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/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
Copyright (C) 2009-2015 Red Hat, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UTILS_H_
#define UTILS_H_
#include <stdint.h>
#include <glib.h>
#include <spice/macros.h>
SPICE_BEGIN_DECLS
#define SPICE_GNUC_VISIBLE __attribute__ ((visibility ("default")))
static inline void set_bit(int index, uint32_t *addr)
{
uint32_t mask = 1 << index;
__sync_or_and_fetch(addr, mask);
}
static inline void clear_bit(int index, uint32_t *addr)
{
uint32_t mask = ~(1 << index);
__sync_and_and_fetch(addr, mask);
}
static inline int test_bit(int index, uint32_t val)
{
return val & (1u << index);
}
/* a generic safe for loop macro */
#define SAFE_FOREACH(link, next, cond, ring, data, get_data) \
for ((((link) = ((cond) ? ring_get_head(ring) : NULL)), \
((next) = ((link) ? ring_next((ring), (link)) : NULL)), \
((data) = ((link)? (get_data) : NULL))); \
(link); \
(((link) = (next)), \
((next) = ((link) ? ring_next((ring), (link)) : NULL)), \
((data) = ((link)? (get_data) : NULL))))
typedef int64_t red_time_t;
#define NSEC_PER_SEC INT64_C(1000000000)
#define NSEC_PER_MILLISEC INT64_C(1000000)
#define NSEC_PER_MICROSEC INT64_C(1000)
/* g_get_monotonic_time() does not have enough precision */
static inline red_time_t spice_get_monotonic_time_ns(void)
{
struct timespec time;
clock_gettime(CLOCK_MONOTONIC, &time);
return NSEC_PER_SEC * time.tv_sec + time.tv_nsec;
}
#define MSEC_PER_SEC 1000
int rgb32_data_has_alpha(int width, int height, size_t stride,
const uint8_t *data, int *all_set_out);
const char *red_channel_type_to_str(int type);
int red_channel_name_to_type(const char *name);
void red_dump_openssl_errors(void);
static inline int64_t i64abs(int64_t value)
{
return (value >= 0) ? value : -value;
}
SPICE_END_DECLS
#endif /* UTILS_H_ */
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