From 2a929cc87152fc499715d43a808e7cb78c2e01cf Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Thu, 25 Jan 2001 15:59:58 +0000 Subject: 2001-01-25 Fernando Ruiz * Alternate email is correo@fernando-ruiz.com * libc/privateenv.c: New file. * include/rtems/libio_.h, libc/Makefile.am, libc/base_fs.c, libc/unmount.c: Moved default umask, current working directory, root, and links followed count into a structure "user environment" that can then be treated as a unit. This enable giving unique copies of these to individual threads or collection of threads. --- cpukit/include/rtems/libio_.h | 29 ++++++++++++++++++++--------- 1 file changed, 20 insertions(+), 9 deletions(-) (limited to 'cpukit/include/rtems/libio_.h') diff --git a/cpukit/include/rtems/libio_.h b/cpukit/include/rtems/libio_.h index 008c7c3fb7..cda8faacf5 100644 --- a/cpukit/include/rtems/libio_.h +++ b/cpukit/include/rtems/libio_.h @@ -64,12 +64,6 @@ extern rtems_libio_t *rtems_libio_iops; extern rtems_libio_t *rtems_libio_last_iop; extern rtems_libio_t *rtems_libio_iop_freelist; -/* - * Default mode for all files. - */ - -extern mode_t rtems_filesystem_umask; - /* * set_errno_and_return_minus_one * @@ -214,10 +208,27 @@ extern mode_t rtems_filesystem_umask; /* * External structures */ +typedef struct { + rtems_filesystem_location_info_t current_directory; + rtems_filesystem_location_info_t root_directory; + /* Default mode for all files. */ + mode_t umask; + nlink_t link_counts; +} rtems_user_env_t; + +extern rtems_user_env_t * rtems_current_user_env; +extern rtems_user_env_t rtems_global_user_env; + +#define rtems_filesystem_current (rtems_current_user_env->current_directory) +#define rtems_filesystem_root (rtems_current_user_env->root_directory) +#define rtems_filesystem_link_counts (rtems_current_user_env->link_counts) +#define rtems_filesystem_umask (rtems_current_user_env->umask) + +/* + * Instantiate a private copy of the per user information for the calling task. + */ -extern rtems_filesystem_location_info_t rtems_filesystem_current; -extern rtems_filesystem_location_info_t rtems_filesystem_root; -extern nlink_t rtems_filesystem_link_counts; +rtems_status_code rtems_libio_set_private_env(void); /* -- cgit v1.2.3