minix/kernel/system/do_memset.c

   1 /* The kernel call implemented in this file:
   2  *   m_type:    SYS_MEMSET
   3  *
   4  * The parameters for this kernel call are:
   5  *    m_lsys_krn_sys_memset.base        (virtual address)
   6  *    m_lsys_krn_sys_memset.count       (returns physical address)
   7  *    m_lsys_krn_sys_memset.pattern     (pattern byte to be written)
   8  */
   9
  10 #include "kernel/system.h"
  11
  12 #if USE_MEMSET
  13
  14 /*===========================================================================*
  15  *                              do_memset                                    *
  16  *===========================================================================*/
  17 int do_memset(struct proc * caller, message * m_ptr)
  18 {
  19 /* Handle sys_memset(). This writes a pattern into the specified memory. */
  20   vm_memset(caller, m_ptr->m_lsys_krn_sys_memset.process,
  21           m_ptr->m_lsys_krn_sys_memset.base,
  22           m_ptr->m_lsys_krn_sys_memset.pattern,
  23           m_ptr->m_lsys_krn_sys_memset.count);
  24   return(OK);
  25 }
  26
  27 #endif /* USE_MEMSET */
  28