シグナルの種類はUNIXの種類によって異なります。
killコマンドで確認することができます。
kill -l
solaris、HP-UX、AIXは「/usr/include/sys/signal.h」を参照してください。
Linux は「/usr/include/asm/signal.h」を参照してください。
| 1 | SIGHUP | Hang up. |
| 2 | SIGINT | Terminal interrupt signal. |
| 3 | SIGQUIT | Terminal quit signal. |
| 4 | SIGILL | Illegal instruction. |
| 5 | SIGTRAP | Trace/breakpoint trap. |
| 6 | SIGABRT | Process abort signal. |
| 7 | SIGBUS | Access to an undefined portion of a memory object. |
| 8 | SIGFPE | Erroneous arithmetic operation. |
| 9 | SIGKILL | Kill (cannot be caught or ignored). |
| 10 | SIGUSR1 | User-defined signal 1. |
| 11 | SIGSEGV | Invalid memory reference. |
| 12 | SIGUSR2 | User-defined signal 2. |
| 13 | SIGPIPE | Write on a pipe with no one to read it. |
| 14 | SIGALRM | Alarm clock. |
| 15 | SIGTERM | Termination signal. |
| 17 | SIGCHLD | Child process terminated, stopped or continued. |
| 18 | SIGCONT | Continue executing, if stopped. |
| 19 | SIGSTOP | Stop executing (cannot be caught or ignored). |
| 20 | SIGTSTP | Terminal stop signal. |
| 21 | SIGTTIN | Background process attempting read. |
| 22 | SIGTTOU | Background process attempting write. |
| 23 | SIGURG | High bandwidth data is available at a socket. |
| 24 | SIGXCPU | CPU time limit exceeded. |
| 25 | SIGXFSZ | File size limit exceeded. |
| 26 | SIGVTALRM | Virtual timer expired. |
| 27 | SIGPROF | Profiling timer expired. |
| 29 | SIGPOLL | Pollable event. |
| 31 | SIGSYS | Bad system call. |