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Diffstat (limited to 'platform/darwin/src/NSException+MGLAdditions.h')
-rw-r--r--platform/darwin/src/NSException+MGLAdditions.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/platform/darwin/src/NSException+MGLAdditions.h b/platform/darwin/src/NSException+MGLAdditions.h
new file mode 100644
index 0000000000..f75b54c15c
--- /dev/null
+++ b/platform/darwin/src/NSException+MGLAdditions.h
@@ -0,0 +1,3 @@
+#import <Foundation/Foundation.h>
+
+#define MGLAssertIsMainThread() NSAssert([[NSThread currentThread] isMainThread], @"%s must be accessed on the main thread, not %@", __PRETTY_FUNCTION__, [NSThread currentThread])