🛠️🐜 Antkeeper superbuild with dependencies included
https://antkeeper.com
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
740 lines
21 KiB
740 lines
21 KiB
/**
|
|
* OpenAL cross platform audio library
|
|
* Copyright (C) 2011 by authors.
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
* Or go to http://www.gnu.org/copyleft/lgpl.html
|
|
*/
|
|
|
|
#ifdef _WIN32
|
|
#ifdef __MINGW32__
|
|
#define _WIN32_IE 0x501
|
|
#else
|
|
#define _WIN32_IE 0x400
|
|
#endif
|
|
#endif
|
|
|
|
#include "config.h"
|
|
|
|
#include <cstdlib>
|
|
#include <ctime>
|
|
#include <cerrno>
|
|
#include <cstdarg>
|
|
#include <cctype>
|
|
#ifdef HAVE_MALLOC_H
|
|
#include <malloc.h>
|
|
#endif
|
|
#ifdef HAVE_DIRENT_H
|
|
#include <dirent.h>
|
|
#endif
|
|
#ifdef HAVE_PROC_PIDPATH
|
|
#include <libproc.h>
|
|
#endif
|
|
|
|
#ifdef __FreeBSD__
|
|
#include <sys/types.h>
|
|
#include <sys/sysctl.h>
|
|
#endif
|
|
|
|
#ifndef AL_NO_UID_DEFS
|
|
#if defined(HAVE_GUIDDEF_H) || defined(HAVE_INITGUID_H)
|
|
#define INITGUID
|
|
#include <windows.h>
|
|
#ifdef HAVE_GUIDDEF_H
|
|
#include <guiddef.h>
|
|
#else
|
|
#include <initguid.h>
|
|
#endif
|
|
|
|
DEFINE_GUID(KSDATAFORMAT_SUBTYPE_PCM, 0x00000001, 0x0000, 0x0010, 0x80,0x00, 0x00,0xaa,0x00,0x38,0x9b,0x71);
|
|
DEFINE_GUID(KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, 0x00000003, 0x0000, 0x0010, 0x80,0x00, 0x00,0xaa,0x00,0x38,0x9b,0x71);
|
|
|
|
DEFINE_GUID(IID_IDirectSoundNotify, 0xb0210783, 0x89cd, 0x11d0, 0xaf,0x08, 0x00,0xa0,0xc9,0x25,0xcd,0x16);
|
|
|
|
DEFINE_GUID(CLSID_MMDeviceEnumerator, 0xbcde0395, 0xe52f, 0x467c, 0x8e,0x3d, 0xc4,0x57,0x92,0x91,0x69,0x2e);
|
|
DEFINE_GUID(IID_IMMDeviceEnumerator, 0xa95664d2, 0x9614, 0x4f35, 0xa7,0x46, 0xde,0x8d,0xb6,0x36,0x17,0xe6);
|
|
DEFINE_GUID(IID_IAudioClient, 0x1cb9ad4c, 0xdbfa, 0x4c32, 0xb1,0x78, 0xc2,0xf5,0x68,0xa7,0x03,0xb2);
|
|
DEFINE_GUID(IID_IAudioRenderClient, 0xf294acfc, 0x3146, 0x4483, 0xa7,0xbf, 0xad,0xdc,0xa7,0xc2,0x60,0xe2);
|
|
DEFINE_GUID(IID_IAudioCaptureClient, 0xc8adbd64, 0xe71e, 0x48a0, 0xa4,0xde, 0x18,0x5c,0x39,0x5c,0xd3,0x17);
|
|
|
|
#ifdef HAVE_WASAPI
|
|
#include <wtypes.h>
|
|
#include <devpropdef.h>
|
|
#include <propkeydef.h>
|
|
DEFINE_DEVPROPKEY(DEVPKEY_Device_FriendlyName, 0xa45c254e, 0xdf1c, 0x4efd, 0x80,0x20, 0x67,0xd1,0x46,0xa8,0x50,0xe0, 14);
|
|
DEFINE_PROPERTYKEY(PKEY_AudioEndpoint_FormFactor, 0x1da5d803, 0xd492, 0x4edd, 0x8c,0x23, 0xe0,0xc0,0xff,0xee,0x7f,0x0e, 0);
|
|
DEFINE_PROPERTYKEY(PKEY_AudioEndpoint_GUID, 0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23,0xe0, 0xc0,0xff,0xee,0x7f,0x0e, 4 );
|
|
