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Annotation of researchv9/sys.vax/h/inline.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Definitions of inlines, and macro replacements
        !             3:  * for them if UNFAST (latter only scantily tested).
        !             4:  */
        !             5: 
        !             6: #ifndef UNFAST
        !             7: 
        !             8: #define        plock(ip) \
        !             9: { \
        !            10:        while ((ip)->i_flag & ILOCK) { \
        !            11:                (ip)->i_flag |= IWANT; \
        !            12:                sleep((caddr_t)(ip), PINOD); \
        !            13:        } \
        !            14:        (ip)->i_flag |= ILOCK; \
        !            15: }
        !            16: 
        !            17: #define        prele(ip) \
        !            18: { \
        !            19:        (ip)->i_flag &= ~ILOCK; \
        !            20:        if ((ip)->i_flag&IWANT) { \
        !            21:                (ip)->i_flag &= ~IWANT; \
        !            22:                wakeup((caddr_t)(ip)); \
        !            23:        } \
        !            24: }
        !            25: 
        !            26: #define        GETF(fp, fd) { \
        !            27:        if ((unsigned)(fd) >= NOFILE || ((fp) = u.u_ofile[fd]) == NULL) { \
        !            28:                u.u_error = EBADF; \
        !            29:                return; \
        !            30:        } \
        !            31: }
        !            32: 
        !            33: #define        IUPDAT(ip, t1, t2, waitfor) { \
        !            34:        if (ip->i_flag&(IUPD|IACC|ICHG)) \
        !            35:                iupdat(ip, t1, t2, waitfor); \
        !            36: }
        !            37: #define        ISSIG(p)        ((p)->p_sig && \
        !            38:        ((p)->p_flag&STRC || ((p)->p_sig &~ (p)->p_ignsig)) && issig())
        !            39: #else
        !            40: 
        !            41: #define        GETF(fp, fd) { \
        !            42:        (fp) = getf(fd); \
        !            43:        if ((fp) == NULL) \
        !            44:                return; \
        !            45: }
        !            46: 
        !            47: #define        IUPDAT(ip, t1, t2, waitfor)     iupdat(ip, t1, t2, waitfor)
        !            48: 
        !            49: #define        ISSIG(p)        issig(p)
        !            50: #endif

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