Annotation of Net2/sys/ktrace.h, revision 1.1.1.2

1.1       root        1: /*
                      2:  * Copyright (c) 1988 The Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. All advertising materials mentioning features or use of this software
                     14:  *    must display the following acknowledgement:
                     15:  *     This product includes software developed by the University of
                     16:  *     California, Berkeley and its contributors.
                     17:  * 4. Neither the name of the University nor the names of its contributors
                     18:  *    may be used to endorse or promote products derived from this software
                     19:  *    without specific prior written permission.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     31:  * SUCH DAMAGE.
                     32:  *
1.1.1.2 ! root       33:  *     from: @(#)ktrace.h      7.4 (Berkeley) 5/7/91
        !            34:  *     ktrace.h,v 1.3 1993/05/20 16:22:33 cgd Exp
1.1       root       35:  */
                     36: 
1.1.1.2 ! root       37: #ifndef _SYS_KTRACE_H_
        !            38: #define _SYS_KTRACE_H_
        !            39: 
1.1       root       40: /*
                     41:  * operations to ktrace system call  (KTROP(op))
                     42:  */
                     43: #define KTROP_SET              0       /* set trace points */
                     44: #define KTROP_CLEAR            1       /* clear trace points */
                     45: #define KTROP_CLEARFILE                2       /* stop all tracing to file */
                     46: #define        KTROP(o)                ((o)&3) /* macro to extract operation */
                     47: /*
                     48:  * flags (ORed in with operation)
                     49:  */
                     50: #define KTRFLAG_DESCEND                4       /* perform op on all children too */
                     51: 
                     52: /*
                     53:  * ktrace record header
                     54:  */
                     55: struct ktr_header {
                     56:        int     ktr_len;                /* length of buf */
                     57:        short   ktr_type;               /* trace record type */
                     58:        pid_t   ktr_pid;                /* process id */
                     59:        char    ktr_comm[MAXCOMLEN+1];  /* command name */
                     60:        struct  timeval ktr_time;       /* timestamp */
                     61:        caddr_t ktr_buf;
                     62: };
                     63: 
                     64: /*
                     65:  * Test for kernel trace point
                     66:  */
                     67: #define KTRPOINT(p, type)      ((p)->p_traceflag & (1<<(type)))
                     68: 
                     69: /*
                     70:  * ktrace record types
                     71:  */
                     72: 
                     73: /*
                     74:  * KTR_SYSCALL - system call record
                     75:  */
                     76: #define KTR_SYSCALL    1
                     77: struct ktr_syscall {
                     78:        short   ktr_code;               /* syscall number */
                     79:        short   ktr_narg;               /* number of arguments */
                     80:        /*
                     81:         * followed by ktr_narg ints
                     82:         */
                     83: };
                     84: 
                     85: /*
                     86:  * KTR_SYSRET - return from system call record
                     87:  */
                     88: #define KTR_SYSRET     2
                     89: struct ktr_sysret {
                     90:        short   ktr_code;
                     91:        short   ktr_eosys;
                     92:        int     ktr_error;
                     93:        int     ktr_retval;
                     94: };
                     95: 
                     96: /*
                     97:  * KTR_NAMEI - namei record
                     98:  */
                     99: #define KTR_NAMEI      3
                    100:        /* record contains pathname */
                    101: 
                    102: /*
                    103:  * KTR_GENIO - trace generic process i/o
                    104:  */
                    105: #define KTR_GENIO      4
                    106: struct ktr_genio {
                    107:        int     ktr_fd;
                    108:        enum    uio_rw ktr_rw;
                    109:        /*
                    110:         * followed by data successfully read/written
                    111:         */
                    112: };
                    113: 
                    114: /*
                    115:  * KTR_PSIG - trace processed signal
                    116:  */
                    117: #define        KTR_PSIG        5
                    118: struct ktr_psig {
                    119:        int     signo;
                    120:        sig_t   action;
                    121:        int     mask;
                    122:        int     code;
                    123: };
                    124: 
                    125: /*
                    126:  * kernel trace points (in p_traceflag)
                    127:  */
                    128: #define KTRFAC_MASK    0x00ffffff
                    129: #define KTRFAC_SYSCALL (1<<KTR_SYSCALL)
                    130: #define KTRFAC_SYSRET  (1<<KTR_SYSRET)
                    131: #define KTRFAC_NAMEI   (1<<KTR_NAMEI)
                    132: #define KTRFAC_GENIO   (1<<KTR_GENIO)
                    133: #define        KTRFAC_PSIG     (1<<KTR_PSIG)
                    134: /*
                    135:  * trace flags (also in p_traceflags)
                    136:  */
                    137: #define KTRFAC_ROOT    0x80000000      /* root set this trace */
                    138: #define KTRFAC_INHERIT 0x40000000      /* pass trace flags to children */
                    139: 
                    140: #ifndef        KERNEL
                    141: 
                    142: #include <sys/cdefs.h>
                    143: 
                    144: __BEGIN_DECLS
                    145: int    ktrace __P((const char *, int, int, pid_t));
                    146: __END_DECLS
                    147: 
                    148: #endif /* !KERNEL */
1.1.1.2 ! root      149: 
        !           150: #endif /* !_SYS_KTRACE_H_ */

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