Add tests for core:sync and core:sync/chan

This commit is contained in:
Feoramund
2024-09-09 16:17:08 -04:00
parent 16cd16b91e
commit 7f7cfebc91
3 changed files with 994 additions and 0 deletions

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@@ -39,6 +39,8 @@ download_assets :: proc() {
@(require) import "slice"
@(require) import "strconv"
@(require) import "strings"
@(require) import "sync"
@(require) import "sync/chan"
@(require) import "sys/posix"
@(require) import "sys/windows"
@(require) import "text/i18n"

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@@ -0,0 +1,274 @@
package test_core_sync_chan
import "base:runtime"
import "base:intrinsics"
import "core:log"
import "core:math/rand"
import "core:sync/chan"
import "core:testing"
import "core:thread"
import "core:time"
Message_Type :: enum i32 {
Result,
Add,
Multiply,
Subtract,
Divide,
End,
}
Message :: struct {
type: Message_Type,
i: i64,
}
Comm :: struct {
host: chan.Chan(Message),
client: chan.Chan(Message),
manual_buffering: bool,
}
BUFFER_SIZE :: 8
MAX_RAND :: 32
FAIL_TIME :: 1 * time.Second
SLEEP_TIME :: 1 * time.Millisecond
comm_client :: proc(th: ^thread.Thread) {
data := cast(^Comm)th.data
manual_buffering := data.manual_buffering
n: i64
for manual_buffering && !chan.can_recv(data.host) {
thread.yield()
}
recv_loop: for msg in chan.recv(data.host) {
#partial switch msg.type {
case .Add: n += msg.i
case .Multiply: n *= msg.i
case .Subtract: n -= msg.i
case .Divide: n /= msg.i
case .End:
break recv_loop
case:
panic("Unknown message type for client.")
}
for manual_buffering && !chan.can_recv(data.host) {
thread.yield()
}
}
for manual_buffering && !chan.can_send(data.host) {
thread.yield()
}
chan.send(data.client, Message{.Result, n})
chan.close(data.client)
}
send_messages :: proc(t: ^testing.T, host: chan.Chan(Message), manual_buffering: bool = false) -> (expected: i64) {
expected = 1
for manual_buffering && !chan.can_send(host) {
thread.yield()
}
chan.send(host, Message{.Add, 1})
log.debug(Message{.Add, 1})
for _ in 0..<1+2*BUFFER_SIZE {
msg: Message
msg.i = 1 + rand.int63_max(MAX_RAND)
switch rand.int_max(4) {
case 0:
msg.type = .Add
expected += msg.i
case 1:
msg.type = .Multiply
expected *= msg.i
case 2:
msg.type = .Subtract
expected -= msg.i
case 3:
msg.type = .Divide
expected /= msg.i
}
for manual_buffering && !chan.can_send(host) {
thread.yield()
}
if manual_buffering {
testing.expect(t, chan.len(host) == 0)
}
chan.send(host, msg)
log.debug(msg)
}
for manual_buffering && !chan.can_send(host) {
thread.yield()
}
chan.send(host, Message{.End, 0})
log.debug(Message{.End, 0})
chan.close(host)
return
}
@test
test_chan_buffered :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
comm: Comm
alloc_err: runtime.Allocator_Error
comm.host, alloc_err = chan.create_buffered(chan.Chan(Message), BUFFER_SIZE, context.allocator)
assert(alloc_err == nil, "allocation failed")
comm.client, alloc_err = chan.create_buffered(chan.Chan(Message), BUFFER_SIZE, context.allocator)
assert(alloc_err == nil, "allocation failed")
defer {
chan.destroy(comm.host)
chan.destroy(comm.client)
}
testing.expect(t, chan.is_buffered(comm.host))
testing.expect(t, chan.is_buffered(comm.client))
testing.expect(t, !chan.is_unbuffered(comm.host))
testing.expect(t, !chan.is_unbuffered(comm.client))
testing.expect_value(t, chan.len(comm.host), 0)
testing.expect_value(t, chan.len(comm.client), 0)
testing.expect_value(t, chan.cap(comm.host), BUFFER_SIZE)
testing.expect_value(t, chan.cap(comm.client), BUFFER_SIZE)
reckoner := thread.create(comm_client)
defer thread.destroy(reckoner)
reckoner.data = &comm
thread.start(reckoner)
expected := send_messages(t, comm.host, manual_buffering = false)
// Sleep so we can give the other thread enough time to buffer its message.
