1 /* vi: set sw=4 ts=4: */
3 * Signal name/number conversion routines.
5 * Copyright 2006 Rob Landley <rob@landley.net>
7 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
12 /* Believe it or not, but some arches have more than 32 SIGs!
13 * HPPA: SIGSTKFLT == 36. */
15 static const char signals
[][7] = {
16 // SUSv3 says kill must support these, and specifies the numerical values,
17 // http://www.opengroup.org/onlinepubs/009695399/utilities/kill.html
18 // {0, "EXIT"}, {1, "HUP"}, {2, "INT"}, {3, "QUIT"},
19 // {6, "ABRT"}, {9, "KILL"}, {14, "ALRM"}, {15, "TERM"}
20 // And Posix adds the following:
21 // {SIGILL, "ILL"}, {SIGTRAP, "TRAP"}, {SIGFPE, "FPE"}, {SIGUSR1, "USR1"},
22 // {SIGSEGV, "SEGV"}, {SIGUSR2, "USR2"}, {SIGPIPE, "PIPE"}, {SIGCHLD, "CHLD"},
23 // {SIGCONT, "CONT"}, {SIGSTOP, "STOP"}, {SIGTSTP, "TSTP"}, {SIGTTIN, "TTIN"},
73 [SIGSTKFLT
] = "STKFLT",
103 [SIGVTALRM
] = "VTALRM",
109 [SIGWINCH
] = "WINCH",
122 // Convert signal name to number.
124 int FAST_FUNC
get_signum(const char *name
)
128 i
= bb_strtou(name
, NULL
, 10);
131 if (strncasecmp(name
, "SIG", 3) == 0)
133 for (i
= 0; i
< ARRAY_SIZE(signals
); i
++)
134 if (strcasecmp(name
, signals
[i
]) == 0)
137 #if ENABLE_DESKTOP && (defined(SIGIOT) || defined(SIGIO))
138 /* SIGIO[T] are aliased to other names,
139 * thus cannot be stored in the signals[] array.
140 * Need special code to recognize them */
141 if ((name
[0] | 0x20) == 'i' && (name
[1] | 0x20) == 'o') {
147 if ((name
[2] | 0x20) == 't' && !name
[3])
156 // Convert signal number to name
158 const char* FAST_FUNC
get_signame(int number
)
160 if ((unsigned)number
< ARRAY_SIZE(signals
)) {
161 if (signals
[number
][0]) /* if it's not an empty str */
162 return signals
[number
];
169 // Print the whole signal list
171 void FAST_FUNC
print_signames(void)
175 for (signo
= 1; signo
< ARRAY_SIZE(signals
); signo
++) {
176 const char *name
= signals
[signo
];