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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2022 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
/*
Note that a lot of methods that you'd expect to find in this file actually
live in juce_posix_SharedCode.h!
*/
#if JUCE_IOS
bool isIOSAppActive = true;
#endif
API_AVAILABLE (macos (10.10))
static auto getNativeQOS (Thread::Priority priority)
{
switch (priority)
{
case Thread::Priority::highest: return QOS_CLASS_USER_INTERACTIVE;
case Thread::Priority::high: return QOS_CLASS_USER_INITIATED;
case Thread::Priority::low: return QOS_CLASS_UTILITY;
case Thread::Priority::background: return QOS_CLASS_BACKGROUND;
case Thread::Priority::normal: break;
}
return QOS_CLASS_DEFAULT;
}
API_AVAILABLE (macos (10.10))
static auto getJucePriority (qos_class_t qos)
{
switch (qos)
{
case QOS_CLASS_USER_INTERACTIVE: return Thread::Priority::highest;
case QOS_CLASS_USER_INITIATED: return Thread::Priority::high;
case QOS_CLASS_UTILITY: return Thread::Priority::low;
case QOS_CLASS_BACKGROUND: return Thread::Priority::background;
case QOS_CLASS_UNSPECIFIED:
case QOS_CLASS_DEFAULT: break;
}
return Thread::Priority::normal;
}
bool Thread::createNativeThread (Priority priority)
{
PosixThreadAttribute attr { threadStackSize };
if (@available (macos 10.10, *))
pthread_attr_set_qos_class_np (attr.get(), getNativeQOS (priority), 0);
else
PosixSchedulerPriority::getNativeSchedulerAndPriority (realtimeOptions, priority).apply (attr);
threadId = threadHandle = makeThreadHandle (attr, this, [] (void* userData) -> void*
{
auto* myself = static_cast<Thread*> (userData);
JUCE_AUTORELEASEPOOL
{
juce_threadEntryPoint (myself);
}
return nullptr;
});
return threadId != nullptr;
}
void Thread::killThread()
{
if (threadHandle != nullptr)
pthread_cancel ((pthread_t) threadHandle.load());
}
Thread::Priority Thread::getPriority() const
{
jassert (Thread::getCurrentThreadId() == getThreadId());
if (! isRealtime())
{
if (@available (macOS 10.10, *))
return getJucePriority (qos_class_self());
// fallback for older versions of macOS
const auto min = jmax (0, sched_get_priority_min (SCHED_OTHER));
const auto max = jmax (0, sched_get_priority_max (SCHED_OTHER));
if (min != 0 && max != 0)
{
const auto native = PosixSchedulerPriority::findCurrentSchedulerAndPriority().getPriority();
const auto mapped = jmap (native, min, max, 0, 4);
return ThreadPriorities::getJucePriority (mapped);
}
}
return {};
}
bool Thread::setPriority (Priority priority)
{
jassert (Thread::getCurrentThreadId() == getThreadId());
if (isRealtime())
{
// macOS/iOS needs to know how much time you need!
jassert (realtimeOptions->workDurationMs > 0);
mach_timebase_info_data_t timebase;
mach_timebase_info (&timebase);
const auto periodMs = realtimeOptions->workDurationMs;
const auto ticksPerMs = ((double) timebase.denom * 1000000.0) / (double) timebase.numer;
const auto periodTicks = (uint32_t) jmin ((double) std::numeric_limits<uint32_t>::max(), periodMs * ticksPerMs);
thread_time_constraint_policy_data_t policy;
policy.period = periodTicks;
policy.computation = jmin ((uint32_t) 50000, policy.period);
policy.constraint = policy.period;
policy.preemptible = true;
return thread_policy_set (pthread_mach_thread_np (pthread_self()),
THREAD_TIME_CONSTRAINT_POLICY,
(thread_policy_t) &policy,
THREAD_TIME_CONSTRAINT_POLICY_COUNT) == KERN_SUCCESS;
}
if (@available (macOS 10.10, *))
return pthread_set_qos_class_self_np (getNativeQOS (priority), 0) == 0;
#if JUCE_ARM
// M1 platforms should never reach this code!!!!!!
jassertfalse;
#endif
// Just in case older versions of macOS support SCHED_OTHER priorities.
const auto psp = PosixSchedulerPriority::getNativeSchedulerAndPriority ({}, priority);
struct sched_param param;
param.sched_priority = psp.getPriority();
return pthread_setschedparam (pthread_self(), psp.getScheduler(), ¶m) == 0;
}
//==============================================================================
JUCE_API bool JUCE_CALLTYPE Process::isForegroundProcess()
{
if (SystemStats::isRunningInAppExtensionSandbox())
return true;
#if JUCE_MAC
return [NSApp isActive];
#else
return isIOSAppActive;
#endif
}
JUCE_API void JUCE_CALLTYPE Process::makeForegroundProcess()
{
#if JUCE_MAC
if (! SystemStats::isRunningInAppExtensionSandbox())
[NSApp activateIgnoringOtherApps: YES];
#endif
}
JUCE_API void JUCE_CALLTYPE Process::hide()
{
if (! SystemStats::isRunningInAppExtensionSandbox())
{
#if JUCE_MAC
[NSApp hide: nil];
#elif JUCE_IOS
[[UIApplication sharedApplication] performSelector: @selector(suspend)];
#endif
}
}
JUCE_API void JUCE_CALLTYPE Process::raisePrivilege() {}
JUCE_API void JUCE_CALLTYPE Process::lowerPrivilege() {}
JUCE_API void JUCE_CALLTYPE Process::setPriority (ProcessPriority) {}
//==============================================================================
JUCE_API bool JUCE_CALLTYPE juce_isRunningUnderDebugger() noexcept
{
struct kinfo_proc info;
int m[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, getpid() };
size_t sz = sizeof (info);
sysctl (m, 4, &info, &sz, nullptr, 0);
return (info.kp_proc.p_flag & P_TRACED) != 0;
}
} // namespace juce
|
