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

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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
This commit is contained in:
Anton Korobeynikov
2007-02-16 19:11:07 +00:00
parent bdf44b929f
commit 9ba8a76f8b
16 changed files with 97 additions and 37 deletions
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30
lib/System/Unix/Program.inc
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@ -22,6 +22,9 @@
#if HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#if HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif
#if HAVE_SIGNAL_H
#include <signal.h>
#endif
@ -106,12 +109,34 @@ static void TimeOutHandler(int Sig) {
Timeout = true;
}
static void SetMemoryLimits (unsigned size)
{
#if HAVE_SYS_RESOURCE_H
struct rlimit r;
__typeof__ (r.rlim_cur) limit = (__typeof__ (r.rlim_cur)) (size) * 1048576;
// Heap size
getrlimit (RLIMIT_DATA, &r);
r.rlim_cur = limit;
setrlimit (RLIMIT_DATA, &r);
// Resident set size.
getrlimit (RLIMIT_RSS, &r);
r.rlim_cur = limit;
setrlimit (RLIMIT_RSS, &r);
// Virtual memory.
getrlimit (RLIMIT_AS, &r);
r.rlim_cur = limit;
setrlimit (RLIMIT_AS, &r);
#endif
}
int
Program::ExecuteAndWait(const Path& path,
const char** args,
const char** envp,
const Path** redirects,
unsigned secondsToWait,
unsigned memoryLimit,
std::string* ErrMsg)
{
if (!path.canExecute()) {
@ -160,6 +185,11 @@ Program::ExecuteAndWait(const Path& path,
}
}
// Set memory limits
if (memoryLimit!=0) {
SetMemoryLimits(memoryLimit);
}
// Execute!
if (envp != 0)
execve (path.c_str(), (char** const)args, (char**)envp);