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Annotation of 43BSD/lib/libc/vax/sys/brk.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1983 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  */
        !             6: 
        !             7: #ifdef SYSLIBC_SCCS
        !             8: _sccsid:.asciz "@(#)brk.c      5.3 (Berkeley) 3/9/86"
        !             9: #endif SYSLIBC_SCCS
        !            10: 
        !            11: #include "SYS.h"
        !            12: 
        !            13: #define        SYS_brk         17
        !            14: 
        !            15:        .globl  curbrk
        !            16:        .globl  minbrk
        !            17: ENTRY(_brk)
        !            18:        jbr     ok
        !            19: 
        !            20: ENTRY(brk)
        !            21:        cmpl    4(ap),minbrk
        !            22:        bgeq    ok
        !            23:        movl    minbrk,4(ap)
        !            24: ok:
        !            25:        chmk    $SYS_brk
        !            26:        jcs     err
        !            27:        movl    4(ap),curbrk
        !            28:        clrl    r0
        !            29:        ret
        !            30: err:
        !            31:        jmp     cerror

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