Merge branch '5.5' into bb-10.0

1 files changed, 18 insertions, 79 deletions

diff --git a/mysql-test/valgrind.supp b/mysql-test/valgrind.supp
index d83bb1d206c..723b609de8f 100644
--- a/mysql-test/valgrind.supp
+++ b/mysql-test/valgrind.supp
@@ -19,36 +19,6 @@
 # Suppress some common (not fatal) errors in system libraries found by valgrind
 #
 
-#
-# Pthread doesn't free all thread specific memory before program exists
-#
-{
-   pthread allocate_tls memory loss
-   Memcheck:Leak
-   fun:calloc
-   fun:_dl_allocate_tls
-   fun:allocate_stack
-   fun:pthread_create*
-}
-
-{
-   pthread allocate_tls memory loss
-   Memcheck:Leak
-   fun:calloc
-   fun:_dl_allocate_tls
-   fun:pthread_create*
-
-}
-
-{
-   pthread allocate_tls memory loss
-   Memcheck:Leak
-   fun:calloc
-   obj:/lib*/ld*.so
-   fun:_dl_allocate_tls
-   fun:pthread_create*
-}
-
 {
    pthead_exit memory loss 1
    Memcheck:Leak
@@ -90,43 +60,6 @@
 }
 
 {
-   pthread allocate_dtv memory loss
-   Memcheck:Leak
-   fun:calloc
-   fun:allocate_dtv
-   fun:_dl_allocate_tls_storage
-   fun:__GI__dl_allocate_tls
-   fun:pthread_create
-}
-
-{
-   pthread allocate_dtv memory loss second
-   Memcheck:Leak
-   fun:calloc
-   fun:allocate_dtv
-   fun:_dl_allocate_tls
-   fun:pthread_create*
-}
-
-{
-   pthread memalign memory loss
-   Memcheck:Leak
-   fun:memalign
-   fun:_dl_allocate_tls_storage
-   fun:__GI__dl_allocate_tls
-   fun:pthread_create
-}
-
-{
-   pthread memalign memory loss2
-   Memcheck:Leak
-   fun:memalign
-   fun:tls_get_addr_tail
-   ...
-   fun:*ha_initialize_handlerton*
-}
-
-{
    pthread pthread_key_create
    Memcheck:Leak
    fun:malloc
@@ -1012,18 +945,6 @@
    fun:nptl_pthread_exit_hack_handler
 }
 
-#
-# Pthread doesn't free all thread specific memory before program exists
-#
-{
-   pthread allocate_tls memory loss in 2.6.1.
-   Memcheck:Leak 
-   fun:calloc
-   obj:*/ld-*.so
-   fun:_dl_allocate_tls
-   fun:pthread_create*
-}
-
 {
    memory "leak" in backtrace() of glibc 2.9 (not present in 2.13)
    Memcheck:Leak
@@ -1176,6 +1097,23 @@
    fun:gethostbyaddr_r
 }
 
+#
+# Detached threads may not complete deiniitialization by the time shutdown
+# thread calls exit. This is unfortunate property of detached threads, which
+# we currently can only ignore. Unfortunately there is no way to distinguish
+# between false positives generated by detached threads and real memory leaks
+# generated by not joined joinable threads. So we hide both cases.
+#
+# To avoid enumeration of the whole variety of possible traces we ignore all
+# "possibly lost" blocks allocated by pthread_create (and it's callees).
+#
+{
+   Detached threads memory loss
+   Memcheck:Leak
+   match-leak-kinds:possible
+   ...
+   fun:pthread_create*
+}
 
 {
   ConnectSE: unixODBC SQLAllocEnv leaves some "still reachable" pointers
@@ -1289,3 +1227,4 @@
   fun:_dlerror_run
   fun:dlopen@@GLIBC_2.2.5
 }
+