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sig.c (36285) sig.c (45126)
1/*-
2 * Copyright (c) 1997 Brian Somers <brian@Awfulhak.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 9 unchanged lines hidden (view full) ---

18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
1/*-
2 * Copyright (c) 1997 Brian Somers <brian@Awfulhak.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 9 unchanged lines hidden (view full) ---

18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $Id: sig.c,v 1.11.2.5 1998/05/01 19:25:56 brian Exp $
26 * $Id: sig.c,v 1.13 1998/05/21 21:48:20 brian Exp $
27 */
28
29#include <sys/types.h>
30
31#include <signal.h>
32
33#include "log.h"
34#include "sig.h"
35
36static int caused[NSIG]; /* An array of pending signals */
27 */
28
29#include <sys/types.h>
30
31#include <signal.h>
32
33#include "log.h"
34#include "sig.h"
35
36static int caused[NSIG]; /* An array of pending signals */
37static int necessary; /* Anything set ? */
37static sig_type handler[NSIG]; /* all start at SIG_DFL */
38
39
40/* Record a signal in the "caused" array */
41
42static void
43signal_recorder(int sig)
44{
45 caused[sig - 1]++;
38static sig_type handler[NSIG]; /* all start at SIG_DFL */
39
40
41/* Record a signal in the "caused" array */
42
43static void
44signal_recorder(int sig)
45{
46 caused[sig - 1]++;
47 necessary = 1;
46}
47
48
49/*
50 * Set up signal_recorder, and record handler as the function to ultimately
51 * call in handle_signal()
52*/
53

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72 }
73 caused[sig - 1] = 0;
74 return Result;
75}
76
77
78/* Call the handlers for any pending signals */
79
48}
49
50
51/*
52 * Set up signal_recorder, and record handler as the function to ultimately
53 * call in handle_signal()
54*/
55

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74 }
75 caused[sig - 1] = 0;
76 return Result;
77}
78
79
80/* Call the handlers for any pending signals */
81
80void
82int
81sig_Handle()
82{
83 int sig;
84 int got;
83sig_Handle()
84{
85 int sig;
86 int got;
87 int result;
85
88
86 do {
87 got = 0;
88 for (sig = 0; sig < NSIG; sig++)
89 if (caused[sig]) {
90 caused[sig]--;
91 got++;
92 (*handler[sig]) (sig + 1);
93 }
94 } while (got);
89 result = 0;
90 if (necessary) {
91 /* We've *probably* got something in `caused' set */
92 necessary = 0;
93 /* `necessary' might go back to 1 while we're in here.... */
94 do {
95 got = 0;
96 for (sig = 0; sig < NSIG; sig++)
97 if (caused[sig]) {
98 caused[sig]--;
99 got++;
100 result++;
101 (*handler[sig])(sig + 1);
102 }
103 } while (got);
104 }
105
106 return result;
95}
107}