Index: svnkit/src/org/tmatesoft/svn/core/internal/util/jna/JNALibraryLoader.java
===================================================================
--- svnkit/src/org/tmatesoft/svn/core/internal/util/jna/JNALibraryLoader.java	(revision 5851)
+++ svnkit/src/org/tmatesoft/svn/core/internal/util/jna/JNALibraryLoader.java	(working copy)
@@ -54,7 +54,7 @@
             }
         }
         
-        if (SVNFileUtil.isOSX || SVNFileUtil.isLinux || SVNFileUtil.isBSD) {
+        if (SVNFileUtil.isOSX || SVNFileUtil.isLinux || SVNFileUtil.isBSD || SVNFileUtil.isSolaris) {
             try {
                 ourCLibrary = (ISVNCLibrary) Native.loadLibrary("c", ISVNCLibrary.class);
                 try {
Index: svnkit/src/org/tmatesoft/svn/core/internal/util/jna/SVNLinuxUtil.java
===================================================================
--- svnkit/src/org/tmatesoft/svn/core/internal/util/jna/SVNLinuxUtil.java	(revision 5851)
+++ svnkit/src/org/tmatesoft/svn/core/internal/util/jna/SVNLinuxUtil.java	(working copy)
@@ -51,7 +51,7 @@
                 ourSharedMemory.clear();
                 int rc;
                 synchronized (cLibrary) {
-                    rc = SVNFileUtil.isOSX || SVNFileUtil.isBSD ? 
+                    rc = SVNFileUtil.isOSX || SVNFileUtil.isBSD || SVNFileUtil.isSolaris ? 
                             cLibrary.lstat(path, ourSharedMemory) : 
                             cLibrary.__lxstat64(0, path, ourSharedMemory);
                 }
@@ -61,7 +61,7 @@
                     }
                     return SVNFileType.NONE;
                 }
-                int mode = SVNFileUtil.isOSX || SVNFileUtil.isBSD ?
+                int mode = SVNFileUtil.isOSX || SVNFileUtil.isBSD || SVNFileUtil.isSolaris ?
                         ourSharedMemory.getShort(getFileModeOffset()) : ourSharedMemory.getInt(getFileModeOffset());
                 int type = mode & 0170000;
                 if (type == 0120000) {
@@ -100,7 +100,7 @@
                 ourSharedMemory.clear();
                 int rc;
                 synchronized (cLibrary) {
-                    rc = SVNFileUtil.isOSX || SVNFileUtil.isBSD ? 
+                    rc = SVNFileUtil.isOSX || SVNFileUtil.isBSD || SVNFileUtil.isSolaris ? 
                             cLibrary.lstat(path, ourSharedMemory) : 
                             cLibrary.__lxstat64(0, path, ourSharedMemory);
                 }
@@ -179,7 +179,7 @@
                 ourSharedMemory.clear();
                 int rc;
                 synchronized (cLibrary) {
-                    rc = SVNFileUtil.isOSX || SVNFileUtil.isBSD ? 
+                    rc = SVNFileUtil.isOSX || SVNFileUtil.isBSD || SVNFileUtil.isSolaris ? 
                             cLibrary.lstat(path, ourSharedMemory) : 
                             cLibrary.__lxstat64(0, path, ourSharedMemory);
                 }
@@ -230,7 +230,7 @@
                 ourSharedMemory.clear();
                 int rc;
                 synchronized (cLibrary) {
-                    rc = SVNFileUtil.isOSX || SVNFileUtil.isBSD ? 
+                    rc = SVNFileUtil.isOSX || SVNFileUtil.isBSD || SVNFileUtil.isSolaris ? 
                             cLibrary.lstat(path, ourSharedMemory) : 
                             cLibrary.__lxstat64(0, path, ourSharedMemory);
                 }
@@ -281,7 +281,7 @@
                 ourSharedMemory.clear();
                 int rc;
                 synchronized (cLibrary) {
-                    rc = SVNFileUtil.isOSX || SVNFileUtil.isBSD ? 
+                    rc = SVNFileUtil.isOSX || SVNFileUtil.isBSD || SVNFileUtil.isSolaris ? 
                             cLibrary.stat(path, ourSharedMemory) : 
                             cLibrary.__xstat64(0, path, ourSharedMemory);
                 }
Index: svnkit/src/org/tmatesoft/svn/core/internal/wc/SVNFileType.java
===================================================================
--- svnkit/src/org/tmatesoft/svn/core/internal/wc/SVNFileType.java	(revision 5851)
+++ svnkit/src/org/tmatesoft/svn/core/internal/wc/SVNFileType.java	(working copy)
@@ -79,7 +79,7 @@
         if (file == null) {
             return SVNFileType.UNKNOWN;
         }
-        if (SVNFileUtil.isLinux || SVNFileUtil.isBSD || SVNFileUtil.isOSX) {
+        if (SVNFileUtil.isLinux || SVNFileUtil.isBSD || SVNFileUtil.isOSX || SVNFileUtil.isSolaris) {
             if (detectSymlinks) {
                 SVNFileType ft = SVNJNAUtil.getFileType(file);
                 if (ft != null) {
Index: svnkit/src/org/tmatesoft/svn/core/internal/wc/SVNFileUtil.java
===================================================================
--- svnkit/src/org/tmatesoft/svn/core/internal/wc/SVNFileUtil.java	(revision 5851)
+++ svnkit/src/org/tmatesoft/svn/core/internal/wc/SVNFileUtil.java	(working copy)
@@ -124,7 +124,7 @@
         isOSX = osName != null && (osNameLC.indexOf("mac") >= 0 || osNameLC.indexOf("darwin") >= 0);
         isLinux = osName != null && (osNameLC.indexOf("linux") >= 0 || osNameLC.indexOf("hp-ux") >= 0);
         isBSD = !isLinux && osName != null && osNameLC.indexOf("bsd") >= 0;
-        isSolaris = !isLinux && !isBSD && osName != null && osNameLC.indexOf("solaris") >= 0;
+        isSolaris = !isLinux && !isBSD && osName != null && (osNameLC.indexOf("solaris") >= 0 || osNameLC.indexOf("sunos") >= 0);
         isOpenVMS = !isOSX && osName != null && osNameLC.indexOf("openvms") >= 0;
 
         if (!isWindows && !isOSX && !isLinux && !isBSD && !isSolaris && !isOpenVMS && !isOS2) {
@@ -484,7 +484,7 @@
             if (SVNJNAUtil.setWritable(file)) {
                 return true;
             }
-        } else if (isLinux || isOSX || isBSD) {
+        } else if (isLinux || isOSX || isBSD || SVNFileUtil.isSolaris) {
             if (SVNJNAUtil.setWritable(file)) {
                 return true;
             }