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-rw-r--r--pkgs/development/libraries/db/cygwin-4.4.patch21
1 files changed, 21 insertions, 0 deletions
diff --git a/pkgs/development/libraries/db/cygwin-4.4.patch b/pkgs/development/libraries/db/cygwin-4.4.patch
new file mode 100644
index 000000000000..3f9d658b5dac
--- /dev/null
+++ b/pkgs/development/libraries/db/cygwin-4.4.patch
@@ -0,0 +1,21 @@
+diff -rc db-4.4.20.NC-old/os/os_flock.c db-4.4.20.NC/os/os_flock.c
+*** db-4.4.20.NC-old/os/os_flock.c	Mon Jun 20 16:59:01 2005
+--- db-4.4.20.NC/os/os_flock.c	Wed Jun  7 17:01:49 2006
+***************
+*** 36,41 ****
+--- 36,50 ----
+  
+  	DB_ASSERT(F_ISSET(fhp, DB_FH_OPENED) && fhp->fd != -1);
+  
++ #ifdef __CYGWIN__
++ 	/*
++ 	 * Windows file locking interferes with read/write operations, so we
++ 	 * map the ranges to an area past the end of the file.
++ 	 */
++ 	DB_ASSERT(offset < (off_t) 1 << 62);
++ 	offset += (off_t) 1 << 62;
++ #endif
++ 
+  #ifdef HAVE_FCNTL
+  	fl.l_start = offset;
+  	fl.l_len = 1;