Merge pull request #5383 from Kelimion/thread-fix

Fix early join after start.
This commit is contained in:
Jeroen van Rijn
2025-06-21 11:54:46 +02:00
committed by GitHub
5 changed files with 75 additions and 75 deletions

View File

@@ -30,13 +30,13 @@ jobs:
gmake -C vendor/stb/src
gmake -C vendor/cgltf/src
gmake -C vendor/miniaudio/src
./odin check examples/all -vet -strict-style -disallow-do -target:netbsd_amd64
./odin check examples/all -vet -strict-style -disallow-do -target:netbsd_arm64
./odin check examples/all/sdl3 -vet -strict-style -disallow-do -target:netbsd_amd64 -no-entry-point
./odin check examples/all/sdl3 -vet -strict-style -disallow-do -target:netbsd_arm64 -no-entry-point
./odin test tests/core/normal.odin -file -all-packages -vet -strict-style -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
./odin test tests/core/speed.odin -file -all-packages -vet -strict-style -disallow-do -o:speed -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
./odin test tests/vendor -all-packages -vet -strict-style -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
./odin check examples/all -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -target:netbsd_amd64
./odin check examples/all -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -target:netbsd_arm64
./odin check examples/all/sdl3 -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -target:netbsd_amd64 -no-entry-point
./odin check examples/all/sdl3 -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -target:netbsd_arm64 -no-entry-point
./odin test tests/core/normal.odin -file -all-packages -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
./odin test tests/core/speed.odin -file -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -o:speed -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
./odin test tests/vendor -all-packages -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
(cd tests/issues; ./run.sh)
./odin check tests/benchmark -vet -strict-style -no-entry-point
@@ -63,11 +63,11 @@ jobs:
gmake -C vendor/stb/src
gmake -C vendor/cgltf/src
gmake -C vendor/miniaudio/src
./odin check examples/all -vet -strict-style -disallow-do -target:freebsd_amd64
./odin check examples/all/sdl3 -vet -strict-style -disallow-do -target:freebsd_amd64 -no-entry-point
./odin test tests/core/normal.odin -file -all-packages -vet -strict-style -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
./odin test tests/core/speed.odin -file -all-packages -vet -strict-style -disallow-do -o:speed -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
./odin test tests/vendor -all-packages -vet -strict-style -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
./odin check examples/all -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -target:freebsd_amd64
./odin check examples/all/sdl3 -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -target:freebsd_amd64 -no-entry-point
./odin test tests/core/normal.odin -file -all-packages -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
./odin test tests/core/speed.odin -file -all-packages -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -o:speed -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
./odin test tests/vendor -all-packages -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
(cd tests/issues; ./run.sh)
./odin check tests/benchmark -vet -strict-style -no-entry-point
ci:
@@ -123,17 +123,17 @@ jobs:
- name: Odin run -debug
run: ./odin run examples/demo -debug
- name: Odin check examples/all
run: ./odin check examples/all -strict-style -vet -disallow-do
run: ./odin check examples/all -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do
- name: Odin check examples/all/sdl3
run: ./odin check examples/all/sdl3 -strict-style -vet -disallow-do -no-entry-point
run: ./odin check examples/all/sdl3 -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -no-entry-point
- name: Normal Core library tests
run: ./odin test tests/core/normal.odin -file -all-packages -vet -strict-style -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -sanitize:address
run: ./odin test tests/core/normal.odin -file -all-packages -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -sanitize:address
- name: Optimized Core library tests
run: ./odin test tests/core/speed.odin -o:speed -file -all-packages -vet -strict-style -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -sanitize:address
