A/UX® Programmer's Reference Sections

signal(3) signal(3)
NAME
signal - specify what to do upon receipt of a signal
SYNOPSIS
finclude
int (* signal (sig, June)) ()
int sig;
void (*fune) () ;
DESCRIPTION
signal allows the calling process to choose one of three ways in
which it is possible to handle the receipt of a specific signal. sig
specifies the signal andJune specifies the choice.
sig can be assigned anyone of the following except S I GKI LL:
1
SIGHUP 1
SIGINT 2
SIGQUIT 3*
SIGILL 4*
SIGTRAP 5*
SIGIOT 6*
SIGEMT 7*
SIGFPE 8*
SIGKILL 9
SIGBUS 10*
SIGSEGV 11*
SIGSYS 12*
SIGPIPE 13
SIGALRM 14
SIGTERM 15
SIGUSRl 16
SIGUSR2 17
SIGCLD IS.
SIGPWR 19
SIGTSTP 20t
SIGTTIN 21t
SIGTTOU 22t
SIGSTOP 23t
SIGXCPU 24
SIGXFSZ 25
SIGVTALRM 26
SIGPROF 27
SIGWINCH 28.
hangup
interrupt
quit
illegal instruction
trace trap
lOT instruction
EMT instruction
floating point exception
kill (cannot be caught, blocked. or ignored)
bus error
segmentation violation
bad argument to system call
write on a pipe with no one to read it
alarm clock
software termination signal
user defined signal 1
user defined signal 2
child status has changed
power-fail restart
stop signal generated from keyboard
background read attempted from control terminal
background write attempted to control terminal
stop (cannot be caught, blocked, or ignored)
cpu time limit exceeded
file size limit exceeded
virtual time alarm (see seti timer(2»
profiling timer alarm (see setitimer(2»
window size change
February, 1990
Revision C