os/os_process.c \
os/os_process.h \
os/os_thread.h \
- os/os_time.c \
- os/os_time.h \
pipebuffer/pb_buffer_fenced.c \
pipebuffer/pb_buffer_fenced.h \
pipebuffer/pb_buffer.h \
#include "util/u_debug.h"
#include "util/u_memory.h"
#include "util/simple_list.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "lp_bld.h"
#include "lp_bld_debug.h"
#include "lp_bld_misc.h"
*/
#include "hud/hud_private.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "os/os_thread.h"
#include "util/u_memory.h"
#include "util/u_queue.h"
#include "hud/hud_private.h"
#include "util/list.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "os/os_thread.h"
#include "util/u_memory.h"
#include <stdio.h>
#include "hud/hud_private.h"
#include "util/list.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "os/os_thread.h"
#include "util/u_memory.h"
#include <stdio.h>
#include "hud/hud_private.h"
#include "pipe/p_screen.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include <stdio.h>
*/
#include "hud/hud_private.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "util/u_memory.h"
struct fps_info {
#include "hud/hud_private.h"
#include "util/list.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "os/os_thread.h"
#include "util/u_memory.h"
#include <stdio.h>
#include "hud/hud_private.h"
#include "util/list.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "os/os_thread.h"
#include "util/u_memory.h"
#include <stdio.h>
'os/os_process.c',
'os/os_process.h',
'os/os_thread.h',
- 'os/os_time.c',
- 'os/os_time.h',
'pipebuffer/pb_buffer_fenced.c',
'pipebuffer/pb_buffer_fenced.h',
'pipebuffer/pb_buffer.h',
+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2008-2010 VMware, Inc.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-/**
- * @file
- * OS independent time-manipulation functions.
- *
- * @author Jose Fonseca <jfonseca@vmware.com>
- */
-
-
-#include "pipe/p_defines.h"
-#include "util/u_atomic.h"
-
-#if defined(PIPE_OS_UNIX)
-# include <time.h> /* timeval */
-# include <sys/time.h> /* timeval */
-# include <sched.h> /* sched_yield */
-# include <errno.h>
-#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
-# include <windows.h>
-#else
-# error Unsupported OS
-#endif
-
-#include "os_time.h"
-
-
-int64_t
-os_time_get_nano(void)
-{
-#if defined(PIPE_OS_LINUX)
-
- struct timespec tv;
- clock_gettime(CLOCK_MONOTONIC, &tv);
- return tv.tv_nsec + tv.tv_sec*INT64_C(1000000000);
-
-#elif defined(PIPE_OS_UNIX)
-
- struct timeval tv;
- gettimeofday(&tv, NULL);
- return tv.tv_usec*INT64_C(1000) + tv.tv_sec*INT64_C(1000000000);
-
-#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
-
- static LARGE_INTEGER frequency;
- LARGE_INTEGER counter;
- int64_t secs, nanosecs;
- if(!frequency.QuadPart)
- QueryPerformanceFrequency(&frequency);
- QueryPerformanceCounter(&counter);
- /* Compute seconds and nanoseconds parts separately to
- * reduce severity of precision loss.
- */
- secs = counter.QuadPart / frequency.QuadPart;
- nanosecs = (counter.QuadPart % frequency.QuadPart) * INT64_C(1000000000)
- / frequency.QuadPart;
- return secs*INT64_C(1000000000) + nanosecs;
-
-#else
-
-#error Unsupported OS
-
-#endif
-}
-
-
-
-void
-os_time_sleep(int64_t usecs)
-{
-#if defined(PIPE_OS_LINUX)
- struct timespec time;
- time.tv_sec = usecs / 1000000;
- time.tv_nsec = (usecs % 1000000) * 1000;
- while (clock_nanosleep(CLOCK_MONOTONIC, 0, &time, &time) == EINTR);
-
-#elif defined(PIPE_OS_UNIX)
- usleep(usecs);
-
-#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
- DWORD dwMilliseconds = (DWORD) ((usecs + 999) / 1000);
- /* Avoid Sleep(O) as that would cause to sleep for an undetermined duration */
- if (dwMilliseconds) {