run: ./odin test tests/core/speed.odin -o:speed -file -all-packages -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -sanitize:address
- name: Vendor library tests
run: ./odin test tests/vendor -all-packages -vet -strict-style -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -sanitize:address
run: ./odin test tests/vendor -all-packages -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -sanitize:address
- name: Internals tests
run: ./odin test tests/internal -all-packages -vet -strict-style -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -sanitize:address
run: ./odin test tests/internal -all-packages -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -sanitize:address
- name: GitHub Issue tests
run: |
cd tests/issues
@@ -141,43 +141,43 @@ jobs:
- name: Run demo on WASI WASM32
run: |
./odin build examples/demo -target:wasi_wasm32 -vet -strict-style -disallow-do -out:demo
./odin build examples/demo -target:wasi_wasm32 -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -out:demo
wasmtime ./demo.wasm
if: matrix.os == 'macos-14'
- name: Check benchmarks
run: ./odin check tests/benchmark -vet -strict-style -no-entry-point
run: ./odin check tests/benchmark -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -no-entry-point
- name: Odin check examples/all for Linux i386
if: matrix.os == 'ubuntu-latest'
run: ./odin check examples/all -vet -strict-style -disallow-do -target:linux_i386
run: ./odin check examples/all -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -target:linux_i386
- name: Odin check examples/all for Linux arm64
if: matrix.os == 'ubuntu-latest'
run: ./odin check examples/all -vet -strict-style -disallow-do -target:linux_arm64
run: ./odin check examples/all -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -target:linux_arm64
- name: Odin check examples/all for FreeBSD amd64
if: matrix.os == 'ubuntu-latest'
run: ./odin check examples/all -vet -strict-style -disallow-do -target:freebsd_amd64
run: ./odin check examples/all -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -target:freebsd_amd64
- name: Odin check examples/all for OpenBSD amd64
if: matrix.os == 'ubuntu-latest'
run: ./odin check examples/all -vet -strict-style -disallow-do -target:openbsd_amd64
run: ./odin check examples/all -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -target:openbsd_amd64
- name: Odin check examples/all for js_wasm32
if: matrix.os == 'ubuntu-latest'
run: ./odin check examples/all -vet -strict-style -disallow-do -no-entry-point -target:js_wasm32
run: ./odin check examples/all -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -no-entry-point -target:js_wasm32
- name: Odin check examples/all for js_wasm64p32
if: matrix.os == 'ubuntu-latest'
run: ./odin check examples/all -vet -strict-style -disallow-do -no-entry-point -target:js_wasm64p32
run: ./odin check examples/all -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -no-entry-point -target:js_wasm64p32
- name: Odin check examples/all/sdl3 for Linux i386
if: matrix.os == 'ubuntu-latest'
run: ./odin check examples/all/sdl3 -vet -strict-style -disallow-do -no-entry-point -target:linux_i386
run: ./odin check examples/all/sdl3 -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -no-entry-point -target:linux_i386
- name: Odin check examples/all/sdl3 for Linux arm64
if: matrix.os == 'ubuntu-latest'
run: ./odin check examples/all/sdl3 -vet -strict-style -disallow-do -no-entry-point -target:linux_arm64
run: ./odin check examples/all/sdl3 -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -no-entry-point -target:linux_arm64
- name: Odin check examples/all/sdl3 for FreeBSD amd64
if: matrix.os == 'ubuntu-latest'
run: ./odin check examples/all/sdl3 -vet -strict-style -disallow-do -no-entry-point -target:freebsd_amd64
run: ./odin check examples/all/sdl3 -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -no-entry-point -target:freebsd_amd64
- name: Odin check examples/all/sdl3 for OpenBSD amd64
if: matrix.os == 'ubuntu-latest'
run: ./odin check examples/all/sdl3 -vet -strict-style -disallow-do -no-entry-point -target:openbsd_amd64
run: ./odin check examples/all/sdl3 -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -no-entry-point -target:openbsd_amd64
build_windows:
name: Windows Build, Check, and Test
@@ -208,38 +208,38 @@ jobs:
shell: cmd
run: |
call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat
odin run examples/demo -debug -vet -strict-style -disallow-do
