usr/src/lib/libc/hp300/sys/sigsuspend.s

/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * Redistribution and use in source and binary forms are permitted provided
 * that: (1) source distributions retain this entire copyright notice and
 * comment, and (2) distributions including binaries display the following
 * acknowledgement:  ``This product includes software developed by the
 * University of California, Berkeley and its contributors'' in the
 * documentation or other materials provided with the distribution and in
 * all advertising materials mentioning features or use of this software.
 * Neither the name of the University nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#if defined(LIBC_SCCS) && !defined(lint)
        .asciz "@(#)sigsuspend.s        5.2 (Berkeley) 6/6/90"
#endif /* LIBC_SCCS and not lint */

#include "SYS.h"

        .even
err:
        jmp     cerror

ENTRY(sigsuspend)
        movl    sp@(4),a0
        movl    a0@,sp@(4)              /* indirect to mask arg */
        movl    #SYS_sigsuspend,d0
        trap    #0
        jcs     err
        clrl    d0                      /* shouldn't happen */
        rts