Changeset 13254 in vbox for trunk/src/VBox/Runtime/r0drv/solaris/vbi

Timestamp:

Oct 14, 2008 12:35:50 PM (16 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

37865

Message:

IPRT: Added RTThreadPreemptIsEnabled, RTThreadPreemptDisable and RTThreadPreemptRestore. Made the logger check that preemption is enabled before trying to take the semaphore on Solaris and Windows.

File:

• trunk/src/VBox/Runtime/r0drv/solaris/vbi/thread-r0drv-solaris.c (modified) (2 diffs)

trunk/src/VBox/Runtime/r0drv/solaris/vbi/thread-r0drv-solaris.c

@@ -62 +62 @@
 #if 0
     timeout = ddi_get_lbolt();
-    timeout += cTicks; 
- 
+    timeout += cTicks;
+
     kcondvar_t cnd;
     kmutex_t mtx;
@@ -96 +96 @@
 }
 
+
+RTDECL(bool) RTThreadPreemptIsEnabled(RTTHREAD hThread)
+{
+    Assert(hThread == NIL_RTTHREAD);
+    return vbi_is_preempt_enabled() != 0;
+}
+
+
+RTDECL(void) RTThreadPreemptDisable(PRTTHREADPREEMPTSTATE pState)
+{
+    AssertPtr(pState);
+    Assert(pState->uchDummy != 42);
+    pState->uchDummy = 42;
+    vbi_preempt_disable();
+}
+
+
+RTDECL(void) RTThreadPreemptRestore(PRTTHREADPREEMPTSTATE pState)
+{
+    AssertPtr(pState);
+    Assert(pState->uchDummy == 42);
+    pState->uchDummy = 0;
+    vbi_preempt_enable();
+}
+