Changeset 21536 in vbox for trunk/src/VBox/Runtime/r0drv/freebsd/thread-r0drv-freebsd.c

Timestamp:

Jul 13, 2009 2:49:39 PM (15 years ago)

Author:

vboxsync

Message:

iprt/thread.h: Redefined RTThreadPreemptIsEnabled for systems without preemption (we keep count ourselves). Added RTThreadPreemptIsPossible and RTThreadIsInInterrupt. Fixed RTThreadPreemptIsEnabled on FreeBSD and Solaris/vbi.

File:

• trunk/src/VBox/Runtime/r0drv/freebsd/thread-r0drv-freebsd.c (modified) (4 diffs)

trunk/src/VBox/Runtime/r0drv/freebsd/thread-r0drv-freebsd.c

@@ -35 +35 @@
 
 #include <iprt/thread.h>
+#include <iprt/asm.h>
+#include <iprt/assert.h>
 #include <iprt/err.h>
-#include <iprt/assert.h>
 
 #include "internal/thread.h"
@@ -112 +113 @@
     Assert(hThread == NIL_RTTHREAD);
 
-    return curthread->td_critnest == 0;
+    return curthread->td_critnest == 0
+        && ASMIntAreEnabled(); /** @todo is there a native freebsd function/macro for this? */
 }
 
@@ -127 +129 @@
 {
     /* yes, RTThreadPreemptIsPending is reliable. */
+    return true;
+}
+
+
+RTDECL(bool) RTThreadPreemptIsPossible(void)
+{
+    /* yes, kernel preemption is possible. */
     return true;
 }
@@ -150 +159 @@
 }
 
+
+RTDECL(bool) RTThreadIsInInterrupt(RTTHREAD hThread)
+{
+    Assert(hThread == NIL_RTTHREAD); NOREF(hThread);
+    /** @todo FreeBSD: Implement RTThreadIsInInterrupt. Required for guest
+     *        additions! */
+    return !ASMIntAreEnabled();
+}
+