Changes between Version 10 and Version 11 of user_synchro

Timestamp:

Oct 9, 2018, 7:54:33 PM (6 years ago)

Author:

alain

Comment:

--

user_synchro

@@ -5 +5 @@
 == A) General Principles ==
 
-All data structure defined by  ALMOS-MKH to support the user-level, POSIX compliant, synchronization services are fully specific, and do NOT use the kernel level synchronization primitives described in section J. 
  * A '''mutex''' is declared by a given user process as a ''pthread_mutex_t'' global variable. 
  * A '''condvar'''  is declared by a given user process as a ''pthread_cond_t'' global variable. 
@@ -14 +13 @@
 As these synchronization variables are used by threads running in different clusters, all access functions use remote_read() / remote_write() primitives.
 
-For each type of variable, ALMOS-MKH defines a specific internal data structure as described below.
+For each type of variable, ALMOS-MKH defines a specific internal data structure as described below. All these structures
+are protected by a kernel remote_busylock_t, as described in section J. 
 
 == B) Mutex ==