Ejemplo n.º 1
0
        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);

        }
Ejemplo n.º 2
0
        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);
        }