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#
# This is a warning-suppression file for valgrind supplied by libproc
# to be used with the option: --suppressions=<path-for>/libproc.supp.
#
# Memory leak warnings will only be encountered when a multi-threaded
# program has called the 'procps_pids' interface. That's because this
# library employs heap based memory in a thread safe manner. However,
# such memory will not be freed until the address space is reclaimed.
#
# When a sibling thread using this 'procps_pids' API ends, or if some
# other thread in that address space calls 'pthread_cancel()' on such
# a thread, valgrind will warn that some memory is 'definitely lost'.
#
# The majority of warnings depend on the 'pids_item' enumerators that
# have been specified using 'procps_pids_new' or 'procps_pids_reset'.
#
# Single-threaded applications will not experience any such warnings.
#
## always present 'definitely lost' warnings
# 2 blocks of 128k each
{
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
...
fun:file2str
}
## additional potential 'definitely lost' warnings
# 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
Memcheck:Leak
...
fun:lxc_containers
}
## in case an installed library has been stripped,
## this will embrace all of the above warning categories
{
HEAP_BASED_TLS_library
Memcheck:Leak
...
obj:/usr/*lib*/libproc*
obj:/usr/local/*lib*/libproc*
}
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