- Sleep(dwMilliseconds);
- }
-#else
-# error Unsupported OS
-#endif
-}
-
-
-
-int64_t
-os_time_get_absolute_timeout(uint64_t timeout)
-{
- int64_t time, abs_timeout;
-
- /* Also check for the type upper bound. */
- if (timeout == PIPE_TIMEOUT_INFINITE || timeout > INT64_MAX)
- return PIPE_TIMEOUT_INFINITE;
-
- time = os_time_get_nano();
- abs_timeout = time + (int64_t)timeout;
-
- /* Check for overflow. */
- if (abs_timeout < time)
- return PIPE_TIMEOUT_INFINITE;
-
- return abs_timeout;
-}
-
-
-bool
-os_wait_until_zero(volatile int *var, uint64_t timeout)
-{
- if (!p_atomic_read(var))
- return true;
-
- if (!timeout)
- return false;
-
- if (timeout == PIPE_TIMEOUT_INFINITE) {
- while (p_atomic_read(var)) {
-#if defined(PIPE_OS_UNIX)
- sched_yield();
-#endif
- }
- return true;
- }
- else {
- int64_t start_time = os_time_get_nano();
- int64_t end_time = start_time + timeout;
-
- while (p_atomic_read(var)) {
- if (os_time_timeout(start_time, end_time, os_time_get_nano()))
- return false;
-
-#if defined(PIPE_OS_UNIX)
- sched_yield();
-#endif
- }
- return true;
- }
-}
-
-
-bool
-os_wait_until_zero_abs_timeout(volatile int *var, int64_t timeout)
-{
- if (!p_atomic_read(var))
- return true;
-
- if (timeout == PIPE_TIMEOUT_INFINITE)
- return os_wait_until_zero(var, PIPE_TIMEOUT_INFINITE);
-
- while (p_atomic_read(var)) {
- if (os_time_get_nano() >= timeout)
- return false;
-
-#if defined(PIPE_OS_UNIX)
- sched_yield();
-#endif
- }
- return true;
-}
+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2008-2010 VMware, Inc.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-/**
- * @file
- * OS independent time-manipulation functions.
- *
- * @author Jose Fonseca <jfonseca@vmware.com>
- */
-
-#ifndef _OS_TIME_H_
-#define _OS_TIME_H_
-
-
-#include "pipe/p_config.h"
-
-#if defined(PIPE_OS_UNIX)
-# include <unistd.h> /* usleep */
-#endif
-
-#include "pipe/p_compiler.h"
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-/*
- * Get the current time in nanoseconds from an unknown base.
- */
-int64_t
-os_time_get_nano(void);
-
-
-/*
- * Get the current time in microseconds from an unknown base.
- */
-static inline int64_t
-os_time_get(void)
-{
- return os_time_get_nano() / 1000;
-}
-
-
-/*
- * Sleep.
- */
-void
-os_time_sleep(int64_t usecs);
-
-
-/*
- * Helper function for detecting time outs, taking in account overflow.
- *
- * Returns true if the current time has elapsed beyond the specified interval.
- */
-static inline boolean
-os_time_timeout(int64_t start,
- int64_t end,
- int64_t curr)
-{
- if (start <= end)
- return !(start <= curr && curr < end);
- else
- return !((start <= curr) || (curr < end));
-}
-
-
-/**
- * Convert a relative timeout in nanoseconds into an absolute timeout,
- * in other words, it returns current time + timeout.
- * os_time_get_nano() must be monotonic.
- * PIPE_TIMEOUT_INFINITE is passed through unchanged. If the calculation
- * overflows, PIPE_TIMEOUT_INFINITE is returned.
- */
-int64_t
-os_time_get_absolute_timeout(uint64_t timeout);
-
-
-/**
- * Wait until the variable at the given memory location is zero.
- *
- * \param var variable
- * \param timeout timeout in ns, can be anything from 0 (no wait) to
- * PIPE_TIME_INFINITE (wait forever)
- * \return true if the variable is zero
- */
-bool
-os_wait_until_zero(volatile int *var, uint64_t timeout);
-
-
-/**
- * Wait until the variable at the given memory location is zero.
- * The timeout is the absolute time when the waiting should stop. If it is
- * less than or equal to the current time, it only returns the status and
- * doesn't wait. PIPE_TIME_INFINITE waits forever. This requires that
- * os_time_get_nano is monotonic.
