Merging Innodb plugin 1.0.5 revisions from 5.1-main from revisions 3149 to 3163

also merged missing Innodb plugin revisions r5636,r5635 manually

1 files changed, 116 insertions, 48 deletions

diff --git a/storage/innobase/plug.in b/storage/innobase/plug.in
index af5ee336efe..09a95ecc157 100644
--- a/storage/innobase/plug.in
+++ b/storage/innobase/plug.in
@@ -14,7 +14,7 @@
 # Place, Suite 330, Boston, MA 02111-1307 USA
 #
 
-MYSQL_STORAGE_ENGINE(innobase, innodb, [InnoDB Storage Engine],
+MYSQL_STORAGE_ENGINE(innobase,  innodb, [InnoDB Storage Engine],
         [Transactional Tables using InnoDB], [max,max-no-ndb])
 MYSQL_PLUGIN_DIRECTORY(innobase, [storage/innobase])
 MYSQL_PLUGIN_STATIC(innobase,   [libinnobase.a])
@@ -38,33 +38,75 @@ MYSQL_PLUGIN_ACTIONS(innobase,  [
 	irix*|osf*|sysv5uw7*|openbsd*)
 		CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE";;
 	*solaris*|*SunOS*)
-		# Begin Solaris atomic function checks
-		AC_CHECK_FUNCS(atomic_cas_ulong atomic_cas_32 \
-			       atomic_cas_64 atomic_add_long,
-			AC_DEFINE(
-				[HAVE_SOLARIS_ATOMICS],
-				[1],
-				[Define to 1 if Solaris supports \
-				 atomic functions.]))
-		### End Solaris atomic function checks
-
 		CFLAGS="$CFLAGS -DUNIV_SOLARIS";;
   esac
+
   INNODB_DYNAMIC_CFLAGS="-DMYSQL_DYNAMIC_PLUGIN"
-  case "$target_cpu---$target_os" in
-	x86_64---*)
+
+  case "$target_cpu" in
+	x86_64)
 		# The AMD64 ABI forbids absolute addresses in shared libraries
 		;;
-	*---solaris*|*---SunOS*)
-		# Shared objects must be linked from PIC code on Solaris.
-		;;
-	*86---)
+	*86)
 		# Use absolute addresses on IA-32
 		INNODB_DYNAMIC_CFLAGS="$INNODB_DYNAMIC_CFLAGS -prefer-non-pic"
 		;;
   esac
   AC_SUBST(INNODB_DYNAMIC_CFLAGS)
+
+  AC_MSG_CHECKING(whether GCC atomic builtins are available)
+  # either define HAVE_IB_GCC_ATOMIC_BUILTINS or not
+  AC_TRY_RUN(
+    [
+      int main()
+      {
+	long	x;
+	long	y;
+	long	res;
+	char	c;
+
+	x = 10;
+	y = 123;
+	res = __sync_bool_compare_and_swap(&x, x, y);
+	if (!res || x != y) {
+          return(1);
+        }
+
+	x = 10;
+	y = 123;
+	res = __sync_bool_compare_and_swap(&x, x + 1, y);
+	if (res || x != 10) {
+          return(1);
+        }
+
+	x = 10;
+	y = 123;
+	res = __sync_add_and_fetch(&x, y);
+	if (res != 123 + 10 || x != 123 + 10) {
+	  return(1);
+	}
+
+	c = 10;
+	res = __sync_lock_test_and_set(&c, 123);
+	if (res != 10 || c != 123) {
+	  return(1);
+	}
+
+	return(0);
+      }
+    ],
+    [
+      AC_DEFINE([HAVE_IB_GCC_ATOMIC_BUILTINS], [1],
+                [GCC atomic builtins are available])
+      AC_MSG_RESULT(yes)
+    ],
+    [
+      AC_MSG_RESULT(no)
+    ]
+  )
+
   AC_MSG_CHECKING(whether pthread_t can be used by GCC atomic builtins)
+  # either define HAVE_IB_ATOMIC_PTHREAD_T_GCC or not
   AC_TRY_RUN(
     [
       #include <pthread.h>
@@ -85,47 +127,73 @@ MYSQL_PLUGIN_ACTIONS(innobase,  [
       }
     ],
     [
-      AC_DEFINE([HAVE_ATOMIC_PTHREAD_T], [1],
+      AC_DEFINE([HAVE_IB_ATOMIC_PTHREAD_T_GCC], [1],
                 [pthread_t can be used by GCC atomic builtins])
       AC_MSG_RESULT(yes)
     ],
     [
       AC_MSG_RESULT(no)
     ]
-    )
+  )
 
