All random numbers generated via one PRNG seeded in one place.

[invirt/third/libt4.git] / lock_client.cc

diff --git a/lock_client.cc b/lock_client.cc
index 009e051..e1bd62f 100644 (file)
--- a/lock_client.cc
+++ b/lock_client.cc
@@ -20,8 +20,6 @@ void lock_state::signal(thread::id who) {
         c[who].notify_one();
 }
 
-in_port_t lock_client::last_port = 0;
-
 lock_state & lock_client::get_lock_state(lock_protocol::lockid_t lid) {
     lock sl(lock_table_lock);
     return lock_table[lid]; // creates the lock if it doesn't already exist
@@ -32,10 +30,8 @@ lock_client::lock_client(string xdst, lock_release_user *_lu) : lu(_lu), next_xi
     if (cl->bind() < 0)
         LOG << "lock_client: call bind";
 
-    srandom((uint32_t)time(NULL)^last_port);
-    rlock_port = ((random()%32000) | (0x1 << 10));
+    rlock_port = std::uniform_int_distribution<in_port_t>(1024,32000+1024)(global->random_generator);
     id = "127.0.0.1:" + std::to_string(rlock_port);
-    last_port = rlock_port;
     rlsrpc = unique_ptr<rpcs>(new rpcs(rlock_port));
     rlsrpc->reg(rlock_protocol::revoke, &lock_client::revoke_handler, this);
     rlsrpc->reg(rlock_protocol::retry, &lock_client::retry_handler, this);