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Diffstat (limited to 'third-party/libuv/src/win/timer.c')
-rw-r--r--third-party/libuv/src/win/timer.c254
1 files changed, 0 insertions, 254 deletions
diff --git a/third-party/libuv/src/win/timer.c b/third-party/libuv/src/win/timer.c
deleted file mode 100644
index 6c53ea37e0..0000000000
--- a/third-party/libuv/src/win/timer.c
+++ /dev/null
@@ -1,254 +0,0 @@
-/* Copyright Joyent, Inc. and other Node contributors. 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, sublicense, 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 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 NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS 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.
- */
-
-#include <assert.h>
-#include <limits.h>
-
-#include "uv.h"
-#include "internal.h"
-#include "tree.h"
-#include "handle-inl.h"
-
-
-void uv_update_time(uv_loop_t* loop) {
- DWORD ticks;
- ULARGE_INTEGER time;
-
- ticks = GetTickCount();
-
- time.QuadPart = loop->time;
-
- /* GetTickCount() can conceivably wrap around, so when the current tick */
- /* count is lower than the last tick count, we'll assume it has wrapped. */
- /* uv_poll must make sure that the timer can never overflow more than */
- /* once between two subsequent uv_update_time calls. */
- time.LowPart = ticks;
- if (ticks < loop->last_tick_count)
- time.HighPart++;
-
- /* Remember the last tick count. */
- loop->last_tick_count = ticks;
-
- /* The GetTickCount() resolution isn't too good. Sometimes it'll happen */
- /* that GetQueuedCompletionStatus() or GetQueuedCompletionStatusEx() has */
- /* waited for a couple of ms but this is not reflected in the GetTickCount */
- /* result yet. Therefore whenever GetQueuedCompletionStatus times out */
- /* we'll add the number of ms that it has waited to the current loop time. */
- /* When that happened the loop time might be a little ms farther than what */
- /* we've just computed, and we shouldn't update the loop time. */
- if (loop->time < time.QuadPart)
- loop->time = time.QuadPart;
-}
-
-
-void uv__time_forward(uv_loop_t* loop, uint64_t msecs) {
- loop->time += msecs;
-}
-
-
-static int uv_timer_compare(uv_timer_t* a, uv_timer_t* b) {
- if (a->due < b->due)
- return -1;
- if (a->due > b->due)
- return 1;
- /*
- * compare start_id when both has the same due. start_id is
- * allocated with loop->timer_counter in uv_timer_start().
- */
- if (a->start_id < b->start_id)
- return -1;
- if (a->start_id > b->start_id)
- return 1;
- return 0;
-}
-
-
-RB_GENERATE_STATIC(uv_timer_tree_s, uv_timer_s, tree_entry, uv_timer_compare);
-
-
-int uv_timer_init(uv_loop_t* loop, uv_timer_t* handle) {
- uv__handle_init(loop, (uv_handle_t*) handle, UV_TIMER);
- handle->timer_cb = NULL;
- handle->repeat = 0;
-
- return 0;
-}
-
-
-void uv_timer_endgame(uv_loop_t* loop, uv_timer_t* handle) {
- if (handle->flags & UV__HANDLE_CLOSING) {
- assert(!(handle->flags & UV_HANDLE_CLOSED));
- uv__handle_close(handle);
- }
-}
-
-
-static uint64_t get_clamped_due_time(uint64_t loop_time, uint64_t timeout) {
- uint64_t clamped_timeout;
-
- clamped_timeout = loop_time + timeout;
- if (clamped_timeout < timeout)
- clamped_timeout = (uint64_t) -1;
-
- return clamped_timeout;
-}
-
-
-int uv_timer_start(uv_timer_t* handle, uv_timer_cb timer_cb, uint64_t timeout,
- uint64_t repeat) {
- uv_loop_t* loop = handle->loop;
- uv_timer_t* old;
-
- if (handle->flags & UV_HANDLE_ACTIVE) {
- RB_REMOVE(uv_timer_tree_s, &loop->timers, handle);
