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https://gitlab.uni-freiburg.de/opensourcevdi/spice-common
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b843d02a1b
The "##" before __VA_ARGS__ is a GCC extension. Try to limit its usage where necessary. Signed-off-by: Frediano Ziglio <freddy77@gmail.com> Acked-by: Uri Lublin <uril@redhat.com>
107 lines
3.2 KiB
C
107 lines
3.2 KiB
C
/*
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Copyright (C) 2018 Red Hat, Inc.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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/* This file include recorder library headers or if disabled provide
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* replacement declarations */
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#ifdef ENABLE_RECORDER
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#include <common/recorder/recorder.h>
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#elif defined(ENABLE_AGENT_INTERFACE)
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#include <common/agent_interface.h>
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#else
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#include <stdio.h>
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#include <stdint.h>
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#include <spice/macros.h>
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/* Replacement declarations.
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* There declarations should generate no code (beside when no optimization are
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* selected) but catch some possible programming warnings/errors at
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* compile/link time like:
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* - usage of undeclared recorders;
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* - recording formats and arguments;
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* - matching RECORD_TIMING_BEGIN and RECORD_TIMING_END.
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* The only exceptions are tweaks which just generate a variable to hold the
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* value.
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*/
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typedef struct SpiceEmptyStruct {
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char dummy[0];
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} SpiceEmptyStruct;
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typedef struct SpiceDummyTweak {
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intptr_t tweak_value;
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} SpiceDummyTweak;
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#define RECORDER_DECLARE(rec) \
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extern const SpiceEmptyStruct spice_recorder_ ## rec
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#define RECORDER(rec, num_rings, comment) \
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RECORDER_DEFINE(rec, num_rings, comment)
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#define RECORDER_DEFINE(rec, num_rings, comment) \
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const SpiceEmptyStruct SPICE_GNUC_UNUSED spice_recorder_ ## rec = {}
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#define RECORDER_TRACE(rec) \
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(sizeof(spice_recorder_ ## rec) != sizeof(SpiceEmptyStruct))
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#define RECORDER_TWEAK_DECLARE(rec) \
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extern const SpiceDummyTweak spice_recorder_tweak_ ## rec
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#define RECORDER_TWEAK_DEFINE(rec, value, comment) \
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const SpiceDummyTweak spice_recorder_tweak_ ## rec = { (value) }
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#define RECORDER_TWEAK(rec) \
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((spice_recorder_tweak_ ## rec).tweak_value)
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#define RECORD(rec, ...) do { \
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if (sizeof((spice_recorder_ ## rec).dummy)) printf(__VA_ARGS__); \
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} while(0)
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#define RECORD_TIMING_BEGIN(rec) \
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do { RECORD(rec, "begin");
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#define RECORD_TIMING_END(rec, op, name, value) \
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RECORD(rec, "end" op name); \
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} while(0)
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#define record(...) \
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RECORD(__VA_ARGS__)
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static inline void
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recorder_dump_on_common_signals(unsigned add, unsigned remove)
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{
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}
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#endif
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#if !defined(ENABLE_AGENT_INTERFACE)
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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/* Stubs for Agent-Interface specific definitions */
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static inline void
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agent_interface_start(unsigned int port)
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{
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}
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typedef void (*forward_quality_cb_t)(void *, const char *);
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static inline void
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agent_interface_set_forward_quality_cb(forward_quality_cb_t cb, void *data)
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{
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}
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typedef int (*on_connect_cb_t)(void *);
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static inline void
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agent_interface_set_on_connect_cb(on_connect_cb_t cb, void *data)
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{
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}
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#ifdef __cplusplus
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}
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#endif // __cplusplus
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#endif
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