You should see all signals and their codes in your system using: kill -l
In my Debian GNU/Linux 7.6 (wheezy):
1) SIGHUP 2) SIGINT 3) SIGQUIT 4) SIGILL 5) SIGTRAP
6) SIGABRT 7) SIGBUS 8) SIGFPE 9) SIGKILL 10) SIGUSR1
11) SIGSEGV 12) SIGUSR2 13) SIGPIPE 14) SIGALRM 15) SIGTERM
16) SIGSTKFLT 17) SIGCHLD 18) SIGCONT 19) SIGSTOP 20) SIGTSTP
21) SIGTTIN 22) SIGTTOU 23) SIGURG 24) SIGXCPU 25) SIGXFSZ
26) SIGVTALRM 27) SIGPROF 28) SIGWINCH 29) SIGIO 30) SIGPWR
31) SIGSYS 34) SIGRTMIN 35) SIGRTMIN+1 36) SIGRTMIN+2 37) SIGRTMIN+3
38) SIGRTMIN+4 39) SIGRTMIN+5 40) SIGRTMIN+6 41) SIGRTMIN+7 42) SIGRTMIN+8
43) SIGRTMIN+9 44) SIGRTMIN+10 45) SIGRTMIN+11 46) SIGRTMIN+12 47) SIGRTMIN+13
48) SIGRTMIN+14 49) SIGRTMIN+15 50) SIGRTMAX-14 51) SIGRTMAX-13 52) SIGRTMAX-12
53) SIGRTMAX-11 54) SIGRTMAX-10 55) SIGRTMAX-9 56) SIGRTMAX-8 57) SIGRTMAX-7
58) SIGRTMAX-6 59) SIGRTMAX-5 60) SIGRTMAX-4 61) SIGRTMAX-3 62) SIGRTMAX-2
63) SIGRTMAX-1 64) SIGRTMAX
Predefined Constants
The following list of signals are supported by the Process Control functions. Please see your systems signal(7) man page for details of the default behavior of these signals.
-
SIG_* constants
-
SIG_IGN(int) -
SIG_DFL(int) -
SIG_ERR(int) -
SIGHUP(int) -
SIGINFO(int) -
SIGINT(int) -
SIGQUIT(int) -
SIGILL(int) -
SIGTRAP(int) -
SIGABRT(int) -
SIGIOT(int) -
SIGBUS(int) -
SIGFPE(int) -
SIGKILL(int) -
SIGUSR1(int) -
SIGSEGV(int) -
SIGUSR2(int) -
SIGPIPE(int) -
SIGALRM(int) -
SIGTERM(int) -
SIGSTKFLT(int) -
SIGCLD(int) -
SIGCHLD(int) -
SIGCONT(int) -
SIGSTOP(int) -
SIGTSTP(int) -
SIGTTIN(int) -
SIGTTOU(int) -
SIGURG(int) -
SIGXCPU(int) -
SIGXFSZ(int) -
SIGVTALRM(int) -
SIGPROF(int) -
SIGWINCH(int) -
SIGPOLL(int) -
SIGIO(int) -
SIGPWR(int) -
SIGSYS(int) -
SIGBABY(int) -
SIG_BLOCK(int) -
SIG_UNBLOCK(int) -
SIG_SETMASK(int)
-
SI_* constants
-
SI_USER(int) -
SI_NOINFO(int) -
SI_KERNEL(int) -
SI_QUEUE(int) -
SI_TIMER(int) -
SI_MSGGQ(int) -
SI_ASYNCIO(int) -
SI_SIGIO(int) -
SI_TKILL(int)
-
CLD_* constants
-
CLD_EXITED(int) -
CLD_KILLED(int) -
CLD_DUMPED(int) -
CLD_TRAPPED(int) -
CLD_STOPPED(int) -
CLD_CONTINUED(int)
-
POLL_* constants
-
POLL_IN(int) -
POLL_OUT(int) -
POLL_MSG(int) -
POLL_ERR(int) -
POLL_PRI(int) -
POLL_HUP(int)
