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| author | Ivan Bobev <bobeff@gmail.com> | 2021-07-09 03:26:49 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-07-08 20:26:49 -0400 |
| commit | 86f5a56fcdbdbd4748c979e6f517d8dfc64857f7 (patch) | |
| tree | 438b5f8c9f9fbf4eaea2fcf4ee3854f94464e2dc /lib | |
| parent | 0e44d137f97a8206af1f2747391615e2f237f000 (diff) | |
| download | Nim-86f5a56fcdbdbd4748c979e6f517d8dfc64857f7.tar.gz | |
Fix a bug with starting of asynchronous processes (#18464)
The asynchronous process completion handler callback should be called only once. This is achieved by passing `WT_EXECUTEONLYONCE` flag to the `registerWaitForSingleObject` Windows API procedure. Related to cheatfate/asynctools#35
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/pure/asyncdispatch.nim | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/pure/asyncdispatch.nim b/lib/pure/asyncdispatch.nim index 17fd5f824..d98ca77df 100644 --- a/lib/pure/asyncdispatch.nim +++ b/lib/pure/asyncdispatch.nim @@ -1022,7 +1022,7 @@ when defined(windows) or defined(nimdoc): raiseOSError(osLastError()) var pcd = cast[PostCallbackDataPtr](allocShared0(sizeof(PostCallbackData))) - var flags = WT_EXECUTEINWAITTHREAD.DWORD + var flags = WT_EXECUTEINWAITTHREAD.DWORD or WT_EXECUTEONLYONCE.DWORD proc proccb(fd: AsyncFD, bytesCount: DWORD, errcode: OSErrorCode) = closeWaitable(hProcess) |