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authorFeoramund <161657516+Feoramund@users.noreply.github.com>2024-09-08 18:21:55 -0400
committerFeoramund <161657516+Feoramund@users.noreply.github.com>2024-09-09 16:19:15 -0400
commit45da0093774276223e3724a89e5b0a9f8ef7c9f7 (patch)
tree9c14a7ec1b03a2238153a6ee2dabd573dd31c6e4 /core/thread
parent4d14b4257e7570216826c5cbcee94aa51116e3b3 (diff)
Use more atomic handling of thread flags
This can prevent a data race on Linux with `Self_Cleanup`.
Diffstat (limited to 'core/thread')
-rw-r--r--core/thread/thread.odin12
-rw-r--r--core/thread/thread_windows.odin6
2 files changed, 9 insertions, 9 deletions
diff --git a/core/thread/thread.odin b/core/thread/thread.odin
index 17ba1a0a2..c1cbceb42 100644
--- a/core/thread/thread.odin
+++ b/core/thread/thread.odin
@@ -272,7 +272,7 @@ create_and_start :: proc(fn: proc(), init_context: Maybe(runtime.Context) = nil,
t := create(thread_proc, priority)
t.data = rawptr(fn)
if self_cleanup {
- t.flags += {.Self_Cleanup}
+ intrinsics.atomic_or(&t.flags, {.Self_Cleanup})
}
t.init_context = init_context
start(t)
@@ -307,7 +307,7 @@ create_and_start_with_data :: proc(data: rawptr, fn: proc(data: rawptr), init_co
t.user_index = 1
t.user_args[0] = data
if self_cleanup {
- t.flags += {.Self_Cleanup}
+ intrinsics.atomic_or(&t.flags, {.Self_Cleanup})
}
t.init_context = init_context
start(t)
@@ -347,7 +347,7 @@ create_and_start_with_poly_data :: proc(data: $T, fn: proc(data: T), init_contex
mem.copy(&t.user_args[0], &data, size_of(T))
if self_cleanup {
- t.flags += {.Self_Cleanup}
+ intrinsics.atomic_or(&t.flags, {.Self_Cleanup})
}
t.init_context = init_context
@@ -394,7 +394,7 @@ create_and_start_with_poly_data2 :: proc(arg1: $T1, arg2: $T2, fn: proc(T1, T2),
_ = copy(user_args[n:], mem.ptr_to_bytes(&arg2))
if self_cleanup {
- t.flags += {.Self_Cleanup}
+ intrinsics.atomic_or(&t.flags, {.Self_Cleanup})
}
t.init_context = init_context
@@ -443,7 +443,7 @@ create_and_start_with_poly_data3 :: proc(arg1: $T1, arg2: $T2, arg3: $T3, fn: pr
_ = copy(user_args[n:], mem.ptr_to_bytes(&arg3))
if self_cleanup {
- t.flags += {.Self_Cleanup}
+ intrinsics.atomic_or(&t.flags, {.Self_Cleanup})
}
t.init_context = init_context
@@ -494,7 +494,7 @@ create_and_start_with_poly_data4 :: proc(arg1: $T1, arg2: $T2, arg3: $T3, arg4:
_ = copy(user_args[n:], mem.ptr_to_bytes(&arg4))
if self_cleanup {
- t.flags += {.Self_Cleanup}
+ intrinsics.atomic_or(&t.flags, {.Self_Cleanup})
}
t.init_context = init_context
diff --git a/core/thread/thread_windows.odin b/core/thread/thread_windows.odin
index 50a4e5fbc..22c3eae65 100644
--- a/core/thread/thread_windows.odin
+++ b/core/thread/thread_windows.odin
@@ -27,7 +27,7 @@ _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 t.flags {
+ if .Joined in sync.atomic_load(&t.flags) {
return 0
}
@@ -48,9 +48,9 @@ _create :: proc(procedure: Thread_Proc, priority: Thread_Priority) -> ^Thread {
t.procedure(t)
}
- intrinsics.atomic_store(&t.flags, t.flags + {.Done})
+ intrinsics.atomic_or(&t.flags, {.Done})
- if .Self_Cleanup in t.flags {
+ if .Self_Cleanup in sync.atomic_load(&t.flags) {
win32.CloseHandle(t.win32_thread)
t.win32_thread = win32.INVALID_HANDLE
// NOTE(ftphikari): It doesn't matter which context 'free' received, right?