]>
Commit | Line | Data |
---|---|---|
6855f6e8 | 1 | /* |
ffe8cabd KZ |
2 | * No copyright is claimed. This code is in the public domain; do with |
3 | * it what you wish. | |
4 | ||
5 | * Written by: | |
6 | * Sami Kerola <kerolasa@iki.fi> | |
7 | * Karel Zak <kzak@redhat.com> | |
8 | * Niklas Hambüchen <mail@nh2.me> | |
6855f6e8 NH |
9 | */ |
10 | ||
11 | #include <ctype.h> /* for isdigit() */ | |
6855f6e8 NH |
12 | #include <signal.h> |
13 | #include <unistd.h> | |
14 | #include <string.h> | |
15 | #include <errno.h> | |
16 | ||
17 | #include "c.h" | |
4f535ae3 | 18 | #include "cctype.h" |
6855f6e8 | 19 | #include "strutils.h" |
c61e986f | 20 | #include "signames.h" |
6855f6e8 | 21 | |
7b41ad36 | 22 | static const struct ul_signal_name { |
c61e986f KZ |
23 | const char *name; |
24 | int val; | |
7b41ad36 | 25 | } ul_signames[] = { |
c61e986f KZ |
26 | /* POSIX signals */ |
27 | { "HUP", SIGHUP }, /* 1 */ | |
28 | { "INT", SIGINT }, /* 2 */ | |
29 | { "QUIT", SIGQUIT }, /* 3 */ | |
30 | { "ILL", SIGILL }, /* 4 */ | |
31 | #ifdef SIGTRAP | |
32 | { "TRAP", SIGTRAP }, /* 5 */ | |
33 | #endif | |
34 | { "ABRT", SIGABRT }, /* 6 */ | |
35 | #ifdef SIGIOT | |
36 | { "IOT", SIGIOT }, /* 6, same as SIGABRT */ | |
37 | #endif | |
38 | #ifdef SIGEMT | |
39 | { "EMT", SIGEMT }, /* 7 (mips,alpha,sparc*) */ | |
40 | #endif | |
41 | #ifdef SIGBUS | |
42 | { "BUS", SIGBUS }, /* 7 (arm,i386,m68k,ppc), 10 (mips,alpha,sparc*) */ | |
43 | #endif | |
44 | { "FPE", SIGFPE }, /* 8 */ | |
45 | { "KILL", SIGKILL }, /* 9 */ | |
46 | { "USR1", SIGUSR1 }, /* 10 (arm,i386,m68k,ppc), 30 (alpha,sparc*), 16 (mips) */ | |
47 | { "SEGV", SIGSEGV }, /* 11 */ | |
48 | { "USR2", SIGUSR2 }, /* 12 (arm,i386,m68k,ppc), 31 (alpha,sparc*), 17 (mips) */ | |
49 | { "PIPE", SIGPIPE }, /* 13 */ | |
50 | { "ALRM", SIGALRM }, /* 14 */ | |
51 | { "TERM", SIGTERM }, /* 15 */ | |
52 | #ifdef SIGSTKFLT | |
53 | { "STKFLT", SIGSTKFLT }, /* 16 (arm,i386,m68k,ppc) */ | |
54 | #endif | |
55 | { "CHLD", SIGCHLD }, /* 17 (arm,i386,m68k,ppc), 20 (alpha,sparc*), 18 (mips) */ | |
56 | #ifdef SIGCLD | |
57 | { "CLD", SIGCLD }, /* same as SIGCHLD (mips) */ | |
58 | #endif | |
59 | { "CONT", SIGCONT }, /* 18 (arm,i386,m68k,ppc), 19 (alpha,sparc*), 25 (mips) */ | |
60 | { "STOP", SIGSTOP }, /* 19 (arm,i386,m68k,ppc), 17 (alpha,sparc*), 23 (mips) */ | |
61 | { "TSTP", SIGTSTP }, /* 20 (arm,i386,m68k,ppc), 18 (alpha,sparc*), 24 (mips) */ | |
62 | { "TTIN", SIGTTIN }, /* 21 (arm,i386,m68k,ppc,alpha,sparc*), 26 (mips) */ | |
63 | { "TTOU", SIGTTOU }, /* 22 (arm,i386,m68k,ppc,alpha,sparc*), 27 (mips) */ | |
64 | #ifdef SIGURG | |
65 | { "URG", SIGURG }, /* 23 (arm,i386,m68k,ppc), 16 (alpha,sparc*), 21 (mips) */ | |
66 | #endif | |
67 | #ifdef SIGXCPU | |
68 | { "XCPU", SIGXCPU }, /* 24 (arm,i386,m68k,ppc,alpha,sparc*), 30 (mips) */ | |
69 | #endif | |
70 | #ifdef SIGXFSZ | |
71 | { "XFSZ", SIGXFSZ }, /* 25 (arm,i386,m68k,ppc,alpha,sparc*), 31 (mips) */ | |
72 | #endif | |
73 | #ifdef SIGVTALRM | |
74 | { "VTALRM", SIGVTALRM }, /* 26 (arm,i386,m68k,ppc,alpha,sparc*), 28 (mips) */ | |
75 | #endif | |
76 | #ifdef SIGPROF | |
