1 files changed, 0 insertions, 246 deletions
diff --git a/usr/src/lib/libtnfprobe/trace_init.c b/usr/src/lib/libtnfprobe/trace_init.c
deleted file mode 100644
index 5f2070990f..0000000000
--- a/usr/src/lib/libtnfprobe/trace_init.c
+++ /dev/null
@@ -1,246 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License (the "License").
- * You may not use this file except in compliance with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-
-/*
- * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
- */
-
-/*
- * Includes
- */
-
-#ifndef DEBUG
-#define	NDEBUG	1
-#endif
-
-#include <assert.h>
-#include <limits.h>
-#include <values.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <dlfcn.h>
-#include <sys/mman.h>
-#include <sys/param.h>
-
-#include <thread.h>
-#include <sys/lwp.h>
-#include <errno.h>
-
-#include "tnf_trace.h"
-
-
-/*
- * Defines
- */
-#define	TNF_FILE_MODE	(S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)
-
-/*
- * Declarations
- */
-
-extern void thr_probe_setup(void *);
-#pragma weak thr_probe_setup
-
-/*
- * Globals
- */
-
-static TNFW_B_CONTROL __tnfw_b_control_local = {
-	TNFW_B_NOBUFFER,
-	NULL,
-	_tnf_trace_initialize,
-	_tnf_fork_thread_setup,
-	0
-};
-
-TNFW_B_CONTROL *_tnfw_b_control = &__tnfw_b_control_local;
-
-static char    *file_start;
-
-/*
- * Two Project Private Interfaces between prex and libtnfprobe -
- * tnf_trace_file_name and tnf_trace_file_size (three now ...)
- */
-char		tnf_trace_file_name[MAXPATHLEN] = "";
-uint_t		tnf_trace_file_size = 4194304;	/* 4 Meg */
-uint_t		tnf_trace_file_min = (128 * 1024);
-
-tnf_ops_t	tnf_trace_initial_tpd = {
-	TNF_ALLOC_REUSABLE,	/* mode			 */
-	tnfw_b_alloc,		/* alloc		 */
-	tnfw_b_xcommit,		/* commit		 */
-	tnfw_b_xabort,		/* rollback		 */
-	{
-		B_FALSE		/* tnfw_w_initialized	 */
-		/* rest of struct is null */
-	},
-	0			/* busy			 */
-};
-
-/*
- * tnf_process_enable: exported API to turn on tracing for the process
- *			(on by default).
- */
-void
-tnf_process_enable(void)
-{
-	TNFW_B_UNSET_STOPPED(_tnfw_b_control->tnf_state);
-}
-
-/*
- * tnf_process_disable: exported API to turn off tracing for the process.
- */
-void
-tnf_process_disable(void)
-{
-	TNFW_B_SET_STOPPED(_tnfw_b_control->tnf_state);
-}
-
-/*
- * _tnf_trace_initialize
- *	prex is responsible for creating and zeroing the trace file.  So,
- *	this routine expects the file to be there.  It does try to handle
- *	the case where prex (run as root) for probing a setuid root program
- *	created the trace file as root.  But, by the time the first probe is
- *	hit (and this function is called), the program has reduced it's
- *	privilege to its real user id - so the open fails.  In this case,
- *	this function unlinks the trace file and creates it again with its
- *	current user id.  The unlink can fail if the user does not have
- *	write permission in the directory where the trace file is - if so,
- *	tracing is set to broken.
- */
-int
-_tnf_trace_initialize(void)
-{
-	int		fd;
-	int		created_file = 0;
-	static mutex_t	init_mutex = DEFAULTMUTEX;
-
-	/*
-	 * if this is a MT program and the primordial thread hasn't been
-	 * setup yet, can't start tracing yet - THREAD_REG hasn't been
-	 * initialized, so we can't call open() in libthread.
-	 */
-
-	/*
-	 * Use dlsym to check for the present of thr_probe_setup.
-	 */
-
-	if ((((int(*)())dlsym(RTLD_DEFAULT, "thr_probe_setup")) != NULL) &&
-	    (thr_main() == -1)) {
-		return (0);
-	}
-
-	/*
-	 * lock is needed to to prevent multiple threads from
-	 * mmapping the file.
-	 */
-	mutex_lock(&init_mutex);
-	if (_tnfw_b_control->tnf_state != TNFW_B_NOBUFFER) {
-		mutex_unlock(&init_mutex);
-		return (1);
-	}
-
-	_tnfw_b_control->tnf_pid = getpid();
-	assert(tnf_trace_file_name[0] != '\0');
-	fd = open(tnf_trace_file_name, O_RDWR, TNF_FILE_MODE);
-	if (fd < 0) {
-		if (errno == EACCES) {
-			/*
-			 * fix for bug 1197494: permission denied when
-			 * trying to open the file - happens for setuid root
-			 * programs - prex creates the file with root ownership
-			 */
-			if (unlink(tnf_trace_file_name) == -1) {
-				goto SetBroken;
-			}
-			/* try creating it rather than opening it */
-			fd = open(tnf_trace_file_name,
-			    O_CREAT | O_RDWR | O_TRUNC, TNF_FILE_MODE);
-			if (fd < 0) {
-				goto SetBroken;
-			}
-			/*
-			 * expand file to needed size - ftruncate is not
-			 * portable, hence using lseek + write.
-			 */
-			if (lseek(fd, tnf_trace_file_size-1, SEEK_SET) == -1) {
-				goto SetBroken;
-			}
-			if (write(fd, "", 1) != 1) {
-				goto SetBroken;
-			}
-			created_file = 1;
-		} else {
-			goto SetBroken;
-		}
-	}
-
-	/* mmap the file */
-	if ((file_start = mmap(0, tnf_trace_file_size,
-	    PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) == (caddr_t)-1) {
-		goto SetBroken;
-	}
-	if (created_file == 1) {
-		/* explicitly zero the file XXX - performance problem */
-		(void) memset(file_start, 0, tnf_trace_file_size);
-	}
-	_tnfw_b_control->tnf_buffer = file_start;
-
-	if (tnfw_b_init_buffer(file_start, tnf_trace_file_size / TNF_BLOCK_SIZE,
-	    TNF_BLOCK_SIZE, B_TRUE) != TNFW_B_OK) {
-		goto SetBroken;
-	}
-
-	/* successful return */
-	_tnfw_b_control->tnf_state = TNFW_B_RUNNING;
-	mutex_unlock(&init_mutex);
-	return (1);
-
-SetBroken:
-	_tnfw_b_control->tnf_state = TNFW_B_BROKEN;
-	mutex_unlock(&init_mutex);
-	return (0);
-
-}
-
-/*
- * _tnf_sched_init
- */
-
-void
-_tnf_sched_init(tnf_schedule_t *sched, hrtime_t t)
-{
-	thread_t tid = 0;
-
-	sched->time_base = t;
-	/* thr_self() is stubbed out by libc for a non-threaded pgm */
-	tid = thr_self();
-	sched->tid = tid;
-	sched->lwpid = _lwp_self();
-	sched->pid = getpid();
-}