Sebastian Lackner : vcomp: Implement _vcomp_enter_critsect and _vcomp_leave_critsect.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: b0e4fd05e57100ce8d2275560eefb9a9d83ccef9
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=b0e4fd05e57100ce8d2275560eefb9a9d83ccef9

Author: Sebastian Lackner <sebastian at fds-team.de>
Date:   Fri Aug  7 08:22:51 2015 +0200

vcomp: Implement _vcomp_enter_critsect and _vcomp_leave_critsect.

---

 dlls/vcomp/main.c           | 34 ++++++++++++++++++++++++++++++++++
 dlls/vcomp/vcomp.spec       |  4 ++--
 dlls/vcomp100/vcomp100.spec |  4 ++--
 dlls/vcomp110/vcomp110.spec |  4 ++--
 dlls/vcomp90/vcomp90.spec   |  4 ++--
 5 files changed, 42 insertions(+), 8 deletions(-)

diff --git a/dlls/vcomp/main.c b/dlls/vcomp/main.c
index 1d9765f..10ac465 100644
--- a/dlls/vcomp/main.c
+++ b/dlls/vcomp/main.c
@@ -979,6 +979,40 @@ void WINAPIV _vcomp_fork(BOOL ifval, int nargs, void *wrapper, ...)
     __ms_va_end(team_data.valist);
 }
 
