#include "libbb.h"
-static const char signals[32][7] = {
+/* Believe it or not, but some arches have more than 32 SIGs!
+ * HPPA: SIGSTKFLT == 36. */
+
+static const char signals[][7] = {
// SUSv3 says kill must support these, and specifies the numerical values,
// http://www.opengroup.org/onlinepubs/009695399/utilities/kill.html
- // TODO: "[SIG]EXIT" shouldn't work for kill, right?
// {0, "EXIT"}, {1, "HUP"}, {2, "INT"}, {3, "QUIT"},
// {6, "ABRT"}, {9, "KILL"}, {14, "ALRM"}, {15, "TERM"}
// And Posix adds the following:
// {SIGSEGV, "SEGV"}, {SIGUSR2, "USR2"}, {SIGPIPE, "PIPE"}, {SIGCHLD, "CHLD"},
// {SIGCONT, "CONT"}, {SIGSTOP, "STOP"}, {SIGTSTP, "TSTP"}, {SIGTTIN, "TTIN"},
// {SIGTTOU, "TTOU"}
+
[0] = "EXIT",
#ifdef SIGHUP
[SIGHUP ] = "HUP",
// Convert signal name to number.
-int get_signum(const char *name)
+int FAST_FUNC get_signum(const char *name)
{
- int i;
+ unsigned i;
i = bb_strtou(name, NULL, 10);
if (!errno)
return i;
if (strncasecmp(name, "SIG", 3) == 0)
name += 3;
- for (i = 0; i < sizeof(signals) / sizeof(signals[0]); i++)
+ for (i = 0; i < ARRAY_SIZE(signals); i++)
if (strcasecmp(name, signals[i]) == 0)
return i;
#if ENABLE_DESKTOP && (defined(SIGIOT) || defined(SIGIO))
- /* These are aliased to other names */
+ /* SIGIO[T] are aliased to other names,
+ * thus cannot be stored in the signals[] array.
+ * Need special code to recognize them */
if ((name[0] | 0x20) == 'i' && (name[1] | 0x20) == 'o') {
#ifdef SIGIO
if (!name[2])
// Convert signal number to name
-const char *get_signame(int number)
+const char* FAST_FUNC get_signame(int number)
{
- if ((unsigned)number < sizeof(signals) / sizeof(signals[0])) {
+ if ((unsigned)number < ARRAY_SIZE(signals)) {
if (signals[number][0]) /* if it's not an empty str */
return signals[number];
}
return itoa(number);
}
+
+
+// Print the whole signal list
+
+void FAST_FUNC print_signames(void)
+{
+ unsigned signo;
+
+ for (signo = 1; signo < ARRAY_SIZE(signals); signo++) {
+ const char *name = signals[signo];
+ if (name[0])
+ puts(name);
+ }
+}