From: Martin Mares <mj@ucw.cz>
Date: Wed, 18 Jul 2012 09:12:12 +0000 (+0200)
Subject: Signals: Added a module with a list of signals
X-Git-Tag: v5.99~151
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=923365eb001011e77a79447fbc84b513f6bf4e95;p=libucw.git

Signals: Added a module with a list of signals
---

diff --git a/ucw/Makefile b/ucw/Makefile
index f6cab5f1..75b9c463 100644
--- a/ucw/Makefile
+++ b/ucw/Makefile
@@ -34,7 +34,8 @@ LIBUCW_MODS= \
 	getopt \
 	strtonum \
 	resource trans res-fd res-mem res-subpool res-mempool res-eltpool \
-	daemon daemon-ctrl
+	daemon daemon-ctrl \
+	signames
 
 LIBUCW_MAIN_INCLUDES= \
 	lib.h log.h threads.h time.h \
@@ -61,7 +62,8 @@ LIBUCW_MAIN_INCLUDES= \
 	partmap.h \
 	strtonum.h \
 	resource.h trans.h \
-	daemon.h
+	daemon.h \
+	signames.h
 
 ifdef CONFIG_UCW_THREADS
 # Some modules require threading
diff --git a/ucw/signames.c b/ucw/signames.c
new file mode 100644
index 00000000..84276fd6
--- /dev/null
+++ b/ucw/signames.c
@@ -0,0 +1,170 @@
+/*
+ *	A List of Signal Names
+ *
+ *	(c) 2012 Martin Mares <mj@ucw.cz>
+ */
+
+#include <ucw/lib.h>
+#include <ucw/signames.h>
+
+#include <stdlib.h>
+#include <string.h>
+#include <signal.h>
+
+struct sig_name {
+  const char name[11];
+  byte number;
+};
+
+#define S(sig) { #sig, sig }
+
+static const struct sig_name sig_names[] = {
+#ifdef SIGABRT
+	S(SIGABRT),
+#endif
+#ifdef SIGALRM
+	S(SIGALRM),
+#endif
+#ifdef SIGBUS
+	S(SIGBUS),
+#endif
+#ifdef SIGCHLD
+	S(SIGCHLD),
+#endif
+#ifdef SIGCONT
+	S(SIGCONT),
+#endif
+#ifdef SIGFPE
+	S(SIGFPE),
+#endif
+#ifdef SIGHUP
+	S(SIGHUP),
+#endif
+#ifdef SIGILL
+	S(SIGILL),
+#endif
+#ifdef SIGINT
+	S(SIGINT),
+#endif
+#ifdef SIGIO
+	S(SIGIO),
+#endif
+#ifdef SIGIOT
+	S(SIGIOT),
+#endif
+#ifdef SIGKILL
+	S(SIGKILL),
+#endif
+#ifdef SIGPIPE
+	S(SIGPIPE),
+#endif
+#ifdef SIGPOLL
+	S(SIGPOLL),
+#endif
+#ifdef SIGPROF
+	S(SIGPROF),
+#endif
+#ifdef SIGPWR
+	S(SIGPWR),
+#endif
+#ifdef SIGQUIT
+	S(SIGQUIT),
+#endif
+#ifdef SIGSEGV
+	S(SIGSEGV),
+#endif
+#ifdef SIGSTKFLT
+	S(SIGSTKFLT),
+#endif
+#ifdef SIGSTOP
+	S(SIGSTOP),
+#endif
+#ifdef SIGSYS
+	S(SIGSYS),
+#endif
+#ifdef SIGTERM
+	S(SIGTERM),
+#endif
+#ifdef SIGTRAP
+	S(SIGTRAP),
+#endif
+#ifdef SIGTSTP
+	S(SIGTSTP),
+#endif
+#ifdef SIGTTIN
+	S(SIGTTIN),
+#endif
+#ifdef SIGTTOU
+	S(SIGTTOU),
+#endif
+#ifdef SIGURG
+	S(SIGURG),
+#endif
+#ifdef SIGUSR1
+	S(SIGUSR1),
+#endif
+#ifdef SIGUSR2
+	S(SIGUSR2),
+#endif
+#ifdef SIGVTALRM
+	S(SIGVTALRM),
+#endif
+#ifdef SIGWINCH
+	S(SIGWINCH),
+#endif
+#ifdef SIGXCPU
+	S(SIGXCPU),
+#endif
+#ifdef SIGXFSZ
+	S(SIGXFSZ),
+#endif
+};
+
+int
+sig_name_to_number(const char *name)
+{
+  for (uns i=0; i < ARRAY_SIZE(sig_names); i++)
+    if (!strcmp(sig_names[i].name, name))
+      return sig_names[i].number;
+  return -1;
+}
+
+const char *
+sig_number_to_name(int number)
+{
+  for (uns i=0; i < ARRAY_SIZE(sig_names); i++)
+    if (sig_names[i].number == number)
+      return sig_names[i].name;
+  return NULL;
+}
+
+#ifdef TEST
+
+#include <stdio.h>
+
+int main(void)
+{
+  char c[256];
+  while (fgets(c, sizeof(c), stdin))
+    {
+      char *e = strchr(c, '\n');
+      if (e)
+	*e = 0;
+      if (c[0] == '#')
+	{
+	  const char *name = sig_number_to_name(atoi(c+1));
+	  puts(name ? : "?");
+	}
+      else
+	{
+	  int num = sig_name_to_number(c);
+	  if (num < 0)
+	    puts("?");
+	  else
+	    printf("%d\n", num);
+	}
+    }
+  return 0;
+}
+
+#endif
diff --git a/ucw/signames.h b/ucw/signames.h
new file mode 100644
index 00000000..d7b9cac7
--- /dev/null
+++ b/ucw/signames.h
@@ -0,0 +1,14 @@
+/*
+ *	A List of Signal Names
+ *
+ *	(c) 2012 Martin Mares <mj@ucw.cz>
+ */
+
+#ifndef _UCW_SIGNAMES_H
+#define _UCW_SIGNAMES_H
+
+int sig_name_to_number(const char *name);
+
+const char *sig_number_to_name(int number);
+
+#endif