time.sleep(SLEEP_TIME)
testing.expect_value(t, chan.len(comm.client), 1)
result, ok := chan.try_recv(comm.client)
// One more sleep to ensure it has enough time to close.
time.sleep(SLEEP_TIME)
testing.expect_value(t, chan.is_closed(comm.client), true)
testing.expect_value(t, ok, true)
testing.expect_value(t, result.i, expected)
log.debug(result, expected)
// Make sure sending to closed channels fails.
testing.expect_value(t, chan.send(comm.host, Message{.End, 0}), false)
testing.expect_value(t, chan.send(comm.client, Message{.End, 0}), false)
testing.expect_value(t, chan.try_send(comm.host, Message{.End, 0}), false)
testing.expect_value(t, chan.try_send(comm.client, Message{.End, 0}), false)
_, ok = chan.recv(comm.host); testing.expect_value(t, ok, false)
_, ok = chan.recv(comm.client); testing.expect_value(t, ok, false)
_, ok = chan.try_recv(comm.host); testing.expect_value(t, ok, false)
_, ok = chan.try_recv(comm.client); testing.expect_value(t, ok, false)
}
@test
test_chan_unbuffered :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
comm: Comm
comm.manual_buffering = true
alloc_err: runtime.Allocator_Error
comm.host, alloc_err = chan.create_unbuffered(chan.Chan(Message), context.allocator)
assert(alloc_err == nil, "allocation failed")
comm.client, alloc_err = chan.create_unbuffered(chan.Chan(Message), context.allocator)
assert(alloc_err == nil, "allocation failed")
defer {
chan.destroy(comm.host)
chan.destroy(comm.client)
}
testing.expect(t, !chan.is_buffered(comm.host))
testing.expect(t, !chan.is_buffered(comm.client))
testing.expect(t, chan.is_unbuffered(comm.host))
testing.expect(t, chan.is_unbuffered(comm.client))
testing.expect_value(t, chan.len(comm.host), 0)
testing.expect_value(t, chan.len(comm.client), 0)
testing.expect_value(t, chan.cap(comm.host), 0)
testing.expect_value(t, chan.cap(comm.client), 0)
reckoner := thread.create(comm_client)
defer thread.destroy(reckoner)
reckoner.data = &comm
thread.start(reckoner)
for !chan.can_send(comm.client) {
thread.yield()
}
expected := send_messages(t, comm.host)
testing.expect_value(t, chan.is_closed(comm.host), true)
for !chan.can_recv(comm.client) {
thread.yield()
}
result, ok := chan.try_recv(comm.client)
testing.expect_value(t, ok, true)
testing.expect_value(t, result.i, expected)
log.debug(result, expected)
// Sleep so we can give the other thread enough time to close its side
// after we've received its message.
time.sleep(SLEEP_TIME)
testing.expect_value(t, chan.is_closed(comm.client), true)
// Make sure sending and receiving on closed channels fails.
testing.expect_value(t, chan.send(comm.host, Message{.End, 0}), false)
testing.expect_value(t, chan.send(comm.client, Message{.End, 0}), false)
testing.expect_value(t, chan.try_send(comm.host, Message{.End, 0}), false)
testing.expect_value(t, chan.try_send(comm.client, Message{.End, 0}), false)
_, ok = chan.recv(comm.host); testing.expect_value(t, ok, false)
_, ok = chan.recv(comm.client); testing.expect_value(t, ok, false)
_, ok = chan.try_recv(comm.host); testing.expect_value(t, ok, false)
_, ok = chan.try_recv(comm.client); testing.expect_value(t, ok, false)
}
@test
test_full_buffered_closed_chan_deadlock :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
ch, alloc_err := chan.create_buffered(chan.Chan(int), 1, context.allocator)
assert(alloc_err == nil, "allocation failed")
defer chan.destroy(ch)
testing.expect(t, chan.can_send(ch))
testing.expect(t, chan.send(ch, 32))
testing.expect(t, chan.close(ch))
testing.expect(t, !chan.send(ch, 32))
}
// This test guarantees a buffered channel's messages can still be received
// even after closing. This is currently how the API works. If that changes,
// this test will need to change.
