| blob | 6c3e1272cac0ef0a0943fcb8dd8a636edf424f86 |
1 /*\r
2 ==============================================================================\r
3 \r
4 This file is part of the JUCE library - "Jules' Utility Class Extensions"\r
5 Copyright 2004-11 by Raw Material Software Ltd.\r
6 \r
7 ------------------------------------------------------------------------------\r
8 \r
9 JUCE can be redistributed and/or modified under the terms of the GNU General\r
10 Public License (Version 2), as published by the Free Software Foundation.\r
11 A copy of the license is included in the JUCE distribution, or can be found\r
12 online at www.gnu.org/licenses.\r
13 \r
14 JUCE is distributed in the hope that it will be useful, but WITHOUT ANY\r
15 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR\r
16 A PARTICULAR PURPOSE. See the GNU General Public License for more details.\r
17 \r
18 ------------------------------------------------------------------------------\r
19 \r
20 To release a closed-source product which uses JUCE, commercial licenses are\r
21 available: visit www.rawmaterialsoftware.com/juce for more information.\r
22 \r
23 ==============================================================================\r
24 */\r
25 \r
26 // (This file gets included by juce_mac_NativeCode.mm, rather than being\r
27 // compiled on its own).\r
28 #if JUCE_INCLUDED_FILE\r
29 \r
30 namespace SystemStatsHelpers\r
31 {\r
32 #if JUCE_INTEL\r
33 void doCPUID (uint32& a, uint32& b, uint32& c, uint32& d, uint32 type)\r
34 {\r
35 uint32 la = a, lb = b, lc = c, ld = d;\r
36 \r
37 asm ("mov %%ebx, %%esi \n\t"\r
38 "cpuid \n\t"\r
39 "xchg %%esi, %%ebx"\r
40 : "=a" (la), "=S" (lb), "=c" (lc), "=d" (ld) : "a" (type)\r
41 #if JUCE_64BIT\r
42 , "b" (lb), "c" (lc), "d" (ld)\r
43 #endif\r
44 );\r
45 \r
46 a = la; b = lb; c = lc; d = ld;\r
47 }\r
48 #endif\r
49 }\r
50 \r
51 //==============================================================================\r
52 SystemStats::CPUFlags::CPUFlags()\r
53 {\r
54 #if JUCE_INTEL\r
55 uint32 familyModel = 0, extFeatures = 0, features = 0, dummy = 0;\r
56 SystemStatsHelpers::doCPUID (familyModel, extFeatures, dummy, features, 1);\r
57 \r
58 hasMMX = (features & (1 << 23)) != 0;\r
59 hasSSE = (features & (1 << 25)) != 0;\r
60 hasSSE2 = (features & (1 << 26)) != 0;\r
61 has3DNow = (extFeatures & (1 << 31)) != 0;\r
62 #else\r
63 hasMMX = false;\r
64 hasSSE = false;\r
65 hasSSE2 = false;\r
66 has3DNow = false;\r
67 #endif\r
68 \r
69 #if JUCE_IOS || (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5)\r
70 numCpus = (int) [[NSProcessInfo processInfo] activeProcessorCount];\r
71 #else\r
72 numCpus = (int) MPProcessors();\r
73 #endif\r
74 }\r
75 \r
76 #if JUCE_MAC\r
77 struct SharedAppInitialiser\r
78 {\r
79 SharedAppInitialiser()\r
80 {\r
81 JUCE_AUTORELEASEPOOL\r
82 [NSApplication sharedApplication];\r
83 \r
84 rlimit lim;\r
85 getrlimit (RLIMIT_NOFILE, &lim);\r
86 lim.rlim_cur = lim.rlim_max = RLIM_INFINITY;\r
87 setrlimit (RLIMIT_NOFILE, &lim);\r
88 }\r
89 };\r
90 \r
91 static SharedAppInitialiser sharedAppInitialiser;\r
92 #endif\r
93 \r
94 //==============================================================================\r
95 SystemStats::OperatingSystemType SystemStats::getOperatingSystemType()\r
96 {\r
97 return MacOSX;\r
98 }\r
99 \r
100 String SystemStats::getOperatingSystemName()\r
101 {\r
102 #if JUCE_IOS\r
103 String s ("iOS ");\r
104 #else\r
105 String s ("Mac OSX ");\r
106 #endif\r
107 \r
108 struct utsname uts;\r
109 if (uname (&uts) >= 0)\r
110 s << uts.release;\r
111 \r
112 return s;\r
113 }\r
114 \r
115 #if ! JUCE_IOS\r
116 int PlatformUtilities::getOSXMinorVersionNumber()\r
117 {\r
118 SInt32 versionMinor = 0;\r
119 OSErr err = Gestalt (gestaltSystemVersionMinor, &versionMinor);\r
120 (void) err;\r
