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Annotation of coherent/f/usr/include.78/sys/mwc_coherent.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * /usr/include/sys/mwc_coherent.h
                      3:  *
                      4:  * mwc_coherent.h is for kernel debugging definitions.
                      5:  *
                      6:  * Revised: Thu May 27 08:06:57 1993 CDT
                      7:  */
                      8: #ifndef __SYS_MWC_COHERENT_H__
                      9: #define __SYS_MWC_COHERENT_H__
                     10: 
                     11: /*
                     12:  * Control flags for tracing features.
                     13:  *
                     14:  * t_piggy bits:
                     15:  *     0x0001  pexit()
                     16:  *     0x0002  286 system calls
                     17:  *     0x0004  386 system calls
                     18:  *     0x0008  uioctl()
                     19:  *     0x0020  ssread()/sswrite()      in io.386/ss.c
                     20:  *     0x0200  uread()                 in coh.386/sys3.c
                     21:  *     0x0400  ssblock()               in io.386/ss.c
                     22:  *     0x1000  XP_DATA_IN/OUT          in state machine in io.386/ss.c
                     23:  *     0x10000 open() bad exit values  in coh.386/sys3.c
                     24:  *
                     25:  * t_hal bits:
                     26:  *     0x0001  TCSETA/TCSETAF/TCSETAW ioctl's
                     27:  *     0x0002  TIOCSETP/TIOCSETN ioctl's
                     28:  *     0x0004  al[01] verbose mode (see alx.c); asy devmsgs
                     29:  *     0x0008  obrk()
                     30:  *     0x0010  pipe open/read/write
                     31:  *     0x0020  1= NO c_grow() calls;  alx overruns
                     32:  *     0x0040  monitor number of free clists
                     33:  *     0x0080  '+' when asleep waiting for free clist
                     34:  *     0x0100  trace c_grow() calls
                     35:  *     0x0200  run check_slot() on alloc() and ubrk()
                     36:  *     0x0400  async opens, closes, speed changes
                     37:  *     0x0800  asy, all interrupts
                     38:  *     0x1000  explanation of page faults
                     39:  *     0x2000
                     40:  *     0x4000  all traps
                     41:  *     0x8000  ubrk()
                     42:  *
                     43:  * 0x0001 0000
                     44:  * 0x0002 0000
                     45:  *
                     46:  * t_vlad bits:
                     47:  *     0x0001
                     48:  *     0x0002  fcntl
                     49:  *
                     50:  * t_errno - trace u.u_error settings
                     51:  * t_con - trace console events
                     52:  *
                     53:  * t_msgq bits:
                     54:  *     0x0001  memory alloc
                     55:  *     0x0002  permissions
                     56:  */
                     57: 
                     58: 
                     59: /*
                     60:  * T_PIGGY() is for piggy controlled tracing.
                     61:  */
                     62: extern unsigned t_piggy;
                     63: #define T_PIGGY(flag, command) {       \
                     64:        if (t_piggy&flag) {             \
                     65:                command;                \
                     66:        }                               \
                     67: }
                     68: 
                     69: /*
                     70:  * T_HAL() is for hal controlled tracing.
                     71:  */
                     72: extern unsigned t_hal;
                     73: #define T_HAL(flag, command) { \
                     74:        if (t_hal&flag) {               \
                     75:                command;                \
                     76:        }                               \
                     77: }
                     78: 
                     79: /*
                     80:  * T_VLAD() is for vlad controlled tracing.
                     81:  */
                     82: extern unsigned t_vlad;
                     83: #define T_VLAD(flag, command) {        \
                     84:        if (t_vlad&flag) {              \
                     85:                command;                \
                     86:        }                               \
                     87: }
                     88: 
                     89: /*
                     90:  * T_MSGQ() is for message queue controlled tracing.
                     91:  */
                     92: extern unsigned t_msgq;
                     93: #define T_MSGQ(flag, command) {        \
                     94:        if (t_msgq&flag) {              \
                     95:                command;                \
                     96:        }                               \
                     97: }
                     98: 
                     99: /*
                    100:  * SET_U_ERROR() is for error tracing.
                    101:  */
                    102: extern unsigned t_errno;
                    103: #define SET_U_ERROR(errno, msg)        {                               \
                    104:        u.u_error = (errno);                                    \
                    105:        if (t_errno) {                                          \
                    106:                printf("u_error: %d: %s\n", (errno), msg);      \
                    107:        }                                                       \
                    108: }
                    109: 
                    110: /*
                    111:  * T_CON() is for video & keyboard tracing.
                    112:  */
                    113: extern unsigned t_con;
                    114: #define T_CON(flag, command) { \
                    115:        if (t_con&flag) {               \
                    116:                command;                \
                    117:        }                               \
                    118: }
                    119: 
                    120: /* DV(variable) displays: variable=.... */
                    121: #define DISP_VAR(v)    { strchirp("  "#v"="); print32(v); }
                    122: #define DV(v)          T_PIGGY(0x400, DISP_VAR(v))
                    123: 
                    124: #endif

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