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authorunknown <heikki@hundin.mysql.fi>2002-10-03 18:10:34 +0300
committerunknown <heikki@hundin.mysql.fi>2002-10-03 18:10:34 +0300
commit28ebf117dd95c831289b7027b44e64b441bb950c (patch)
tree8f449d718d9671df3d1976acdeabf4dd8dd9c791 /innobase
parent421514ae817446bdb851476c98d1af640fe7ce1c (diff)
downloadmariadb-git-28ebf117dd95c831289b7027b44e64b441bb950c.tar.gz
os0thread.h:
Fix the probable reason why InnoDB versions after July 2, 2002 did not start properly in some Win 95/98/ME computers innobase/include/os0thread.h: Fix the probable reason why InnoDB versions after July 2, 2002 did not start properly in some Win 95/98/ME computers
Diffstat (limited to 'innobase')
-rw-r--r--innobase/include/os0thread.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/innobase/include/os0thread.h b/innobase/include/os0thread.h
index 9459750719f..8355afa46e9 100644
--- a/innobase/include/os0thread.h
+++ b/innobase/include/os0thread.h
@@ -15,7 +15,16 @@ Created 9/8/1995 Heikki Tuuri
/* Maximum number of threads which can be created in the program;
this is also the size of the wait slot array for MySQL threads which
can wait inside InnoDB */
+#ifdef __WIN__
+/* Windows 95/98/ME seemed to have difficulties creating the all
+the event semaphores for the wait array slots. If the computer had
+<= 64 MB memory, InnoDB startup could take minutes or even crash.
+That is why we set this to only 1000 in Windows. */
+
+#define OS_THREAD_MAX_N 1000
+#else
#define OS_THREAD_MAX_N 10000
+#endif
/* Possible fixed priorities for threads */
#define OS_THREAD_PRIORITY_NONE 100