1 files changed, 39 insertions, 0 deletions
diff --git a/winsup/cygwin/local_includes/tls_pbuf.h b/winsup/cygwin/local_includes/tls_pbuf.h
new file mode 100644
index 000000000..f2cc3001c
--- /dev/null
+++ b/winsup/cygwin/local_includes/tls_pbuf.h
@@ -0,0 +1,39 @@
+/* tls_pbuf.h
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#pragma once
+
+class tmp_pathbuf
+{
+  uint32_t c_buf_old;
+  uint32_t w_buf_old;
+public:
+  tmp_pathbuf () __attribute__ ((always_inline))
+  : c_buf_old (_my_tls.locals.pathbufs.c_cnt),
+    w_buf_old (_my_tls.locals.pathbufs.w_cnt)
+  {}
+  ~tmp_pathbuf () __attribute__ ((always_inline))
+  {
+    _my_tls.locals.pathbufs.c_cnt = c_buf_old;
+    _my_tls.locals.pathbufs.w_cnt = w_buf_old;
+  }
+
+  inline bool check_usage (uint32_t c_need, uint32_t w_need)
+    {
+      return c_need + c_buf_old < TP_NUM_C_BUFS
+	     && w_need + w_buf_old < TP_NUM_W_BUFS;
+    }
+  char *c_get ();  /* Create temporary TLS path buf of size NT_MAX_PATH. */
+  PWCHAR w_get (); /* Create temporary TLS path buf of size 2 * NT_MAX_PATH. */
+  inline char *t_get () { return (char *) w_get (); }
+  inline PUNICODE_STRING u_get (PUNICODE_STRING up)
+    {
+      up->Length = 0;
+      up->MaximumLength = (NT_MAX_PATH - 1) * sizeof (WCHAR);
+      up->Buffer = w_get ();
+      return up;
+    }
+};