2f293dbf74
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>
79 lines
1.9 KiB
Plaintext
79 lines
1.9 KiB
Plaintext
#
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# This is a warning-suppression file for valgrind supplied by libproc
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# to be used with the option: --suppressions=<path-for>/libproc.supp.
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#
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# Memory leak warnings will only be encountered when a multi-threaded
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# program has used the 'procps_pids' interface. That is because this
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# library employs heap based memory in a thread safe manner. However,
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# such memory will not be freed until the address space is reclaimed.
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#
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# When a sibling thread using this 'procps_pids' API ends, or if some
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# other thread in that address space calls 'pthread_cancel()' on such
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# a thread, valgrind will warn that some memory is 'definitely lost'.
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#
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# The majority of warnings depend on the 'pids_item' enumerators that
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# have been specified using 'procps_pids_new' or 'procps_pids_reset'.
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#
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# Single-threaded applications will not experience any such warnings.
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#
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## always present 'definitely lost' warnings
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# 2 blocks of 128k each
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{
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HEAP_BASED_TLS_startup
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Memcheck:Leak
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...
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fun:openproc
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}
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## for most of the 'definitely lost' warnings
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# up to 4 blocks ranging from 1024 to 2048 bytes each
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{
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HEAP_BASED_TLS_input
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Memcheck:Leak
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...
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fun:file2str
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}
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## additional potential 'definitely lost' warnings
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# 48 bytes for each user
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{
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HEAP_BASED_TLS_users
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Memcheck:Leak
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...
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fun:pwcache_get_user
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}
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# 48 bytes for each group
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{
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HEAP_BASED_TLS_groups
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Memcheck:Leak
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...
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fun:pwcache_get_group
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}
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# 40 bytes for each tty
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{
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HEAP_BASED_TLS_terminals
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Memcheck:Leak
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...
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fun:dev_to_tty
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}
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## remaining potential 'definitely lost' warnings
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# 16 bytes + sizeof name for each lxc container
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{
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HEAP_BASED_TLS_lxc
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Memcheck:Leak
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...
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fun:lxc_containers
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}
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## in case an installed library has been stripped,
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## this will embrace all of the above warning categories
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{
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HEAP_BASED_TLS_library
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Memcheck:Leak
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...
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obj:/usr/*lib*/libproc*
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obj:/usr/local/*lib*/libproc*
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}
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