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https://gitlab.uni-freiburg.de/opensourcevdi/spice
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65b60250d0
This is a generic function not tied to the red_xxx functionality and the new name clarifies that it returns the time in nanoseconds (unlike g_get_monotonic_time()). Signed-off-by: Francois Gouget <fgouget@codeweavers.com> Acked-by: Frediano Ziglio <fziglio@redhat.com>
66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/*
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Copyright (C) 2009-2015 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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#ifndef UTILS_H_
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# define UTILS_H_
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#include "red-common.h"
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#define SPICE_GNUC_VISIBLE __attribute__ ((visibility ("default")))
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static inline void set_bit(int index, uint32_t *addr)
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{
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uint32_t mask = 1 << index;
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__sync_or_and_fetch(addr, mask);
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}
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static inline void clear_bit(int index, uint32_t *addr)
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{
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uint32_t mask = ~(1 << index);
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__sync_and_and_fetch(addr, mask);
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}
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static inline int test_bit(int index, uint32_t val)
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{
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return val & (1u << index);
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}
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/* a generic safe for loop macro */
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#define SAFE_FOREACH(link, next, cond, ring, data, get_data) \
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for ((((link) = ((cond) ? ring_get_head(ring) : NULL)), \
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((next) = ((link) ? ring_next((ring), (link)) : NULL)), \
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((data) = ((link)? (get_data) : NULL))); \
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(link); \
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(((link) = (next)), \
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((next) = ((link) ? ring_next((ring), (link)) : NULL)), \
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((data) = ((link)? (get_data) : NULL))))
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typedef int64_t red_time_t;
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/* FIXME: consider g_get_monotonic_time (), but in microseconds */
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static inline red_time_t spice_get_monotonic_time_ns(void)
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{
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struct timespec time;
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clock_gettime(CLOCK_MONOTONIC, &time);
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return (red_time_t) time.tv_sec * (1000 * 1000 * 1000) + time.tv_nsec;
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}
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int rgb32_data_has_alpha(int width, int height, size_t stride,
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uint8_t *data, int *all_set_out);
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#endif /* UTILS_H_ */
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