From 67b36e4a2fba4931747cad61979aa92d43002ccc Mon Sep 17 00:00:00 2001
From: Misha Brukman <brukman+llvm@gmail.com>
Date: Fri, 12 Sep 2003 20:42:57 +0000
Subject: [PATCH] Bugpoint has the ability of generating a plethora of core
 files, so to avoid filling up the disk, set the max core file size to 0.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8503 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/bugpoint/bugpoint.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tools/bugpoint/bugpoint.cpp b/tools/bugpoint/bugpoint.cpp
index 4a6ebaf7573..25fe1a25245 100644
--- a/tools/bugpoint/bugpoint.cpp
+++ b/tools/bugpoint/bugpoint.cpp
@@ -9,6 +9,8 @@
 #include "BugDriver.h"
 #include "llvm/Support/PassNameParser.h"
 #include "Support/CommandLine.h"
+#include "Config/unistd.h"
+#include <sys/resource.h>
 
 static cl::list<std::string>
 InputFilenames(cl::Positional, cl::OneOrMore,
@@ -27,5 +29,15 @@ int main(int argc, char **argv) {
   if (D.addSources(InputFilenames)) return 1;
   D.addPasses(PassList.begin(), PassList.end());
 
+  // Bugpoint has the ability of generating a plethora of core files, so to
+  // avoid filling up the disk, set the max core file size to 0.
+  struct rlimit rlim;
+  rlim.rlim_cur = rlim.rlim_max = 0;
+  int res = setrlimit(RLIMIT_CORE, &rlim);
+  if (res < 0) {
+    // setrlimit() may have failed, but we're not going to let that stop us
+    perror("setrlimit: RLIMIT_CORE");
+  }
+
   return D.run();
 }