Changeset 85380 in vbox for trunk/include/iprt

Timestamp:

Jul 17, 2020 9:15:25 PM (5 years ago)

Author:

vboxsync

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

139393

Message:

iprt/time.h: Made it a little more readable/complicate and easier on Doxygen. bugref:9757

File:

• trunk/include/iprt/time.h (modified) (3 diffs)

trunk/include/iprt/time.h

@@ -359 +359 @@
  * Prerequisite minimum linux kernel version.
  * @note Cannot really be moved to iprt/cdefs.h, see the-linux-kernel.h */
-/** @def RTTIME_LINUX_KERNEL_PREREQ_OKAY
- * Defined if RTTIME_LINUX_KERNEL_PREREQ is usable.  Needed for negation,
- * though in real life RTTIME_LINUX_KERNEL_PREREQ is always okay since the
- * kernel version is -included via the gcc command line, at least for
- * recent kernels (5.7). */
+/** @def RTTIME_LINUX_KERNEL_PREREQ_LT
+ * Prerequisite maxium linux kernel version (LT=less-than).
+ * @note Cannot really be moved to iprt/cdefs.h, see the-linux-kernel.h */
 #if defined(RT_OS_LINUX) && defined(LINUX_VERSION_CODE) && defined(KERNEL_VERSION)
-# define RTTIME_LINUX_KERNEL_PREREQ(a, b, c)    (LINUX_VERSION_CODE >= KERNEL_VERSION(a,b,c))
-# define RTTIME_LINUX_KERNEL_PREREQ_OKAY
+# define RTTIME_LINUX_KERNEL_PREREQ(a, b, c)    (LINUX_VERSION_CODE >= KERNEL_VERSION(a, b, c))
+# define RTTIME_LINUX_KERNEL_PREREQ_LT(a, b, c) (!RTTIME_LINUX_KERNEL_PREREQ(a, b, c))
 #else
 # define RTTIME_LINUX_KERNEL_PREREQ(a, b, c)    0
-# undef  RTTIME_LINUX_KERNEL_PREREQ_OKAY
+# define RTTIME_LINUX_KERNEL_PREREQ_LT(a, b, c) 0
 #endif
 
@@ -381 +379 @@
      && defined(_LINUX_TIME_H) \
      && (   !defined(__KERNEL__) \
-         || (!RTTIME_LINUX_KERNEL_PREREQ(5,6,0) && defined(RTTIME_LINUX_KERNEL_PREREQ_OKAY)) /* @bugref{9757} */ ) ) \
+         || RTTIME_LINUX_KERNEL_PREREQ_LT(5,6,0) /* @bugref{9757} */ ) ) \
  || (defined(RT_OS_NETBSD) && defined(_SYS_TIME_H_))
 
@@ -429 +427 @@
      && (   !defined(RT_OS_LINUX) \
          || !defined(__KERNEL__) \
-         || (!RTTIME_LINUX_KERNEL_PREREQ(5,6,0) && defined(RTTIME_LINUX_KERNEL_PREREQ_OKAY)) /* @bugref{9757} */ ) ) \
+         || RTTIME_LINUX_KERNEL_PREREQ_LT(5,6,0) /* @bugref{9757} */ ) ) \
  || (defined(RT_OS_NETBSD) && defined(_SYS_TIME_H_))