- }
-
- handle->timer_cb = timer_cb;
- handle->due = get_clamped_due_time(loop->time, timeout);
- handle->repeat = repeat;
- handle->flags |= UV_HANDLE_ACTIVE;
- uv__handle_start(handle);
-
- /* start_id is the second index to be compared in uv__timer_cmp() */
- handle->start_id = handle->loop->timer_counter++;
-
- old = RB_INSERT(uv_timer_tree_s, &loop->timers, handle);
- assert(old == NULL);
-
- return 0;
-}
-
-
-int uv_timer_stop(uv_timer_t* handle) {
- uv_loop_t* loop = handle->loop;
-
- if (!(handle->flags & UV_HANDLE_ACTIVE))
- return 0;
-
- RB_REMOVE(uv_timer_tree_s, &loop->timers, handle);
-
- handle->flags &= ~UV_HANDLE_ACTIVE;
- uv__handle_stop(handle);
-
- return 0;
-}
-
-
-int uv_timer_again(uv_timer_t* handle) {
- uv_loop_t* loop = handle->loop;
-
- /* If timer_cb is NULL that means that the timer was never started. */
- if (!handle->timer_cb) {
- return UV_EINVAL;
- }
-
- if (handle->flags & UV_HANDLE_ACTIVE) {
- RB_REMOVE(uv_timer_tree_s, &loop->timers, handle);
- handle->flags &= ~UV_HANDLE_ACTIVE;
- uv__handle_stop(handle);
- }
-
- if (handle->repeat) {
- handle->due = get_clamped_due_time(loop->time, handle->repeat);
-
- if (RB_INSERT(uv_timer_tree_s, &loop->timers, handle) != NULL) {
- uv_fatal_error(ERROR_INVALID_DATA, "RB_INSERT");
- }
-
- handle->flags |= UV_HANDLE_ACTIVE;
- uv__handle_start(handle);
- }
-
- return 0;
-}
-
-
-void uv_timer_set_repeat(uv_timer_t* handle, uint64_t repeat) {
- assert(handle->type == UV_TIMER);
- handle->repeat = repeat;
-}
-
-
-uint64_t uv_timer_get_repeat(const uv_timer_t* handle) {
- assert(handle->type == UV_TIMER);
- return handle->repeat;
-}
-
-
-DWORD uv_get_poll_timeout(uv_loop_t* loop) {
- uv_timer_t* timer;
- int64_t delta;
-
- /* Check if there are any running timers */
- timer = RB_MIN(uv_timer_tree_s, &loop->timers);
- if (timer) {
- uv_update_time(loop);
-
- delta = timer->due - loop->time;
- if (delta >= UINT_MAX >> 1) {
- /* A timeout value of UINT_MAX means infinite, so that's no good. But */
- /* more importantly, there's always the risk that GetTickCount wraps. */
- /* uv_update_time can detect this, but we must make sure that the */
- /* tick counter never overflows twice between two subsequent */
- /* uv_update_time calls. We do this by never sleeping more than half */
- /* the time it takes to wrap the counter - which is huge overkill, */
- /* but hey, it's not so bad to wake up every 25 days. */
- return UINT_MAX >> 1;
- } else if (delta < 0) {
- /* Negative timeout values are not allowed */
- return 0;
- } else {
- return (DWORD)delta;
- }
- } else {
- /* No timers */
- return INFINITE;
- }
-}
-
-
-void uv_process_timers(uv_loop_t* loop) {
- uv_timer_t* timer;
-
- /* Call timer callbacks */
- for (timer = RB_MIN(uv_timer_tree_s, &loop->timers);
- timer != NULL && timer->due <= loop->time;
- timer = RB_MIN(uv_timer_tree_s, &loop->timers)) {
- RB_REMOVE(uv_timer_tree_s, &loop->timers, timer);
-
- if (timer->repeat != 0) {
- /* If it is a repeating timer, reschedule with repeat timeout. */
- timer->due = get_clamped_due_time(timer->due, timer->repeat);
- if (timer->due < loop->time) {
- timer->due = loop->time;
- }
- if (RB_INSERT(uv_timer_tree_s, &loop->timers, timer) != NULL) {
- uv_fatal_error(ERROR_INVALID_DATA, "RB_INSERT");
- }
- } else {
- /* If non-repeating, mark the timer as inactive. */
- timer->flags &= ~UV_HANDLE_ACTIVE;
- uv__handle_stop(timer);
- }
-
- timer->timer_cb((uv_timer_t*) timer, 0);
- }
-}
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