[core:thread] Added self_cleanup flag to properly auto-clean threads

This commit is contained in:
hikari
2023-06-07 19:11:16 +03:00
parent 7dc09ed450
commit dcf4e51787
4 changed files with 41 additions and 102 deletions

View File

@@ -38,7 +38,7 @@ Thread :: struct {
IMPORTANT:
By default, the thread proc will get the same context as `main()` gets.
In this sitation, the thread will get a new temporary allocator which will be cleaned up when the thread dies.
In this situation, the thread will get a new temporary allocator which will be cleaned up when the thread dies.
***This does NOT happen when you set `init_context`.***
This means that if you set `init_context`, but still have the `temp_allocator` field set to the default temp allocator,
then you'll need to call `runtime.default_temp_allocator_destroy(auto_cast the_thread.init_context.temp_allocator.data)` manually,
@@ -47,6 +47,8 @@ Thread :: struct {
*/
init_context: Maybe(runtime.Context),
// Indicates whether the thread will free itself when it completes
self_cleanup: bool,
creation_allocator: mem.Allocator,
}
@@ -101,125 +103,46 @@ yield :: proc() {
run :: proc(fn: proc(), init_context: Maybe(runtime.Context) = nil, priority := Thread_Priority.Normal) {
thread_proc :: proc(t: ^Thread) {
fn := cast(proc())t.data
fn()
destroy(t)
}
t := create(thread_proc, priority)
t.data = rawptr(fn)
t.init_context = init_context
start(t)
create_and_start(fn, init_context, priority, true)
}
run_with_data :: proc(data: rawptr, fn: proc(data: rawptr), init_context: Maybe(runtime.Context) = nil, priority := Thread_Priority.Normal) {
thread_proc :: proc(t: ^Thread) {
fn := cast(proc(rawptr))t.data
assert(t.user_index >= 1)
data := t.user_args[0]
fn(data)
destroy(t)
}
t := create(thread_proc, priority)
t.data = rawptr(fn)
t.user_index = 1
t.user_args = data
t.init_context = init_context
start(t)
create_and_start_with_data(data, fn, init_context, priority, true)
}
run_with_poly_data :: proc(data: $T, fn: proc(data: T), init_context: Maybe(runtime.Context) = nil, priority := Thread_Priority.Normal)
where size_of(T) <= size_of(rawptr) {
thread_proc :: proc(t: ^Thread) {
fn := cast(proc(T))t.data
assert(t.user_index >= 1)
data := (^T)(&t.user_args[0])^
fn(data)
destroy(t)
}
t := create(thread_proc, priority)
t.data = rawptr(fn)
t.user_index = 1
data := data
mem.copy(&t.user_args[0], &data, size_of(data))
t.init_context = init_context
start(t)
create_and_start_with_poly_data(data, fn, init_context, priority, true)
}
run_with_poly_data2 :: proc(arg1: $T1, arg2: $T2, fn: proc(T1, T2), init_context: Maybe(runtime.Context) = nil, priority := Thread_Priority.Normal)
where size_of(T1) <= size_of(rawptr),
size_of(T2) <= size_of(rawptr) {
thread_proc :: proc(t: ^Thread) {
fn := cast(proc(T1, T2))t.data
assert(t.user_index >= 2)
arg1 := (^T1)(&t.user_args[0])^
arg2 := (^T2)(&t.user_args[1])^
fn(arg1, arg2)
destroy(t)
}
t := create(thread_proc, priority)
t.data = rawptr(fn)
t.user_index = 2
arg1, arg2 := arg1, arg2
mem.copy(&t.user_args[0], &arg1, size_of(arg1))
mem.copy(&t.user_args[1], &arg2, size_of(arg2))
t.init_context = init_context
start(t)
create_and_start_with_poly_data2(arg1, arg2, fn, init_context, priority, true)
}
run_with_poly_data3 :: proc(arg1: $T1, arg2: $T2, arg3: $T3, fn: proc(arg1: T1, arg2: T2, arg3: T3), init_context: Maybe(runtime.Context) = nil, priority := Thread_Priority.Normal)
where size_of(T1) <= size_of(rawptr),
size_of(T2) <= size_of(rawptr),
size_of(T3) <= size_of(rawptr) {
thread_proc :: proc(t: ^Thread) {
fn := cast(proc(T1, T2, T3))t.data
assert(t.user_index >= 3)
arg1 := (^T1)(&t.user_args[0])^
arg2 := (^T2)(&t.user_args[1])^
