Improved orderly-shutdown in testrunner. Windows lets running jobs complete.

Unix just invokes exit and lets the OS deal with cleaning up the mess.

FossilOrigin-Name: ce822e8dc137128a6c495600205c6659a9cd2ba6ba188d86567ed97c04b7aeea

manifest

@@ -1,5 +1,5 @@
-C Remove\san\sintentional\serror\sused\sfor\stesting\sthat\swas\saccidently\sleft\sin\nthe\sprevious\scheck-in.
-D 2026-09-04T13:43:43.352
+C Improved\sorderly-shutdown\sin\stestrunner.\s\sWindows\slets\srunning\sjobs\scomplete.\nUnix\sjust\sinvokes\sexit\sand\slets\sthe\sOS\sdeal\swith\scleaning\sup\sthe\smess.
+D 2026-09-04T14:02:05.724
 F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@ -1735,7 +1735,7 @@ F test/temptrigfault.tes fc5918e64f3867156fefe7cfca9d8e1f495134a5229b2b511b0dc11
 F test/temptrigger.test a00f258ed8d21a0e8fd4f322f15e8cfb5cef2e43655670e07a753e3fb4769d61
 F test/tester.tcl dfd8dd05b54bc493a8db6cc1263ee364c36e3c27fab258dad7305cd79b948f3f
 F test/testloadext.c 862b848783eaed9985fbce46c65cd214664376b549fae252b364d5d1ef350a27
-F test/testrunner.tcl 08978289eafd01ffb60e06935ed138bba0660cec7bceb5201438e4f4afe01778 x
+F test/testrunner.tcl c63207535fc86a438a1a5ffa7af497a95dd45df38ebd3fa27adf85defddad2c6 x
 F test/testrunner_data.tcl 72ffc35e17dc332af3114faecc03109a91dd5ba8ef239d1879d15b7139df46cf
 F test/testrunner_estwork.tcl 81e2ae10238f50540f42fbf2d94913052a99bfb494b69e546506323f195dcff9
 F test/thread001.test a0985c117eab62c0c65526e9fa5d1360dd1cac5b03bde223902763274ce21899
@@ -2220,8 +2220,8 @@ F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee
 F tool/warnings.sh a554d13f6e5cf3760f041b87939e3d616ec6961859c3245e8ef701d1eafc2ca2
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
 F tool/winmain.c 00c8fb88e365c9017db14c73d3c78af62194d9644feaf60e220ab0f411f3604c
-P 0fba9b52b41a5fade0d162c947712669653c4619c89a79800017703e978d8a24
-R 787be7dd912ce8812e04b649bb0889b2
+P 87f9d70d9e3fae2eda2650d9f58fd587c5f7b9cf7f7d13d47ebd11053ce63a25
+R 2cae4b63cc958fc487a5983b3073ffa6
 U drh
-Z a7d4b0cc9e94085c2ca36d2eb550ffb8
+Z 53a3653e3b89438fe0d741edc60bc9ac
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-87f9d70d9e3fae2eda2650d9f58fd587c5f7b9cf7f7d13d47ebd11053ce63a25
+ce822e8dc137128a6c495600205c6659a9cd2ba6ba188d86567ed97c04b7aeea

test/testrunner.tcl

@@ -1847,12 +1847,24 @@ proc mark_job_as_finished {jobid output state endtm} {
   }
 }
 
-# Stop scheduling new jobs
+# We want to stop running tests.  Do this in an orderly way that
+# avoids confusing Windows.  (On unix we just invoke "exit 1".)
 #
 proc orderly_shutdown {} {
+  global tcl_platform
+  if {$tcl_platform(platform) ne "windows"} {
+    # Non-Windows platform can just call exit and the OS stops everything
+    # for us automatically.
+    exit 1
+  }
+
+  # Only windows reaches this point.  Mark pending jobs as 'halt' to prevent
+  # them from being scheduled.  Let running jobs continue to completion.
+  #
   set n [trdb one {SELECT count(*) FROM jobs WHERE state='running'}]
   trdb eval {UPDATE jobs SET state='halt' WHERE state in ('ready','')}
-  if {$n>0} {
+  if {$n>1} {
+    incr n -1
     puts "Deferred shutdown: Waiting on $n running tasks to complete."
   }
 }
@@ -1913,7 +1925,6 @@ proc script_input_ready {fd iJob jobid} {
       append O($iJob) "$line\n"
     }
   }
-
 }
 
 proc dirname {ii} {