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Diffstat (limited to 'ACE/netsvcs/clients/Tokens/rw_lock/README')
| -rw-r--r-- | ACE/netsvcs/clients/Tokens/rw_lock/README | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/ACE/netsvcs/clients/Tokens/rw_lock/README b/ACE/netsvcs/clients/Tokens/rw_lock/README new file mode 100644 index 00000000000..dabc0a3741d --- /dev/null +++ b/ACE/netsvcs/clients/Tokens/rw_lock/README @@ -0,0 +1,40 @@ + +test_rw_locks shows how to use ACE_Local_RLock, ACE_Local_WLock, +ACE_Remote_RLock, and ACE_Remote_WLock. + +Here are the options to test_rw_locks: +% ./test_rw_lock -u + -i ignore deadlock + -n <iterations> + -r <reads> + -d debug + -s sleep during writes + -t <threads> + +test_rw_locks spawns <threads> number of threads which perform the +following algorithm: + +for <iterations> + { + for <reads> + acquire read lock + for <reads> + release read lock + + acquire write lock + if (sleep during writes) + sleep for 1 second + release write lock + } + + +The output should show that multiple readers can acquire the lock for +reading simultaneously (note that this also tests recursive +acquisition.) When a writer lock is acquired, the output should show +that no thread holds a reader lock. + +To run a test, simply type: +% ./test_rw_lock + +This should show output as described above. + |