OJ的runtime error exit code对应SIGTERM代码

Signal Name Number  Description
SIGHUP  1   Hangup (POSIX)
SIGINT  2   Terminal interrupt (ANSI)
SIGQUIT 3   Terminal quit (POSIX)
SIGILL  4   Illegal instruction (ANSI)
SIGTRAP 5   Trace trap (POSIX)
SIGIOT  6   IOT Trap (4.2 BSD)
SIGBUS  7   BUS error (4.2 BSD)
SIGFPE  8   Floating point exception (ANSI)
SIGKILL 9   Kill(can't be caught or ignored) (POSIX)
SIGUSR1 10  User defined signal 1 (POSIX)
SIGSEGV 11  Invalid memory segment access (ANSI)
SIGUSR2 12  User defined signal 2 (POSIX)
SIGPIPE 13  Write on a pipe with no reader, Broken pipe (POSIX)
SIGALRM 14  Alarm clock (POSIX)
SIGTERM 15  Termination (ANSI)
SIGSTKFLT   16  Stack fault
SIGCHLD 17  Child process has stopped or exited, changed (POSIX)
SIGCONT 18  Continue executing, if stopped (POSIX)
SIGSTOP 19  Stop executing(can't be caught or ignored) (POSIX)
SIGTSTP 20  Terminal stop signal (POSIX)
SIGTTIN 21  Background process trying to read, from TTY (POSIX)
SIGTTOU 22  Background process trying to write, to TTY (POSIX)
SIGURG  23  Urgent condition on socket (4.2 BSD)
SIGXCPU 24  CPU limit exceeded (4.2 BSD)
SIGXFSZ 25  File size limit exceeded (4.2 BSD)
SIGVTALRM   26  Virtual alarm clock (4.2 BSD)
SIGPROF 27  Profiling alarm clock (4.2 BSD)
SIGWINCH    28  Window size change (4.3 BSD, Sun)
SIGIO   29  I/O now possible (4.2 BSD)
SIGPWR  30  Power failure restart (System V)

更多请参考Linux主题。