-
ILL_* constants
-
ILL_ILLOPC(int) -
ILL_ILLOPN(int) -
ILL_ILLADR(int) -
ILL_ILLTRP(int) -
ILL_PRVOPC(int) -
ILL_PRVREG(int) -
ILL_COPROC(int) -
ILL_BADSTK(int)
-
FPE_* constants
-
FPE_INTDIV(int) -
FPE_INTOVF(int) -
FPE_FLTDIV(int) -
FPE_FLTOVF(int) -
FPE_FLTUND(int) -
FPE_FLTRES(int) -
FPE_FLTINV(int) -
FPE_FLTSUB(int)
-
CLONE_* constants
-
CLONE_NEWNS(int) - Available as of PHP 7.4.0
-
CLONE_NEWIPC(int) - Available as of PHP 7.4.0
-
CLONE_NEWUTS(int) - Available as of PHP 7.4.0
-
CLONE_NEWNET(int) - Available as of PHP 7.4.0
-
CLONE_NEWPID(int) - Available as of PHP 7.4.0
-
CLONE_NEWUSER(int) - Available as of PHP 7.4.0
-
CLONE_NEWCGROUP(int) - Available as of PHP 7.4.0
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User Contributed Notes 3 notes
coder dot ua at gmail dot com ¶
10 years ago
eclecticrob at gmail dot com ¶
12 years ago
On OS X, the values of the constants are:
SIGHUP = 1
SIGINT = 2
SIGQUIT = 3
SIGILL = 4
SIGTRAP = 5
SIGABRT = 6
SIGIOT = 6
SIGBUS = 10
SIGFPE = 8
SIGUSR1 = 30
SIGSEGV = 11
SIGUSR2 = 31
SIGPIPE = 13
SIGALRM = 14
SIGTERM = 15
SIGSTKFLT not defined
SIGCLD not defined
SIGCHLD = 20
SIGCONT = 19
SIGTSTP = 18
SIGTTIN = 21
SIGTTOU = 22
SIGURG = 16
SIGXCPU = 24
SIGXFSZ = 25
SIGVTALRM = 26
SIGPROF = 27
SIGWINCH = 28
SIGPOLL not defined
SIGIO = 23
SIGPWR not defined
SIGSYS = 12
SIGBABY = 12
SIG_BLOCK = 1
SIG_UNBLOCK = 2
SIG_SETMASK = 3
eclecticrob at gmail dot com ¶
12 years ago
On RedHat, the values of the constants are:
Signal SIGHUP = 1
Signal SIGINT = 2
Signal SIGQUIT = 3
Signal SIGILL = 4
Signal SIGTRAP = 5
Signal SIGABRT = 6
Signal SIGIOT = 6
Signal SIGBUS = 7
Signal SIGFPE = 8
Signal SIGUSR1 = 10
Signal SIGSEGV = 11
Signal SIGUSR2 = 12
Signal SIGPIPE = 13
Signal SIGALRM = 14
Signal SIGTERM = 15
Signal SIGSTKFLT = 16
Signal SIGCLD = 17
Signal SIGCHLD = 17
Signal SIGCONT = 18
Signal SIGTSTP = 20
Signal SIGTTIN = 21
Signal SIGTTOU = 22
Signal SIGURG = 23
Signal SIGXCPU = 24
Signal SIGXFSZ = 25
Signal SIGVTALRM = 26
Signal SIGPROF = 27
Signal SIGWINCH = 28
Signal SIGPOLL = 29
Signal SIGIO = 29
Signal SIGPWR = 30
Signal SIGSYS = 31
Signal SIGBABY = 31
Signal SIG_BLOCK = 0
Signal SIG_UNBLOCK = 1
Signal SIG_SETMASK = 2