@test
test_accept_message_from_closed_buffered_chan :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
ch, alloc_err := chan.create_buffered(chan.Chan(int), 2, context.allocator)
assert(alloc_err == nil, "allocation failed")
defer chan.destroy(ch)
testing.expect(t, chan.can_send(ch))
testing.expect(t, chan.send(ch, 32))
testing.expect(t, chan.send(ch, 64))
testing.expect(t, chan.close(ch))
result, ok := chan.recv(ch)
testing.expect_value(t, result, 32)
testing.expect(t, ok)
result, ok = chan.try_recv(ch)
testing.expect_value(t, result, 64)
testing.expect(t, ok)
}

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@@ -0,0 +1,718 @@
// NOTE(Feoramund): These tests should be run a few hundred times, with and
// without `-sanitize:thread` enabled, to ensure maximum safety.
//
// Keep in mind that running with the debug logs uncommented can result in
// failures disappearing due to the delay of sending the log message causing
// different synchronization patterns.
//
// These tests are temporarily disabled on Darwin, as there is currently a
// stall occurring which I cannot debug.
//+build !darwin
package test_core_sync
import "base:intrinsics"
// import "core:log"
import "core:sync"
import "core:testing"
import "core:thread"
import "core:time"
FAIL_TIME :: 1 * time.Second
SLEEP_TIME :: 1 * time.Millisecond
SMALL_SLEEP_TIME :: 10 * time.Microsecond
// This needs to be high enough to cause a data race if any of the
// synchronization primitives fail.
THREADS :: 8
// Manually wait on all threads to finish.
//
// This reduces a dependency on a `Wait_Group` or similar primitives.
//
// It's also important that we wait for every thread to finish, as it's
// possible for a thread to finish after the test if we don't check, despite
// joining it to the test thread.
wait_for :: proc(threads: []^thread.Thread) {
wait_loop: for {
count := len(threads)
for v in threads {
if thread.is_done(v) {
count -= 1
}
}
if count == 0 {
break wait_loop
}
thread.yield()
}
for t in threads {
thread.join(t)
thread.destroy(t)
}
}
//
// core:sync/primitives.odin
//
@test
test_mutex :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
Data :: struct {
m: sync.Mutex,
number: int,
}
p :: proc(th: ^thread.Thread) {
data := cast(^Data)th.data
// log.debugf("MUTEX-%v> locking", th.id)
sync.mutex_lock(&data.m)
data.number += 1
// log.debugf("MUTEX-%v> unlocking", th.id)
sync.mutex_unlock(&data.m)
// log.debugf("MUTEX-%v> leaving", th.id)
}
data: Data
threads: [THREADS]^thread.Thread
for &v in threads {
v = thread.create(p)
v.data = &data
v.init_context = context
thread.start(v)
}
wait_for(threads[:])
testing.expect_value(t, data.number, THREADS)
}
@test
test_rw_mutex :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
Data :: struct {
m1: sync.RW_Mutex,
m2: sync.RW_Mutex,
number1: int,
number2: int,
}
p :: proc(th: ^thread.Thread) {
data := cast(^Data)th.data
sync.rw_mutex_shared_lock(&data.m1)
n := data.number1
sync.rw_mutex_shared_unlock(&data.m1)
sync.rw_mutex_lock(&data.m2)
data.number2 += n
sync.rw_mutex_unlock(&data.m2)
}
data: Data
threads: [THREADS]^thread.Thread
sync.rw_mutex_lock(&data.m1)
for &v in threads {
v = thread.create(p)
v.data = &data
v.init_context = context
thread.start(v)
}
data.number1 = 1