+void CDECL _vcomp_enter_critsect(CRITICAL_SECTION **critsect)
+{
+    TRACE("(%p)\n", critsect);
+
+    if (!*critsect)
+    {
+        CRITICAL_SECTION *new_critsect;
+        if (!(new_critsect = HeapAlloc(GetProcessHeap(), 0, sizeof(*new_critsect))))
+        {
+            ERR("could not allocate critical section\n");
+            ExitProcess(1);
+        }
+
+        InitializeCriticalSection(new_critsect);
+        new_critsect->DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": critsect");
+
+        if (interlocked_cmpxchg_ptr((void **)critsect, new_critsect, NULL) != NULL)
+        {
+            /* someone beat us to it */
+            new_critsect->DebugInfo->Spare[0] = 0;
+            DeleteCriticalSection(new_critsect);
+            HeapFree(GetProcessHeap(), 0, new_critsect);
+        }
+    }
+
+    EnterCriticalSection(*critsect);
+}
+
+void CDECL _vcomp_leave_critsect(CRITICAL_SECTION *critsect)
+{
+    TRACE("(%p)\n", critsect);
+    LeaveCriticalSection(critsect);
+}
+
 BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
 {
     TRACE("(%p, %d, %p)\n", instance, reason, reserved);
diff --git a/dlls/vcomp/vcomp.spec b/dlls/vcomp/vcomp.spec
index 3167839..55b699f 100644
--- a/dlls/vcomp/vcomp.spec
+++ b/dlls/vcomp/vcomp.spec
@@ -53,7 +53,7 @@
 @ cdecl _vcomp_barrier()
 @ stub _vcomp_copyprivate_broadcast
 @ stub _vcomp_copyprivate_receive
-@ stub _vcomp_enter_critsect
+@ cdecl _vcomp_enter_critsect(ptr)
 @ stub _vcomp_flush
 @ cdecl _vcomp_for_dynamic_init(long long long long long)
 @ stub _vcomp_for_dynamic_init_i8
@@ -66,7 +66,7 @@
 @ stub _vcomp_for_static_simple_init_i8
 @ varargs _vcomp_fork(long long ptr)
 @ stub _vcomp_get_thread_num
-@ stub _vcomp_leave_critsect
+@ cdecl _vcomp_leave_critsect(ptr)
 @ stub _vcomp_master_barrier
 @ cdecl _vcomp_master_begin()
 @ cdecl _vcomp_master_end()
diff --git a/dlls/vcomp100/vcomp100.spec b/dlls/vcomp100/vcomp100.spec
index 38578b9..7bf6238 100644
--- a/dlls/vcomp100/vcomp100.spec
+++ b/dlls/vcomp100/vcomp100.spec
@@ -53,7 +53,7 @@
 @ cdecl _vcomp_barrier() vcomp._vcomp_barrier
 @ stub _vcomp_copyprivate_broadcast
 @ stub _vcomp_copyprivate_receive
-@ stub _vcomp_enter_critsect
+@ cdecl _vcomp_enter_critsect(ptr) vcomp._vcomp_enter_critsect
 @ stub _vcomp_flush
 @ cdecl _vcomp_for_dynamic_init(long long long long long) vcomp._vcomp_for_dynamic_init
 @ stub _vcomp_for_dynamic_init_i8
@@ -66,7 +66,7 @@
 @ stub _vcomp_for_static_simple_init_i8
 @ varargs _vcomp_fork(long long ptr) vcomp._vcomp_fork
 @ stub _vcomp_get_thread_num
-@ stub _vcomp_leave_critsect
+@ cdecl _vcomp_leave_critsect(ptr) vcomp._vcomp_leave_critsect
 @ stub _vcomp_master_barrier
 @ cdecl _vcomp_master_begin() vcomp._vcomp_master_begin
 @ cdecl _vcomp_master_end() vcomp._vcomp_master_end
diff --git a/dlls/vcomp110/vcomp110.spec b/dlls/vcomp110/vcomp110.spec
index ef8222f..c84e44c 100644
--- a/dlls/vcomp110/vcomp110.spec
+++ b/dlls/vcomp110/vcomp110.spec
@@ -54,7 +54,7 @@
 @ cdecl _vcomp_barrier() vcomp._vcomp_barrier
 @ stub _vcomp_copyprivate_broadcast
 @ stub _vcomp_copyprivate_receive
-@ stub _vcomp_enter_critsect
+@ cdecl _vcomp_enter_critsect(ptr) vcomp._vcomp_enter_critsect
 @ stub _vcomp_flush
 @ cdecl _vcomp_for_dynamic_init(long long long long long) vcomp._vcomp_for_dynamic_init
 @ stub _vcomp_for_dynamic_init_i8
@@ -67,7 +67,7 @@
 @ stub _vcomp_for_static_simple_init_i8
 @ varargs _vcomp_fork(long long ptr) vcomp._vcomp_fork
 @ stub _vcomp_get_thread_num
-@ stub _vcomp_leave_critsect
+@ cdecl _vcomp_leave_critsect(ptr) vcomp._vcomp_leave_critsect
 @ stub _vcomp_master_barrier
 @ cdecl _vcomp_master_begin() vcomp._vcomp_master_begin
 @ cdecl _vcomp_master_end() vcomp._vcomp_master_end
diff --git a/dlls/vcomp90/vcomp90.spec b/dlls/vcomp90/vcomp90.spec
index 38578b9..7bf6238 100644
--- a/dlls/vcomp90/vcomp90.spec
+++ b/dlls/vcomp90/vcomp90.spec
@@ -53,7 +53,7 @@
 @ cdecl _vcomp_barrier() vcomp._vcomp_barrier
 @ stub _vcomp_copyprivate_broadcast
 @ stub _vcomp_copyprivate_receive
-@ stub _vcomp_enter_critsect
+@ cdecl _vcomp_enter_critsect(ptr) vcomp._vcomp_enter_critsect
 @ stub _vcomp_flush
 @ cdecl _vcomp_for_dynamic_init(long long long long long) vcomp._vcomp_for_dynamic_init
 @ stub _vcomp_for_dynamic_init_i8
@@ -66,7 +66,7 @@
 @ stub _vcomp_for_static_simple_init_i8
 @ varargs _vcomp_fork(long long ptr) vcomp._vcomp_fork
 @ stub _vcomp_get_thread_num
-@ stub _vcomp_leave_critsect
+@ cdecl _vcomp_leave_critsect(ptr) vcomp._vcomp_leave_critsect
 @ stub _vcomp_master_barrier
 @ cdecl _vcomp_master_begin() vcomp._vcomp_master_begin
 @ cdecl _vcomp_master_end() vcomp._vcomp_master_end