#endif
|
|
#endif
|
|
#endif /* AL_NO_UID_DEFS */
|
|
|
|
#ifdef HAVE_DLFCN_H
|
|
#include <dlfcn.h>
|
|
#endif
|
|
#ifdef HAVE_INTRIN_H
|
|
#include <intrin.h>
|
|
#endif
|
|
#ifdef HAVE_CPUID_H
|
|
#include <cpuid.h>
|
|
#endif
|
|
#ifdef HAVE_SSE_INTRINSICS
|
|
#include <xmmintrin.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SYSCONF_H
|
|
#include <sys/sysconf.h>
|
|
#endif
|
|
#ifdef HAVE_FLOAT_H
|
|
#include <cfloat>
|
|
#endif
|
|
#ifdef HAVE_IEEEFP_H
|
|
#include <ieeefp.h>
|
|
#endif
|
|
|
|
#ifndef _WIN32
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/mman.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#elif defined(_WIN32_IE)
|
|
#include <shlobj.h>
|
|
#endif
|
|
|
|
#include <mutex>
|
|
#include <vector>
|
|
#include <string>
|
|
#include <algorithm>
|
|
|
|
#include "alMain.h"
|
|
#include "alu.h"
|
|
#include "cpu_caps.h"
|
|
#include "fpu_modes.h"
|
|
#include "vector.h"
|
|
#include "compat.h"
|
|
#include "threads.h"
|
|
|
|
|
|
#if defined(HAVE_GCC_GET_CPUID) && (defined(__i386__) || defined(__x86_64__) || \
|
|
defined(_M_IX86) || defined(_M_X64))
|
|
using reg_type = unsigned int;
|
|
static inline void get_cpuid(int f, reg_type *regs)
|
|
{ __get_cpuid(f, ®s[0], ®s[1], ®s[2], ®s[3]); }
|
|
#define CAN_GET_CPUID
|
|
#elif defined(HAVE_CPUID_INTRINSIC) && (defined(__i386__) || defined(__x86_64__) || \
|
|
defined(_M_IX86) || defined(_M_X64))
|
|
using reg_type = int;
|
|
static inline void get_cpuid(int f, reg_type *regs)
|
|
{ (__cpuid)(regs, f); }
|
|
#define CAN_GET_CPUID
|
|
#endif
|
|
|
|
int CPUCapFlags = 0;
|
|
|
|
void FillCPUCaps(int capfilter)
|
|
{
|
|
int caps = 0;
|
|
|
|
/* FIXME: We really should get this for all available CPUs in case different
|
|
* CPUs have different caps (is that possible on one machine?). */
|
|
#ifdef CAN_GET_CPUID
|
|
union {
|
|
reg_type regs[4];
|
|
char str[sizeof(reg_type[4])];
|
|
} cpuinf[3] = {{ { 0, 0, 0, 0 } }};
|
|
|
|
get_cpuid(0, cpuinf[0].regs);
|
|
if(cpuinf[0].regs[0] == 0)
|
|
ERR("Failed to get CPUID\n");
|
|
else
|
|
{
|
|
unsigned int maxfunc = cpuinf[0].regs[0];
|
|
unsigned int maxextfunc;
|
|
|
|
get_cpuid(0x80000000, cpuinf[0].regs);
|
|
maxextfunc = cpuinf[0].regs[0];
|
|
|
|
TRACE("Detected max CPUID function: 0x%x (ext. 0x%x)\n", maxfunc, maxextfunc);
|
|
|
|
TRACE("Vendor ID: \"%.4s%.4s%.4s\"\n", cpuinf[0].str+4, cpuinf[0].str+12, cpuinf[0].str+8);
|
|
if(maxextfunc >= 0x80000004)
|
|
{
|
|
get_cpuid(0x80000002, cpuinf[0].regs);
|
|
get_cpuid(0x80000003, cpuinf[1].regs);
|
|
get_cpuid(0x80000004, cpuinf[2].regs);
|
|
