Add possibility to set memory limit for binaries run via libSystem. This

is especially needed for bugpoint. This partly implements PR688


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34349 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 7 insertions, 0 deletions

diff --git a/include/llvm/Config/config.h.in b/include/llvm/Config/config.h.in
index 2e9731e1a4..7a52010c68 100644
--- a/include/llvm/Config/config.h.in
+++ b/include/llvm/Config/config.h.in
@@ -124,6 +124,9 @@
 /* Define to 1 if you have the `getpagesize' function. */
 #undef HAVE_GETPAGESIZE
 
+/* Define to 1 if you have the `getrlimit' function. */
+#undef HAVE_GETRLIMIT
+
 /* Define to 1 if you have the `getrusage' function. */
 #undef HAVE_GETRUSAGE
 
diff --git a/include/llvm/System/Program.h b/include/llvm/System/Program.h
index 3c9230c9e0..cef3805370 100644
--- a/include/llvm/System/Program.h
+++ b/include/llvm/System/Program.h
@@ -72,6 +72,10 @@ namespace sys {
           ///< expires, the child is killed and this call returns. If zero,
           ///< this function will wait until the child finishes or forever if
           ///< it doesn't.
+        unsigned memoryLimit = 0, ///< If non-zero, this specifies max. amount
+          ///< of memory can be allocated by process. If memory usage will be
+          ///< higher limit, the child is killed and this call returns. If zero -
+          ///< no memory limit.
         std::string* ErrMsg = 0 ///< If non-zero, provides a pointer to a string
           ///< instance in which error messages will be returned. If the string 
           ///< is non-empty upon return an error occurred while invoking the