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[all] moved time and locking methods to the common library

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This commit is contained in:
Geoffrey McRae 2020-01-17 14:35:08 +11:00
parent 278d851c7c
commit 4746c89227
13 changed files with 55 additions and 95 deletions
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2
VERSION
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@ -1 +1 @@
B1-97-g406e22a681+1
B1-98-g278d851c7c+1

74
client/include/utils.h
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@ -19,81 +19,9 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#pragma once
#include <time.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdbool.h>
static inline uint64_t microtime()
{
struct timespec time;
clock_gettime(CLOCK_MONOTONIC_RAW, &time);
return ((uint64_t)time.tv_sec * 1000000) + (time.tv_nsec / 1000);
}
static inline uint64_t nanotime()
{
struct timespec time;
clock_gettime(CLOCK_MONOTONIC_RAW, &time);
return ((uint64_t)time.tv_sec * 1e9) + time.tv_nsec;
}
static inline void nsleep(uint64_t ns)
{
const struct timespec ts =
{
.tv_sec = ns / 1e9,
.tv_nsec = ns - ((ns / 1e9) * 1e9)
};
nanosleep(&ts, NULL);
}
#ifdef ATOMIC_LOCKING
#define LG_LOCK_MODE "Atomic"
typedef volatile int LG_Lock;
#define LG_LOCK_INIT(x) (x) = 0
#define LG_LOCK(x) while(__sync_lock_test_and_set(&(x), 1)) {nsleep(100);}
#define LG_UNLOCK(x) __sync_lock_release(&x)
#define LG_LOCK_FREE(x)
#else
#include <SDL2/SDL.h>
#define LG_LOCK_MODE "Mutex"
typedef SDL_mutex * LG_Lock;
#define LG_LOCK_INIT(x) (x = SDL_CreateMutex())
#define LG_LOCK(x) SDL_LockMutex(x)
#define LG_UNLOCK(x) SDL_UnlockMutex(x)
#define LG_LOCK_FREE(x) SDL_DestroyMutex(x)
#endif
static inline uint32_t get_bit(const uint8_t * const base, size_t * const offset)
{
uint32_t out = ((*(base + (*offset >> 0x3))) >> (0x7 - (*offset & 0x7))) & 0x1;
++*offset;
return out;
}
static inline uint32_t get_bits(const uint8_t * const base, size_t * const offset, const uint8_t bits)
{
uint32_t value = 0;
for (int i = 0; i < bits; ++i)
value |= (get_bit(base, offset) ? 1 : 0) << (bits - i - 1);
return value;
}
static inline uint32_t decode_u_golomb(const uint8_t * const base, size_t * const offset)
{
uint32_t i = 0;
while(get_bit(base, offset) == 0)
++i;
return ((1 << i) - 1 + get_bits(base, offset, i));
}
static inline int32_t decode_s_golomb(const uint8_t * const base, size_t * const offset)
{
const uint32_t g = decode_u_golomb(base, offset);
return (g & 0x1) ? (g + 1) / 2 : -(g / 2);
}
// reads the specified file into a new buffer
// the callee must free the buffer
bool file_get_contents(const char * filename, char ** buffer, size_t * length);

2
client/renderers/EGL/alert.c
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@ -19,7 +19,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include "alert.h"
#include "common/debug.h"
#include "utils.h"
#include "common/locking.h"
#include "texture.h"
#include "shader.h"

2
client/renderers/EGL/cursor.c
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@ -19,7 +19,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include "cursor.h"
#include "common/debug.h"
#include "utils.h"
#include "common/locking.h"
#include "texture.h"
#include "shader.h"

2
client/renderers/EGL/desktop.c
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@ -20,7 +20,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include "desktop.h"
#include "common/debug.h"
#include "common/option.h"
#include "utils.h"
#include "common/locking.h"
#include "texture.h"
#include "shader.h"

1
client/renderers/EGL/egl.c
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@ -22,6 +22,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include "common/debug.h"
#include "common/option.h"
#include "common/sysinfo.h"
#include "common/time.h"
#include "utils.h"
#include "dynamic/fonts.h"

