diff -ur lua-5.3.4/src/lua.c lua-5.3.4-sig_catch/src/lua.c
--- lua-5.3.4/src/lua.c	2017年01月12日 17:14:26.000000000 +0000
+++ lua-5.3.4-sig_catch/src/lua.c	2017年03月20日 12:00:09.171170675 +0000
@@ -52,17 +52,28 @@
 #include <unistd.h>
 #define lua_stdin_is_tty()	isatty(0)
 
+static void sig_catch(int sig, void (*handler)(int))
+{
+ struct sigaction sa;
+ sa.sa_handler = handler;
+ sa.sa_flags = 0;
+ sigemptyset(&sa.sa_mask);
+ sigaction(sig, &sa, NULL); /* ignore error: none possible */
+}
+
 #elif defined(LUA_USE_WINDOWS)	/* }{ */
 
 #include <io.h>
 #include <windows.h>
 
 #define lua_stdin_is_tty()	_isatty(_fileno(stdin))
+#define sig_catch		signal
 
 #else				/* }{ */
 
 /* ISO C definition */
 #define lua_stdin_is_tty()	1 /* assume stdin is a tty */
+#define sig_catch		signal
 
 #endif				/* } */
 
@@ -201,9 +214,9 @@
 lua_pushcfunction(L, msghandler); /* push message handler */
 lua_insert(L, base); /* put it under function and args */
 globalL = L; /* to be available to 'laction' */
- signal(SIGINT, laction); /* set C-signal handler */
+ sig_catch(SIGINT, laction); /* set C-signal handler */
 status = lua_pcall(L, narg, nres, base);
- signal(SIGINT, SIG_DFL); /* reset C-signal handler */
+ sig_catch(SIGINT, SIG_DFL); /* reset C-signal handler */
 lua_remove(L, base); /* remove message handler from the stack */
 return status;
 }
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<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="http://lua-users.org/files/wiki_insecure/power_patches/5.3/lua-5.3.5-sig_catch.patch">(-&gt;オリジナル)</a>
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