axmol/thirdparty/openal/core/dbus_wrap.cpp

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2021-05-14 10:15:42 +08:00
#include "config.h"
#include "dbus_wrap.h"
#ifdef HAVE_DYNLOAD
#include <mutex>
#include <type_traits>
#include "logging.h"
void *dbus_handle{nullptr};
#define DECL_FUNC(x) decltype(x) *p##x{};
DBUS_FUNCTIONS(DECL_FUNC)
#undef DECL_FUNC
void PrepareDBus()
{
static constexpr char libname[] = "libdbus-1.so.3";
auto load_func = [](auto &f, const char *name) -> void
{ f = reinterpret_cast<std::remove_reference_t<decltype(f)>>(GetSymbol(dbus_handle, name)); };
#define LOAD_FUNC(x) do { \
load_func(p##x, #x); \
if(!p##x) \
{ \
WARN("Failed to load function %s\n", #x); \
CloseLib(dbus_handle); \
dbus_handle = nullptr; \
return; \
} \
} while(0);
dbus_handle = LoadLib(libname);
if(!dbus_handle)
{
WARN("Failed to load %s\n", libname);
return;
}
DBUS_FUNCTIONS(LOAD_FUNC)
#undef LOAD_FUNC
}
#endif