2014-10-02 22:23 GMT+08:00 Xiangrong Fang <xrf...@gmail.com>: > > 2014-10-02 22:09 GMT+08:00 Michael Schnell <mschn...@lumino.de>: > >> >> AFAIR, in Linux, the fpc RTL calls the pthread library "mutex..." >> function. This library uses Futex, if the arch supports that, and uses the >> plain old MUTEX system call if the arch does not support FUTEX. > > I found some quotes online:
For Windows, critical sections are lighter-weight than mutexes. > Mutexes can be shared between processes, but always result in a system > call to the kernel which has some overhead. Critical sections can only be > used within one process, but have the advantage that they only switch to > kernel mode in the case of contention. I only need lock WITHIN my own application, so, it seems that critical sections are better. Xiangrong
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