soak: Pull sync state out into a separate variable.

diff --git a/soak b/soak
index 83645db6ed01df718a99c3a58407ec378513911f..7953608d988f44f89b812cfdc02c0ae11af2a7cd 100755 (executable)
--- a/soak
+++ b/soak
@@ -225,6 +225,7 @@ def choices():
 OPTS = Options()
 ST = State(OPTS)
 KID = SUB.Popen(OPTS.testprog, stdin = SUB.PIPE, stdout = SUB.PIPE)
+SYNC = OPTS.sync
 
 def fail(msg):
   SYS.stderr.write("%s: FAILED: %s\n" % (PROG, msg))
@@ -238,17 +239,17 @@ def fail(msg):
 def put(msg, echo = True):
   try: KID.stdin.write(msg.encode()); KID.stdin.flush()
   except OSError as err: fail("write failed: %s" % err)
-  if OPTS.sync and echo: SYS.stdout.write("$ " + msg); SYS.stdout.flush()
+  if SYNC and echo: SYS.stdout.write("$ " + msg); SYS.stdout.flush()
 def get(echo = True):
   try: line = KID.stdout.readline().decode()
   except OSError as err: fail("read failed: %s" % err)
   if line == "": fail("unexpected end of file")
-  if OPTS.sync and echo: SYS.stdout.write(line)
+  if SYNC and echo: SYS.stdout.write(line)
   if line[-1] == "\n": return line[:-1]
   else: return line
 
 def dump_tree():
-  if OPTS.sync:
+  if SYNC:
     put("D\n:;;END DUMP\n", echo = False)
     while True:
       line = get(echo = False)
@@ -279,7 +280,7 @@ dump_tree()
 STEP = CSTEP = 0
 ch = choices()
 while OPTS.nsteps is None or STEP < OPTS.nsteps:
-  if OPTS.sync: SYS.stdout.write("\n;; step %d\n" % CSTEP)
+  if SYNC: SYS.stdout.write("\n;; step %d\n" % CSTEP)
   op = ch.choose(ST.rand)
 
   if op == "addrm1":
@@ -393,11 +394,11 @@ while OPTS.nsteps is None or STEP < OPTS.nsteps:
 
   STEP += 1; CSTEP += 1
   dump_tree()
-  if OPTS.sync or CSTEP == OPTS.ckpt_steps: check_tree()
+  if SYNC or CSTEP == OPTS.ckpt_steps: check_tree()
   if CSTEP == OPTS.ckpt_steps:
     snapshot()
     ST.write_ckpt()
-    CSTEP = 0; OPTS.sync = False
+    CSTEP = 0; SYNC = False
 
 while True:
   check_tree()