arg3 := (^T3)(&t.user_args[2])^
fn(arg1, arg2, arg3)
destroy(t)
}
t := create(thread_proc, priority)
t.data = rawptr(fn)
t.user_index = 3
arg1, arg2, arg3 := arg1, arg2, arg3
mem.copy(&t.user_args[0], &arg1, size_of(arg1))
mem.copy(&t.user_args[1], &arg2, size_of(arg2))
mem.copy(&t.user_args[2], &arg3, size_of(arg3))
t.init_context = init_context
start(t)
create_and_start_with_poly_data3(arg1, arg2, arg3, fn, init_context, priority, true)
}
run_with_poly_data4 :: proc(arg1: $T1, arg2: $T2, arg3: $T3, arg4: $T4, fn: proc(arg1: T1, arg2: T2, arg3: T3, arg4: T4), init_context: Maybe(runtime.Context) = nil, priority := Thread_Priority.Normal)
where size_of(T1) <= size_of(rawptr),
size_of(T2) <= size_of(rawptr),
size_of(T3) <= size_of(rawptr) {
thread_proc :: proc(t: ^Thread) {
fn := cast(proc(T1, T2, T3, T4))t.data
assert(t.user_index >= 4)
arg1 := (^T1)(&t.user_args[0])^
arg2 := (^T2)(&t.user_args[1])^
arg3 := (^T3)(&t.user_args[2])^
arg4 := (^T4)(&t.user_args[3])^
fn(arg1, arg2, arg3, arg4)
destroy(t)
}
t := create(thread_proc, priority)
t.data = rawptr(fn)
t.user_index = 4
arg1, arg2, arg3, arg4 := arg1, arg2, arg3, arg4
mem.copy(&t.user_args[0], &arg1, size_of(arg1))
mem.copy(&t.user_args[1], &arg2, size_of(arg2))
mem.copy(&t.user_args[2], &arg3, size_of(arg3))
mem.copy(&t.user_args[3], &arg4, size_of(arg4))
t.init_context = init_context
start(t)
create_and_start_with_poly_data4(arg1, arg2, arg3, arg4, fn, init_context, priority, true)
}
create_and_start :: proc(fn: Thread_Proc, init_context: Maybe(runtime.Context) = nil, priority := Thread_Priority.Normal) -> ^Thread {
t := create(fn, priority)
create_and_start :: proc(fn: proc(), init_context: Maybe(runtime.Context) = nil, priority := Thread_Priority.Normal, self_cleanup := false) -> ^Thread {
thread_proc :: proc(t: ^Thread) {
fn := cast(proc())t.data
fn()
}
t := create(thread_proc, priority)
t.data = rawptr(fn)
t.self_cleanup = self_cleanup
t.init_context = init_context
start(t)
return t
@@ -228,7 +151,7 @@ create_and_start :: proc(fn: Thread_Proc, init_context: Maybe(runtime.Context) =
create_and_start_with_data :: proc(data: rawptr, fn: proc(data: rawptr), init_context: Maybe(runtime.Context) = nil, priority := Thread_Priority.Normal) -> ^Thread {
create_and_start_with_data :: proc(data: rawptr, fn: proc(data: rawptr), init_context: Maybe(runtime.Context) = nil, priority := Thread_Priority.Normal, self_cleanup := false) -> ^Thread {
thread_proc :: proc(t: ^Thread) {
fn := cast(proc(rawptr))t.data
assert(t.user_index >= 1)
@@ -239,12 +162,13 @@ create_and_start_with_data :: proc(data: rawptr, fn: proc(data: rawptr), init_co
t.data = rawptr(fn)
t.user_index = 1
t.user_args = data
t.self_cleanup = self_cleanup
t.init_context = init_context
start(t)
return t
}
create_and_start_with_poly_data :: proc(data: $T, fn: proc(data: T), init_context: Maybe(runtime.Context) = nil, priority := Thread_Priority.Normal) -> ^Thread
create_and_start_with_poly_data :: proc(data: $T, fn: proc(data: T), init_context: Maybe(runtime.Context) = nil, priority := Thread_Priority.Normal, self_cleanup := false) -> ^Thread
where size_of(T) <= size_of(rawptr) {
thread_proc :: proc(t: ^Thread) {
fn := cast(proc(T))t.data
@@ -257,12 +181,13 @@ create_and_start_with_poly_data :: proc(data: $T, fn: proc(data: T), init_contex
t.user_index = 1
data := data
mem.copy(&t.user_args[0], &data, size_of(data))
t.self_cleanup = self_cleanup
t.init_context = init_context
start(t)
return t
}
create_and_start_with_poly_data2 :: proc(arg1: $T1, arg2: $T2, fn: proc(T1, T2), init_context: Maybe(runtime.Context) = nil, priority := Thread_Priority.Normal) -> ^Thread
