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library: expand warnings in 'warning-suppression' file

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With the addition of more '__thread' attributes in the
previous commit, additional valgrind warnings might be
encountered if developing multi-threaded applications.

So, this patch expands the libproc.supp file which was
originally introduced with the patch referenced below.

Reference(s):
commit be1ddc2756

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner 2021-10-22 00:00:00 -05:00 committed by Craig Small
parent d6e6722fd6
commit 2f293dbf74
1 changed files with 41 additions and 9 deletions
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50
Documentation/libproc.supp
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@ -9,25 +9,57 @@
# #
# When a sibling thread using this 'procps_pids' API ends, or if some # When a sibling thread using this 'procps_pids' API ends, or if some
# other thread in that address space calls 'pthread_cancel()' on such # other thread in that address space calls 'pthread_cancel()' on such
# a thread, valgrind may warn that some memory was 'definitely lost'. # a thread, valgrind will warn that some memory is 'definitely lost'.
# #
# Any such warnings are dependent on the 'pids_item' enumerators that # The majority of warnings depend on the 'pids_item' enumerators that
# have been specified using 'procps_pids_new' or 'procps_pids_reset'. # have been specified using 'procps_pids_new' or 'procps_pids_reset'.
# #
# A single-threaded application should not experience these warnings. # Single-threaded applications will not experience any such warnings.
# #
## for most of the 'definitely lost' warnings, ## always present 'definitely lost' warnings
## up to 4 blocks ranging from 1024 to 2048 bytes each # 2 blocks of 128k each
{ {
HEAP_BASED_TLS_file2str HEAP_BASED_TLS_startup
Memcheck:Leak
...
fun:openproc
}
## for most of the 'definitely lost' warnings
# up to 4 blocks ranging from 1024 to 2048 bytes each
{
HEAP_BASED_TLS_input
Memcheck:Leak Memcheck:Leak
... ...
fun:file2str fun:file2str
} }
## for the remaining 'definitely lost' warnings, ## additional potential 'definitely lost' warnings
## a block for each active lxc container, 16 bytes + sizeof name # 48 bytes for each user
{
HEAP_BASED_TLS_users
Memcheck:Leak
...
fun:pwcache_get_user
}
# 48 bytes for each group
{
HEAP_BASED_TLS_groups
Memcheck:Leak
...
fun:pwcache_get_group
}
# 40 bytes for each tty
{
HEAP_BASED_TLS_terminals
Memcheck:Leak
...
fun:dev_to_tty
}
## remaining potential 'definitely lost' warnings
# 16 bytes + sizeof name for each lxc container
{ {
HEAP_BASED_TLS_lxc HEAP_BASED_TLS_lxc
Memcheck:Leak Memcheck:Leak
@ -36,7 +68,7 @@
} }
## in case an installed library has been stripped, ## in case an installed library has been stripped,
## this embraces both of the above warning categories ## this will embrace all of the above warning categories
{ {
HEAP_BASED_TLS_library HEAP_BASED_TLS_library
Memcheck:Leak Memcheck:Leak