Use WIN32 retry loop on Cygwin, too.

From: David Rothenberger <daveroth@acm.org>


---
 subversion/libsvn_subr/io.c |   22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/subversion/libsvn_subr/io.c b/subversion/libsvn_subr/io.c
index 9d6db8f..4262c75 100644
--- a/subversion/libsvn_subr/io.c
+++ b/subversion/libsvn_subr/io.c
@@ -29,6 +29,10 @@
 #include <unistd.h>
 #endif
 
+#ifdef __CYGWIN__
+#include <errno.h>
+#endif
+
 #ifndef APR_STATUS_IS_EPERM
 #include <errno.h>
 #ifdef EPERM
@@ -136,6 +140,12 @@
                          || os_err == ERROR_SHARING_VIOLATION              \
                          || os_err == ERROR_DIR_NOT_EMPTY),                \
              1)
+#elif defined(__CYGWIN__)
+#define WIN32_RETRY_LOOP(err, expr)                                        \
+  RETRY_LOOP(err, expr, (os_err == EBUSY                                   \
+                         || os_err == EACCES                               \
+                         || os_err == ENOTEMPTY),                          \
+             1)
 #else
 #define WIN32_RETRY_LOOP(err, expr) ((void)0)
 #endif
@@ -2900,6 +2910,7 @@ svn_io_remove_file2(const char *path,
 
   apr_err = apr_file_remove(path_apr, scratch_pool);
 
+#if defined(WIN32) || defined(__CYGWIN__)
 #ifdef WIN32
   /* If the target is read only NTFS reports EACCESS and FAT/FAT32
      reports EEXIST */
@@ -2910,10 +2921,14 @@ svn_io_remove_file2(const char *path,
       SVN_ERR(svn_io_set_file_read_write(path, ignore_enoent, scratch_pool));
       apr_err = apr_file_remove(path_apr, scratch_pool);
     }
-
+#endif
   /* Check to make sure we aren't trying to delete a directory */
+#ifdef WIN32
   if (apr_err == APR_FROM_OS_ERROR(ERROR_ACCESS_DENIED)
       || apr_err == APR_FROM_OS_ERROR(ERROR_SHARING_VIOLATION))
+#else
+  if (apr_err == APR_FROM_OS_ERROR(EACCES))
+#endif
     {
       apr_finfo_t finfo;
 
@@ -4570,6 +4585,9 @@ svn_io_file_rename2(const char *from_path, const char *to_path,
     }
 #else
   status = apr_file_rename(from_path_apr, to_path_apr, pool);
+#ifdef __CYGWIN__
+  WIN32_RETRY_LOOP(status, apr_file_rename(from_path_apr, to_path_apr, pool));
+#endif
 #endif /* WIN32 || __OS2__ */
 
   if (status)
@@ -4702,7 +4720,7 @@ dir_make(const char *path, apr_fileperms_t perm,
 /* Windows does not implement sgid. Skip here because retrieving
    the file permissions via APR_FINFO_PROT | APR_FINFO_OWNER is documented
    to be 'incredibly expensive'. */
-#ifndef WIN32
+#if !defined(WIN32) && !defined(__CYGWIN__)
   if (sgid)
     {
       apr_finfo_t finfo;