updated for version 7.0224
diff --git a/src/os_unix.c b/src/os_unix.c
index a80bd21..3f9bd13 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -931,6 +931,29 @@
get_stack_limit();
#endif
+#if 0
+ /* This is for opening gdb the moment Vim crashes.
+ * You need to manually adjust the file name and Vim executable name.
+ * Suggested by SungHyun Nam. */
+ {
+# define VI_GDB_FILE "/tmp/vimgdb"
+# define VIM_NAME "/usr/bin/vim"
+ FILE *fp = fopen(VI_GDB_FILE, "w");
+ if (fp)
+ {
+ fprintf(fp,
+ "file %s\n"
+ "attach %d\n"
+ "set height 1000\n"
+ "bt full\n"
+ , VIM_NAME, getpid());
+ fclose(fp);
+ system("xterm -e gdb -x "VI_GDB_FILE);
+ unlink(VI_GDB_FILE);
+ }
+ }
+#endif
+
#ifdef SIGHASARG
/* try to find the name of this signal */
for (i = 0; signal_info[i].sig != -1; i++)