TRACE("Name: \"%.16s%.16s%.16s\"\n", cpuinf[0].str, cpuinf[1].str, cpuinf[2].str);
|
|
}
|
|
|
|
if(maxfunc >= 1)
|
|
{
|
|
get_cpuid(1, cpuinf[0].regs);
|
|
if((cpuinf[0].regs[3]&(1<<25)))
|
|
caps |= CPU_CAP_SSE;
|
|
if((caps&CPU_CAP_SSE) && (cpuinf[0].regs[3]&(1<<26)))
|
|
caps |= CPU_CAP_SSE2;
|
|
if((caps&CPU_CAP_SSE2) && (cpuinf[0].regs[2]&(1<<0)))
|
|
caps |= CPU_CAP_SSE3;
|
|
if((caps&CPU_CAP_SSE3) && (cpuinf[0].regs[2]&(1<<19)))
|
|
caps |= CPU_CAP_SSE4_1;
|
|
}
|
|
}
|
|
#else
|
|
/* Assume support for whatever's supported if we can't check for it */
|
|
#if defined(HAVE_SSE4_1)
|
|
#warning "Assuming SSE 4.1 run-time support!"
|
|
caps |= CPU_CAP_SSE | CPU_CAP_SSE2 | CPU_CAP_SSE3 | CPU_CAP_SSE4_1;
|
|
#elif defined(HAVE_SSE3)
|
|
#warning "Assuming SSE 3 run-time support!"
|
|
caps |= CPU_CAP_SSE | CPU_CAP_SSE2 | CPU_CAP_SSE3;
|
|
#elif defined(HAVE_SSE2)
|
|
#warning "Assuming SSE 2 run-time support!"
|
|
caps |= CPU_CAP_SSE | CPU_CAP_SSE2;
|
|
#elif defined(HAVE_SSE)
|
|
#warning "Assuming SSE run-time support!"
|
|
caps |= CPU_CAP_SSE;
|
|
#endif
|
|
#endif
|
|
#ifdef HAVE_NEON
|
|
FILE *file = fopen("/proc/cpuinfo", "rt");
|
|
if(!file)
|
|
ERR("Failed to open /proc/cpuinfo, cannot check for NEON support\n");
|
|
else
|
|
{
|
|
std::string features;
|
|
char buf[256];
|
|
|
|
while(fgets(buf, sizeof(buf), file) != nullptr)
|
|
{
|
|
if(strncmp(buf, "Features\t:", 10) != 0)
|
|
continue;
|
|
|
|
features = buf+10;
|
|
while(features.back() != '\n')
|
|
{
|
|
if(fgets(buf, sizeof(buf), file) == nullptr)
|
|
break;
|
|
features += buf;
|
|
}
|
|
break;
|
|
}
|
|
fclose(file);
|
|
file = nullptr;
|
|
|
|
if(!features.empty())
|
|
{
|
|
const char *str = features.c_str();
|
|
while(isspace(str[0])) ++str;
|
|
|
|
TRACE("Got features string:%s\n", str);
|
|
while((str=strstr(str, "neon")) != nullptr)
|
|
{
|
|
if(isspace(*(str-1)) && (str[4] == 0 || isspace(str[4])))
|
|
{
|
|
caps |= CPU_CAP_NEON;
|
|
break;
|
|
}
|
|
++str;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
TRACE("Extensions:%s%s%s%s%s%s\n",
|
|
((capfilter&CPU_CAP_SSE) ? ((caps&CPU_CAP_SSE) ? " +SSE" : " -SSE") : ""),
|
|
((capfilter&CPU_CAP_SSE2) ? ((caps&CPU_CAP_SSE2) ? " +SSE2" : " -SSE2") : ""),
|
|
((capfilter&CPU_CAP_SSE3) ? ((caps&CPU_CAP_SSE3) ? " +SSE3" : " -SSE3") : ""),
|
|
((capfilter&CPU_CAP_SSE4_1) ? ((caps&CPU_CAP_SSE4_1) ? " +SSE4.1" : " -SSE4.1") : ""),
|
|
((capfilter&CPU_CAP_NEON) ? ((caps&CPU_CAP_NEON) ? " +NEON" : " -NEON") : ""),
|
|
((!capfilter) ? " -none-" : "")
|
|
);
|
|
CPUCapFlags = caps & capfilter;
|
|
}
|
|
|
|
|
|
FPUCtl::FPUCtl()
|
|
{
|
|
