Changeset 85208 in vbox for trunk/src/VBox/Runtime

Timestamp:

Jul 10, 2020 11:58:39 PM (5 years ago)

Author:

vboxsync

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

139184

Message:

iprt/time-r0drv-linux.c: Cleaned up RTTimeNow a little, we try use the linux kernel version rather than header blockers for deciding how to do stuff. Define RTTIME_INCL_TIMEVAL/SPEC when we need these helper just in case we get something wrong in iprt/time.h again. bugref:9757

File:

• trunk/src/VBox/Runtime/r0drv/linux/time-r0drv-linux.c (modified) (2 diffs)

trunk/src/VBox/Runtime/r0drv/linux/time-r0drv-linux.c

@@ -32 +32 @@
 #include "the-linux-kernel.h"
 #include "internal/iprt.h"
+/* Make sure we have the setting functions we need for RTTimeNow: */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 16)
+# define RTTIME_INCL_TIMEVAL
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3, 17, 0)
+# define RTTIME_INCL_TIMESPEC
+#endif
 #include <iprt/time.h>
 #include <iprt/asm.h>
@@ -183 +189 @@
 {
     IPRT_LINUX_SAVE_EFL_AC();
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 16)
-/* On Linux 4.20, time.h includes time64.h and we have to use 64-bit times. */
-# ifdef _LINUX_TIME64_H
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 17, 0)
     struct timespec64 Ts;
-    ktime_get_real_ts64(&Ts);
-# else
+    ktime_get_real_ts64(&Ts);   /* ktime_get_real_ts64 was added as a macro in 3.17, function since 4.18. */
+    IPRT_LINUX_RESTORE_EFL_AC();
+    return RTTimeSpecSetTimespec64(pTime, &Ts);
+
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 16)
     struct timespec Ts;
-    ktime_get_real_ts(&Ts);
-# endif
+    ktime_get_real_ts(&Ts);     /* ktime_get_real_ts was removed in Linux 4.20. */
     IPRT_LINUX_RESTORE_EFL_AC();
-# ifdef _LINUX_TIME64_H
-    return RTTimeSpecSetTimespec64(pTime, &Ts);
-# else
     return RTTimeSpecSetTimespec(pTime, &Ts);
-# endif
-#else   /* < 2.6.16 */
+
+#else /* < 2.6.16 */
     struct timeval Tv;
     do_gettimeofday(&Tv);