diff --git a/native/ios/Comm.xcodeproj/project.pbxproj b/native/ios/Comm.xcodeproj/project.pbxproj
--- a/native/ios/Comm.xcodeproj/project.pbxproj
+++ b/native/ios/Comm.xcodeproj/project.pbxproj
@@ -188,6 +188,7 @@
 		C562A7004903539402D988CE /* Pods-Comm.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Comm.release.xcconfig"; path = "Target Support Files/Pods-Comm/Pods-Comm.release.xcconfig"; sourceTree = "<group>"; };
 		CB1648B027CFD07E00394D9D /* CommRelease.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; name = CommRelease.entitlements; path = Comm/CommRelease.entitlements; sourceTree = "<group>"; };
 		CB30C12327D0ACF700FBE8DE /* NotificationService.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = NotificationService.entitlements; sourceTree = "<group>"; };
+		CB38B4792877179A00171182 /* NonBlockingLock.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = NonBlockingLock.h; path = Comm/TemporaryMessageStorage/NonBlockingLock.h; sourceTree = "<group>"; };
 		CB38F2AE286C6C870010535C /* MessageSpecs.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = MessageSpecs.h; path = PersistentStorageUtilities/MessageOperationsUtilities/MessageSpecs.h; sourceTree = "<group>"; };
 		CB38F2AF286C6C870010535C /* MessageOperationsUtilities.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = MessageOperationsUtilities.cpp; path = PersistentStorageUtilities/MessageOperationsUtilities/MessageOperationsUtilities.cpp; sourceTree = "<group>"; };
 		CB38F2B0286C6C870010535C /* MessageOperationsUtilities.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = MessageOperationsUtilities.h; path = PersistentStorageUtilities/MessageOperationsUtilities/MessageOperationsUtilities.h; sourceTree = "<group>"; };
@@ -318,6 +319,7 @@
 		71B8CCB626BD30EC0040C0A2 /* CommCoreImplementations */ = {
 			isa = PBXGroup;
 			children = (
+				CB38B4782877177B00171182 /* TemporaryMessageStorage */,
 				71762A74270D8AAE00F565ED /* PlatformSpecificTools.mm */,
 				71D4D7CB26C50B1000FCDBCD /* CommSecureStore.mm */,
 				71142A7526C2650A0039DCBD /* CommSecureStoreIOSWrapper.h */,
@@ -514,6 +516,14 @@
 			name = ExpoModulesProviders;
 			sourceTree = "<group>";
 		};
+		CB38B4782877177B00171182 /* TemporaryMessageStorage */ = {
+			isa = PBXGroup;
+			children = (
+				CB38B4792877179A00171182 /* NonBlockingLock.h */,
+			);
+			name = TemporaryMessageStorage;
+			sourceTree = "<group>";
+		};
 		CB38F2AC286C6C010010535C /* MessageOperationsUtilities */ = {
 			isa = PBXGroup;
 			children = (
diff --git a/native/ios/Comm/TemporaryMessageStorage/NonBlockingLock.h b/native/ios/Comm/TemporaryMessageStorage/NonBlockingLock.h
new file mode 100644
--- /dev/null
+++ b/native/ios/Comm/TemporaryMessageStorage/NonBlockingLock.h
@@ -0,0 +1,14 @@
+#import <fcntl.h>
+#import <semaphore.h>
+
+#import <Foundation/Foundation.h>
+
+@interface NonBlockingLock : NSObject
+@property(readonly) const char *lockName;
+@property(readonly, atomic) sem_t *lockHandle;
+
+- (instancetype)initWithName:(NSString *)lockName;
+- (BOOL)tryAcquireLock:(NSError **)err;
+- (void)releaseLock:(NSError **)err;
+- (void)destroyLock:(NSError **)err;
+@end