Merge next-mr -> next-4284

mysys/CMakeLists.txt

@@ -1,4 +1,4 @@
-# Copyright (C) 2006 MySQL AB
+# Copyright (C) 2006 MySQL AB, 2009 Sun Microsystems, Inc
 # 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -41,7 +41,8 @@ SET(MYSYS_SOURCES  array.c charset-def.c charset.c checksum.c default.c default_
 				rijndael.c safemalloc.c sha1.c string.c thr_alarm.c thr_lock.c thr_mutex.c
 				thr_rwlock.c tree.c typelib.c my_vle.c base64.c my_memmem.c my_getpagesize.c
 				lf_alloc-pin.c lf_dynarray.c lf_hash.c
-				my_atomic.c my_getncpus.c)
+				my_atomic.c my_getncpus.c
+				my_rdtsc.c)
 
 IF(NOT SOURCE_SUBLIBS)
   ADD_LIBRARY(mysys ${MYSYS_SOURCES})

mysys/Makefile.am

@@ -16,7 +16,8 @@
 MYSQLDATAdir =		$(localstatedir)
 MYSQLSHAREdir =		$(pkgdatadir)
 MYSQLBASEdir=		$(prefix)
-INCLUDES =		@ZLIB_INCLUDES@ -I$(top_builddir)/include \
+INCLUDES =		@ZLIB_INCLUDES@ @RDTSC_SPARC_ASSEMBLY@ \
+			-I$(top_builddir)/include \
 			-I$(top_srcdir)/include -I$(srcdir)
 pkglib_LIBRARIES =	libmysys.a
 LDADD =			libmysys.a $(top_builddir)/strings/libmystrings.a $(top_builddir)/dbug/libdbug.a
@@ -53,7 +54,8 @@ libmysys_a_SOURCES =    my_init.c my_getwd.c mf_getdate.c my_mmap.c \
 			my_gethostbyname.c rijndael.c my_aes.c sha1.c \
 			my_handler.c my_netware.c my_largepage.c \
 			my_memmem.c stacktrace.c \
-			my_windac.c my_access.c base64.c my_libwrap.c
+			my_windac.c my_access.c base64.c my_libwrap.c \
+			my_rdtsc.c
 
 if NEED_THREAD
 # mf_keycache is used only in the server, so it is safe to leave the file
@@ -65,7 +67,9 @@ endif
 EXTRA_DIST =		thr_alarm.c thr_lock.c my_pthread.c my_thr_init.c \
 			thr_mutex.c thr_rwlock.c \
 			CMakeLists.txt mf_soundex.c \
-			my_conio.c my_wincond.c my_winthread.c my_winerr.c my_winfile.c
+			my_conio.c my_wincond.c my_winthread.c my_winerr.c \
+			my_winfile.c \
+			my_timer_cycles.il
 libmysys_a_LIBADD =	@THREAD_LOBJECTS@
 # test_dir_DEPENDENCIES=	$(LIBRARIES)
 # testhash_DEPENDENCIES=	$(LIBRARIES)

mysys/my_delete.c

@@ -37,7 +37,7 @@ int my_delete(const char *name, myf MyFlags)
 } /* my_delete */
 
 #if defined(__WIN__)
-/*
+/**
   Delete file which is possibly not closed.
 
   This function is intended to be used exclusively as a temporal solution
@@ -53,6 +53,20 @@ int my_delete(const char *name, myf MyFlags)
   renamed to <name>.<num>.deleted where <name> - the initial name of the
   file, <num> - a hexadecimal number chosen to make the temporal name to
   be unique.
+
+  @param the name of the being deleted file
+  @param the flags instructing how to react on an error internally in
+         the function
+
+  @note The per-thread @c my_errno holds additional info for a caller to
+        decide how critical the error can be.
+
+  @retval
+    0	ok
+  @retval
+    1   error
+
+
 */
 int nt_share_delete(const char *name, myf MyFlags)
 {
@@ -63,6 +77,7 @@ int nt_share_delete(const char *name, myf MyFlags)
 
   for (cnt= GetTickCount(); cnt; cnt--)
   {
+    errno= 0;
     sprintf(buf, "%s.%08X.deleted", name, cnt);
     if (MoveFile(name, buf))
       break;
@@ -78,15 +93,23 @@ int nt_share_delete(const char *name, myf MyFlags)
                            name, buf, errno));
     break;
   }
-
-  if (DeleteFile(buf))
-    DBUG_RETURN(0);
-
-  my_errno= GetLastError();
+  
+  if (errno == ERROR_FILE_NOT_FOUND)
+  {
+       my_errno= ENOENT;    // marking, that `name' doesn't exist 
+  }
+  else if (errno == 0)
+  {
+       if (DeleteFile(buf))
+            DBUG_RETURN(0);
+       else if ((my_errno= GetLastError()) == 0)
+            my_errno= ENOENT; // marking, that `buf' doesn't exist
+  } else
+       my_errno= errno;
+  
   if (MyFlags & (MY_FAE+MY_WME))
-    my_error(EE_DELETE, MYF(ME_BELL + ME_WAITTANG + (MyFlags & ME_NOINPUT)),
-	       name, my_errno);
-
+       my_error(EE_DELETE, MYF(ME_BELL + ME_WAITTANG + (MyFlags & ME_NOINPUT)),
+                name, my_errno);
   DBUG_RETURN(-1);
 }
 #endif

mysys/my_timer_cycles.il

@@ -0,0 +1,38 @@
+/* Copyright (C) 2008 Sun Microsystems, Inc
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; version 2 of the License.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+/* Sun Studio SPARC inline templates for cycle timer */
+/* Sun Studio i386 and x86_64 inline templates for cycle timer */
+/* I didn't say ".volatile" or ".nonvolatile". */
+
+.inline my_timer_cycles_il_sparc64,0
+rd %tick,%o0
+.end
+
+.inline my_timer_cycles_il_sparc32,0
+rd %tick,%o2
+srlx %o2,32,%o0
+sra %o2,0,%o1
+.end
+
+.inline my_timer_cycles_il_i386,0
+rdtsc
+.end
+
+.inline my_timer_cycles_il_x86_64,0
+rdtsc
+shlq $32,%rdx
+orq %rdx,%rax
+.end