annotate system/System.h @ 622:43b0bfd07bd3

* Fix potential static initialiser race (FileFinder vs InteractiveFileFinder instance pointers)
author Chris Cannam
date Fri, 12 Mar 2010 14:53:44 +0000
parents 1415e35881f6
children badbbf0921fa
rev   line source
Chris@150 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@150 2
Chris@150 3 /*
Chris@150 4 Sonic Visualiser
Chris@150 5 An audio file viewer and annotation editor.
Chris@150 6 Centre for Digital Music, Queen Mary, University of London.
Chris@202 7 This file copyright 2006 Chris Cannam and QMUL.
Chris@150 8
Chris@150 9 This program is free software; you can redistribute it and/or
Chris@150 10 modify it under the terms of the GNU General Public License as
Chris@150 11 published by the Free Software Foundation; either version 2 of the
Chris@150 12 License, or (at your option) any later version. See the file
Chris@150 13 COPYING included with this distribution for more information.
Chris@150 14 */
Chris@150 15
Chris@150 16 #ifndef _SYSTEM_H_
Chris@150 17 #define _SYSTEM_H_
Chris@150 18
Chris@150 19 #ifdef _WIN32
Chris@150 20
Chris@150 21 #include <windows.h>
Chris@150 22 #include <malloc.h>
Chris@150 23 #include <process.h>
Chris@606 24 #include <math.h>
Chris@150 25
Chris@150 26 #define MLOCK(a,b) 1
Chris@150 27 #define MUNLOCK(a,b) 1
Chris@150 28 #define MUNLOCK_SAMPLEBLOCK(a) 1
Chris@368 29 #define MUNLOCKALL() 1
Chris@150 30
Chris@150 31 #define DLOPEN(a,b) LoadLibrary((a).toStdWString().c_str())
Chris@150 32 #define DLSYM(a,b) GetProcAddress((HINSTANCE)(a),(b))
Chris@223 33 #define DLCLOSE(a) (!FreeLibrary((HINSTANCE)(a)))
Chris@150 34 #define DLERROR() ""
Chris@150 35
Chris@150 36 #define PLUGIN_GLOB "*.dll"
Chris@223 37 #define PATH_SEPARATOR ';'
Chris@186 38
Chris@219 39 // The default Vamp plugin path is obtained from a function in the
Chris@219 40 // Vamp SDK (Vamp::PluginHostAdapter::getPluginPath).
Chris@186 41
Chris@219 42 // At the time of writing, at least, the vast majority of LADSPA
Chris@219 43 // plugins on Windows hosts will have been put there for use in
Chris@219 44 // Audacity. It's a bit of a shame that Audacity uses its own Program
Chris@219 45 // Files directory for plugins that any host may want to use... maybe
Chris@219 46 // they were just following the example of VSTs, which are usually
Chris@219 47 // found in Steinberg's Program Files directory. Anyway, we can
Chris@219 48 // greatly increase our chances of picking up some LADSPA plugins by
Chris@219 49 // default if we include the Audacity plugin location as well as an
Chris@219 50 // (imho) more sensible place.
Chris@219 51
Chris@223 52 #define DEFAULT_LADSPA_PATH "%ProgramFiles%\\LADSPA Plugins;%ProgramFiles%\\Audacity\\Plug-Ins"
Chris@186 53 #define DEFAULT_DSSI_PATH "%ProgramFiles%\\DSSI Plugins"
Chris@150 54
Chris@150 55 #define getpid _getpid
Chris@150 56
Chris@150 57 extern "C" {
Chris@150 58 void usleep(unsigned long usec);
Chris@501 59 int gettimeofday(struct timeval *p, void *tz);
Chris@150 60 }
Chris@150 61
Chris@606 62 #define ISNAN isnan
Chris@606 63 #define ISINF isinf
Chris@606 64
Chris@150 65 #else
Chris@150 66
Chris@150 67 #include <sys/mman.h>
Chris@150 68 #include <dlfcn.h>
Chris@602 69 #include <stdio.h> // for perror
Chris@606 70 #include <cmath>
Chris@150 71
