c9a70dd592
Introduce PROTECT_TRACE_INCLUDE_PATH to allow trace/hooks/mm.h to be included from a header file. When trace/hooks/mm.h is included from a header file PROTECT_TRACE_INCLUDE_PATH should be defined before the inclusion so that the existing TRACE_INCLUDE_PATH gets preserved. Bug: 236578020 Signed-off-by: Suren Baghdasaryan <surenb@google.com> Change-Id: Ia5890ba51675de41ff3ea4ab38bcb458202df5fb
33 lines
867 B
C
33 lines
867 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Include this file from a header declaring vendor hooks to preserve and later
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* restore TRACE_INCLUDE_PATH value. Typical usage:
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*
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* #ifdef PROTECT_TRACE_INCLUDE_PATH
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* #undef PROTECT_TRACE_INCLUDE_PATH
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*
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* #include <trace/hooks/save_incpath.h>
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* #include <vendor hooks header>
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* #include <trace/hooks/restore_incpath.h>
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*
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* #else
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*
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* <vendor hook definitions>
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*
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* #endif
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*
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* The header that includes vendor hooks header file should define
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* PROTECT_TRACE_INCLUDE_PATH before including the vendor hook file like this:
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*
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* #define PROTECT_TRACE_INCLUDE_PATH
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* #include <vendor hooks header>
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*/
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#ifdef STORED_TRACE_INCLUDE_PATH
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# undef TRACE_INCLUDE_PATH
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# define TRACE_INCLUDE_PATH STORED_TRACE_INCLUDE_PATH
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# undef STORED_TRACE_INCLUDE_PATH
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#else
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# undef TRACE_INCLUDE_PATH
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#endif
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