sync.rw_mutex_unlock(&data.m1)
wait_for(threads[:])
testing.expect_value(t, data.number2, THREADS)
}
@test
test_recursive_mutex :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
Data :: struct {
m: sync.Recursive_Mutex,
number: int,
}
p :: proc(th: ^thread.Thread) {
data := cast(^Data)th.data
// log.debugf("REC_MUTEX-%v> locking", th.id)
tried1 := sync.recursive_mutex_try_lock(&data.m)
for _ in 0..<3 {
sync.recursive_mutex_lock(&data.m)
}
tried2 := sync.recursive_mutex_try_lock(&data.m)
// log.debugf("REC_MUTEX-%v> locked", th.id)
data.number += 1
// log.debugf("REC_MUTEX-%v> unlocking", th.id)
for _ in 0..<3 {
sync.recursive_mutex_unlock(&data.m)
}
if tried1 { sync.recursive_mutex_unlock(&data.m) }
if tried2 { sync.recursive_mutex_unlock(&data.m) }
// log.debugf("REC_MUTEX-%v> leaving", th.id)
}
data: Data
threads: [THREADS]^thread.Thread
for &v in threads {
v = thread.create(p)
v.data = &data
v.init_context = context
thread.start(v)
}
wait_for(threads[:])
testing.expect_value(t, data.number, THREADS)
}
@test
test_cond :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
Data :: struct {
c: sync.Cond,
m: sync.Mutex,
i: int,
number: int,
}
p :: proc(th: ^thread.Thread) {
data := cast(^Data)th.data
sync.mutex_lock(&data.m)
for intrinsics.atomic_load(&data.i) != 1 {
sync.cond_wait(&data.c, &data.m)
}
data.number += intrinsics.atomic_load(&data.i)
sync.mutex_unlock(&data.m)
}
data: Data
threads: [THREADS]^thread.Thread
data.i = -1
sync.mutex_lock(&data.m)
for &v in threads {
v = thread.create(p)
v.data = &data
v.init_context = context
thread.start(v)
}
time.sleep(SLEEP_TIME)
data.i = 1
sync.mutex_unlock(&data.m)
sync.cond_broadcast(&data.c)
wait_for(threads[:])
testing.expect_value(t, data.number, THREADS)
}
@test
test_cond_with_timeout :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
c: sync.Cond
m: sync.Mutex
sync.mutex_lock(&m)
sync.cond_wait_with_timeout(&c, &m, SLEEP_TIME)
}
@test
test_semaphore :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
Data :: struct {
s: sync.Sema,
number: int,
}
p :: proc(th: ^thread.Thread) {
data := cast(^Data)th.data
// log.debugf("SEM-%v> waiting", th.id)
sync.sema_wait(&data.s)
data.number += 1
// log.debugf("SEM-%v> posting", th.id)
sync.sema_post(&data.s)
// log.debugf("SEM-%v> leaving", th.id)
}
data: Data
threads: [THREADS]^thread.Thread
for &v in threads {
v = thread.create(p)
v.data = &data
v.init_context = context
thread.start(v)
}
sync.sema_post(&data.s)
wait_for(threads[:])
testing.expect_value(t, data.number, THREADS)
}
@test
test_semaphore_with_timeout :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
s: sync.Sema
sync.sema_wait_with_timeout(&s, SLEEP_TIME)
}
@test
test_futex :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
Data :: struct {
f: sync.Futex,
i: int,
number: int,
}
p :: proc(th: ^thread.Thread) {
data := cast(^Data)th.data
// log.debugf("FUTEX-%v> waiting", th.id)
sync.futex_wait(&data.f, 3)
// log.debugf("FUTEX-%v> done", th.id)
n := data.i
intrinsics.atomic_add(&data.number, n)
}
data: Data
data.i = -1
data.f = 3
threads: [THREADS]^thread.Thread
for &v in threads {
v = thread.create(p)
v.data = &data
v.init_context = context
thread.start(v)
}
data.i = 1
// Change the futex variable to keep late-starters from stalling.
