lib/other/syscall.c

   1 #include <lib.h>
   2
   3 PUBLIC int _syscall(who, syscallnr, msgptr)
   4 int who;
   5 int syscallnr;
   6 register message *msgptr;
   7 {
   8   int status;
   9
  10   msgptr->m_type = syscallnr;
  11   status = _sendrec(who, msgptr);
  12   if (status != 0) {
  13         /* 'sendrec' itself failed. */
  14         /* XXX - strerror doesn't know all the codes */
  15         msgptr->m_type = status;
  16   }
  17   if (msgptr->m_type < 0) {
  18         errno = -msgptr->m_type;
  19         return(-1);
  20   }
  21   return(msgptr->m_type);
  22 }