fix: ignore SIGPIPE to prevent server crash on S3 idle connection timeout (#8768)

Author: Its-Tanay

src/triton_signal.cc

@@ -1,4 +1,4 @@
-// Copyright 2020-2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+// Copyright 2020-2026, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
@@ -137,6 +137,9 @@ RegisterSignalHandler()
   signal(SIGSEGV, ErrorSignalHandler);
   signal(SIGABRT, ErrorSignalHandler);
 
+  // Ignore SIGPIPE to prevent crash on AWS SDK writing to closed idle sockets
+  signal(SIGPIPE, SIG_IGN);
+
   return nullptr;  // success
 }