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The first is priority inheritance.
						        										 	
						        					            	
				            	第一种是优先级继承。
								    				            	
				 	    						                 	youdao
				            					            						        	 
		         		 		        			         		
		          					          
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Priority inversion and priority inheritance.
						        										 	
						        					            	
				            	优先级反转和优先级继承。
								    				            	
				 	    						                 	youdao
				            					            						        	 
		         		 		        			         		
		          					          
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Priority inheritance is also needed for certain system locks.
						        										 	
						        					            	
				            	对于某些系统锁也需要使用优先级继承。
								    				            	
				 	    						                 	youdao
				            					            						        	 
		         		 		        			         		
		          					          
		          			                            				          						        				          							        	- 
				           		
Priority inheritance is also needed for certain system locks.
						        										 	
						        					            	
				            	对于某些系统锁也需要使用优先级继承。
								    				            	
				 	    						                 	youdao