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Annotation of 43BSDReno/lib/libc/i386/sys/sigsuspend.s, revision 1.1.1.1

1.1       root        1: /*-
                      2:  * Copyright (c) 1990 The Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * This code is derived from software contributed to Berkeley by
                      6:  * William Jolitz.
                      7:  *
                      8:  * Redistribution and use in source and binary forms are permitted provided
                      9:  * that: (1) source distributions retain this entire copyright notice and
                     10:  * comment, and (2) distributions including binaries display the following
                     11:  * acknowledgement:  ``This product includes software developed by the
                     12:  * University of California, Berkeley and its contributors'' in the
                     13:  * documentation or other materials provided with the distribution and in
                     14:  * all advertising materials mentioning features or use of this software.
                     15:  * Neither the name of the University nor the names of its contributors may
                     16:  * be used to endorse or promote products derived from this software without
                     17:  * specific prior written permission.
                     18:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     19:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     20:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     21:  */
                     22: 
                     23: #if defined(SYSLIBC_SCCS) && !defined(lint)
                     24:        .asciz "@(#)sigsuspend.s        5.1 (Berkeley) 7/1/90"
                     25: #endif /* SYSLIBC_SCCS and not lint */
                     26: 
                     27: #include "SYS.h"
                     28: 
                     29: err:
                     30:        jmp     cerror
                     31: 
                     32: ENTRY(sigsuspend)
                     33:        movl    4(%esp),%eax            # fetch mask arg
                     34:        movl    (%eax),%eax             # indirect to mask arg
                     35:        movl    %eax,4(%esp)
                     36:        movl    $ SYS_sigsuspend ,%eax
                     37:        LCALL(0x7,0)
                     38:        jb      err
                     39:        xorl    %eax,%eax               # shouldn't happen
                     40:        ret

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