#if defined(HAVE_SSE_INTRINSICS)
|
|
this->sse_state = _mm_getcsr();
|
|
unsigned int sseState = this->sse_state;
|
|
sseState |= 0x8000; /* set flush-to-zero */
|
|
sseState |= 0x0040; /* set denormals-are-zero */
|
|
_mm_setcsr(sseState);
|
|
|
|
#elif defined(__GNUC__) && defined(HAVE_SSE)
|
|
|
|
if((CPUCapFlags&CPU_CAP_SSE))
|
|
{
|
|
__asm__ __volatile__("stmxcsr %0" : "=m" (*&this->sse_state));
|
|
unsigned int sseState = this->sse_state;
|
|
sseState |= 0x8000; /* set flush-to-zero */
|
|
if((CPUCapFlags&CPU_CAP_SSE2))
|
|
sseState |= 0x0040; /* set denormals-are-zero */
|
|
__asm__ __volatile__("ldmxcsr %0" : : "m" (*&sseState));
|
|
}
|
|
#endif
|
|
|
|
this->in_mode = true;
|
|
}
|
|
|
|
void FPUCtl::leave()
|
|
{
|
|
if(!this->in_mode) return;
|
|
|
|
#if defined(HAVE_SSE_INTRINSICS)
|
|
_mm_setcsr(this->sse_state);
|
|
|
|
#elif defined(__GNUC__) && defined(HAVE_SSE)
|
|
|
|
if((CPUCapFlags&CPU_CAP_SSE))
|
|
__asm__ __volatile__("ldmxcsr %0" : : "m" (*&this->sse_state));
|
|
#endif
|
|
this->in_mode = false;
|
|
}
|
|
|
|
|
|
#ifdef _WIN32
|
|
|
|
const PathNamePair &GetProcBinary()
|
|
{
|
|
static PathNamePair ret;
|
|
if(!ret.fname.empty() || !ret.path.empty())
|
|
return ret;
|
|
|
|
al::vector<WCHAR> fullpath(256);
|
|
DWORD len;
|
|
while((len=GetModuleFileNameW(nullptr, fullpath.data(), static_cast<DWORD>(fullpath.size()))) == fullpath.size())
|
|
fullpath.resize(fullpath.size() << 1);
|
|
if(len == 0)
|
|
{
|
|
ERR("Failed to get process name: error %lu\n", GetLastError());
|
|
return ret;
|
|
}
|
|
|
|
fullpath.resize(len);
|
|
if(fullpath.back() != 0)
|
|
fullpath.push_back(0);
|
|
|
|
auto sep = std::find(fullpath.rbegin()+1, fullpath.rend(), '\\');
|
|
sep = std::find(fullpath.rbegin()+1, sep, '/');
|
|
if(sep != fullpath.rend())
|
|
{
|
|
*sep = 0;
|
|
ret.fname = wstr_to_utf8(&*sep + 1);
|
|
ret.path = wstr_to_utf8(fullpath.data());
|
|
}
|
|
else
|
|
ret.fname = wstr_to_utf8(fullpath.data());
|
|
|
|
TRACE("Got: %s, %s\n", ret.path.c_str(), ret.fname.c_str());
|
|
return ret;
|
|
}
|
|
|
|
|
|
void *LoadLib(const char *name)
|
|
{
|
|
std::wstring wname{utf8_to_wstr(name)};
|
|
return LoadLibraryW(wname.c_str());
|
|
}
|
|
void CloseLib(void *handle)
|
|
{ FreeLibrary(static_cast<HMODULE>(handle)); }
|
|
void *GetSymbol(void *handle, const char *name)
|
|
{
|
|
void *ret{reinterpret_cast<void*>(GetProcAddress(static_cast<HMODULE>(handle), name))};
|
|
if(!ret) ERR("Failed to load %s\n", name);
|
|
return ret;
|
|
}
|
|
|
|
|
|
void al_print(const char *type, const char *prefix, const char *func, const char *fmt, ...)
