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(parent: 8160bae) | patch
libbpf: return previous print callback from libbpf_set_print
authorAndrii Nakryiko <andriin@fb.com>
Sun, 28 Jul 2019 03:25:26 +0000 (20:25 -0700)
committerAlexei Starovoitov <ast@kernel.org>
Sun, 28 Jul 2019 05:36:19 +0000 (22:36 -0700)
commite87fd8bae44c3eaa6205c9c81419e773896dc157
treee503465a3c5227bc9c1872a16139c396e87801e7tree | snapshot
parent8160bae21fc29de0ec795abcd209cdd7cc144e8ecommit | diff
libbpf: return previous print callback from libbpf_set_print

By returning previously set print callback from libbpf_set_print, it's
possible to restore it, eventually. This is useful when running many
independent test with one default print function, but overriding log
verbosity for particular subset of tests.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
tools/lib/bpf/libbpf.c diff | blob | history
tools/lib/bpf/libbpf.h diff | blob | history
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