odin run examples/demo -debug -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do
- name: Odin check examples/all
shell: cmd
run: |
call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat
odin check examples/all -vet -strict-style -disallow-do
odin check examples/all -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do
- name: Odin check examples/all/sdl3
shell: cmd
run: |
call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat
odin check examples/all/sdl3 -vet -strict-style -disallow-do -no-entry-point
odin check examples/all/sdl3 -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -no-entry-point
- name: Core library tests
shell: cmd
run: |
call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat
odin test tests/core/normal.odin -file -all-packages -vet -strict-style -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -sanitize:address
odin test tests/core/normal.odin -file -all-packages -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -sanitize:address
- name: Optimized core library tests
shell: cmd
run: |
call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat
odin test tests/core/speed.odin -o:speed -file -all-packages -vet -strict-style -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -sanitize:address
odin test tests/core/speed.odin -o:speed -file -all-packages -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -sanitize:address
- name: Vendor library tests
shell: cmd
run: |
call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat
copy vendor\lua\5.4\windows\*.dll .
odin test tests/vendor -all-packages -vet -strict-style -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -sanitize:address
odin test tests/vendor -all-packages -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -sanitize:address
- name: Odin internals tests
shell: cmd
run: |
call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat
odin test tests/internal -all-packages -vet -strict-style -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -sanitize:address
odin test tests/internal -all-packages -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -sanitize:address
- name: Check issues
shell: cmd
run: |
@@ -293,25 +293,25 @@ jobs:
make -C vendor/miniaudio/src
- name: Odin check examples/all
run: ./odin check examples/all -target:linux_riscv64 -vet -strict-style -disallow-do
run: ./odin check examples/all -target:linux_riscv64 -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do
- name: Odin check examples/all/sdl3
run: ./odin check examples/all/sdl3 -target:linux_riscv64 -vet -strict-style -disallow-do -no-entry-point
run: ./odin check examples/all/sdl3 -target:linux_riscv64 -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -no-entry-point
- name: Install riscv64 toolchain and qemu
run: sudo apt-get install -y qemu-user qemu-user-static gcc-12-riscv64-linux-gnu libc6-riscv64-cross
- name: Odin run
run: ./odin run examples/demo -vet -strict-style -disallow-do -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static" -no-rpath
run: ./odin run examples/demo -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static" -no-rpath
- name: Odin run -debug
run: ./odin run examples/demo -debug -vet -strict-style -disallow-do -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static" -no-rpath
run: ./odin run examples/demo -debug -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static" -no-rpath
- name: Normal Core library tests
run: ./odin test tests/core/normal.odin -file -all-packages -vet -strict-style -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static" -no-rpath
run: ./odin test tests/core/normal.odin -file -all-packages -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static" -no-rpath
- name: Optimized Core library tests
run: ./odin test tests/core/speed.odin -o:speed -file -all-packages -vet -strict-style -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static" -no-rpath
run: ./odin test tests/core/speed.odin -o:speed -file -all-packages -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static" -no-rpath
- name: Internals tests
run: ./odin test tests/internal -all-packages -vet -strict-style -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static" -no-rpath
run: ./odin test tests/internal -all-packages -vet -vet-tabs -strict-style -vet-style -warnings-as-errors -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static" -no-rpath

