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Diffstat (limited to 'i/pc104/initrd/conf/busybox/libbb/u_signal_names.c')
-rw-r--r--i/pc104/initrd/conf/busybox/libbb/u_signal_names.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/libbb/u_signal_names.c b/i/pc104/initrd/conf/busybox/libbb/u_signal_names.c
new file mode 100644
index 0000000..52861d4
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/libbb/u_signal_names.c
@@ -0,0 +1,57 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Signal name/number conversion routines.
+ *
+ * Copyright 2006 Rob Landley <rob@landley.net>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+#include "libbb.h"
+
+static const struct signal_name {
+ int number;
+ char name[5];
+} signals[] = {
+ // 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:
+ {SIGILL, "ILL"}, {SIGTRAP, "TRAP"}, {SIGFPE, "FPE"}, {SIGUSR1, "USR1"},
+ {SIGSEGV, "SEGV"}, {SIGUSR2, "USR2"}, {SIGPIPE, "PIPE"}, {SIGCHLD, "CHLD"},
+ {SIGCONT, "CONT"}, {SIGSTOP, "STOP"}, {SIGTSTP, "TSTP"}, {SIGTTIN, "TTIN"},
+ {SIGTTOU, "TTOU"}
+};
+
+// Convert signal name to number.
+
+int get_signum(const char *name)
+{
+ int i;
+
+ i = bb_strtou(name, NULL, 10);
+ if (!errno) return i;
+ for (i = 0; i < sizeof(signals) / sizeof(struct signal_name); i++)
+ if (strcasecmp(name, signals[i].name) == 0
+ || (strncasecmp(name, "SIG", 3) == 0
+ && strcasecmp(&name[3], signals[i].name) == 0))
+ return signals[i].number;
+ return -1;
+}
+
+// Convert signal number to name
+
+const char *get_signame(int number)
+{
+ int i;
+
+ for (i=0; i < sizeof(signals) / sizeof(struct signal_name); i++) {
+ if (number == signals[i].number) {
+ return signals[i].name;
+ }
+ }
+
+ return itoa(number);
+}