- *
- * \param var variable
- * \param timeout the time in ns when the waiting should stop
- * \return true if the variable is zero
- */
-bool
-os_wait_until_zero_abs_timeout(volatile int *var, int64_t timeout);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _OS_TIME_H_ */
#include "pipe/p_config.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "pipe/p_compiler.h"
#include "util/u_memory.h"
#include "tgsi/tgsi_parse.h"
#include "tgsi/tgsi_scan.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include <inttypes.h>
* Christian Gmeiner <christian.gmeiner@gmail.com>
*/
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "pipe/p_state.h"
#include "util/u_memory.h"
#include "util/u_string.h"
#include "etnaviv_resource.h"
#include "etnaviv_translate.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include "util/u_string.h"
#include "util/u_string.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "freedreno_query_sw.h"
#include "freedreno_context.h"
#include "util/u_string.h"
#include "util/u_debug.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include <stdio.h>
#include <errno.h>
#include "draw/draw_context.h"
#include "pipe/p_defines.h"
#include "util/u_memory.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "lp_context.h"
#include "lp_flush.h"
#include "lp_fence.h"
#include "util/u_string.h"
#include "util/u_thread.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "lp_scene_queue.h"
#include "lp_context.h"
#include "gallivm/lp_bld_type.h"
#include "os/os_misc.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "lp_texture.h"
#include "lp_fence.h"
#include "lp_jit.h"
#include "util/u_pack_color.h"
#include "util/u_viewport.h"
#include "draw/draw_pipe.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "lp_context.h"
#include "lp_memory.h"
#include "lp_scene.h"
#include "util/u_string.h"
#include "util/simple_list.h"
#include "util/u_dual_blend.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "pipe/p_shader_tokens.h"
#include "draw/draw_context.h"
#include "tgsi/tgsi_dump.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include "util/simple_list.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "gallivm/lp_bld_arit.h"
#include "gallivm/lp_bld_bitarit.h"
#include "gallivm/lp_bld_const.h"
#include "nouveau_screen.h"
#include "nouveau_winsys.h"
#include "nouveau_fence.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#ifdef PIPE_OS_UNIX
#include <sched.h>
#include "util/u_format_s3tc.h"
#include "util/u_string.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include <stdio.h>
#include <errno.h>
#include "util/u_sampler.h"
#include "util/simple_list.h"
#include "util/u_upload_mgr.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "vl/vl_decoder.h"
#include "vl/vl_video_buffer.h"
#include "util/simple_list.h"
#include "util/u_upload_mgr.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "r300_context.h"
#include "r300_cs.h"
#include "util/u_format.h"
#include "util/u_format_s3tc.h"
#include "util/u_memory.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "vl/vl_decoder.h"
#include "vl/vl_video_buffer.h"
#include "r600_pipe_common.h"
#include "r600_query.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
/* For good accuracy at 1000 fps or lower. This will be inaccurate for higher
* fps (there are too few samples per frame). */
#include "vl/vl_video_buffer.h"
#include "radeon_video.h"
#include "radeon_uvd.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
static const struct debug_named_value r600_debug_options[] = {
/* features */
#include "util/u_memory.h"
#include "util/u_format_s3tc.h"
#include "util/u_upload_mgr.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "vl/vl_decoder.h"
#include "vl/vl_video_buffer.h"
#include "radeon_video.h"
#include "r600_cs.h"
#include "util/u_memory.h"
#include "util/u_upload_mgr.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "tgsi/tgsi_text.h"
#define R600_MAX_STREAMS 4
#include "util/u_memory.h"
#include "util/u_pack_color.h"
#include "util/u_surface.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include <errno.h>
#include <inttypes.h>
#define SB_RA_SCHED_CHECK DEBUG
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "r600_pipe.h"
#include "r600_shader.h"
#include "r600_pipe_common.h"
#include "r600_query.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
/* For good accuracy at 1000 fps or lower. This will be inaccurate for higher
* fps (there are too few samples per frame). */
#include "util/u_memory.h"
#include "util/u_format_s3tc.h"