-  # Try using solaris atomics on SunOS if GCC atomics are not available
-  AC_CHECK_DECLS(
-    [HAVE_ATOMIC_PTHREAD_T],
+  AC_MSG_CHECKING(whether Solaris libc atomic functions are available)
+  # either define HAVE_IB_SOLARIS_ATOMICS or not
+  AC_CHECK_FUNCS(atomic_add_long \
+		 atomic_cas_32 \
+		 atomic_cas_64 \
+		 atomic_cas_ulong,
+
+		 AC_DEFINE([HAVE_IB_SOLARIS_ATOMICS], [1],
+			   [Define to 1 if Solaris libc atomic functions \
+			    are available])
+  )
+
+  AC_MSG_CHECKING(whether pthread_t can be used by Solaris libc atomic functions)
+  # either define HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS or not
+  AC_TRY_RUN(
     [
-      AC_MSG_NOTICE(no need to check pthread_t size)
+      #include <pthread.h>
+      #include <string.h>
+
+      int main(int argc, char** argv) {
+        pthread_t       x1;
+        pthread_t       x2;
+        pthread_t       x3;
+
+        memset(&x1, 0x0, sizeof(x1));
+        memset(&x2, 0x0, sizeof(x2));
+        memset(&x3, 0x0, sizeof(x3));
+
+        if (sizeof(pthread_t) == 4) {
+        
+          atomic_cas_32(&x1, x2, x3);
+        
+        } else if (sizeof(pthread_t) == 8) {
+        
+          atomic_cas_64(&x1, x2, x3);
+        
+        } else {
+        
+          return(1);
+        }
+
+	return(0);
+      }
     ],
     [
-      AC_CHECK_DECLS(
-        [HAVE_SOLARIS_ATOMICS],
-        [
-          AC_MSG_CHECKING(checking if pthread_t size is integral)
-          AC_TRY_RUN(
-            [
-              #include <pthread.h>
-              int main()
-              {
-                pthread_t x = 0;
-                return(0);
-              }
-            ],
-            [
-              AC_DEFINE([HAVE_ATOMIC_PTHREAD_T], [1],
+      AC_DEFINE([HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS], [1],
                 [pthread_t can be used by solaris atomics])
-              AC_MSG_RESULT(yes)
-              # size of pthread_t is needed for typed solaris atomics
-              AC_CHECK_SIZEOF([pthread_t], [], [#include <pthread.h>])
-            ],
-            [
-              AC_MSG_RESULT(no)
-            ])
-        ])
-    ])
+      AC_MSG_RESULT(yes)
+    ],
+    [
+      AC_MSG_RESULT(no)
+    ]
+  )
+
+  # this is needed to know which one of atomic_cas_32() or atomic_cas_64()
+  # to use in the source
+  AC_CHECK_SIZEOF([pthread_t], [], [#include <pthread.h>])
+
   # Check for x86 PAUSE instruction
   AC_MSG_CHECKING(for x86 PAUSE instruction)
   # We have to actually try running the test program, because of a bug
@@ -142,7 +210,7 @@ MYSQL_PLUGIN_ACTIONS(innobase,  [
       }
     ],
     [
-      AC_DEFINE([IB_HAVE_PAUSE_INSTRUCTION], [1], [Does x86 PAUSE instruction exist])
+      AC_DEFINE([HAVE_IB_PAUSE_INSTRUCTION], [1], [Does x86 PAUSE instruction exist])
       AC_MSG_RESULT(yes)
     ],
     [