Signal Name Signal 說明
SIGHUP
1
Terminal line hangup
SIGINT
2
Interrupt program
SIGQUIT
3
Quit program
SIGILL
4
Illeal instruction
SIGTRAP
5
Trace trap
SIGABRT
6
Abort
SIGEMT
7
Emulate instruction executed
SIGFPE
8
Floatin-point exception
SIGKILL
9
Kill program
SIGBUS
10
Bus error
SIGSEGV
11
Segmentation violation
SIGSYS
12
Bad argument to system call
SIGPIPE
13
Write on a pipe with no one to read it
SIGALRM
14
Real-time timer expired
SIGBBTERM
15
Software termination signal
SIGURG
16
Urent condition on I/O channel
SIGSTOP
17
Stop signal not from terminal
SIGTS0TP
18
Stop signal from terminal
SIGCONT
19
A stopped process is being continued
SIGCHLD
20
Notification to parent on child stop or exit
SIGTTIN
21
Read on terminal by background process
SIGTTOU
22
Write to terminal by background process
SIGIO
23
I/O possible on a descriptor
SIGXCPU
24
CPU time limit exceeded
SIGXFSZ
25
File-size limit exceeded
SIGVTALRM
26
Virtual timer expired
SIGPROF
27
Profiling timer expired
SIGWINCH
28
Window size changed
SIGINFO
29
Information request
SIGUSR1
30
User-defined signal 1
SIGUSR2
31
User-defined signal 2
SIGTHR
32
Thread interrupt
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