summaryrefslogtreecommitdiff
path: root/vendor/github.com/Microsoft/hcsshim/internal/winapi/jobobject.go
blob: 6cb411cc4267c79676840c4d313830a8f18c4d99 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
package winapi

import (
	"unsafe"

	"golang.org/x/sys/windows"
)

// Messages that can be received from an assigned io completion port.
// https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_associate_completion_port
const (
	JOB_OBJECT_MSG_END_OF_JOB_TIME       uint32 = 1
	JOB_OBJECT_MSG_END_OF_PROCESS_TIME   uint32 = 2
	JOB_OBJECT_MSG_ACTIVE_PROCESS_LIMIT  uint32 = 3
	JOB_OBJECT_MSG_ACTIVE_PROCESS_ZERO   uint32 = 4
	JOB_OBJECT_MSG_NEW_PROCESS           uint32 = 6
	JOB_OBJECT_MSG_EXIT_PROCESS          uint32 = 7
	JOB_OBJECT_MSG_ABNORMAL_EXIT_PROCESS uint32 = 8
	JOB_OBJECT_MSG_PROCESS_MEMORY_LIMIT  uint32 = 9
	JOB_OBJECT_MSG_JOB_MEMORY_LIMIT      uint32 = 10
	JOB_OBJECT_MSG_NOTIFICATION_LIMIT    uint32 = 11
)

// IO limit flags
//
// https://docs.microsoft.com/en-us/windows/win32/api/jobapi2/ns-jobapi2-jobobject_io_rate_control_information
const JOB_OBJECT_IO_RATE_CONTROL_ENABLE = 0x1

const JOBOBJECT_IO_ATTRIBUTION_CONTROL_ENABLE uint32 = 0x1

// https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_cpu_rate_control_information
const (
	JOB_OBJECT_CPU_RATE_CONTROL_ENABLE uint32 = 1 << iota
	JOB_OBJECT_CPU_RATE_CONTROL_WEIGHT_BASED
	JOB_OBJECT_CPU_RATE_CONTROL_HARD_CAP
	JOB_OBJECT_CPU_RATE_CONTROL_NOTIFY
	JOB_OBJECT_CPU_RATE_CONTROL_MIN_MAX_RATE
)

// JobObjectInformationClass values. Used for a call to QueryInformationJobObject
//
// https://docs.microsoft.com/en-us/windows/win32/api/jobapi2/nf-jobapi2-queryinformationjobobject
const (
	JobObjectBasicAccountingInformation      uint32 = 1
	JobObjectBasicProcessIdList              uint32 = 3
	JobObjectBasicAndIoAccountingInformation uint32 = 8
	JobObjectLimitViolationInformation       uint32 = 13
	JobObjectMemoryUsageInformation          uint32 = 28
	JobObjectNotificationLimitInformation2   uint32 = 33
	JobObjectIoAttribution                   uint32 = 42
)

// https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_basic_limit_information
type JOBOBJECT_BASIC_LIMIT_INFORMATION struct {
	PerProcessUserTimeLimit int64
	PerJobUserTimeLimit     int64
	LimitFlags              uint32
	MinimumWorkingSetSize   uintptr
	MaximumWorkingSetSize   uintptr
	ActiveProcessLimit      uint32
	Affinity                uintptr
	PriorityClass           uint32
	SchedulingClass         uint32
}

// https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_cpu_rate_control_information
type JOBOBJECT_CPU_RATE_CONTROL_INFORMATION struct {
	ControlFlags uint32
	Value        uint32
}

// https://docs.microsoft.com/en-us/windows/win32/api/jobapi2/ns-jobapi2-jobobject_io_rate_control_information
type JOBOBJECT_IO_RATE_CONTROL_INFORMATION struct {
	MaxIops         int64
	MaxBandwidth    int64
	ReservationIops int64
	BaseIOSize      uint32
	VolumeName      string
	ControlFlags    uint32
}

// https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_basic_process_id_list
type JOBOBJECT_BASIC_PROCESS_ID_LIST struct {
	NumberOfAssignedProcesses uint32
	NumberOfProcessIdsInList  uint32
	ProcessIdList             [1]uintptr
}

// AllPids returns all the process Ids in the job object.
func (p *JOBOBJECT_BASIC_PROCESS_ID_LIST) AllPids() []uintptr {
	return (*[(1 << 27) - 1]uintptr)(unsafe.Pointer(&p.ProcessIdList[0]))[:p.NumberOfProcessIdsInList]
}

