rust-lang/rust
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Added support for task sleeping in the scheduler.

Browse Source
This commit is contained in:
Michael Bebenita
2010-08-11 21:23:34 -07:00
parent 88d9a79ac8
commit 988695a96c
12 changed files with 154 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
src/rt/rust_dom.cpp
View File

@@ -330,7 +330,9 @@ rust_dom::schedule_task()
if (running_tasks.length() > 0) {
size_t i = rand(&rctx);
i %= running_tasks.length();
return (rust_task *)running_tasks[i];
if (running_tasks[i]->yield_timer.has_timed_out()) {
return (rust_task *)running_tasks[i];
}
}
// log(rust_log::DOM|rust_log::TASK, "no schedulable tasks");
return NULL;
@@ -349,8 +351,11 @@ rust_dom::log_state() {
log(rust_log::TASK, "running tasks:");
for (size_t i = 0; i < running_tasks.length(); i++) {
log(rust_log::TASK,
"\t task: %s @0x%" PRIxPTR,
running_tasks[i]->name, running_tasks[i]);
"\t task: %s @0x%" PRIxPTR
" timeout: %d",
running_tasks[i]->name,
running_tasks[i],
running_tasks[i]->yield_timer.get_timeout());
}
}
@@ -396,8 +401,8 @@ rust_dom::start_main_loop()
rust_task *scheduled_task = schedule_task();
// If we cannot schedule a task because all other live tasks
// are blocked, wait on a condition variable which is signaled
// if progress is made in other domains.
// are blocked, yield and hopefully some progress is made in
// other domains.
if (scheduled_task == NULL) {
if (_log.is_tracing(rust_log::TASK)) {