1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/* -*- C -*-
*
* $HEADER$
*
* A test to trap user signals
*/
#include "orte_config.h"
#include <stdio.h>
#include <signal.h>
#include "orte/util/name_fns.h"
#include "orte/util/proc_info.h"
#include "orte/runtime/orte_globals.h"
#include "orte/runtime/runtime.h"
/* yeah, we know it isn't safe to call fprintf inside signal handlers,
* but this is good enough for this test
*/
void sigusr_handler(int signum)
{
switch (signum) {
case SIGUSR1:
fprintf(stderr, "%s Trapped SIGUSR1\n", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
break;
case SIGUSR2:
fprintf(stderr, "%s Trapped SIGUSR2\n", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
return;
default:
fprintf(stderr, "%s Undefined signal %d trapped\n", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), signum);
return;
}
}
void exit_handler(int signum)
{
int rc;
switch (signum) {
case SIGINT:
fprintf(stderr, "%s Trapped SIGINT\n", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
break;
case SIGHUP:
fprintf(stderr, "%s Trapped SIGHUP\n", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
break;
case SIGTERM:
fprintf(stderr, "%s Trapped SIGTERM\n", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
break;
default:
fprintf(stderr, "%s Undefined signal %d trapped\n", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), signum);
break;
}
exit(1);
}
int main(int argc, char* argv[])
{
int rc;
int i;
double pi;
orte_init(&argc, &argv, ORTE_PROC_TOOL);
if (signal(SIGUSR1, sigusr_handler) == SIG_IGN) {
fprintf(stderr, "Could not setup signal trap for SIGUSR1\n");
exit(1);
}
if (signal(SIGUSR2, sigusr_handler) == SIG_IGN) {
fprintf(stderr, "Could not setup signal trap for SIGUSR2\n");
exit(1);
}
if (signal(SIGINT, exit_handler) == SIG_IGN) {
fprintf(stderr, "Could not setup signal trap for SIGINT\n");
exit(1);
}
if (signal(SIGHUP, exit_handler) == SIG_IGN) {
fprintf(stderr, "Could not setup signal trap for SIGHUP\n");
exit(1);
}
if (signal(SIGTERM, exit_handler) == SIG_IGN) {
fprintf(stderr, "Could not setup signal trap for SIGTERM\n");
exit(1);
}
i = 0;
while (1) {
i++;
pi = i / 3.14159256;
if (i > 100) i = 0;
}
return 0;
}
|
