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sync: don't force Mutex and Semaphore to be reference (#8331)

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This commit is contained in:
Uwe Krüger
2021-01-29 19:52:14 +01:00
committed by GitHub
parent d370e4de9f
commit 4a955d9c54
18 changed files with 541 additions and 296 deletions
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10
vlib/sync/channel_select_3_test.v
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@@ -9,7 +9,7 @@ fn getint() int {
return 8
}
fn f1(ch1 chan int, ch2 chan St, ch3 chan int, ch4 chan int, ch5 chan int, sem sync.Semaphore) {
fn f1(ch1 chan int, ch2 chan St, ch3 chan int, ch4 chan int, ch5 chan int, mut sem sync.Semaphore) {
mut a := 5
select {
a = <-ch3 {
@@ -40,7 +40,7 @@ fn f1(ch1 chan int, ch2 chan St, ch3 chan int, ch4 chan int, ch5 chan int, sem s
sem.post()
}
fn f2(ch1 chan St, ch2 chan int, sem sync.Semaphore) {
fn f2(ch1 chan St, ch2 chan int, mut sem sync.Semaphore) {
mut r := 23
for i in 0 .. 2 {
select {
@@ -66,7 +66,7 @@ fn test_select_blocks() {
ch3 := chan int{}
ch4 := chan int{}
ch5 := chan int{}
sem := sync.new_semaphore()
mut sem := sync.new_semaphore()
mut r := false
t := select {
b := <-ch1 {
@@ -79,7 +79,7 @@ fn test_select_blocks() {
}
assert r == true
assert t == true
go f2(ch2, ch3, sem)
go f2(ch2, ch3, mut sem)
n := <-ch3
assert n == 23
ch2 <- St{
@@ -87,7 +87,7 @@ fn test_select_blocks() {
}
sem.wait()
stopwatch := time.new_stopwatch({})
go f1(ch1, ch2, ch3, ch4, ch5, sem)
go f1(ch1, ch2, ch3, ch4, ch5, mut sem)
sem.wait()
elapsed_ms := f64(stopwatch.elapsed()) / time.millisecond
// https://docs.microsoft.com/en-us/windows-hardware/drivers/kernel/high-resolution-timers