|
|
{
|
|
al::vector<char> dynmsg;
|
|
char stcmsg[256];
|
|
char *str{stcmsg};
|
|
|
|
va_list args, args2;
|
|
va_start(args, fmt);
|
|
va_copy(args2, args);
|
|
int msglen{std::vsnprintf(str, sizeof(stcmsg), fmt, args)};
|
|
if(UNLIKELY(msglen >= 0 && static_cast<size_t>(msglen) >= sizeof(stcmsg)))
|
|
{
|
|
dynmsg.resize(static_cast<size_t>(msglen) + 1u);
|
|
str = dynmsg.data();
|
|
msglen = std::vsnprintf(str, dynmsg.size(), fmt, args2);
|
|
}
|
|
va_end(args2);
|
|
va_end(args);
|
|
|
|
std::wstring wstr{utf8_to_wstr(str)};
|
|
fprintf(gLogFile, "AL lib: %s %s%s: %ls", type, prefix, func, wstr.c_str());
|
|
fflush(gLogFile);
|
|
}
|
|
|
|
|
|
static inline int is_slash(int c)
|
|
{ return (c == '\\' || c == '/'); }
|
|
|
|
static void DirectorySearch(const char *path, const char *ext, al::vector<std::string> *const results)
|
|
{
|
|
std::string pathstr{path};
|
|
pathstr += "\\*";
|
|
pathstr += ext;
|
|
TRACE("Searching %s\n", pathstr.c_str());
|
|
|
|
std::wstring wpath{utf8_to_wstr(pathstr.c_str())};
|
|
WIN32_FIND_DATAW fdata;
|
|
HANDLE hdl{FindFirstFileW(wpath.c_str(), &fdata)};
|
|
if(hdl != INVALID_HANDLE_VALUE)
|
|
{
|
|
size_t base = results->size();
|
|
do {
|
|
results->emplace_back();
|
|
std::string &str = results->back();
|
|
str = path;
|
|
str += '\\';
|
|
str += wstr_to_utf8(fdata.cFileName);
|
|
TRACE("Got result %s\n", str.c_str());
|
|
} while(FindNextFileW(hdl, &fdata));
|
|
FindClose(hdl);
|
|
|
|
std::sort(results->begin()+base, results->end());
|
|
}
|
|
}
|
|
|
|
al::vector<std::string> SearchDataFiles(const char *ext, const char *subdir)
|
|
{
|
|
static std::mutex search_lock;
|
|
std::lock_guard<std::mutex> _{search_lock};
|
|
|
|
/* If the path is absolute, use it directly. */
|
|
al::vector<std::string> results;
|
|
if(isalpha(subdir[0]) && subdir[1] == ':' && is_slash(subdir[2]))
|
|
{
|
|
std::string path{subdir};
|
|
std::replace(path.begin(), path.end(), '/', '\\');
|
|
DirectorySearch(path.c_str(), ext, &results);
|
|
return results;
|
|
}
|
|
if(subdir[0] == '\\' && subdir[1] == '\\' && subdir[2] == '?' && subdir[3] == '\\')
|
|
{
|
|
DirectorySearch(subdir, ext, &results);
|
|
return results;
|
|
}
|
|
|
|
std::string path;
|
|
|
|
/* Search the app-local directory. */
|
|
WCHAR *cwdbuf{_wgetenv(L"ALSOFT_LOCAL_PATH")};
|
|
if(cwdbuf && *cwdbuf != '\0')
|
|
{
|
|
path = wstr_to_utf8(cwdbuf);
|
|
if(is_slash(path.back()))
|
|
path.pop_back();
|
|
}
|
|
else if(!(cwdbuf=_wgetcwd(nullptr, 0)))
|
|
path = ".";
|
|
else
|
|
{
|
|
path = wstr_to_utf8(cwdbuf);