data.f = 0
sync.futex_broadcast(&data.f)
wait_for(threads[:])
testing.expect_value(t, data.number, THREADS)
}
@test
test_futex_with_timeout :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
f: sync.Futex = 1
sync.futex_wait_with_timeout(&f, 1, SLEEP_TIME)
}
//
// core:sync/extended.odin
//
@test
test_wait_group :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
Data :: struct {
step1: sync.Wait_Group,
step2: sync.Wait_Group,
i: int,
number: int,
}
p :: proc(th: ^thread.Thread) {
data := cast(^Data)th.data
sync.wait_group_wait(&data.step1)
n := data.i
intrinsics.atomic_add(&data.number, n)
sync.wait_group_done(&data.step2)
}
data: Data
data.i = -1
threads: [THREADS]^thread.Thread
sync.wait_group_add(&data.step1, 1)
sync.wait_group_add(&data.step2, THREADS)
for &v in threads {
v = thread.create(p)
v.data = &data
v.init_context = context
thread.start(v)
}
time.sleep(SMALL_SLEEP_TIME)
data.i = 1
sync.wait_group_done(&data.step1)
sync.wait_group_wait(&data.step2)
wait_for(threads[:])
testing.expect_value(t, data.step1.counter, 0)
testing.expect_value(t, data.step2.counter, 0)
testing.expect_value(t, data.number, THREADS)
}
@test
test_wait_group_with_timeout :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
wg: sync.Wait_Group
sync.wait_group_wait_with_timeout(&wg, SLEEP_TIME)
}
@test
test_barrier :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
Data :: struct {
b: sync.Barrier,
i: int,
number: int,
}
p :: proc(th: ^thread.Thread) {
data := cast(^Data)th.data
sync.barrier_wait(&data.b)
intrinsics.atomic_add(&data.number, data.i)
}
data: Data
data.i = -1
threads: [THREADS]^thread.Thread
sync.barrier_init(&data.b, THREADS + 1) // +1 for this thread, of course.
for &v in threads {
v = thread.create(p)
v.data = &data
v.init_context = context
thread.start(v)
}
time.sleep(SMALL_SLEEP_TIME)
data.i = 1
sync.barrier_wait(&data.b)
wait_for(threads[:])
testing.expect_value(t, data.b.index, 0)
testing.expect_value(t, data.b.generation_id, 1)
testing.expect_value(t, data.b.thread_count, THREADS + 1)
testing.expect_value(t, data.number, THREADS)
}
@test
test_auto_reset :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
Data :: struct {
a: sync.Auto_Reset_Event,
number: int,
}
p :: proc(th: ^thread.Thread) {
data := cast(^Data)th.data
// log.debugf("AUR-%v> entering", th.id)
sync.auto_reset_event_wait(&data.a)
// log.debugf("AUR-%v> adding", th.id)
data.number += 1
// log.debugf("AUR-%v> signalling", th.id)
sync.auto_reset_event_signal(&data.a)
// log.debugf("AUR-%v> leaving", th.id)
}
data: Data
threads: [THREADS]^thread.Thread
for &v in threads {
v = thread.create(p)
v.data = &data
v.init_context = context
thread.start(v)
}
// There is a chance that this test can stall if a signal is sent before
// all threads are queued, because it's possible for some number of threads
// to get to the waiting state, the signal to fire, all of the waited
// threads to pass successfully, then the other threads come in with no-one
// to run a signal.
//
// So we'll just test a fully-waited queue of cascading threads.
for {
status := intrinsics.atomic_load(&data.a.status)
if status == -THREADS {
// log.debug("All Auto_Reset_Event threads have queued.")
break
}
intrinsics.cpu_relax()
}
sync.auto_reset_event_signal(&data.a)
wait_for(threads[:])
// The last thread should leave this primitive in a signalled state.
