From e4cfa9a68686e4f9e78543312224874f089f4723 Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Thu, 6 Jun 2019 10:54:26 +0200
Subject: [PATCH] FIFO: Raise SIGPIPE in processes that write() to a broken
 pipe.

---
 Kernel/FileSystem/FIFO.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Kernel/FileSystem/FIFO.cpp b/Kernel/FileSystem/FIFO.cpp
index 261a3d2d9d..344dcee87e 100644
--- a/Kernel/FileSystem/FIFO.cpp
+++ b/Kernel/FileSystem/FIFO.cpp
@@ -1,6 +1,8 @@
 #include <Kernel/FileSystem/FIFO.h>
 #include <Kernel/FileSystem/FileDescriptor.h>
 #include <Kernel/Lock.h>
+#include <Kernel/Process.h>
+#include <Kernel/Thread.h>
 #include <AK/StdLibExtras.h>
 #include <AK/HashTable.h>
 
@@ -107,8 +109,10 @@ ssize_t FIFO::read(FileDescriptor&, byte* buffer, ssize_t size)
 
 ssize_t FIFO::write(FileDescriptor&, const byte* buffer, ssize_t size)
 {
-    if (!m_readers)
+    if (!m_readers) {
+        current->process().send_signal(SIGPIPE, &current->process());
         return -EPIPE;
+    }
 #ifdef FIFO_DEBUG
     dbgprintf("fifo: write(%p, %u)\n", buffer, size);
 #endif