Piotr Caban : msvcp110: Add _Lock_shared_ptr_spin_lock implementation.

Alexandre Julliard julliard at winehq.org
Thu Jul 20 12:11:27 CDT 2017


Module: wine
Branch: stable
Commit: 5fe13b40d9e9903c88f72e3e8f37128f9d411ec7
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=5fe13b40d9e9903c88f72e3e8f37128f9d411ec7

Author: Piotr Caban <piotr at codeweavers.com>
Date:   Tue Feb 28 11:21:00 2017 +0100

msvcp110: Add _Lock_shared_ptr_spin_lock implementation.

Signed-off-by: Piotr Caban <piotr at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
(cherry picked from commit 3b9e9dd06a1c3b89c90d565e82f92eba1bea821e)
Signed-off-by: Michael Stefaniuc <mstefani at winehq.org>

---

 dlls/msvcp110/msvcp110.spec         |  4 ++--
 dlls/msvcp120/msvcp120.spec         |  4 ++--
 dlls/msvcp120_app/msvcp120_app.spec |  4 ++--
 dlls/msvcp140/msvcp140.spec         |  4 ++--
 dlls/msvcp90/misc.c                 | 21 +++++++++++++++++++++
 5 files changed, 29 insertions(+), 8 deletions(-)

diff --git a/dlls/msvcp110/msvcp110.spec b/dlls/msvcp110/msvcp110.spec
index b09a1d4..a7c3297 100644
--- a/dlls/msvcp110/msvcp110.spec
+++ b/dlls/msvcp110/msvcp110.spec
@@ -3815,7 +3815,7 @@
 @ stub _LXp_sqrtx
 @ stub _LXp_subx
 @ extern _LZero
-@ stub _Lock_shared_ptr_spin_lock
+@ cdecl _Lock_shared_ptr_spin_lock()
 @ cdecl _Mbrtowc(ptr ptr long ptr ptr)
 @ stub _Mtx_clear_owner
 @ cdecl _Mtx_current_owns(ptr)
@@ -3874,7 +3874,7 @@
 @ stub _Tss_delete
 @ stub _Tss_get
 @ stub _Tss_set
-@ stub _Unlock_shared_ptr_spin_lock
+@ cdecl _Unlock_shared_ptr_spin_lock()
 @ cdecl _Wcrtomb(ptr long ptr ptr)
 @ cdecl _Wcscoll(ptr ptr ptr ptr ptr)
 @ stub _Wcsxfrm
diff --git a/dlls/msvcp120/msvcp120.spec b/dlls/msvcp120/msvcp120.spec
index 863ead9..61d4b32 100644
--- a/dlls/msvcp120/msvcp120.spec
+++ b/dlls/msvcp120/msvcp120.spec
@@ -3760,7 +3760,7 @@
 @ stub _LXp_sqrtx
 @ stub _LXp_subx
 @ extern _LZero
-@ stub _Lock_shared_ptr_spin_lock
+@ cdecl _Lock_shared_ptr_spin_lock()
 @ cdecl _Mbrtowc(ptr ptr long ptr ptr)
 @ stub _Mtx_clear_owner
 @ cdecl _Mtx_current_owns(ptr)
@@ -3821,7 +3821,7 @@
 @ stub _Tss_delete
 @ stub _Tss_get
 @ stub _Tss_set
-@ stub _Unlock_shared_ptr_spin_lock
+@ cdecl _Unlock_shared_ptr_spin_lock()
 @ cdecl _Wcrtomb(ptr long ptr ptr)
 @ cdecl _Wcscoll(ptr ptr ptr ptr ptr)
 @ stub _Wcsxfrm
diff --git a/dlls/msvcp120_app/msvcp120_app.spec b/dlls/msvcp120_app/msvcp120_app.spec
index 438cddb..f649bbc 100644
--- a/dlls/msvcp120_app/msvcp120_app.spec
+++ b/dlls/msvcp120_app/msvcp120_app.spec
@@ -3760,7 +3760,7 @@
 @ stub _LXp_sqrtx
 @ stub _LXp_subx
 @ extern _LZero msvcp120._LZero
-@ stub _Lock_shared_ptr_spin_lock
+@ cdecl _Lock_shared_ptr_spin_lock() msvcp120._Lock_shared_ptr_spin_lock
 @ cdecl _Mbrtowc(ptr ptr long ptr ptr) msvcp120._Mbrtowc
 @ stub _Mtx_clear_owner
 @ cdecl _Mtx_current_owns(ptr) msvcp120._Mtx_current_owns
@@ -3821,7 +3821,7 @@
 @ stub _Tss_delete
 @ stub _Tss_get
 @ stub _Tss_set
-@ stub _Unlock_shared_ptr_spin_lock
+@ cdecl _Unlock_shared_ptr_spin_lock() msvcp120._Unlock_shared_ptr_spin_lock
 @ cdecl _Wcrtomb(ptr long ptr ptr) msvcp120._Wcrtomb
 @ cdecl _Wcscoll(ptr ptr ptr ptr ptr) msvcp120._Wcscoll
 @ stub _Wcsxfrm
diff --git a/dlls/msvcp140/msvcp140.spec b/dlls/msvcp140/msvcp140.spec
index fb3d709..9ad393d 100644
--- a/dlls/msvcp140/msvcp140.spec
+++ b/dlls/msvcp140/msvcp140.spec
@@ -3668,7 +3668,7 @@
 @ extern _LSnan _LSnan
 @ stub _Last_write_time
 @ stub _Link
-@ stub _Lock_shared_ptr_spin_lock
+@ cdecl _Lock_shared_ptr_spin_lock()
 @ stub _Lstat
 @ stub _Make_dir
 @ cdecl _Mbrtowc(ptr ptr long ptr ptr) _Mbrtowc
@@ -3738,7 +3738,7 @@
 @ cdecl _Towlower(long ptr) _Towlower
 @ cdecl _Towupper(long ptr) _Towupper
 @ stub _Unlink
-@ stub _Unlock_shared_ptr_spin_lock
+@ cdecl _Unlock_shared_ptr_spin_lock()
 @ stub _WStod
 @ stub _WStodx
 @ stub _WStof
diff --git a/dlls/msvcp90/misc.c b/dlls/msvcp90/misc.c
index ce9a4e2..703ed9f 100644
--- a/dlls/msvcp90/misc.c
+++ b/dlls/msvcp90/misc.c
@@ -1339,3 +1339,24 @@ void __cdecl threads__Mtx_unlock(void *mtx)
 {
     LeaveCriticalSection(mtx);
 }
+
+#if _MSVCP_VER >= 110
+static LONG shared_ptr_lock;
+
+void __cdecl _Lock_shared_ptr_spin_lock(void)
+{
+    LONG l = 0;
+
+    while(InterlockedCompareExchange(&shared_ptr_lock, 1, 0) != 0) {
+        if(l++ == 1000) {
+            Sleep(0);
+            l = 0;
+        }
+    }
+}
+
+void __cdecl _Unlock_shared_ptr_spin_lock(void)
+{
+    shared_ptr_lock = 0;
+}
+#endif




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