Sebastian Lackner : ntdll: Implement TpSetPoolMinThreads.
Alexandre Julliard
julliard at wine.codeweavers.com
Wed Jul 1 09:06:23 CDT 2015
Module: wine
Branch: master
Commit: 7d9ec31e19029b726767dafaad25922eb1ad2564
URL: http://source.winehq.org/git/wine.git/?a=commit;h=7d9ec31e19029b726767dafaad25922eb1ad2564
Author: Sebastian Lackner <sebastian at fds-team.de>
Date: Wed Jul 1 02:56:26 2015 +0200
ntdll: Implement TpSetPoolMinThreads.
---
dlls/ntdll/ntdll.spec | 1 +
dlls/ntdll/threadpool.c | 35 +++++++++++++++++++++++++++++++++++
2 files changed, 36 insertions(+)
diff --git a/dlls/ntdll/ntdll.spec b/dlls/ntdll/ntdll.spec
index f023443..94194d6 100644
--- a/dlls/ntdll/ntdll.spec
+++ b/dlls/ntdll/ntdll.spec
@@ -973,6 +973,7 @@
@ stdcall TpAllocPool(ptr ptr)
@ stdcall TpReleasePool(ptr)
@ stdcall TpSetPoolMaxThreads(ptr long)
+@ stdcall TpSetPoolMinThreads(ptr long)
@ stdcall TpSimpleTryPost(ptr ptr ptr)
@ stdcall -ret64 VerSetConditionMask(int64 long long)
@ stdcall WinSqmIsOptedIn()
diff --git a/dlls/ntdll/threadpool.c b/dlls/ntdll/threadpool.c
index 19f288a..6025633 100644
--- a/dlls/ntdll/threadpool.c
+++ b/dlls/ntdll/threadpool.c
@@ -1481,6 +1481,41 @@ VOID WINAPI TpSetPoolMaxThreads( TP_POOL *pool, DWORD maximum )
}
/***********************************************************************
+ * TpSetPoolMinThreads (NTDLL.@)
+ */
+BOOL WINAPI TpSetPoolMinThreads( TP_POOL *pool, DWORD minimum )
+{
+ struct threadpool *this = impl_from_TP_POOL( pool );
+ NTSTATUS status = STATUS_SUCCESS;
+
+ TRACE( "%p %u\n", pool, minimum );
+
+ RtlEnterCriticalSection( &this->cs );
+
+ while (this->num_workers < minimum)
+ {
+ HANDLE thread;
+ status = RtlCreateUserThread( GetCurrentProcess(), NULL, FALSE, NULL, 0, 0,
+ threadpool_worker_proc, this, &thread, NULL );
+ if (status != STATUS_SUCCESS)
+ break;
+
+ interlocked_inc( &this->refcount );
+ this->num_workers++;
+ NtClose( thread );
+ }
+
+ if (status == STATUS_SUCCESS)
+ {
+ this->min_workers = minimum;
+ this->max_workers = max( this->min_workers, this->max_workers );
+ }
+
+ RtlLeaveCriticalSection( &this->cs );
+ return !status;
+}
+
+/***********************************************************************
* TpSimpleTryPost (NTDLL.@)
*/
NTSTATUS WINAPI TpSimpleTryPost( PTP_SIMPLE_CALLBACK callback, PVOID userdata,
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