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/**
* @file
*
* @brief Set File Creation Mask
* @ingroup libcsupport
*/
/*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/stat.h>
#include <rtems/libio_.h>
#include <rtems/score/threaddispatch.h>
/**
* POSIX 1003.1b 5.3.3 - Set File Creation Mask
*/
mode_t umask( mode_t cmask )
{
mode_t old_mask;
/*
* We must use the same protection mechanism as in
* rtems_libio_set_private_env().
*/
_Thread_Disable_dispatch();
old_mask = rtems_filesystem_umask;
rtems_filesystem_umask = cmask & (S_IRWXU | S_IRWXG | S_IRWXO);
_Thread_Enable_dispatch();
return old_mask;
}
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