121 jassert (err == noErr);\r
122 return (int) versionMinor;\r
123 }\r
124 #endif\r
125 \r
126 bool SystemStats::isOperatingSystem64Bit()\r
127 {\r
128 #if JUCE_IOS\r
129 return false;\r
130 #elif JUCE_64BIT\r
131 return true;\r
132 #else\r
133 return PlatformUtilities::getOSXMinorVersionNumber() >= 6;\r
134 #endif\r
135 }\r
136 \r
137 int SystemStats::getMemorySizeInMegabytes()\r
138 {\r
139 uint64 mem = 0;\r
140 size_t memSize = sizeof (mem);\r
141 int mib[] = { CTL_HW, HW_MEMSIZE };\r
142 sysctl (mib, 2, &mem, &memSize, 0, 0);\r
143 return (int) (mem / (1024 * 1024));\r
144 }\r
145 \r
146 String SystemStats::getCpuVendor()\r
147 {\r
148 #if JUCE_INTEL\r
149 uint32 dummy = 0;\r
150 uint32 vendor[4] = { 0 };\r
151 \r
152 SystemStatsHelpers::doCPUID (dummy, vendor[0], vendor[2], vendor[1], 0);\r
153 \r
154 return String (reinterpret_cast <const char*> (vendor), 12);\r
155 #else\r
156 return String::empty;\r
157 #endif\r
158 }\r
159 \r
160 int SystemStats::getCpuSpeedInMegaherz()\r
161 {\r
162 uint64 speedHz = 0;\r
163 size_t speedSize = sizeof (speedHz);\r
164 int mib[] = { CTL_HW, HW_CPU_FREQ };\r
165 sysctl (mib, 2, &speedHz, &speedSize, 0, 0);\r
166 \r
167 #if JUCE_BIG_ENDIAN\r
168 if (speedSize == 4)\r
169 speedHz >>= 32;\r
170 #endif\r
171 \r
172 return (int) (speedHz / 1000000);\r
173 }\r
174 \r
175 //==============================================================================\r
176 String SystemStats::getLogonName()\r
177 {\r
178 return nsStringToJuce (NSUserName());\r
179 }\r
180 \r
181 String SystemStats::getFullUserName()\r
182 {\r
183 return nsStringToJuce (NSFullUserName());\r
184 }\r
185 \r
186 String SystemStats::getComputerName()\r
187 {\r
188 char name [256] = { 0 };\r
189 if (gethostname (name, sizeof (name) - 1) == 0)\r
190 return String (name).upToLastOccurrenceOf (".local", false, true);\r
191 \r
192 return String::empty;\r
193 }\r
194 \r
195 //==============================================================================\r
196 class HiResCounterHandler\r
197 {\r
198 public:\r
199 HiResCounterHandler()\r
200 {\r
201 mach_timebase_info_data_t timebase;\r
202 (void) mach_timebase_info (&timebase);\r
203 highResTimerFrequency = (timebase.denom * (int64) 1000000000) / timebase.numer;\r
204 numerator = timebase.numer;\r
205 denominator = timebase.denom * (int64) 1000000;\r
206 highResTimerToMillisecRatio = numerator / (double) denominator;\r
207 }\r
208 \r
209 inline uint32 millisecondsSinceStartup() const noexcept\r
210 {\r
211 return (uint32) ((mach_absolute_time() * numerator) / denominator);\r
212 }\r
213 \r
214 inline double getMillisecondCounterHiRes() const noexcept\r
215 {\r
216 return mach_absolute_time() * highResTimerToMillisecRatio;\r
217 }\r
218 \r
219 int64 highResTimerFrequency;\r
220 \r
221 private:\r
222 int64 numerator, denominator;\r
223 double highResTimerToMillisecRatio;\r
224 };\r
225 \r
226 static HiResCounterHandler hiResCounterHandler;\r
227 \r
228 uint32 juce_millisecondsSinceStartup() noexcept { return hiResCounterHandler.millisecondsSinceStartup(); }\r
229 double Time::getMillisecondCounterHiRes() noexcept { return hiResCounterHandler.getMillisecondCounterHiRes(); }\r
230 int64 Time::getHighResolutionTicksPerSecond() noexcept { return hiResCounterHandler.highResTimerFrequency; }\r
231 int64 Time::getHighResolutionTicks() noexcept { return (int64) mach_absolute_time(); }\r
232 \r
233 bool Time::setSystemTimeToThisTime() const\r
234 {\r
235 jassertfalse;\r
236 return false;\r
237 }\r
238 \r
239 //==============================================================================\r
240 int SystemStats::getPageSize()\r
241 {\r
242 return (int) NSPageSize();\r
243 }\r
244 \r
245 void PlatformUtilities::fpuReset()\r
246 {\r
247 }\r
248 \r
249 \r
250 #endif\r