2
client/renderers/OpenGL/opengl.c
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@ -33,7 +33,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include "common/debug.h"
#include "common/option.h"
#include "common/framebuffer.h"
#include "utils.h"
#include "common/locking.h"
#include "dynamic/fonts.h"
#include "ll.h"

2
client/spice/src/spice.c
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@ -18,8 +18,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "spice/spice.h"
#include "utils.h"
#include "common/debug.h"
#include "common/locking.h"
#include <string.h>
#include <unistd.h>

2
client/src/ll.c
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@ -19,7 +19,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include "ll.h"
#include "utils.h"
#include "common/locking.h"
#include <stdlib.h>
#include <assert.h>

5
client/src/main.c
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@ -45,6 +45,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include "common/KVMFR.h"
#include "common/stringutils.h"
#include "common/thread.h"
#include "common/locking.h"
#include "common/event.h"
#include "common/ivshmem.h"
#include "common/time.h"
@ -112,7 +113,7 @@ static void updatePositionInfo()
if (force && params.forceAspect)
{
state.resizeTimeout = getMicrotime() + RESIZE_TIMEOUT;
state.resizeTimeout = microtime() + RESIZE_TIMEOUT;
state.resizeDone = false;
}
}
@ -219,7 +220,7 @@ static int renderThread(void * unused)
clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &time, NULL);
if (!state.resizeDone && state.resizeTimeout < getMicrotime())
if (!state.resizeDone && state.resizeTimeout < microtime())
{
SDL_SetWindowSize(
state.window,

9
common/include/common/locking.h
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@ -18,6 +18,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*/
#pragma once
#include "time.h"
#define INTERLOCKED_AND8 __sync_fetch_and_and
#define INTERLOCKED_OR8 __sync_fetch_and_or
#define INTERLOCKED_INC(x) __sync_fetch_and_add((x), 1)
@ -35,3 +37,10 @@ Place, Suite 330, Boston, MA 02111-1307 USA
while(__sync_lock_test_and_set(&(lock), 1)) while((lock)); \
x\
__sync_lock_release(&(lock));
#define LG_LOCK_MODE "Atomic"
typedef volatile int LG_Lock;
#define LG_LOCK_INIT(x) (x) = 0
#define LG_LOCK(x) while(__sync_lock_test_and_set(&(x), 1)) {nsleep(100);}
#define LG_UNLOCK(x) __sync_lock_release(&x)
#define LG_LOCK_FREE(x)

23
common/include/common/time.h
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@ -25,9 +25,10 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include <windows.h>
#else
#include <time.h>
#include <stdint.h>
#endif
static inline uint64_t getMicrotime()
static inline uint64_t microtime()
{
#if defined(_WIN32)
static LARGE_INTEGER freq = { 0 };
@ -43,3 +44,23 @@ static inline uint64_t getMicrotime()
return (uint64_t)time.tv_sec * 1000000LL + time.tv_nsec / 1000LL;
#endif
}
#if !defined(_WIN32)
//FIXME: make win32 versions
static inline uint64_t nanotime()
{
struct timespec time;
clock_gettime(CLOCK_MONOTONIC_RAW, &time);
return ((uint64_t)time.tv_sec * 1e9) + time.tv_nsec;
}
static inline void nsleep(uint64_t ns)
{
const struct timespec ts =
{
.tv_sec = ns / 1e9,
.tv_nsec = ns - ((ns / 1e9) * 1e9)
};
nanosleep(&ts, NULL);
}
#endif

4
common/src/platform/windows/event.c
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@ -116,11 +116,11 @@ bool lgWaitEvent(LGEvent * event, unsigned int timeout)
}
}
uint64_t now = getMicrotime();
uint64_t now = microtime();
uint64_t end = now + spinTime * 1000;
while(!event->signaled)
{
now = getMicrotime();
now = microtime();
if (now >= end)
break;
}