Added close().

[pdclib] / internals / _PDCLIB_glue.h

diff --git a/internals/_PDCLIB_glue.h b/internals/_PDCLIB_glue.h
index 94da07fd953a4aed1c0891baafab93777e740748..f390dfaa84bf773169b516a89596e46133fa603b 100644 (file)
--- a/internals/_PDCLIB_glue.h
+++ b/internals/_PDCLIB_glue.h
@@ -33,7 +33,7 @@ void * _PDCLIB_allocpages( int n );
 /* A system call that opens a file identified by name in a given mode, and
    returns a file descriptor uniquely identifying that file.
 */
-_PDCLIB_fd_t _PDCLIB_open( char const * const filename, int mode );
+_PDCLIB_fd_t _PDCLIB_open( char const * const filename, unsigned int mode );
 
 /* A system call that writes n characters to a file identified by given file
    descriptor. Return the number of characters written.
@@ -45,8 +45,10 @@ _PDCLIB_size_t _PDCLIB_write( _PDCLIB_fd_t fd, char const * buffer, _PDCLIB_size
 */
 _PDCLIB_size_t _PDCLIB_read( _PDCLIB_fd_t fd, char * buffer, _PDCLIB_size_t n );
 
-/* A system call that closes a file identified by given file descriptor. */
-void _PDCLIB_close( _PDCLIB_fd_t fd );
+/* A system call that closes a file identified by given file descriptor. Return
+   zero on success, non-zero otherwise.
+*/
+int _PDCLIB_close( _PDCLIB_fd_t fd );
 
 /* A system call that removes a file identified by name. Return zero on success,
    non-zero otherwise.