mirror of
https://github.com/odin-lang/Odin.git
synced 2026-05-25 05:09:53 +00:00
removed Haiku from core:sync, and core:thread
Signed-off-by: Ignacy Koper <ignacy423@gmail.com>
This commit is contained in:
@@ -1,164 +0,0 @@
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#+private
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package sync
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import "core:sys/haiku"
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import "core:sys/posix"
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import "core:time"
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@(private="file")
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Wait_Node :: struct {
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thread: posix.pthread_t,
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futex: ^Futex,
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prev, next: ^Wait_Node,
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}
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@(private="file")
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atomic_flag :: distinct bool
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@(private="file")
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Wait_Queue :: struct {
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lock: atomic_flag,
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list: Wait_Node,
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}
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@(private="file")
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waitq_lock :: proc "contextless" (waitq: ^Wait_Queue) {
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for cast(bool)atomic_exchange_explicit(&waitq.lock, atomic_flag(true), .Acquire) {
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cpu_relax() // spin...
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}
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}
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@(private="file")
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waitq_unlock :: proc "contextless" (waitq: ^Wait_Queue) {
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atomic_store_explicit(&waitq.lock, atomic_flag(false), .Release)
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}
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// FIXME: This approach may scale badly in the future,
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// possible solution - hash map (leads to deadlocks now).
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@(private="file")
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g_waitq: Wait_Queue
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@(init, private="file")
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g_waitq_init :: proc() {
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g_waitq = {
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list = {
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prev = &g_waitq.list,
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next = &g_waitq.list,
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},
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}
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}
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@(private="file")
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get_waitq :: #force_inline proc "contextless" (f: ^Futex) -> ^Wait_Queue {
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_ = f
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return &g_waitq
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}
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_futex_wait :: proc "contextless" (f: ^Futex, expect: u32) -> (ok: bool) {
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waitq := get_waitq(f)
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waitq_lock(waitq)
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defer waitq_unlock(waitq)
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head := &waitq.list
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waiter := Wait_Node{
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thread = posix.pthread_self(),
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futex = f,
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prev = head,
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next = head.next,
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}
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waiter.prev.next = &waiter
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waiter.next.prev = &waiter
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old_mask, mask: posix.sigset_t
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posix.sigemptyset(&mask)
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posix.sigaddset(&mask, .SIGCONT)
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posix.pthread_sigmask(.BLOCK, &mask, &old_mask)
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if u32(atomic_load_explicit(f, .Acquire)) == expect {
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waitq_unlock(waitq)
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defer waitq_lock(waitq)
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sig: posix.Signal
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errno := posix.sigwait(&mask, &sig)
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ok = errno == nil
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}
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waiter.prev.next = waiter.next
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waiter.next.prev = waiter.prev
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_ = posix.pthread_sigmask(.SETMASK, &old_mask, nil)
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// FIXME: Add error handling!
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return
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}
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_futex_wait_with_timeout :: proc "contextless" (f: ^Futex, expect: u32, duration: time.Duration) -> (ok: bool) {
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if duration <= 0 {
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return false
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}
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waitq := get_waitq(f)
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waitq_lock(waitq)
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defer waitq_unlock(waitq)
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head := &waitq.list
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waiter := Wait_Node{
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thread = posix.pthread_self(),
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futex = f,
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prev = head,
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next = head.next,
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}
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waiter.prev.next = &waiter
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waiter.next.prev = &waiter
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old_mask, mask: posix.sigset_t
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posix.sigemptyset(&mask)
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posix.sigaddset(&mask, .SIGCONT)
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posix.pthread_sigmask(.BLOCK, &mask, &old_mask)
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if u32(atomic_load_explicit(f, .Acquire)) == expect {
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waitq_unlock(waitq)
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defer waitq_lock(waitq)
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info: posix.siginfo_t
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ts := posix.timespec{
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tv_sec = posix.time_t(i64(duration / 1e9)),
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tv_nsec = i64(duration % 1e9),
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}
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haiku.sigtimedwait(&mask, &info, &ts)
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errno := posix.errno()
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ok = errno == .EAGAIN || errno == nil
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}
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waiter.prev.next = waiter.next
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waiter.next.prev = waiter.prev
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posix.pthread_sigmask(.SETMASK, &old_mask, nil)
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// FIXME: Add error handling!
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return
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}
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_futex_signal :: proc "contextless" (f: ^Futex) {
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waitq := get_waitq(f)
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waitq_lock(waitq)
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defer waitq_unlock(waitq)
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head := &waitq.list
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for waiter := head.next; waiter != head; waiter = waiter.next {
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if waiter.futex == f {
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posix.pthread_kill(waiter.thread, .SIGCONT)
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break
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}
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}
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}
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_futex_broadcast :: proc "contextless" (f: ^Futex) {
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waitq := get_waitq(f)
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waitq_lock(waitq)
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defer waitq_unlock(waitq)
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head := &waitq.list
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for waiter := head.next; waiter != head; waiter = waiter.next {
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if waiter.futex == f {
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posix.pthread_kill(waiter.thread, .SIGCONT)
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}
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}
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}
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@@ -1,8 +0,0 @@
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#+private
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package sync
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import "core:sys/haiku"
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_current_thread_id :: proc "contextless" () -> int {
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return int(haiku.find_thread(nil))
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}
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@@ -1,4 +1,4 @@
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#+build linux, darwin, freebsd, openbsd, netbsd, haiku
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#+build linux, darwin, freebsd, openbsd, netbsd
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#+private
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package thread
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@@ -83,7 +83,7 @@ _create :: proc(procedure: Thread_Proc, priority: Thread_Priority) -> ^Thread {
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// NOTE(tetra, 2019-11-01): These only fail if their argument is invalid.
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res = posix.pthread_attr_setdetachstate(&attrs, .CREATE_JOINABLE)
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assert(res == nil)
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when ODIN_OS != .Haiku && ODIN_OS != .NetBSD {
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when ODIN_OS != .NetBSD {
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res = posix.pthread_attr_setinheritsched(&attrs, .EXPLICIT_SCHED)
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assert(res == nil)
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}
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@@ -96,7 +96,7 @@ _create :: proc(procedure: Thread_Proc, priority: Thread_Priority) -> ^Thread {
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// Set thread priority.
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policy: posix.Sched_Policy
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when ODIN_OS != .Haiku && ODIN_OS != .NetBSD {
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when ODIN_OS != .NetBSD {
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res = posix.pthread_attr_getschedpolicy(&attrs, &policy)
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assert(res == nil)
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}
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