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initialise to the no logger iff no other logger has been loaded

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Corwin 2023-08-05 19:14:49 +01:00
parent 3430668bdd
commit 987928a9a8
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1 changed files with 7 additions and 2 deletions
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9
emulator/mgba/src/lib.rs
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@ -1,7 +1,7 @@
mod log; mod log;
mod vfile; mod vfile;
use std::ptr::NonNull; use std::{ptr::NonNull, sync::atomic::{AtomicBool, Ordering}};
pub use log::{Logger, LogLevel}; pub use log::{Logger, LogLevel};
pub use vfile::{file::FileBacked, memory::MemoryBacked, shared::Shared, MapFlag, VFile}; pub use vfile::{file::FileBacked, memory::MemoryBacked, shared::Shared, MapFlag, VFile};
@ -27,13 +27,18 @@ macro_rules! call_on_core {
}; };
} }
static GLOBAL_LOGGER_HAS_BEEN_INITIALISED: AtomicBool = AtomicBool::new(false);
pub fn set_global_default_logger(logger: &'static Logger) { pub fn set_global_default_logger(logger: &'static Logger) {
GLOBAL_LOGGER_HAS_BEEN_INITIALISED.store(true, Ordering::SeqCst);
unsafe { mgba_sys::mLogSetDefaultLogger(logger.to_mgba()) } unsafe { mgba_sys::mLogSetDefaultLogger(logger.to_mgba()) }
} }
impl MCore { impl MCore {
pub fn new() -> Option<Self> { pub fn new() -> Option<Self> {
set_global_default_logger(&log::NO_LOGGER); if !GLOBAL_LOGGER_HAS_BEEN_INITIALISED.load(Ordering::SeqCst) {
set_global_default_logger(&log::NO_LOGGER);
}
let core = unsafe { mgba_sys::GBACoreCreate() }; let core = unsafe { mgba_sys::GBACoreCreate() };
let core = NonNull::new(core)?; let core = NonNull::new(core)?;