ReactOS 0.4.15-dev-8102-g108db8f
KeApc.c File Reference
#include <kmt_test.h>
Include dependency graph for KeApc.c:

Go to the source code of this file.

Macros

#define CheckApcs(KernelApcsDisabled, SpecialApcsDisabled, AllApcsDisabled, Irql)
 

Functions

static _IRQL_requires_min_ (PASSIVE_LEVEL)
 

Macro Definition Documentation

◆ CheckApcs

#define CheckApcs (   KernelApcsDisabled,
  SpecialApcsDisabled,
  AllApcsDisabled,
  Irql 
)
Value:
do \
{ \
ok_eq_bool(KeAreApcsDisabled(), KernelApcsDisabled || SpecialApcsDisabled); \
ok_eq_int(Thread->KernelApcDisable, KernelApcsDisabled); \
if (pKeAreAllApcsDisabled) \
ok_eq_bool(pKeAreAllApcsDisabled(), AllApcsDisabled); \
ok_eq_int(Thread->SpecialApcDisable, SpecialApcsDisabled); \
ok_irql(Irql); \
} while (0)
_Out_ PKIRQL Irql
Definition: csq.h:179
_In_opt_ PFILE_OBJECT _In_opt_ PETHREAD Thread
Definition: fltkernel.h:2653
BOOLEAN NTAPI KeAreApcsDisabled(VOID)
Definition: apc.c:958

Function Documentation

◆ _IRQL_requires_min_()

static _IRQL_requires_min_ ( PASSIVE_LEVEL  )
static

Definition at line 11 of file KeApc.c.

