forked from M-Labs/libfringe
make Context::new take a stack, instead of creating one
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27318bc271
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8dc53c3125
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@ -1,14 +1,16 @@
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#![feature(test)]
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extern crate test;
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extern crate lwkt;
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use lwkt::Context;
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use lwkt::{Context, StackSource};
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static mut ctx_slot: *mut Context = 0 as *mut Context;
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#[bench]
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fn context_new(b: &mut test::Bencher) {
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b.iter(|| unsafe {
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let mut ctx = Context::new(move || {
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let stack = lwkt::os::StackSource::get_stack(4 << 20);
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let mut ctx = Context::new(stack, move || {
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let ctx_ptr = ctx_slot;
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loop {
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(*ctx_ptr).swap()
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@ -1,14 +1,16 @@
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#![feature(test)]
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extern crate test;
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extern crate lwkt;
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use lwkt::Context;
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use lwkt::{Context, StackSource};
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static mut ctx_slot: *mut Context = 0 as *mut Context;
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#[bench]
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fn swap(b: &mut test::Bencher) {
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unsafe {
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let mut ctx = Context::new(move || {
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let stack = lwkt::os::StackSource::get_stack(4 << 20);
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let mut ctx = Context::new(stack, move || {
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let ctx_ptr = ctx_slot;
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loop {
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(*ctx_ptr).swap()
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@ -1,13 +1,15 @@
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#![feature(thread_local)]
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extern crate lwkt;
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use lwkt::Context;
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use lwkt::{Context, StackSource};
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#[thread_local]
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static mut ctx_slot: *mut Context = 0 as *mut Context;
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fn main() {
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unsafe {
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let mut ctx = Context::new(move || {
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let stack = lwkt::os::StackSource::get_stack(4 << 20);
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let mut ctx = Context::new(stack, move || {
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println!("it's alive!");
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(*ctx_slot).swap();
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});
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@ -1,7 +1,5 @@
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use core::prelude::*;
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use stack::StackSource;
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use arch::Registers;
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use stack::Stack;
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use os;
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pub struct Context {
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@ -11,8 +9,7 @@ pub struct Context {
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impl Context {
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#[inline]
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pub unsafe fn new<F>(f: F) -> Context where F: FnOnce() + Send + 'static {
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let mut stack = os::StackSource::get_stack(4 << 20);
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pub unsafe fn new<F>(mut stack: os::Stack, f: F) -> Context where F: FnOnce() + Send + 'static {
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let regs = Registers::new(&mut stack, f);
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Context {
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regs: regs,
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@ -20,4 +20,4 @@ pub mod context;
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pub mod stack;
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mod arch;
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mod os;
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pub mod os;
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