diff options
Diffstat (limited to 'src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/io')
4 files changed, 190 insertions, 0 deletions
diff --git a/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/io/Makefile.kup b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/io/Makefile.kup new file mode 100644 index 00000000..e69de29b --- /dev/null +++ b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/io/Makefile.kup diff --git a/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/io/tst.fds.c b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/io/tst.fds.c new file mode 100644 index 00000000..2785b51f --- /dev/null +++ b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/io/tst.fds.c @@ -0,0 +1,100 @@ +/* + * 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 2006 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <assert.h> +#include <setjmp.h> +#include <signal.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <fcntl.h> + +static sigjmp_buf env; + +static void +interrupt(int sig) +{ + siglongjmp(env, sig); +} + +int +main(int argc, char *argv[]) +{ + const char *file = "/dev/null"; + int i, n, fds[10]; + struct sigaction act; + + if (argc > 1) { + (void) fprintf(stderr, "Usage: %s\n", argv[0]); + return (EXIT_FAILURE); + } + + act.sa_handler = interrupt; + act.sa_flags = 0; + + (void) sigemptyset(&act.sa_mask); + (void) sigaction(SIGUSR1, &act, NULL); + + closefrom(0); + n = 0; + + /* + * With all of our file descriptors closed, wait here spinning in bogus + * ioctl() calls until DTrace hits us with a SIGUSR1 to start the test. + */ + if (sigsetjmp(env, 1) == 0) { + for (;;) + (void) ioctl(-1, -1, NULL); + } + + /* + * To test the fds[] array, we open /dev/null (a file with reliable + * pathname and properties) using various flags and seek offsets. + */ + fds[n++] = open(file, O_RDONLY); + fds[n++] = open(file, O_WRONLY); + fds[n++] = open(file, O_RDWR); + + fds[n++] = open(file, O_RDWR | O_APPEND | O_CREAT | O_DSYNC | + O_LARGEFILE | O_NOCTTY | O_NONBLOCK | O_NDELAY | O_RSYNC | + O_SYNC | O_TRUNC | O_XATTR); + + fds[n++] = open(file, O_RDWR); + (void) lseek(fds[n - 1], 123, SEEK_SET); + + /* + * Once we have all the file descriptors in the state we want to test, + * issue a bogus ioctl() on each fd with cmd -1 and arg NULL to whack + * our DTrace script into recording the content of the fds[] array. + */ + for (i = 0; i < n; i++) + (void) ioctl(fds[i], -1, NULL); + + assert(n <= sizeof (fds) / sizeof (fds[0])); + exit(0); +} diff --git a/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/io/tst.fds.d b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/io/tst.fds.d new file mode 100644 index 00000000..52a3312d --- /dev/null +++ b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/io/tst.fds.d @@ -0,0 +1,54 @@ +/* + * 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 2006 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +#pragma D option destructive +#pragma D option quiet + +syscall::ioctl:entry +/pid == $1 && arg0 == -1u/ +{ + raise(SIGUSR1); /* kick tst.fds.c out of its busy-wait loop */ +} + +syscall::ioctl:entry +/pid == $1 && arg0 != -1u && arg1 == -1u && arg2 == NULL/ +{ + printf("fds[%d] fi_name = %s\n", arg0, fds[arg0].fi_name); + printf("fds[%d] fi_dirname = %s\n", arg0, fds[arg0].fi_dirname); + printf("fds[%d] fi_pathname = %s\n", arg0, fds[arg0].fi_pathname); + printf("fds[%d] fi_fs = %s\n", arg0, fds[arg0].fi_fs); + printf("fds[%d] fi_mount = %s\n", arg0, fds[arg0].fi_mount); + printf("fds[%d] fi_offset = %d\n", arg0, fds[arg0].fi_offset); + printf("fds[%d] fi_oflags = 0x%x\n", arg0, fds[arg0].fi_oflags); +} + +proc:::exit +/pid == $1/ +{ + exit(0); +} diff --git a/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/io/tst.fds.d.out b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/io/tst.fds.d.out new file mode 100644 index 00000000..9d268268 --- /dev/null +++ b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/io/tst.fds.d.out @@ -0,0 +1,36 @@ +fds[0] fi_name = mm@0:null +fds[0] fi_dirname = /devices/pseudo +fds[0] fi_pathname = /devices/pseudo/mm@0:null +fds[0] fi_fs = specfs +fds[0] fi_mount = /devices +fds[0] fi_offset = 0 +fds[0] fi_oflags = 0x0 +fds[1] fi_name = mm@0:null +fds[1] fi_dirname = /devices/pseudo +fds[1] fi_pathname = /devices/pseudo/mm@0:null +fds[1] fi_fs = specfs +fds[1] fi_mount = /devices +fds[1] fi_offset = 0 +fds[1] fi_oflags = 0x1 +fds[2] fi_name = mm@0:null +fds[2] fi_dirname = /devices/pseudo +fds[2] fi_pathname = /devices/pseudo/mm@0:null +fds[2] fi_fs = specfs +fds[2] fi_mount = /devices +fds[2] fi_offset = 0 +fds[2] fi_oflags = 0x2 +fds[3] fi_name = mm@0:null +fds[3] fi_dirname = /devices/pseudo +fds[3] fi_pathname = /devices/pseudo/mm@0:null +fds[3] fi_fs = specfs +fds[3] fi_mount = /devices +fds[3] fi_offset = 0 +fds[3] fi_oflags = 0xebda +fds[4] fi_name = mm@0:null +fds[4] fi_dirname = /devices/pseudo +fds[4] fi_pathname = /devices/pseudo/mm@0:null +fds[4] fi_fs = specfs +fds[4] fi_mount = /devices +fds[4] fi_offset = 123 +fds[4] fi_oflags = 0x2 + |