analysis 9/58 Linux/i386中的部分信号