|
|
if(is_slash(path.back()))
|
|
path.pop_back();
|
|
free(cwdbuf);
|
|
}
|
|
std::replace(path.begin(), path.end(), '/', '\\');
|
|
DirectorySearch(path.c_str(), ext, &results);
|
|
|
|
/* Search the local and global data dirs. */
|
|
static constexpr int ids[2]{ CSIDL_APPDATA, CSIDL_COMMON_APPDATA };
|
|
for(int id : ids)
|
|
{
|
|
WCHAR buffer[MAX_PATH];
|
|
if(SHGetSpecialFolderPathW(nullptr, buffer, id, FALSE) == FALSE)
|
|
continue;
|
|
|
|
path = wstr_to_utf8(buffer);
|
|
if(!is_slash(path.back()))
|
|
path += '\\';
|
|
path += subdir;
|
|
std::replace(path.begin(), path.end(), '/', '\\');
|
|
|
|
DirectorySearch(path.c_str(), ext, &results);
|
|
}
|
|
|
|
return results;
|
|
}
|
|
|
|
void SetRTPriority(void)
|
|
{
|
|
bool failed = false;
|
|
if(RTPrioLevel > 0)
|
|
failed = !SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_TIME_CRITICAL);
|
|
if(failed) ERR("Failed to set priority level for thread\n");
|
|
}
|
|
|
|
#else
|
|
|
|
const PathNamePair &GetProcBinary()
|
|
{
|
|
static PathNamePair ret;
|
|
if(!ret.fname.empty() || !ret.path.empty())
|
|
return ret;
|
|
|
|
al::vector<char> pathname;
|
|
#ifdef __FreeBSD__
|
|
size_t pathlen;
|
|
int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 };
|
|
if(sysctl(mib, 4, nullptr, &pathlen, nullptr, 0) == -1)
|
|
WARN("Failed to sysctl kern.proc.pathname: %s\n", strerror(errno));
|
|
else
|
|
{
|
|
pathname.resize(pathlen + 1);
|
|
sysctl(mib, 4, pathname.data(), &pathlen, nullptr, 0);
|
|
pathname.resize(pathlen);
|
|
}
|
|
#endif
|
|
#ifdef HAVE_PROC_PIDPATH
|
|
if(pathname.empty())
|
|
{
|
|
char procpath[PROC_PIDPATHINFO_MAXSIZE]{};
|
|
const pid_t pid{getpid()};
|
|
if(proc_pidpath(pid, procpath, sizeof(procpath)) < 1)
|
|
ERR("proc_pidpath(%d, ...) failed: %s\n", pid, strerror(errno));
|
|
else
|
|
pathname.insert(pathname.end(), procpath, procpath+strlen(procpath));
|
|
}
|
|
#endif
|
|
if(pathname.empty())
|
|
{
|
|
pathname.resize(256);
|
|
|
|
const char *selfname{"/proc/self/exe"};
|
|
ssize_t len{readlink(selfname, pathname.data(), pathname.size())};
|
|
if(len == -1 && errno == ENOENT)
|
|
{
|
|
selfname = "/proc/self/file";
|
|
len = readlink(selfname, pathname.data(), pathname.size());
|
|
}
|
|
if(len == -1 && errno == ENOENT)
|
|
{
|
|
selfname = "/proc/curproc/exe";
|
|
len = readlink(selfname, pathname.data(), pathname.size());
|
|
}
|
|
if(len == -1 && errno == ENOENT)
|
|
{
|
|
selfname = "/proc/curproc/file";
|
|
len = readlink(selfname, pathname.data(), pathname.size());
|
|
}
|
|
|
|