View File

@@ -29,14 +29,10 @@ _create :: proc(procedure: Thread_Proc, priority: Thread_Priority) -> ^Thread {
t.id = sync.current_thread_id()
if .Started not_in sync.atomic_load(&t.flags) {
for (.Started not_in sync.atomic_load(&t.flags)) {
sync.wait(&t.start_ok)
}
if .Joined in sync.atomic_load(&t.flags) {
return nil
}
// Enable thread's cancelability.
// NOTE(laytan): Darwin does not correctly/fully support all of this, not doing this does
// actually make pthread_cancel work in the capacity of my tests, while executing this would
@@ -148,10 +144,13 @@ _join :: proc(t: ^Thread) {
// Prevent non-started threads from blocking main thread with initial wait
// condition.
if .Started not_in sync.atomic_load(&t.flags) {
for (.Started not_in sync.atomic_load(&t.flags)) {
_start(t)
}
posix.pthread_join(t.unix_thread, nil)
t.flags += {.Joined}
}
_join_multiple :: proc(threads: ..^Thread) {

View File

@@ -13,6 +13,7 @@ Thread_Os_Specific :: struct {
win32_thread: win32.HANDLE,
win32_thread_id: win32.DWORD,
mutex: sync.Mutex,
start_ok: sync.Sema,
}
_thread_priority_map := [Thread_Priority]i32{
@@ -27,8 +28,8 @@ _create :: proc(procedure: Thread_Proc, priority: Thread_Priority) -> ^Thread {
__windows_thread_entry_proc :: proc "system" (t_: rawptr) -> win32.DWORD {
t := (^Thread)(t_)
if .Joined in sync.atomic_load(&t.flags) {
return 0
for (.Started not_in sync.atomic_load(&t.flags)) {
sync.wait(&t.start_ok)
}
{
@@ -102,16 +103,15 @@ _join :: proc(t: ^Thread) {
return
}
t.flags += {.Joined}
if .Started not_in t.flags {
t.flags += {.Started}
win32.ResumeThread(t.win32_thread)
for (.Started not_in sync.atomic_load(&t.flags)) {
_start(t)
}
win32.WaitForSingleObject(t.win32_thread, win32.INFINITE)
win32.CloseHandle(t.win32_thread)
t.win32_thread = win32.INVALID_HANDLE
t.flags += {.Joined}
}
_join_multiple :: proc(threads: ..^Thread) {
@@ -135,6 +135,7 @@ _join_multiple :: proc(threads: ..^Thread) {
for t in threads {
win32.CloseHandle(t.win32_thread)
t.win32_thread = win32.INVALID_HANDLE
t.flags += {.Joined}
}
}

View File

@@ -60,26 +60,26 @@ test_temp_allocator_returns_correct_size :: proc(t: ^testing.T) {
@(test)
test_init_cap_map_dynarray :: proc(t: ^testing.T) {
m1 := make(map[int]string)
defer delete(m1)
testing.expect(t, cap(m1) == 0)
testing.expect(t, m1.allocator.procedure == context.allocator.procedure)
m1 := make(map[int]string)
defer delete(m1)
testing.expect(t, cap(m1) == 0)
testing.expect(t, m1.allocator.procedure == context.allocator.procedure)
ally := context.temp_allocator
m2 := make(map[int]string, ally)
defer delete(m2)
testing.expect(t, cap(m2) == 0)
testing.expect(t, m2.allocator.procedure == ally.procedure)
ally := context.temp_allocator
m2 := make(map[int]string, ally)
defer delete(m2)
testing.expect(t, cap(m2) == 0)
testing.expect(t, m2.allocator.procedure == ally.procedure)
d1 := make([dynamic]string)
defer delete(d1)
testing.expect(t, cap(d1) == 0)
testing.expect(t, d1.allocator.procedure == context.allocator.procedure)
d1 := make([dynamic]string)
defer delete(d1)
testing.expect(t, cap(d1) == 0)
testing.expect(t, d1.allocator.procedure == context.allocator.procedure)
d2 := make([dynamic]string, ally)
defer delete(d2)
testing.expect(t, cap(d2) == 0)
testing.expect(t, d2.allocator.procedure == ally.procedure)
d2 := make([dynamic]string, ally)
defer delete(d2)
testing.expect(t, cap(d2) == 0)
testing.expect(t, d2.allocator.procedure == ally.procedure)
}
@(test)

View File

@@ -564,7 +564,7 @@ test_try_select_raw_no_toctou :: proc(t: ^testing.T) {
trigger := (cast(^chan.Chan(any))(__global_context_for_test))^
// Notify the thief that we are paused so that it can steal the value.
_ = chan.send(trigger, "signal")
_ = chan.send(trigger, "signal")
// Wait for comfirmation of the burglary.
_, _ = chan.recv(trigger)