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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
#include <signal.h>
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
struct signal_name {
const char *name;
int number;
};
static const struct signal_name signames[] = {
/* POSIX signals */
{ "EXIT", 0 }, /* 0 */
{ "HUP", SIGHUP }, /* 1 */
{ "INT", SIGINT }, /* 2 */
{ "QUIT", SIGQUIT }, /* 3 */
{ "ILL", SIGILL }, /* 4 */
{ "ABRT", SIGABRT }, /* 6 */
{ "FPE", SIGFPE }, /* 8 */
{ "KILL", SIGKILL }, /* 9 */
{ "SEGV", SIGSEGV }, /* 11 */
{ "PIPE", SIGPIPE }, /* 13 */
{ "ALRM", SIGALRM }, /* 14 */
{ "TERM", SIGTERM }, /* 15 */
{ "USR1", SIGUSR1 }, /* 10 (arm,i386,m68k,ppc), 30 (alpha,sparc*), 16 (mips) */
{ "USR2", SIGUSR2 }, /* 12 (arm,i386,m68k,ppc), 31 (alpha,sparc*), 17 (mips) */
{ "CHLD", SIGCHLD }, /* 17 (arm,i386,m68k,ppc), 20 (alpha,sparc*), 18 (mips) */
{ "CONT", SIGCONT }, /* 18 (arm,i386,m68k,ppc), 19 (alpha,sparc*), 25 (mips) */
{ "STOP", SIGSTOP }, /* 19 (arm,i386,m68k,ppc), 17 (alpha,sparc*), 23 (mips) */
{ "TSTP", SIGTSTP }, /* 20 (arm,i386,m68k,ppc), 18 (alpha,sparc*), 24 (mips) */
{ "TTIN", SIGTTIN }, /* 21 (arm,i386,m68k,ppc,alpha,sparc*), 26 (mips) */
{ "TTOU", SIGTTOU }, /* 22 (arm,i386,m68k,ppc,alpha,sparc*), 27 (mips) */
/* Miscellaneous other signals */
#ifdef SIGTRAP
{ "TRAP", SIGTRAP }, /* 5 */
#endif
#ifdef SIGIOT
{ "IOT", SIGIOT }, /* 6, same as SIGABRT */
#endif
#ifdef SIGEMT
{ "EMT", SIGEMT }, /* 7 (mips,alpha,sparc*) */
#endif
#ifdef SIGBUS
{ "BUS", SIGBUS }, /* 7 (arm,i386,m68k,ppc), 10 (mips,alpha,sparc*) */
#endif
#ifdef SIGSYS
{ "SYS", SIGSYS }, /* 12 (mips,alpha,sparc*) */
#endif
#ifdef SIGSTKFLT
{ "STKFLT", SIGSTKFLT }, /* 16 (arm,i386,m68k,ppc) */
#endif
#ifdef SIGURG
{ "URG", SIGURG }, /* 23 (arm,i386,m68k,ppc), 16 (alpha,sparc*), 21 (mips) */
#endif
#ifdef SIGIO
{ "IO", SIGIO }, /* 29 (arm,i386,m68k,ppc), 23 (alpha,sparc*), 22 (mips) */
#endif
#ifdef SIGPOLL
{ "POLL", SIGPOLL }, /* same as SIGIO */
#endif
#ifdef SIGCLD
{ "CLD", SIGCLD }, /* same as SIGCHLD (mips) */
#endif
#ifdef SIGXCPU
{ "XCPU", SIGXCPU }, /* 24 (arm,i386,m68k,ppc,alpha,sparc*), 30 (mips) */
#endif
#ifdef SIGXFSZ
{ "XFSZ", SIGXFSZ }, /* 25 (arm,i386,m68k,ppc,alpha,sparc*), 31 (mips) */
#endif
#ifdef SIGVTALRM
{ "VTALRM", SIGVTALRM }, /* 26 (arm,i386,m68k,ppc,alpha,sparc*), 28 (mips) */
#endif
#ifdef SIGPROF
{ "PROF", SIGPROF }, /* 27 (arm,i386,m68k,ppc,alpha,sparc*), 29 (mips) */
#endif
#ifdef SIGPWR
{ "PWR", SIGPWR }, /* 30 (arm,i386,m68k,ppc), 29 (alpha,sparc*), 19 (mips) */
#endif
#ifdef SIGINFO
{ "INFO", SIGINFO }, /* 29 (alpha) */
#endif
#ifdef SIGLOST
{ "LOST", SIGLOST }, /* 29 (arm,i386,m68k,ppc,sparc*) */
#endif
#ifdef SIGWINCH
{ "WINCH", SIGWINCH }, /* 28 (arm,i386,m68k,ppc,alpha,sparc*), 20 (mips) */
#endif
#ifdef SIGUNUSED
{ "UNUSED", SIGUNUSED }, /* 31 (arm,i386,m68k,ppc) */
#endif
{0, 0}
};
/*
if str_sig == NULL returned signal name [*signo],
if str_sig != NULL - set *signo from signal_name,
findings with digit number or with or without SIG-prefix name
if startnum=0 flag for support finding zero signal,
but str_sig="0" always found, (hmm - standart or realize?)
if startnum<0 returned reverse signal_number <-> signal_name
if found error - returned NULL
*/
const char *
u_signal_names(const char *str_sig, int *signo, int startnum)
{
static char retstr[16];
const struct signal_name *s = signames;
static const char prefix[] = "SIG";
const char *sptr;
if(startnum)
s++;
if(str_sig==NULL) {
while (s->name != 0) {
if(s->number == *signo)
break;
s++;
}
} else {
if (isdigit(((unsigned char)*str_sig))) {
char *endp;
long int sn = strtol(str_sig, &endp, 10);
/* test correct and overflow */
if(*endp == 0 && sn >= 0 && sn < NSIG) {
*signo = (int)sn;
/* test for unnamed */
sptr = u_signal_names(0, signo, 0);
if(sptr==NULL)
return NULL;
if(sn!=0)
sptr += 3;
return sptr;
}
} else {
sptr = str_sig;
while (s->name != 0) {
if (strcasecmp(s->name, sptr) == 0) {
*signo = s->number;
if(startnum<0) {
sprintf(retstr, "%d", *signo);
return retstr;
}
break;
}
if(s!=signames && sptr == str_sig &&
strncasecmp(sptr, prefix, 3) == 0) {
sptr += 3; /* strlen(prefix) */
continue;
}
sptr = str_sig;
s++;
}
}
}
if(s->name==0)
return NULL;
if(s!=signames)
strcpy(retstr, prefix);
else
retstr[0] = 0;
return strcat(retstr, s->name);
}
|