create_and_start_with_poly_data2 :: proc(arg1: $T1, arg2: $T2, fn: proc(T1, T2), init_context: Maybe(runtime.Context) = nil, priority := Thread_Priority.Normal, self_cleanup := false) -> ^Thread
where size_of(T1) <= size_of(rawptr),
size_of(T2) <= size_of(rawptr) {
thread_proc :: proc(t: ^Thread) {
@@ -278,12 +203,13 @@ create_and_start_with_poly_data2 :: proc(arg1: $T1, arg2: $T2, fn: proc(T1, T2),
arg1, arg2 := arg1, arg2
mem.copy(&t.user_args[0], &arg1, size_of(arg1))
mem.copy(&t.user_args[1], &arg2, size_of(arg2))
t.self_cleanup = self_cleanup
t.init_context = init_context
start(t)
return t
}
create_and_start_with_poly_data3 :: proc(arg1: $T1, arg2: $T2, arg3: $T3, fn: proc(arg1: T1, arg2: T2, arg3: T3), init_context: Maybe(runtime.Context) = nil, priority := Thread_Priority.Normal) -> ^Thread
create_and_start_with_poly_data3 :: proc(arg1: $T1, arg2: $T2, arg3: $T3, fn: proc(arg1: T1, arg2: T2, arg3: T3), init_context: Maybe(runtime.Context) = nil, priority := Thread_Priority.Normal, self_cleanup := false) -> ^Thread
where size_of(T1) <= size_of(rawptr),
size_of(T2) <= size_of(rawptr),
size_of(T3) <= size_of(rawptr) {
@@ -302,11 +228,12 @@ create_and_start_with_poly_data3 :: proc(arg1: $T1, arg2: $T2, arg3: $T3, fn: pr
mem.copy(&t.user_args[0], &arg1, size_of(arg1))
mem.copy(&t.user_args[1], &arg2, size_of(arg2))
mem.copy(&t.user_args[2], &arg3, size_of(arg3))
t.self_cleanup = self_cleanup
t.init_context = init_context
start(t)
return t
}
create_and_start_with_poly_data4 :: proc(arg1: $T1, arg2: $T2, arg3: $T3, arg4: $T4, fn: proc(arg1: T1, arg2: T2, arg3: T3, arg4: T4), init_context: Maybe(runtime.Context) = nil, priority := Thread_Priority.Normal) -> ^Thread
create_and_start_with_poly_data4 :: proc(arg1: $T1, arg2: $T2, arg3: $T3, arg4: $T4, fn: proc(arg1: T1, arg2: T2, arg3: T3, arg4: T4), init_context: Maybe(runtime.Context) = nil, priority := Thread_Priority.Normal, self_cleanup := false) -> ^Thread
where size_of(T1) <= size_of(rawptr),
size_of(T2) <= size_of(rawptr),
size_of(T3) <= size_of(rawptr) {
@@ -327,6 +254,7 @@ create_and_start_with_poly_data4 :: proc(arg1: $T1, arg2: $T2, arg3: $T3, arg4:
mem.copy(&t.user_args[1], &arg2, size_of(arg2))
mem.copy(&t.user_args[2], &arg3, size_of(arg3))
mem.copy(&t.user_args[3], &arg4, size_of(arg4))
t.self_cleanup = self_cleanup
t.init_context = init_context
start(t)
return t
@@ -360,4 +288,4 @@ _maybe_destroy_default_temp_allocator :: proc(init_context: Maybe(runtime.Contex
if context.temp_allocator.procedure == runtime.default_temp_allocator_proc {
runtime.default_temp_allocator_destroy(auto_cast context.temp_allocator.data)
}
}
}

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@@ -67,6 +67,11 @@ _create :: proc(procedure: Thread_Proc, priority: Thread_Priority) -> ^Thread {
sync.unlock(&t.mutex)
if t.self_cleanup {
t.unix_thread = {}
free(t, t.creation_allocator)
}
return nil
}

View File

@@ -47,6 +47,12 @@ _create :: proc(procedure: Thread_Proc, priority: Thread_Priority) -> ^Thread {
intrinsics.atomic_store(&t.flags, t.flags + {.Done})
if t.self_cleanup {
win32.CloseHandle(t.win32_thread)
t.win32_thread = win32.INVALID_HANDLE
free(t, t.creation_allocator)
}
return 0
}

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@@ -290,7 +290,7 @@ _bad_test_found: bool
@(private="file")
_spawn_pipe_reader :: proc() {
thread.create_and_start(proc(^thread.Thread) {
thread.run(proc() {
stream := os.stream_from_handle(_read_pipe)
reader := io.to_reader(stream)
sync.post(&_pipe_reader_semaphore) // notify thread is ready
@@ -467,4 +467,4 @@ main :: proc() {
run_test_suite :: proc() -> bool {
return libc.system(fmt.caprintf("%v run verify", g_path_to_odin)) == 0
}
}