public void UpdateMemoryLimit(uint? minPrcWorkingSet, uint? maxPrcWorkingSet, uint? maxJobVirtualMemory)
{
var flags = JOBOBJECT_BASIC_LIMIT_FLAGS.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE;
var basicLimits = new JOBOBJECT_BASIC_LIMIT_INFORMATION();
var extendedInfo = new JOBOBJECT_EXTENDED_LIMIT_INFORMATION
{
BasicLimitInformation = basicLimits,
};
if (minPrcWorkingSet.HasValue && maxPrcWorkingSet.HasValue)
{
flags |= JOBOBJECT_BASIC_LIMIT_FLAGS.JOB_OBJECT_LIMIT_WORKINGSET;
basicLimits.MinimumWorkingSetSize = (UIntPtr)minPrcWorkingSet.Value;
basicLimits.MaximumWorkingSetSize = (UIntPtr)maxPrcWorkingSet.Value;
}
if(maxJobVirtualMemory.HasValue)
{
flags |= JOBOBJECT_BASIC_LIMIT_FLAGS.JOB_OBJECT_LIMIT_JOB_MEMORY;
extendedInfo.JobMemoryLimit = (UIntPtr)maxJobVirtualMemory.Value;
}
basicLimits.LimitFlags = (uint)flags;
int length = Marshal.SizeOf(typeof(JOBOBJECT_EXTENDED_LIMIT_INFORMATION));
IntPtr extendedInfoPtr = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(extendedInfo, extendedInfoPtr, false);
if (!SetInformationJobObject(handle, JobObjectInfoType.ExtendedLimitInformation, extendedInfoPtr, (uint)length))
{
Marshal.FreeHGlobal(extendedInfoPtr);
throw new Exception(string.Format("Unable to set extended information. Error: {0}", Marshal.GetLastWin32Error()));
}
Marshal.FreeHGlobal(extendedInfoPtr);
}
public void UpdateMemoryLimit(uint?minPrcWorkingSet, uint?maxPrcWorkingSet, uint?maxJobVirtualMemory)
{
var flags = JOBOBJECT_BASIC_LIMIT_FLAGS.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE;
var basicLimits = new JOBOBJECT_BASIC_LIMIT_INFORMATION();
var extendedInfo = new JOBOBJECT_EXTENDED_LIMIT_INFORMATION
{
BasicLimitInformation = basicLimits,
};
if (minPrcWorkingSet.HasValue && maxPrcWorkingSet.HasValue)
{
flags |= JOBOBJECT_BASIC_LIMIT_FLAGS.JOB_OBJECT_LIMIT_WORKINGSET;
basicLimits.MinimumWorkingSetSize = (UIntPtr)minPrcWorkingSet.Value;
basicLimits.MaximumWorkingSetSize = (UIntPtr)maxPrcWorkingSet.Value;
}
if (maxJobVirtualMemory.HasValue)
{
flags |= JOBOBJECT_BASIC_LIMIT_FLAGS.JOB_OBJECT_LIMIT_JOB_MEMORY;
extendedInfo.JobMemoryLimit = (UIntPtr)maxJobVirtualMemory.Value;
}
basicLimits.LimitFlags = (uint)flags;
int length = Marshal.SizeOf(typeof(JOBOBJECT_EXTENDED_LIMIT_INFORMATION));
IntPtr extendedInfoPtr = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(extendedInfo, extendedInfoPtr, false);
if (!SetInformationJobObject(handle, JobObjectInfoType.ExtendedLimitInformation, extendedInfoPtr, (uint)length))
{
Marshal.FreeHGlobal(extendedInfoPtr);
throw new Exception(string.Format("Unable to set extended information. Error: {0}", Marshal.GetLastWin32Error()));
}
Marshal.FreeHGlobal(extendedInfoPtr);
}