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1/*
2 * testthreadcall.cpp
3 * testkext
4 *
5 */
6
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7#include "testthreadcall.h"
8
9#include <kern/thread_call.h>
3e170ce0 10#include <pexpert/pexpert.h>
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11
12#define super IOService
13OSDefineMetaClassAndStructors(testthreadcall, super);
14
15extern "C" {
16
17static void thread_call_test_func(thread_call_param_t param0,
18 thread_call_param_t param1);
19
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20static void thread_call_test_func2(thread_call_param_t param0,
21 thread_call_param_t param1);
22
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23}
24
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25static int my_event;
26
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27bool
28testthreadcall::start( IOService * provider )
29{
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30 boolean_t ret;
31 uint64_t deadline;
32 int sleepret;
33 uint32_t kernel_configuration;
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34
35 IOLog("%s\n", __PRETTY_FUNCTION__);
36
37 if (!super::start(provider)) {
38 return false;
39 }
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40
41 kernel_configuration = PE_i_can_has_kernel_configuration();
42 IOLog("%s: Assertions %s\n", __PRETTY_FUNCTION__,
43 (kernel_configuration & kPEICanHasAssertions) ? "enabled" : "disabled");
44 IOLog("%s: Statistics %s\n", __PRETTY_FUNCTION__,
45 (kernel_configuration & kPEICanHasStatistics) ? "enabled" : "disabled");
46 IOLog("%s: Diagnostic API %s\n", __PRETTY_FUNCTION__,
47 (kernel_configuration & kPEICanHasDiagnosticAPI) ? "enabled" : "disabled");
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48
49 IOLog("Attempting thread_call_allocate\n");
50 tcall = thread_call_allocate(thread_call_test_func, this);
51 IOLog("thread_call_t %p\n", tcall);
52
53 tlock = IOSimpleLockAlloc();
54 IOLog("tlock %p\n", tlock);
55
56 clock_interval_to_deadline(5, NSEC_PER_SEC, &deadline);
57 IOLog("%d sec deadline is %llu\n", 5, deadline);
58
59 ret = thread_call_enter_delayed(tcall, deadline);
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60
61 IOLog("Attempting thread_call_allocate\n");
62 tcall2 = thread_call_allocate(thread_call_test_func2, this);
63 IOLog("thread_call_t %p\n", tcall);
64
65 tlock2 = IOLockAlloc();
66 IOLog("tlock2 %p\n", tlock2);
67
68 clock_interval_to_deadline(2, NSEC_PER_SEC, &deadline);
69 IOLog("%d sec deadline is %llu\n", 2, deadline);
70
71 ret = thread_call_enter_delayed(tcall2, deadline);
72
73 IOLockLock(tlock2);
74
75 clock_interval_to_deadline(3, NSEC_PER_SEC, &deadline);
76 IOLog("%d sec deadline is %llu\n", 3, deadline);
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77 sleepret = IOLockSleepDeadline(tlock2, &my_event, deadline, THREAD_INTERRUPTIBLE);
78 IOLog("IOLockSleepDeadline(&my_event, %llu) returned %d, expected 0\n", deadline, sleepret);
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79
80 IOLockUnlock(tlock2);
81
82 clock_interval_to_deadline(4, NSEC_PER_SEC, &deadline);
83 IOLog("%d sec deadline is %llu\n", 4, deadline);
84
85 ret = thread_call_enter_delayed(tcall2, deadline);
86
87 IOLockLock(tlock2);
88
89 clock_interval_to_deadline(3, NSEC_PER_SEC, &deadline);
90 IOLog("%d sec deadline is %llu\n", 3, deadline);
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91 sleepret = IOLockSleepDeadline(tlock2, &my_event, deadline, THREAD_INTERRUPTIBLE);
92 IOLog("IOLockSleepDeadline(&my_event, %llu) returned %d, expected 1\n", deadline, sleepret);
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93
94 IOLockUnlock(tlock2);
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95
96 return true;
97}
98
99static void thread_call_test_func(thread_call_param_t param0,
100 thread_call_param_t param1)
101{
102 testthreadcall *self = (testthreadcall *)param0;
103
104 IOLog("thread_call_test_func %p %p\n", param0, param1);
105
106 IOSimpleLockLock(self->tlock);
107 IOSimpleLockUnlock(self->tlock);
fe8ab488 108}
6d2010ae 109
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110static void thread_call_test_func2(thread_call_param_t param0,
111 thread_call_param_t param1)
112{
113 testthreadcall *self = (testthreadcall *)param0;
114
115 IOLog("thread_call_test_func2 %p %p\n", param0, param1);
116
3e170ce0 117 IOLockWakeup(self->tlock2, &my_event, false);
6d2010ae 118}