[unix-history] / usr / man / man3 / psignal.3

.TH PSIGNAL 3 "25 February 1983"
.UC 4
.SH NAME
psignal, sys_siglist \- system signal messages
.SH SYNOPSIS
.nf
.B psignal(sig, s)
.B unsigned sig;
.B char *s;
.PP
.B char *sys_siglist[];
.fi
.SH DESCRIPTION
.I Psignal
produces a short message
on the standard error file
describing the indicated signal.
First the argument string
.I s
is printed, then a colon, then the name of the signal
and a new-line.
Most usefully, the argument string is the name
of the program which incurred the signal.
The signal number should be from among those found
in
.IR <signal.h> .
.PP
To simplify variant formatting
of signal names, the vector of message strings
.I sys_siglist
is provided;
the signal number
can be used as an index in this table to get the
signal name without the newline.
The define NSIG defined in
.RI < signal.h >
is the number of messages provided for in the table;
it should be checked because new
signals may be added to the system before
they are added to the table.
.SH "SEE ALSO"
sigvec(2),
perror(3)
Commit	Line	Data
98c49243 C	1	.TH PSIGNAL 3 "25 February 1983"
	2	.UC 4
	3	.SH NAME
	4	psignal, sys_siglist \- system signal messages
	5	.SH SYNOPSIS
	6	.nf
	7	.B psignal(sig, s)
	8	.B unsigned sig;
	9	.B char *s;
	10	.PP
	11	.B char *sys_siglist[];
	12	.fi
	13	.SH DESCRIPTION
	14	.I Psignal
	15	produces a short message
	16	on the standard error file
	17	describing the indicated signal.
	18	First the argument string
	19	.I s
	20	is printed, then a colon, then the name of the signal
	21	and a new-line.
	22	Most usefully, the argument string is the name
	23	of the program which incurred the signal.
	24	The signal number should be from among those found
	25	in
	26	.IR <signal.h> .
	27	.PP
	28	To simplify variant formatting
	29	of signal names, the vector of message strings
	30	.I sys_siglist
	31	is provided;
	32	the signal number
	33	can be used as an index in this table to get the
	34	signal name without the newline.
	35	The define NSIG defined in
	36	.RI < signal.h >
	37	is the number of messages provided for in the table;
	38	it should be checked because new
	39	signals may be added to the system before
	40	they are added to the table.
	41	.SH "SEE ALSO"
	42	sigvec(2),
	43	perror(3)