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-rw-r--r--crawl-ref/source/AppHdr.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/crawl-ref/source/AppHdr.h b/crawl-ref/source/AppHdr.h
index 20cb225371..e4d0340a5d 100644
--- a/crawl-ref/source/AppHdr.h
+++ b/crawl-ref/source/AppHdr.h
@@ -102,6 +102,10 @@
#define MULTIUSER
#define USE_UNIX_SIGNALS
+ // If this is defined, Crawl will attempt to save and exit when it
+ // receives a hangup signal.
+ #define SIGHUP_SAVE
+
#define FILE_SEPARATOR '/'
#define CHARACTER_SET 0