Clarify docs a bit
Bug: 64394076
Test: N/A
Change-Id: I79756c90fdafc076f51097af709e1f44d60738c9
diff --git a/include/android/sharedmem_jni.h b/include/android/sharedmem_jni.h
index 38980f3..85ac78f 100644
--- a/include/android/sharedmem_jni.h
+++ b/include/android/sharedmem_jni.h
@@ -67,7 +67,8 @@
* \param env The JNIEnv* pointer
* \param sharedMemory The Java android.os.SharedMemory object
* \return file descriptor that denotes the shared memory; -1 if the shared memory object is
- * already closed or if the JNIEnv or jobject is NULL.
+ * already closed, if the JNIEnv or jobject is NULL, or if there are too many open file
+ * descriptors (errno=EMFILE)
*/
int ASharedMemory_dupFromJava(JNIEnv* env, jobject sharedMemory);