32{ \
33 ok_eq_bool(KeAreApcsDisabled(), KernelApcsDisabled || SpecialApcsDisabled); \
34 ok_eq_int(Thread->KernelApcDisable, KernelApcsDisabled); \
35 if (pKeAreAllApcsDisabled) \
36 ok_eq_bool(pKeAreAllApcsDisabled(), AllApcsDisabled); \
37 ok_eq_int(Thread->SpecialApcDisable, SpecialApcsDisabled); \
38 ok_irql(Irql); \
39} while (0)
40
41START_TEST(KeApc)
42{
43 KIRQL Irql;
45
46 pKeAreAllApcsDisabled = KmtGetSystemRoutineAddress(L"KeAreAllApcsDisabled");
47 pKeEnterGuardedRegion = KmtGetSystemRoutineAddress(L"KeEnterGuardedRegion");
48 pKeLeaveGuardedRegion = KmtGetSystemRoutineAddress(L"KeLeaveGuardedRegion");
49
50 if (skip(pKeAreAllApcsDisabled != NULL, "KeAreAllApcsDisabled unavailable\n"))
51 {
52 /* We can live without this function here */
53 }
54
56
58
59 /* critical region */
72
73 /* guarded region */
74 if (!skip(pKeEnterGuardedRegion &&
75 pKeLeaveGuardedRegion, "Guarded regions not available\n"))
76 {
77 pKeEnterGuardedRegion();
79 pKeEnterGuardedRegion();
81 pKeEnterGuardedRegion();
83 pKeLeaveGuardedRegion();
85 pKeLeaveGuardedRegion();
87 pKeLeaveGuardedRegion();
89
90 /* mix them */
91 pKeEnterGuardedRegion();
97 pKeLeaveGuardedRegion();
99
102 pKeEnterGuardedRegion();
103 CheckApcs(-1, -1, TRUE, PASSIVE_LEVEL);
104 pKeLeaveGuardedRegion();
108 }
109
110 /* leave without entering */
112 {
117
118 if (!skip(pKeEnterGuardedRegion &&
119 pKeLeaveGuardedRegion, "Guarded regions not available\n"))
120 {
121 pKeLeaveGuardedRegion();
123 pKeEnterGuardedRegion();
125
128 pKeLeaveGuardedRegion();
132 pKeEnterGuardedRegion();
134 }
135 }
136
137 /* manually disable APCs */
138 Thread->KernelApcDisable = -1;
140 Thread->SpecialApcDisable = -1;
141 CheckApcs(-1, -1, TRUE, PASSIVE_LEVEL);
142 Thread->KernelApcDisable = 0;
144 Thread->SpecialApcDisable = 0;
146
147 /* raised irql - APC_LEVEL should disable APCs */
149 CheckApcs(0, 0, TRUE, APC_LEVEL);
152
153 /* KeAre*ApcsDisabled are documented to work up to DISPATCH_LEVEL... */
158
159 /* ... but also work on higher levels! */
161 CheckApcs(0, 0, TRUE, HIGH_LEVEL);
164
165 /* now comes the crazy stuff */
167 CheckApcs(0, 0, TRUE, HIGH_LEVEL);
169 CheckApcs(-1, 0, TRUE, HIGH_LEVEL);
171 CheckApcs(0, 0, TRUE, HIGH_LEVEL);
172
173 /* Ke*GuardedRegion assert at > APC_LEVEL */
174 if (!KmtIsCheckedBuild &&
175 !skip(pKeEnterGuardedRegion &&
176 pKeLeaveGuardedRegion, "Guarded regions not available\n"))
177 {
178 pKeEnterGuardedRegion();
179 CheckApcs(0, -1, TRUE, HIGH_LEVEL);
180 pKeLeaveGuardedRegion();
181 }
182 CheckApcs(0, 0, TRUE, HIGH_LEVEL);
185
186 if (!KmtIsCheckedBuild &&
187 !skip(pKeEnterGuardedRegion &&
188 pKeLeaveGuardedRegion, "Guarded regions not available\n"))
189 {
191 CheckApcs(0, 0, TRUE, HIGH_LEVEL);
193 CheckApcs(-1, 0, TRUE, HIGH_LEVEL);
194 pKeEnterGuardedRegion();
195 CheckApcs(-1, -1, TRUE, HIGH_LEVEL);
197 CheckApcs(-1, -1, TRUE, PASSIVE_LEVEL);
200 pKeLeaveGuardedRegion();
202
203 pKeEnterGuardedRegion();
206 CheckApcs(0, -1, TRUE, HIGH_LEVEL);
208 CheckApcs(-1, -1, TRUE, HIGH_LEVEL);
209 pKeLeaveGuardedRegion();
210 CheckApcs(-1, 0, TRUE, HIGH_LEVEL);
215
219 CheckApcs(-1, 0, TRUE, HIGH_LEVEL);
220 pKeEnterGuardedRegion();
221 CheckApcs(-1, -1, TRUE, HIGH_LEVEL);
223 CheckApcs(0, -1, TRUE, HIGH_LEVEL);
226 pKeLeaveGuardedRegion();
228 }
229
233 CheckApcs(-1, 0, TRUE, HIGH_LEVEL);
235 CheckApcs(0, 0, TRUE, HIGH_LEVEL);
238}
#define CheckApcs(KernelApcsDisabled, SpecialApcsDisabled, AllApcsDisabled, Irql)
#define skip(...)
Definition: atltest.h:64
#define START_TEST(x)
Definition: atltest.h:75
#define NULL
Definition: types.h:112
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
#define PASSIVE_LEVEL
Definition: env_spec_w32.h:693
UCHAR KIRQL
Definition: env_spec_w32.h:591
#define KeRaiseIrql(irql, oldIrql)
Definition: env_spec_w32.h:597
#define HIGH_LEVEL
Definition: env_spec_w32.h:703
#define APC_LEVEL
Definition: env_spec_w32.h:695
#define KeLowerIrql(oldIrql)
Definition: env_spec_w32.h:602
#define DISPATCH_LEVEL
Definition: env_spec_w32.h:696
#define KeGetCurrentThread
Definition: hal.h:55
#define KeLeaveCriticalRegion()
Definition: ke_x.h:119
#define KeEnterCriticalRegion()
Definition: ke_x.h:88
PVOID KmtGetSystemRoutineAddress(IN PCWSTR RoutineName)
BOOLEAN KmtIsCheckedBuild
#define L(x)
Definition: ntvdm.h:50