c**z
发帖数: 669 | 1 In a multithreaded environment, what are two types of methods to protect
memory from being written over
by two threads at the same time?
mutex， 还有什么？ |
l***4
发帖数: 1788 | 2 barrier?
【在 c**z 的大作中提到】
: In a multithreaded environment, what are two types of methods to protect
: memory from being written over
: by two threads at the same time?
: mutex， 还有什么？
|
e***m
发帖数: 92 | 3 barrier和volatile?
mutex不是particularly for this issue
【在 c**z 的大作中提到】
: In a multithreaded environment, what are two types of methods to protect
: memory from being written over
: by two threads at the same time?
: mutex， 还有什么？
|
z******g
发帖数: 271 | 4 barrier和volatile显然不是
barrier是用来prevent memory reordering的，而volatile只是强制compiler生成读取
memory的code。这俩可以说是primitive中的primitive
正确的应该是mutex和atomic operations（fetch-and-xxx，compare-and-swap）
【在 e***m 的大作中提到】
: barrier和volatile?
: mutex不是particularly for this issue
|
k*******a
发帖数: 433 | 5 mutex && semaphore
what is atomic operations |