while(len > 0 && static_cast<size_t>(len) == pathname.size())
|
|
{
|
|
pathname.resize(pathname.size() << 1);
|
|
len = readlink(selfname, pathname.data(), pathname.size());
|
|
}
|
|
if(len <= 0)
|
|
{
|
|
WARN("Failed to readlink %s: %s\n", selfname, strerror(errno));
|
|
return ret;
|
|
}
|
|
|
|
pathname.resize(len);
|
|
}
|
|
while(!pathname.empty() && pathname.back() == 0)
|
|
pathname.pop_back();
|
|
|
|
auto sep = std::find(pathname.crbegin(), pathname.crend(), '/');
|
|
if(sep != pathname.crend())
|
|
{
|
|
ret.path = std::string(pathname.cbegin(), sep.base()-1);
|
|
ret.fname = std::string(sep.base(), pathname.cend());
|
|
}
|
|
else
|
|
ret.fname = std::string(pathname.cbegin(), pathname.cend());
|
|
|
|
TRACE("Got: %s, %s\n", ret.path.c_str(), ret.fname.c_str());
|
|
return ret;
|
|
}
|
|
|
|
|
|
#ifdef HAVE_DLFCN_H
|
|
|
|
void *LoadLib(const char *name)
|
|
{
|
|
dlerror();
|
|
void *handle{dlopen(name, RTLD_NOW)};
|
|
const char *err{dlerror()};
|
|
if(err) handle = nullptr;
|
|
return handle;
|
|
}
|
|
void CloseLib(void *handle)
|
|
{ dlclose(handle); }
|
|
void *GetSymbol(void *handle, const char *name)
|
|
{
|
|
dlerror();
|
|
void *sym{dlsym(handle, name)};
|
|
const char *err{dlerror()};
|
|
if(err)
|
|
{
|
|
WARN("Failed to load %s: %s\n", name, err);
|
|
sym = nullptr;
|
|
}
|
|
return sym;
|
|
}
|
|
|
|
#endif /* HAVE_DLFCN_H */
|
|
|
|
void al_print(const char *type, const char *prefix, const char *func, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
fprintf(gLogFile, "AL lib: %s %s%s: ", type, prefix, func);
|
|
vfprintf(gLogFile, fmt, ap);
|
|
va_end(ap);
|
|
|
|
fflush(gLogFile);
|
|
}
|
|
|
|
|
|
static void DirectorySearch(const char *path, const char *ext, al::vector<std::string> *const results)
|
|
{
|
|
TRACE("Searching %s for *%s\n", path, ext);
|
|
DIR *dir{opendir(path)};
|
|
if(dir != nullptr)
|
|
{
|
|
const size_t extlen = strlen(ext);
|
|
size_t base = results->size();
|
|
|
|
struct dirent *dirent;
|
|
while((dirent=readdir(dir)) != nullptr)
|
|
{
|
|
if(strcmp(dirent->d_name, ".") == 0 || strcmp(dirent->d_name, "..") == 0)
|
|
continue;
|
|
|
|
size_t len{strlen(dirent->d_name)};
|
|
if(len <= extlen) continue;
|
|
if(strcasecmp(dirent->d_name+len-extlen, ext) != 0)
|
|
continue;
|
|
|
|
results->emplace_back();
|
|
std::string &str = results->back();
|
|
str = path;
|
|
if(str.back() != '/')
|
|
str.push_back('/');
|
|
str += dirent->d_name;
|
|
TRACE("Got result %s\n", str.c_str());
|
|
}
|
|
closedir(dir);
|
|
|
|
std::sort(results->begin()+base, results->end());
