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[std/tasks]add gcsafe pragmas (#17799)

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* [std/tasks]add gcsafe pragmas

* Update tasks.nim
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flywind 2021-04-21 11:05:16 +08:00 • committed by GitHub
commit 603af22b7c
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1 changed files with 4 additions and 4 deletions
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8
lib/std/tasks.nim
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@ -59,7 +59,7 @@ when compileOption("threads"):
type type
Task* = object ## `Task` contains the callback and its arguments. Task* = object ## `Task` contains the callback and its arguments.
callback: proc (args: pointer) {.nimcall.} callback: proc (args: pointer) {.nimcall, gcsafe.}
args: pointer args: pointer
destroy: proc (args: pointer) {.nimcall.} destroy: proc (args: pointer) {.nimcall.}
@ -73,7 +73,7 @@ proc `=destroy`*(t: var Task) {.inline.} =
t.destroy(t.args) t.destroy(t.args)
c_free(t.args) c_free(t.args)
proc invoke*(task: Task) {.inline.} = proc invoke*(task: Task) {.inline, gcsafe.} =
## Invokes the `task`. ## Invokes the `task`.
assert task.callback != nil assert task.callback != nil
task.callback(task.args) task.callback(task.args)
@ -215,7 +215,7 @@ macro toTask*(e: typed{nkCall | nkInfix | nkPrefix | nkPostfix | nkCommand | nkC
result = quote do: result = quote do:
`stmtList` `stmtList`
proc `funcName`(args: pointer) {.nimcall.} = proc `funcName`(args: pointer) {.gcsafe, nimcall.} =
let `objTemp` = cast[ptr `scratchObjType`](args) let `objTemp` = cast[ptr `scratchObjType`](args)
`functionStmtList` `functionStmtList`
@ -229,7 +229,7 @@ macro toTask*(e: typed{nkCall | nkInfix | nkPrefix | nkPostfix | nkCommand | nkC
let funcName = genSym(nskProc, e[0].strVal) let funcName = genSym(nskProc, e[0].strVal)
result = quote do: result = quote do:
proc `funcName`(args: pointer) {.nimcall.} = proc `funcName`(args: pointer) {.gcsafe, nimcall.} =
`funcCall` `funcCall`
Task(callback: `funcName`, args: nil) Task(callback: `funcName`, args: nil)