Dmitry Timoshkov : services: Add a 3000 ms timeout to StartService.

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: 157a9870823140800a7f99f7872d3900a4ba3ce5
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=157a9870823140800a7f99f78...

Author: Dmitry Timoshkov 
Date:   Mon Apr  9 19:29:02 2018 +0800

services: Add a 3000 ms timeout to StartService.

Signed-off-by: Dmitry Timoshkov 
Signed-off-by: Alexandre Julliard 
(cherry picked from commit b5c1a8f635f2f8f8ccf7c85ad52c40a632711a03)
Signed-off-by: Michael Stefaniuc

---

programs/services/rpc.c      |  4 ++--
 programs/services/services.c | 15 ++++++++++++---
 programs/services/services.h |  2 +-
 3 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/programs/services/rpc.c b/programs/services/rpc.c
index 20c5a27..786c851 100644
--- a/programs/services/rpc.c
+++ b/programs/services/rpc.c
@@ -1126,7 +1126,7 @@ DWORD __cdecl svcctl_StartServiceW(
     if (service->service_entry->config.dwStartType == SERVICE_DISABLED)
         return ERROR_SERVICE_DISABLED;

-    if (!scmdatabase_lock_startup(service->service_entry->db))
+    if (!scmdatabase_lock_startup(service->service_entry->db, 3000))
         return ERROR_SERVICE_DATABASE_LOCKED;

err = service_start(service->service_entry, dwNumServiceArgs, lpServiceArgVectors);
@@ -1288,7 +1288,7 @@ DWORD __cdecl svcctl_LockServiceDatabase(
     if ((err = validate_scm_handle(hSCManager, SC_MANAGER_LOCK, &manager)) != ERROR_SUCCESS)
         return err;

-    if (!scmdatabase_lock_startup(manager->db))
+    if (!scmdatabase_lock_startup(manager->db, 0))
         return ERROR_SERVICE_DATABASE_LOCKED;

lock = HeapAlloc(GetProcessHeap(), 0, sizeof(struct sc_lock));
diff --git a/programs/services/services.c b/programs/services/services.c
index f7c47b5..eba98d6 100644
--- a/programs/services/services.c
+++ b/programs/services/services.c
@@ -361,7 +361,7 @@ static void scmdatabase_autostart_services(struct scmdatabase *db)

scmdatabase_unlock(db);
     qsort(services_list, size, sizeof(services_list[0]), compare_tags);
-    while (!scmdatabase_lock_startup(db)) Sleep(10);
+    scmdatabase_lock_startup(db, INFINITE);

for (i = 0; i < size; i++)
     {
@@ -619,9 +619,18 @@ static DWORD scmdatabase_load_services(struct scmdatabase *db)
     return ERROR_SUCCESS;
 }

-BOOL scmdatabase_lock_startup(struct scmdatabase *db)
+BOOL scmdatabase_lock_startup(struct scmdatabase *db, int timeout)
 {
-    return !InterlockedCompareExchange(&db->service_start_lock, TRUE, FALSE);
+    while (InterlockedCompareExchange(&db->service_start_lock, TRUE, FALSE))
+    {
+        if (timeout != INFINITE)
+        {
+            timeout -= 10;
+            if (timeout <= 0) return FALSE;
+        }
+        Sleep(10);
+    }
+    return TRUE;
 }

void scmdatabase_unlock_startup(struct scmdatabase *db)
diff --git a/programs/services/services.h b/programs/services/services.h
index cda70e0..df47473 100644
--- a/programs/services/services.h
+++ b/programs/services/services.h
@@ -73,7 +73,7 @@ struct service_entry *scmdatabase_find_service(struct scmdatabase *db, LPCWSTR n
 struct service_entry *scmdatabase_find_service_by_displayname(struct scmdatabase *db, LPCWSTR name);
 DWORD scmdatabase_add_service(struct scmdatabase *db, struct service_entry *entry);

-BOOL scmdatabase_lock_startup(struct scmdatabase *db);
+BOOL scmdatabase_lock_startup(struct scmdatabase *db, int timeout);
 void scmdatabase_unlock_startup(struct scmdatabase *db);

void scmdatabase_lock(struct scmdatabase *db);