|
|
}
|
|
}
|
|
|
|
al::vector<std::string> SearchDataFiles(const char *ext, const char *subdir)
|
|
{
|
|
static std::mutex search_lock;
|
|
std::lock_guard<std::mutex> _{search_lock};
|
|
|
|
al::vector<std::string> results;
|
|
if(subdir[0] == '/')
|
|
{
|
|
DirectorySearch(subdir, ext, &results);
|
|
return results;
|
|
}
|
|
|
|
/* Search the app-local directory. */
|
|
const char *str{getenv("ALSOFT_LOCAL_PATH")};
|
|
if(str && *str != '\0')
|
|
DirectorySearch(str, ext, &results);
|
|
else
|
|
{
|
|
al::vector<char> cwdbuf(256);
|
|
while(!getcwd(cwdbuf.data(), cwdbuf.size()))
|
|
{
|
|
if(errno != ERANGE)
|
|
{
|
|
cwdbuf.clear();
|
|
break;
|
|
}
|
|
cwdbuf.resize(cwdbuf.size() << 1);
|
|
}
|
|
if(cwdbuf.empty())
|
|
DirectorySearch(".", ext, &results);
|
|
else
|
|
{
|
|
DirectorySearch(cwdbuf.data(), ext, &results);
|
|
cwdbuf.clear();
|
|
}
|
|
}
|
|
|
|
// Search local data dir
|
|
if((str=getenv("XDG_DATA_HOME")) != nullptr && str[0] != '\0')
|
|
{
|
|
std::string path{str};
|
|
if(path.back() != '/')
|
|
path += '/';
|
|
path += subdir;
|
|
DirectorySearch(path.c_str(), ext, &results);
|
|
}
|
|
else if((str=getenv("HOME")) != nullptr && str[0] != '\0')
|
|
{
|
|
std::string path{str};
|
|
if(path.back() == '/')
|
|
path.pop_back();
|
|
path += "/.local/share/";
|
|
path += subdir;
|
|
DirectorySearch(path.c_str(), ext, &results);
|
|
}
|
|
|
|
// Search global data dirs
|
|
if((str=getenv("XDG_DATA_DIRS")) == nullptr || str[0] == '\0')
|
|
str = "/usr/local/share/:/usr/share/";
|
|
|
|
const char *next{str};
|
|
while((str=next) != nullptr && str[0] != '\0')
|
|
{
|
|
next = strchr(str, ':');
|
|
|
|
std::string path = (next ? std::string(str, next++) : std::string(str));
|
|
if(path.empty()) continue;
|
|
|
|
if(path.back() != '/')
|
|
path += '/';
|
|
path += subdir;
|
|
|
|
DirectorySearch(path.c_str(), ext, &results);
|
|
}
|
|
|
|
return results;
|
|
}
|
|
|
|
void SetRTPriority()
|
|
{
|
|
bool failed = false;
|
|
#if defined(HAVE_PTHREAD_SETSCHEDPARAM) && !defined(__OpenBSD__)
|
|
if(RTPrioLevel > 0)
|
|
{
|
|
struct sched_param param;
|
|
/* Use the minimum real-time priority possible for now (on Linux this
|
|
* should be 1 for SCHED_RR) */
|
|
param.sched_priority = sched_get_priority_min(SCHED_RR);
|
|
failed = !!pthread_setschedparam(pthread_self(), SCHED_RR, ¶m);
|
|
}
|
|
#else
|
|
/* Real-time priority not available */
|
|
failed = (RTPrioLevel>0);
|
|
#endif
|
|
if(failed)
|
|
ERR("Failed to set priority level for thread\n");
|
|
}
|
|
|
|
#endif
|