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rt: Expose the C stack inside the Rust scheduler so that C calls can switch to it

This commit is contained in:
Patrick Walton 2011-09-27 19:19:19 -07:00
parent dbf472b0df
commit e8757ea01f
2 changed files with 5 additions and 4 deletions
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6
src/rt/rust_scheduler.cpp
View File

@ -58,12 +58,10 @@ rust_scheduler::~rust_scheduler() {
void
rust_scheduler::activate(rust_task *task) {
context ctx;
task->ctx.next = &ctx;
task->ctx.next = &c_context;
DLOG(this, task, "descheduling...");
lock.unlock();
task->ctx.swap(ctx);
task->ctx.swap(c_context);
lock.lock();
DLOG(this, task, "task has returned");
}

3
src/rt/rust_scheduler.h
View File

@ -1,6 +1,8 @@
#ifndef RUST_SCHEDULER_H
#define RUST_SCHEDULER_H
#include "context.h"
#ifndef _WIN32
#include <pthread.h>
#else
@ -72,6 +74,7 @@ struct rust_scheduler : public kernel_owned<rust_scheduler>,
static bool tls_initialized;
rust_env *env;
context c_context;
// Only a pointer to 'name' is kept, so it must live as long as this
// domain.