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Text File | 1992-09-04 | 3.9 KB | 145 lines | [TEXT/UNIX] |
- /*
- * Copyright (c) 1988 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)ktrace.h 7.4 (Berkeley) 5/7/91
- */
-
- /*
- * operations to ktrace system call (KTROP(op))
- */
- #define KTROP_SET 0 /* set trace points */
- #define KTROP_CLEAR 1 /* clear trace points */
- #define KTROP_CLEARFILE 2 /* stop all tracing to file */
- #define KTROP(o) ((o)&3) /* macro to extract operation */
- /*
- * flags (ORed in with operation)
- */
- #define KTRFLAG_DESCEND 4 /* perform op on all children too */
-
- /*
- * ktrace record header
- */
- struct ktr_header {
- int ktr_len; /* length of buf */
- short ktr_type; /* trace record type */
- pid_t ktr_pid; /* process id */
- char ktr_comm[MAXCOMLEN+1]; /* command name */
- struct timeval ktr_time; /* timestamp */
- caddr_t ktr_buf;
- };
-
- /*
- * Test for kernel trace point
- */
- #define KTRPOINT(p, type) ((p)->p_traceflag & (1<<(type)))
-
- /*
- * ktrace record types
- */
-
- /*
- * KTR_SYSCALL - system call record
- */
- #define KTR_SYSCALL 1
- struct ktr_syscall {
- short ktr_code; /* syscall number */
- short ktr_narg; /* number of arguments */
- /*
- * followed by ktr_narg ints
- */
- };
-
- /*
- * KTR_SYSRET - return from system call record
- */
- #define KTR_SYSRET 2
- struct ktr_sysret {
- short ktr_code;
- short ktr_eosys;
- int ktr_error;
- int ktr_retval;
- };
-
- /*
- * KTR_NAMEI - namei record
- */
- #define KTR_NAMEI 3
- /* record contains pathname */
-
- /*
- * KTR_GENIO - trace generic process i/o
- */
- #define KTR_GENIO 4
- struct ktr_genio {
- int ktr_fd;
- enum uio_rw ktr_rw;
- /*
- * followed by data successfully read/written
- */
- };
-
- /*
- * KTR_PSIG - trace processed signal
- */
- #define KTR_PSIG 5
- struct ktr_psig {
- int signo;
- sig_t action;
- int mask;
- int code;
- };
-
- /*
- * kernel trace points (in p_traceflag)
- */
- #define KTRFAC_MASK 0x00ffffff
- #define KTRFAC_SYSCALL (1<<KTR_SYSCALL)
- #define KTRFAC_SYSRET (1<<KTR_SYSRET)
- #define KTRFAC_NAMEI (1<<KTR_NAMEI)
- #define KTRFAC_GENIO (1<<KTR_GENIO)
- #define KTRFAC_PSIG (1<<KTR_PSIG)
- /*
- * trace flags (also in p_traceflags)
- */
- #define KTRFAC_ROOT 0x80000000 /* root set this trace */
- #define KTRFAC_INHERIT 0x40000000 /* pass trace flags to children */
-
- #ifndef KERNEL
-
- #include <sys/cdefs.h>
-
- __BEGIN_DECLS
- int ktrace __P((const char *, int, int, pid_t));
- __END_DECLS
-
- #endif /* !KERNEL */
-