77 | { "PROF", SIGPROF }, /* 27 (arm,i386,m68k,ppc,alpha,sparc*), 29 (mips) */ | |
78 | #endif | |
79 | #ifdef SIGWINCH | |
80 | { "WINCH", SIGWINCH }, /* 28 (arm,i386,m68k,ppc,alpha,sparc*), 20 (mips) */ | |
81 | #endif | |
82 | #ifdef SIGIO | |
83 | { "IO", SIGIO }, /* 29 (arm,i386,m68k,ppc), 23 (alpha,sparc*), 22 (mips) */ | |
84 | #endif | |
85 | #ifdef SIGPOLL | |
86 | { "POLL", SIGPOLL }, /* same as SIGIO */ | |
87 | #endif | |
88 | #ifdef SIGINFO | |
89 | { "INFO", SIGINFO }, /* 29 (alpha) */ | |
90 | #endif | |
91 | #ifdef SIGLOST | |
92 | { "LOST", SIGLOST }, /* 29 (arm,i386,m68k,ppc,sparc*) */ | |
93 | #endif | |
94 | #ifdef SIGPWR | |
95 | { "PWR", SIGPWR }, /* 30 (arm,i386,m68k,ppc), 29 (alpha,sparc*), 19 (mips) */ | |
96 | #endif | |
97 | #ifdef SIGUNUSED | |
98 | { "UNUSED", SIGUNUSED }, /* 31 (arm,i386,m68k,ppc) */ | |
99 | #endif | |
100 | #ifdef SIGSYS | |
101 | { "SYS", SIGSYS }, /* 31 (mips,alpha,sparc*) */ | |
102 | #endif | |
103 | }; | |
6855f6e8 NH |
104 | |
105 | #ifdef SIGRTMIN | |
b6e1977d | 106 | static int rtsig_to_signum(const char *sig) |
6855f6e8 NH |
107 | { |
108 | int num, maxi = 0; | |
109 | char *ep = NULL; | |
110 | ||
4f535ae3 | 111 | if (c_strncasecmp(sig, "min+", 4) == 0) |
6855f6e8 | 112 | sig += 4; |
4f535ae3 | 113 | else if (c_strncasecmp(sig, "max-", 4) == 0) { |
6855f6e8 NH |
114 | sig += 4; |
115 | maxi = 1; | |
116 | } | |
117 | if (!isdigit(*sig)) | |
118 | return -1; | |
119 | errno = 0; | |
120 | num = strtol(sig, &ep, 10); | |
121 | if (!ep || sig == ep || errno || num < 0) | |
122 | return -1; | |
123 | num = maxi ? SIGRTMAX - num : SIGRTMIN + num; | |
124 | if (num < SIGRTMIN || SIGRTMAX < num) | |
125 | return -1; | |
126 | return num; | |
127 | } | |
128 | #endif | |
129 | ||
b6e1977d | 130 | int signame_to_signum(const char *sig) |
6855f6e8 NH |
131 | { |
132 | size_t n; | |
133 | ||
4f535ae3 | 134 | if (!c_strncasecmp(sig, "sig", 3)) |
6855f6e8 NH |
135 | sig += 3; |
136 | #ifdef SIGRTMIN | |
137 | /* RT signals */ | |
4f535ae3 | 138 | if (!c_strncasecmp(sig, "rt", 2)) |
6855f6e8 NH |
139 | return rtsig_to_signum(sig + 2); |
140 | #endif | |
141 | /* Normal signals */ | |
7b41ad36 | 142 | for (n = 0; n < ARRAY_SIZE(ul_signames); n++) { |
4f535ae3 | 143 | if (!c_strcasecmp(ul_signames[n].name, sig)) |
7b41ad36 | 144 | return ul_signames[n].val; |
6855f6e8 NH |
145 | } |
146 | return -1; | |
147 | } | |
c61e986f KZ |
148 | |
149 | const char *signum_to_signame(int signum) | |
150 | { | |
151 | size_t n; | |
152 | ||
7b41ad36 KZ |
153 | for (n = 0; n < ARRAY_SIZE(ul_signames); n++) { |
154 | if (ul_signames[n].val == signum) { | |
155 | return ul_signames[n].name; | |
c61e986f KZ |
156 | } |
157 | } | |
158 | ||
159 | return NULL; | |
160 | } | |
161 | ||
c61e986f KZ |
162 | int get_signame_by_idx(size_t idx, const char **signame, int *signum) |
163 | { | |
7b41ad36 | 164 | if (idx >= ARRAY_SIZE(ul_signames)) |
c61e986f KZ |
165 | return -1; |
166 | ||
167 | if (signame) | |
7b41ad36 | 168 | *signame = ul_signames[idx].name; |
c61e986f | 169 | if (signum) |
7b41ad36 | 170 | *signum = ul_signames[idx].val; |
c61e986f KZ |
171 | return 0; |
172 | ||
173 | } | |
174 |