Return to brk.s CVS log

Up to [CSRG BSD Unix] / 43BSDTahoe / lib / libc / tahoe / sys

Annotation of 43BSDTahoe/lib/libc/tahoe/sys/brk.s, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1983 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted
        !             6:  * provided that the above copyright notice and this paragraph are
        !             7:  * duplicated in all such forms and that any documentation,
        !             8:  * advertising materials, and other materials related to such
        !             9:  * distribution and use acknowledge that the software was developed
        !            10:  * by the University of California, Berkeley.  The name of the
        !            11:  * University may not be used to endorse or promote products derived
        !            12:  * from this software without specific prior written permission.
        !            13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            16:  */
        !            17: 
        !            18: #if defined(SYSLIBC_SCCS) && !defined(lint)
        !            19:        .asciz "@(#)brk.s       5.3 (Berkeley) 6/27/88"
        !            20: #endif /* SYSLIBC_SCCS and not lint */
        !            21: 
        !            22: #include "SYS.h"
        !            23: 
        !            24: #define        SYS_brk         17
        !            25: 
        !            26:        .globl  curbrk
        !            27:        .globl  minbrk
        !            28: 
        !            29: ENTRY(brk)
        !            30:        cmpl    4(fp),minbrk
        !            31:        bgeq    ok
        !            32:        movl    minbrk,4(fp)
        !            33: ok:
        !            34:        kcall   $SYS_brk
        !            35:        jcs     err
        !            36:        movl    4(fp),curbrk
        !            37:        clrl    r0
        !            38:        ret
        !            39: err:
        !            40:        jmp     cerror

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.