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path: root/gnu/packages/patches/diffutils-fix-signal-processing.patch
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Author: Frédéric Bonnard <frediz@debian.org>

Obtained from:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=922552#19

Fixes bug reported upstream at:

https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34519

diff --git a/src/diff.c b/src/diff.c
index e2eb32437353..b574e8282dc9 100644
--- a/src/diff.c
+++ b/src/diff.c
@@ -1451,6 +1451,8 @@ compare_files (struct comparison const *parent,
 	}
     }
 
+  final_process_signals ();
+
   /* Now the comparison has been done, if no error prevented it,
      and STATUS is the value this function will return.  */
 
diff --git a/src/diff.h b/src/diff.h
index 03daaa4a0530..e177fe600a25 100644
--- a/src/diff.h
+++ b/src/diff.h
@@ -390,6 +390,7 @@ extern enum changes analyze_hunk (struct change *, lin *, lin *, lin *, lin *);
 extern void begin_output (void);
 extern void debug_script (struct change *);
 extern void fatal (char const *) __attribute__((noreturn));
+extern void final_process_signals (void);
 extern void finish_output (void);
 extern void message (char const *, char const *, char const *);
 extern void message5 (char const *, char const *, char const *,
diff --git a/src/util.c b/src/util.c
index 4f4d9bb285eb..56d292de2927 100644
--- a/src/util.c
+++ b/src/util.c
@@ -237,6 +237,18 @@ process_signals (void)
     }
 }
 
+/* Process remaining signals once before exit  */
+void
+final_process_signals (void)
+{
+  static int last = 1;
+
+  if (last) {
+    process_signals ();
+    last = 0;
+  }
+}
+
 static void
 install_signal_handlers (void)
 {