#include "util/u_upload_mgr.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "vl/vl_decoder.h"
#include "vl/vl_video_buffer.h"
#include "radeon/radeon_video.h"
#include "r600_cs.h"
#include "util/u_memory.h"
#include "util/u_upload_mgr.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "tgsi/tgsi_text.h"
#include "amd/common/sid.h"
#include "util/u_memory.h"
#include "util/u_pack_color.h"
#include "util/u_surface.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include <errno.h>
#include <inttypes.h>
#include "state_tracker/drm_driver.h"
#include "util/u_memory.h"
#include "util/simple_list.h"
#include "util/u_network.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "tgsi/tgsi_parse.h"
*/
#include "draw/draw_context.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "pipe/p_defines.h"
#include "util/u_memory.h"
#include "sp_context.h"
#include "util/u_format_s3tc.h"
#include "util/u_video.h"
#include "os/os_misc.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "pipe/p_defines.h"
#include "pipe/p_screen.h"
#include "draw/draw_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_state.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "util/u_blitter.h"
#include "util/list.h"
#include "pipe/p_screen.h"
#include "util/u_memory.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "swr_context.h"
#include "swr_screen.h"
#include "pipe/p_defines.h"
#include "util/u_memory.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "swr_context.h"
#include "swr_fence.h"
#include "swr_query.h"
#include "pipe/p_compiler.h"
#include "os/os_thread.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "util/u_debug.h"
#include "util/u_memory.h"
#include "util/u_string.h"
#include "util/u_format.h"
#include "util/u_format_s3tc.h"
#include "util/u_video.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "pipe/p_defines.h"
#include "pipe/p_screen.h"
#include "pipe/p_screen.h"
#include "util/u_memory.h"
#include "hud/hud_context.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "state_tracker/st_api.h"
#include "stw_icd.h"
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "util/u_atomic.h"
#include "util/u_thread.h"
#include "amdgpu_cs.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "state_tracker/drm_driver.h"
#include <amdgpu_drm.h>
#include <xf86drm.h>
*/
#include "amdgpu_cs.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
+#include <inttypes.h>
#include <stdio.h>
#include "amd/common/sid.h"
#include "util/simple_list.h"
#include "os/os_thread.h"
#include "os/os_mman.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "state_tracker/drm_driver.h"
#include "radeon_drm_cs.h"
#include "util/u_memory.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include "os/os_mman.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "util/u_memory.h"
#include "util/u_format.h"
#include "util/u_hash_table.h"
#include "util/u_memory.h"
#include "util/u_format.h"
#include "util/u_inlines.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "state_tracker/sw_winsys.h"
#include "virgl_vtest_winsys.h"
macros.h \
mesa-sha1.c \
mesa-sha1.h \
+ os_time.c \
+ os_time.h \
sha1/sha1.c \
sha1/sha1.h \
ralloc.c \
'macros.h',
'mesa-sha1.c',
'mesa-sha1.h',
+ 'os_time.c',
+ 'os_time.h',
'sha1/sha1.c',
'sha1/sha1.h',
'ralloc.c',
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2008-2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * OS independent time-manipulation functions.
+ *
+ * @author Jose Fonseca <jfonseca@vmware.com>
+ */
+
+#include "os_time.h"
+
+/* TODO: fix this dependency */
+#include "gallium/include/pipe/p_config.h"
+
+#include "util/u_atomic.h"
+
+#if defined(PIPE_OS_UNIX)
+# include <time.h> /* timeval */
+# include <sys/time.h> /* timeval */
+# include <sched.h> /* sched_yield */
+# include <errno.h>
+#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
+# include <windows.h>
+#else
+# error Unsupported OS
+#endif
+
+
+int64_t
+os_time_get_nano(void)
+{
+#if defined(PIPE_OS_LINUX)
+
+ struct timespec tv;
+ clock_gettime(CLOCK_MONOTONIC, &tv);
+ return tv.tv_nsec + tv.tv_sec*INT64_C(1000000000);
+
+#elif defined(PIPE_OS_UNIX)
+
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ return tv.tv_usec*INT64_C(1000) + tv.tv_sec*INT64_C(1000000000);
+
+#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
+
+ static LARGE_INTEGER frequency;
+ LARGE_INTEGER counter;
+ int64_t secs, nanosecs;
+ if(!frequency.QuadPart)
+ QueryPerformanceFrequency(&frequency);
+ QueryPerformanceCounter(&counter);
+ /* Compute seconds and nanoseconds parts separately to
+ * reduce severity of precision loss.
