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Re: [PATCH] CPU-time clocks


On Sun, 2011-05-15 at 13:49 -0500, Yaakov Selkowitz wrote:
> I have a patch pending for Cygwin to support POSIX CPU-time clocks, but
> newlib needs to be patched first.
> 
> Unfortunately, newlib's clock ID definitions are not POSIX-compliant;
> the names are missing the ending "_ID".  Fixing this will affect RTEMS,
> as they have been using the misnamed definitions for some time.  I have
> a patch for RTEMS' CVS HEAD, but the ramifications may be larger than
> that, I don't know.
> 
> Patch attached.

Corinna just changed one of the affected files; regenerated patch
attached.


Yaakov
Cygwin/X

2011-05-15  Yaakov Selkowitz  <yselkowitz@...>

	* libc/include/time.h (CLOCK_PROCESS_CPUTIME_ID): Rename from
	CLOCK_PROCESS_CPUTIME.
	(CLOCK_THREAD_CPUTIME_ID): Rename from CLOCK_THREAD_CPUTIME.
	* libc/include/sys/features.h [__CYGWIN__] (_POSIX_CPUTIME): Define.
	(_POSIX_THREAD_CPUTIME): Define.

Index: libc/include/time.h
===================================================================
RCS file: /cvs/src/src/newlib/libc/include/time.h,v
retrieving revision 1.19
diff -u -r1.19 time.h
--- libc/include/time.h	16 Oct 2008 21:53:58 -0000	1.19
+++ libc/include/time.h	15 May 2011 19:28:27 -0000
@@ -212,7 +212,7 @@
    the identifier of the CPU_time clock associated with the PROCESS
    making the function call.  */
 
-#define CLOCK_PROCESS_CPUTIME (clockid_t)2
+#define CLOCK_PROCESS_CPUTIME_ID (clockid_t)2
 
 #endif
 
@@ -222,7 +222,7 @@
     the identifier of the CPU_time clock associated with the THREAD
     making the function call.  */
 
-#define CLOCK_THREAD_CPUTIME (clockid_t)3
+#define CLOCK_THREAD_CPUTIME_ID (clockid_t)3
 
 #endif
 
Index: libc/include/sys/features.h
===================================================================
RCS file: /cvs/src/src/newlib/libc/include/sys/features.h,v
retrieving revision 1.25
diff -u -r1.25 features.h
--- libc/include/sys/features.h	15 May 2011 18:50:52 -0000	1.25
+++ libc/include/sys/features.h	15 May 2011 19:28:27 -0000
@@ -103,7 +103,7 @@
 /* #define _POSIX_BARRIERS			    -1 */
 #define _POSIX_CHOWN_RESTRICTED			     1
 /* #define _POSIX_CLOCK_SELECTION		    -1 */
-/* #define _POSIX_CPUTIME			    -1 */
+#define _POSIX_CPUTIME			    	200112L
 #define _POSIX_FSYNC				200112L
 #define _POSIX_IPV6				200112L
 #define _POSIX_JOB_CONTROL			     1
@@ -130,7 +130,7 @@
 #define _POSIX_SYNCHRONIZED_IO			200112L
 #define _POSIX_THREAD_ATTR_STACKADDR		200112L
 #define _POSIX_THREAD_ATTR_STACKSIZE		200112L
-/* #define _POSIX_THREAD_CPUTIME		    -1 */
+#define _POSIX_THREAD_CPUTIME			200112L
 /* #define _POSIX_THREAD_PRIO_INHERIT		    -1 */
 /* #define _POSIX_THREAD_PRIO_PROTECT		    -1 */
 #define _POSIX_THREAD_PRIORITY_SCHEDULING	200112L

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