Chris@150 72 #define MLOCK(a,b) ::mlock((a),(b))
Chris@150 73 #define MUNLOCK(a,b) (::munlock((a),(b)) ? (::perror("munlock failed"), 0) : 0)
Chris@150 74 #define MUNLOCK_SAMPLEBLOCK(a) do { if (!(a).empty()) { const float &b = *(a).begin(); MUNLOCK(&b, (a).capacity() * sizeof(float)); } } while(0);
Chris@232 75 //#define MLOCK(a,b) 1
Chris@232 76 //#define MUNLOCK(a,b) 1
Chris@232 77 //#define MUNLOCK_SAMPLEBLOCK(a) 1
Chris@150 78
Chris@150 79 #define DLOPEN(a,b) dlopen((a).toStdString().c_str(),(b))
Chris@150 80 #define DLSYM(a,b) dlsym((a),(b))
Chris@150 81 #define DLCLOSE(a) dlclose((a))
Chris@150 82 #define DLERROR() dlerror()
Chris@150 83
Chris@606 84 #include <cmath>
Chris@606 85 #define ISNAN std::isnan
Chris@606 86 #define ISINF std::isinf
Chris@606 87
Chris@150 88 #ifdef __APPLE__
Chris@150 89
Chris@255 90 #define PLUGIN_GLOB "*.dylib *.so"
Chris@223 91 #define PATH_SEPARATOR ':'
Chris@186 92
Chris@186 93 #define DEFAULT_LADSPA_PATH "$HOME/Library/Audio/Plug-Ins/LADSPA:/Library/Audio/Plug-Ins/LADSPA"
Chris@186 94 #define DEFAULT_DSSI_PATH "$HOME/Library/Audio/Plug-Ins/DSSI:/Library/Audio/Plug-Ins/DSSI"
Chris@150 95
Chris@368 96 #define MUNLOCKALL() 1
Chris@368 97
Chris@150 98 #else
Chris@150 99
Chris@606 100 #ifdef sun
Chris@606 101 #undef MLOCK
Chris@606 102 #undef MUNLOCK
Chris@606 103 #define MLOCK(a,b) ::mlock((char *)a,b)
Chris@606 104 #define MUNLOCK(a,b) ::munlock((char *)a,b)
Chris@606 105 #ifdef __SUNPRO_CC
Chris@606 106 #undef ISNAN
Chris@606 107 #undef ISINF
Chris@606 108 #define ISNAN(x) ((x)!=(x))
Chris@606 109 #define ISINF(x) 0
Chris@606 110 #endif
Chris@606 111 #endif
Chris@606 112
Chris@150 113 #define PLUGIN_GLOB "*.so"
Chris@223 114 #define PATH_SEPARATOR ':'
Chris@186 115
Chris@186 116 #define DEFAULT_LADSPA_PATH "$HOME/ladspa:$HOME/.ladspa:/usr/local/lib/ladspa:/usr/lib/ladspa"
Chris@186 117 #define DEFAULT_DSSI_PATH "$HOME/dssi:$HOME/.dssi:/usr/local/lib/dssi:/usr/lib/dssi"
Chris@150 118
Chris@368 119 #define MUNLOCKALL() ::munlockall()
Chris@368 120
Chris@150 121 #endif /* __APPLE__ */
Chris@150 122
Chris@150 123 #endif /* ! _WIN32 */
Chris@150 124
Chris@150 125 enum ProcessStatus { ProcessRunning, ProcessNotRunning, UnknownProcessStatus };
Chris@150 126 extern ProcessStatus GetProcessStatus(int pid);
Chris@150 127
Chris@168 128 // Return a vague approximation to the number of free megabytes of real memory.
Chris@168 129 // Return -1 if unknown.
Chris@170 130 extern void GetRealMemoryMBAvailable(int &available, int &total);
Chris@168 131
Chris@168 132 // Return a vague approximation to the number of free megabytes of disc space
Chris@168 133 // on the partition containing the given path. Return -1 if unknown.
Chris@168 134 extern int GetDiscSpaceMBAvailable(const char *path);
Chris@168 135
Chris@303 136 extern void StoreStartupLocale();
Chris@303 137 extern void RestoreStartupLocale();
Chris@303 138
Chris@150 139 #include <cmath>
Chris@150 140
Chris@150 141 extern double mod(double x, double y);
Chris@150 142 extern float modf(float x, float y);
Chris@150 143
Chris@150 144 extern double princarg(double a);
Chris@150 145 extern float princargf(float a);
Chris@150 146
Chris@573 147 #ifdef USE_POW_NO_F
Chris@573 148 #define powf pow
Chris@573 149 #endif
Chris@573 150
Chris@150 151 #endif /* ! _SYSTEM_H_ */
Chris@150 152
Chris@150 153