testing.expect_value(t, data.a.status, 1)
testing.expect_value(t, data.number, THREADS)
}
@test
test_auto_reset_already_signalled :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
a: sync.Auto_Reset_Event
sync.auto_reset_event_signal(&a)
sync.auto_reset_event_wait(&a)
testing.expect_value(t, a.status, 0)
}
@test
test_ticket_mutex :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
Data :: struct {
m: sync.Ticket_Mutex,
number: int,
}
p :: proc(th: ^thread.Thread) {
data := cast(^Data)th.data
// log.debugf("TIC-%i> entering", th.id)
// intrinsics.debug_trap()
sync.ticket_mutex_lock(&data.m)
// log.debugf("TIC-%i> locked", th.id)
data.number += 1
// log.debugf("TIC-%i> unlocking", th.id)
sync.ticket_mutex_unlock(&data.m)
// log.debugf("TIC-%i> leaving", th.id)
}
data: Data
threads: [THREADS]^thread.Thread
for &v in threads {
v = thread.create(p)
v.data = &data
v.init_context = context
thread.start(v)
}
wait_for(threads[:])
testing.expect_value(t, data.m.ticket, THREADS)
testing.expect_value(t, data.m.serving, THREADS)
testing.expect_value(t, data.number, THREADS)
}
@test
test_benaphore :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
Data :: struct {
b: sync.Benaphore,
number: int,
}
p :: proc(th: ^thread.Thread) {
data := cast(^Data)th.data
sync.benaphore_lock(&data.b)
data.number += 1
sync.benaphore_unlock(&data.b)
}
data: Data
threads: [THREADS]^thread.Thread
for &v in threads {
v = thread.create(p)
v.data = &data
v.init_context = context
thread.start(v)
}
wait_for(threads[:])
testing.expect_value(t, data.b.counter, 0)
testing.expect_value(t, data.number, THREADS)
}
@test
test_recursive_benaphore :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
Data :: struct {
b: sync.Recursive_Benaphore,
number: int,
}
p :: proc(th: ^thread.Thread) {
data := cast(^Data)th.data
// log.debugf("REC_BEP-%i> entering", th.id)
tried1 := sync.recursive_benaphore_try_lock(&data.b)
for _ in 0..<3 {
sync.recursive_benaphore_lock(&data.b)
}
tried2 := sync.recursive_benaphore_try_lock(&data.b)
// log.debugf("REC_BEP-%i> locked", th.id)
data.number += 1
for _ in 0..<3 {
sync.recursive_benaphore_unlock(&data.b)
}
if tried1 { sync.recursive_benaphore_unlock(&data.b) }
if tried2 { sync.recursive_benaphore_unlock(&data.b) }
// log.debugf("REC_BEP-%i> leaving", th.id)
}
data: Data
threads: [THREADS]^thread.Thread
for &v in threads {
v = thread.create(p)
v.data = &data
v.init_context = context
thread.start(v)
}
wait_for(threads[:])
// The benaphore should be unowned at the end.
testing.expect_value(t, data.b.counter, 0)
testing.expect_value(t, data.b.owner, 0)
testing.expect_value(t, data.b.recursion, 0)
testing.expect_value(t, data.number, THREADS)
}
@test
test_once :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
Data :: struct {
once: sync.Once,
number: int,
}
write :: proc "contextless" (data: rawptr) {
data := cast(^Data)data
data.number += 1
}
p :: proc(th: ^thread.Thread) {
data := cast(^Data)th.data
// log.debugf("ONCE-%v> entering", th.id)
sync.once_do_with_data_contextless(&data.once, write, data)
// log.debugf("ONCE-%v> leaving", th.id)
}
data: Data
threads: [THREADS]^thread.Thread
for &v in threads {
v = thread.create(p)
v.data = &data
v.init_context = context
thread.start(v)
}
wait_for(threads[:])
testing.expect_value(t, data.once.done, true)
testing.expect_value(t, data.number, 1)
}
@test
test_park :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
Data :: struct {
car: sync.Parker,
number: int,
}
data: Data
th := thread.create_and_start_with_data(&data, proc(data: rawptr) {
data := cast(^Data)data
time.sleep(SLEEP_TIME)
sync.unpark(&data.car)
data.number += 1
})
sync.park(&data.car)
wait_for([]^thread.Thread{ th })
PARKER_EMPTY :: 0
testing.expect_value(t, data.car.state, PARKER_EMPTY)
testing.expect_value(t, data.number, 1)
}
@test
test_park_with_timeout :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
car: sync.Parker
sync.park_with_timeout(&car, SLEEP_TIME)
}
@test
test_one_shot_event :: proc(t: ^testing.T) {
testing.set_fail_timeout(t, FAIL_TIME)
Data :: struct {
event: sync.One_Shot_Event,
number: int,
}
data: Data
th := thread.create_and_start_with_data(&data, proc(data: rawptr) {
data := cast(^Data)data
time.sleep(SLEEP_TIME)
sync.one_shot_event_signal(&data.event)
data.number += 1
})
sync.one_shot_event_wait(&data.event)
wait_for([]^thread.Thread{ th })
testing.expect_value(t, data.event.state, 1)
testing.expect_value(t, data.number, 1)
}