// https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_basic_accounting_information
type JOBOBJECT_BASIC_ACCOUNTING_INFORMATION struct {
	TotalUserTime             int64
	TotalKernelTime           int64
	ThisPeriodTotalUserTime   int64
	ThisPeriodTotalKernelTime int64
	TotalPageFaultCount       uint32
	TotalProcesses            uint32
	ActiveProcesses           uint32
	TotalTerminateProcesses   uint32
}

//https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_basic_and_io_accounting_information
type JOBOBJECT_BASIC_AND_IO_ACCOUNTING_INFORMATION struct {
	BasicInfo JOBOBJECT_BASIC_ACCOUNTING_INFORMATION
	IoInfo    windows.IO_COUNTERS
}

// typedef struct _JOBOBJECT_MEMORY_USAGE_INFORMATION {
//     ULONG64 JobMemory;
//     ULONG64 PeakJobMemoryUsed;
// } JOBOBJECT_MEMORY_USAGE_INFORMATION, *PJOBOBJECT_MEMORY_USAGE_INFORMATION;
//
type JOBOBJECT_MEMORY_USAGE_INFORMATION struct {
	JobMemory         uint64
	PeakJobMemoryUsed uint64
}

// typedef struct _JOBOBJECT_IO_ATTRIBUTION_STATS {
//     ULONG_PTR IoCount;
//     ULONGLONG TotalNonOverlappedQueueTime;
//     ULONGLONG TotalNonOverlappedServiceTime;
//     ULONGLONG TotalSize;
// } JOBOBJECT_IO_ATTRIBUTION_STATS, *PJOBOBJECT_IO_ATTRIBUTION_STATS;
//
type JOBOBJECT_IO_ATTRIBUTION_STATS struct {
	IoCount                       uintptr
	TotalNonOverlappedQueueTime   uint64
	TotalNonOverlappedServiceTime uint64
	TotalSize                     uint64
}

// typedef struct _JOBOBJECT_IO_ATTRIBUTION_INFORMATION {
//     ULONG ControlFlags;
//     JOBOBJECT_IO_ATTRIBUTION_STATS ReadStats;
//     JOBOBJECT_IO_ATTRIBUTION_STATS WriteStats;
// } JOBOBJECT_IO_ATTRIBUTION_INFORMATION, *PJOBOBJECT_IO_ATTRIBUTION_INFORMATION;
//
type JOBOBJECT_IO_ATTRIBUTION_INFORMATION struct {
	ControlFlags uint32
	ReadStats    JOBOBJECT_IO_ATTRIBUTION_STATS
	WriteStats   JOBOBJECT_IO_ATTRIBUTION_STATS
}

// https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_associate_completion_port
type JOBOBJECT_ASSOCIATE_COMPLETION_PORT struct {
	CompletionKey  windows.Handle
	CompletionPort windows.Handle
}

// BOOL IsProcessInJob(
// 		HANDLE ProcessHandle,
// 		HANDLE JobHandle,
// 		PBOOL  Result
// );
//
//sys IsProcessInJob(procHandle windows.Handle, jobHandle windows.Handle, result *bool) (err error) = kernel32.IsProcessInJob

// BOOL QueryInformationJobObject(
//		HANDLE             hJob,
//		JOBOBJECTINFOCLASS JobObjectInformationClass,
//		LPVOID             lpJobObjectInformation,
//		DWORD              cbJobObjectInformationLength,
//		LPDWORD            lpReturnLength
// );
//
//sys QueryInformationJobObject(jobHandle windows.Handle, infoClass uint32, jobObjectInfo uintptr, jobObjectInformationLength uint32, lpReturnLength *uint32) (err error) = kernel32.QueryInformationJobObject

// HANDLE OpenJobObjectW(
//		DWORD   dwDesiredAccess,
//		BOOL    bInheritHandle,
//		LPCWSTR lpName
// );
//
//sys OpenJobObject(desiredAccess uint32, inheritHandle bool, lpName *uint16) (handle windows.Handle, err error) = kernel32.OpenJobObjectW

// DWORD SetIoRateControlInformationJobObject(
//		HANDLE                                hJob,
//		JOBOBJECT_IO_RATE_CONTROL_INFORMATION *IoRateControlInfo
// );
//
//sys SetIoRateControlInformationJobObject(jobHandle windows.Handle, ioRateControlInfo *JOBOBJECT_IO_RATE_CONTROL_INFORMATION) (ret uint32, err error) = kernel32.SetIoRateControlInformationJobObject