+ */
+ secs = counter.QuadPart / frequency.QuadPart;
+ nanosecs = (counter.QuadPart % frequency.QuadPart) * INT64_C(1000000000)
+ / frequency.QuadPart;
+ return secs*INT64_C(1000000000) + nanosecs;
+
+#else
+
+#error Unsupported OS
+
+#endif
+}
+
+
+
+void
+os_time_sleep(int64_t usecs)
+{
+#if defined(PIPE_OS_LINUX)
+ struct timespec time;
+ time.tv_sec = usecs / 1000000;
+ time.tv_nsec = (usecs % 1000000) * 1000;
+ while (clock_nanosleep(CLOCK_MONOTONIC, 0, &time, &time) == EINTR);
+
+#elif defined(PIPE_OS_UNIX)
+ usleep(usecs);
+
+#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
+ DWORD dwMilliseconds = (DWORD) ((usecs + 999) / 1000);
+ /* Avoid Sleep(O) as that would cause to sleep for an undetermined duration */
+ if (dwMilliseconds) {
+ Sleep(dwMilliseconds);
+ }
+#else
+# error Unsupported OS
+#endif
+}
+
+
+
+int64_t
+os_time_get_absolute_timeout(uint64_t timeout)
+{
+ int64_t time, abs_timeout;
+
+ /* Also check for the type upper bound. */
+ if (timeout == OS_TIMEOUT_INFINITE || timeout > INT64_MAX)
+ return OS_TIMEOUT_INFINITE;
+
+ time = os_time_get_nano();
+ abs_timeout = time + (int64_t)timeout;
+
+ /* Check for overflow. */
+ if (abs_timeout < time)
+ return OS_TIMEOUT_INFINITE;
+
+ return abs_timeout;
+}
+
+
+bool
+os_wait_until_zero(volatile int *var, uint64_t timeout)
+{
+ if (!p_atomic_read(var))
+ return true;
+
+ if (!timeout)
+ return false;
+
+ if (timeout == OS_TIMEOUT_INFINITE) {
+ while (p_atomic_read(var)) {
+#if defined(PIPE_OS_UNIX)
+ sched_yield();
+#endif
+ }
+ return true;
+ }
+ else {
+ int64_t start_time = os_time_get_nano();
+ int64_t end_time = start_time + timeout;
+
+ while (p_atomic_read(var)) {
+ if (os_time_timeout(start_time, end_time, os_time_get_nano()))
+ return false;
+
+#if defined(PIPE_OS_UNIX)
+ sched_yield();
+#endif
+ }
+ return true;
+ }
+}
+
+
+bool
+os_wait_until_zero_abs_timeout(volatile int *var, int64_t timeout)
+{
+ if (!p_atomic_read(var))
+ return true;
+
+ if (timeout == OS_TIMEOUT_INFINITE)
+ return os_wait_until_zero(var, OS_TIMEOUT_INFINITE);
+
+ while (p_atomic_read(var)) {
+ if (os_time_get_nano() >= timeout)
+ return false;
+
+#if defined(PIPE_OS_UNIX)
+ sched_yield();
+#endif
+ }
+ return true;
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2008-2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * OS independent time-manipulation functions.
+ *
+ * @author Jose Fonseca <jfonseca@vmware.com>
+ */
+
+#ifndef _OS_TIME_H_
+#define _OS_TIME_H_
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* must be equal to PIPE_TIMEOUT_INFINITE */
+#define OS_TIMEOUT_INFINITE 0xffffffffffffffffull
+
+/*
+ * Get the current time in nanoseconds from an unknown base.
+ */
+int64_t
+os_time_get_nano(void);
+
+
+/*
+ * Get the current time in microseconds from an unknown base.
+ */
+static inline int64_t
+os_time_get(void)
+{
+ return os_time_get_nano() / 1000;
+}
+
+
+/*
+ * Sleep.
+ */
+void
+os_time_sleep(int64_t usecs);
+
+
+/*
+ * Helper function for detecting time outs, taking in account overflow.
+ *
+ * Returns true if the current time has elapsed beyond the specified interval.
+ */
+static inline bool
+os_time_timeout(int64_t start,
+ int64_t end,
+ int64_t curr)
+{
+ if (start <= end)
+ return !(start <= curr && curr < end);
+ else
+ return !((start <= curr) || (curr < end));
+}
+
+
+/**
+ * Convert a relative timeout in nanoseconds into an absolute timeout,
+ * in other words, it returns current time + timeout.
+ * os_time_get_nano() must be monotonic.
+ * OS_TIMEOUT_INFINITE is passed through unchanged. If the calculation
+ * overflows, OS_TIMEOUT_INFINITE is returned.
+ */
+int64_t
+os_time_get_absolute_timeout(uint64_t timeout);
+
+
+/**
+ * Wait until the variable at the given memory location is zero.
+ *
+ * \param var variable
+ * \param timeout timeout in ns, can be anything from 0 (no wait) to
+ * OS_TIMEOUT_INFINITE (wait forever)
+ * \return true if the variable is zero
+ */
+bool
+os_wait_until_zero(volatile int *var, uint64_t timeout);
+
+
+/**
+ * Wait until the variable at the given memory location is zero.
+ * The timeout is the absolute time when the waiting should stop. If it is
+ * less than or equal to the current time, it only returns the status and
+ * doesn't wait. OS_TIMEOUT_INFINITE waits forever. This requires that
+ * os_time_get_nano is monotonic.
+ *
+ * \param var variable
+ * \param timeout the time in ns when the waiting should stop
+ * \return true if the variable is zero
+ */
+bool
+os_wait_until_zero_abs_timeout(volatile int *var, int64_t timeout);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _OS_TIME_H_ */
projects / mesa.git / commitdiff