Have clean-temp register file open descriptors to temporary files.

1 files changed, 20 insertions, 0 deletions

diff --git a/lib/clean-temp.h b/lib/clean-temp.h
index c564addacc..aa5e8d3d59 100644
--- a/lib/clean-temp.h
+++ b/lib/clean-temp.h
@@ -20,6 +20,8 @@
 #define _CLEAN_TEMP_H
 
 #include <stdbool.h>
+#include <stdio.h>
+#include <sys/types.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -32,6 +34,10 @@ extern "C" {
    also - if no signal blocking is used - leaves a time window where a fatal
    signal would not clean up the temporary file.
 
+   Also, open file descriptors need to be closed before the temporary files
+   and the temporary directories can be removed, because only on Unix
+   (excluding Cygwin) one can remove directories containing open files.
+
    This module provides support for temporary directories and temporary files
    inside these temporary directories.  Temporary files without temporary
    directories are not supported here.  */
@@ -98,6 +104,20 @@ extern void cleanup_temp_dir_contents (struct temp_dir *dir);
    DIR cannot be used any more after this call.  */
 extern void cleanup_temp_dir (struct temp_dir *dir);
 
+/* Open a temporary file in a temporary directory.
+   Registers the resulting file descriptor to be closed.  */
+extern int open_temp (const char *file_name, int flags, mode_t mode);
+extern FILE * fopen_temp (const char *file_name, const char *mode);
+
+/* Close a temporary file in a temporary directory.
+   Unregisters the previously registered file descriptor.  */
+extern int close_temp (int fd);
+extern int fclose_temp (FILE *fp);
+
+/* Like fwriteerror.
+   Unregisters the previously registered file descriptor.  */
+extern int fwriteerror_temp (FILE *fp);
+
 
 #ifdef __cplusplus
 }