fileio.exp

这个是LINUX下的GDB调度工具的源码

#   Copyright 2002, 2003, 2004
#   Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  

# Please email any bugs, comments, and/or additions to this file to:
# [e-mail]

# This file was written by Corinna Vinschen <[e-mail]>

if [target_info exists gdb,nofileio] {
    verbose "Skipping fileio.exp because of no fileio capabilities."
    continue
}

if $tracelevel then {
        strace $tracelevel
}

set prms_id 0
set bug_id 0

set testfile "fileio"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
    gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}

# Create and source the file that provides information about the compiler
# used to compile the test case.

if [get_compiler_info ${binfile}] {
    return -1;
}

remote_exec build {sh -xc test\ -r\ dir2.fileio.test\ &&\ chmod\ -f\ +w\ dir2.fileio.test}
remote_exec build {sh -xc rm\ -rf\ *.fileio.test}

set oldtimeout $timeout
set timeout [expr "$timeout + 60"]

# Start with a fresh gdb.

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"
send_gdb "set print address off\n" ; gdb_expect -re "$gdb_prompt $"
send_gdb "set width 0\n" ; gdb_expect -re "$gdb_prompt $"


if ![runto_main] then {
    perror "couldn't run to breakpoint"
    continue
}

send_gdb "tbreak 81\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*open 1:.*OK.*test_open \\(\\) at.*$srcfile:81.*" \
"Open a file"

send_gdb "tbreak 88\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*open 2:.*EEXIST.*test_open \\(\\) at.*$srcfile:88.*" \
"Creating already existing file returns EEXIST"

send_gdb "tbreak 95\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*open 3:.*EISDIR.*test_open \\(\\) at.*$srcfile:95.*" \
"Open directory for writing returns EISDIR"

send_gdb "tbreak 102\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*open 4:.*ENOENT.*test_open \\(\\) at.*$srcfile:102.*" \
"Opening nonexistant file returns ENOENT"

send_gdb "tbreak 109\n" ; gdb_expect -re "$gdb_prompt $"
send_gdb "continue\n" ; gdb_expect -re "$gdb_prompt $"
catch "system \"chmod -f -w nowrt.fileio.test\""

send_gdb "tbreak 119\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*open 5:.*EACCES.*test_open \\(\\) at.*$srcfile:119.*" \
"Open for write but no write permission returns EACCES"

send_gdb "tbreak 140\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*write 1:.*OK.*test_write \\(\\) at.*$srcfile:140.*" \
"Writing to a file"

send_gdb "tbreak 145\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*write 2:.*EBADF.*test_write \\(\\) at.*$srcfile:145.*" \
"Write using invalid file descriptor returns EBADF"

send_gdb "tbreak 156\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*write 3:.*EBADF.*test_write \\(\\) at.*$srcfile:156.*" \
"Writing to a read-only file returns EBADF"

send_gdb "tbreak 182\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*read 1:.*OK.*test_read \\(\\) at.*$srcfile:182.*" \
"Reading from a file"

send_gdb "tbreak 186\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*read 2:.*EBADF.*test_read \\(\\) at.*$srcfile:186.*" \
"Read using invalid file descriptor returns EBADF"

send_gdb "tbreak 221\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*lseek 1:.*OK.*lseek 2:.*OK.*lseek 3:.*OK.*test_lseek \\(\\) at.*$srcfile:221.*" \
"Lseeking a file"

send_gdb "tbreak 241\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*close 1:.*OK.*test_close \\(\\) at.*$srcfile:241.*" \
"Closing a file"

send_gdb "tbreak 245\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*close 2:.*EBADF.*test_close \\(\\) at.*$srcfile:245.*" \
"Closing an invalid file descriptor returns EBADF"

send_gdb "tbreak 262\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*stat 1:.*OK.*test_stat \\(\\) at.*$srcfile:262.*" \
"Stat a file"

send_gdb "tbreak 267\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
	"Continuing\\..*stat 2:.*(ENOENT|EFAULT).*test_stat \\(\\) at.*$srcfile:267.*" \
"Stat a NULL pathname returns ENOENT or EFAULT"

send_gdb "tbreak 272\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*stat 3:.*ENOENT.*test_stat \\(\\) at.*$srcfile:272.*" \
"Stat an empty pathname returns ENOENT"

send_gdb "tbreak 276\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*stat 4:.*ENOENT.*test_stat \\(\\) at.*$srcfile:276.*" \
"Stat a nonexistant file returns ENOENT"

send_gdb "tbreak 301\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*fstat 1:.*OK.*test_fstat \\(\\) at.*$srcfile:301.*" \
"Fstat an open file"

send_gdb "tbreak 305\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*fstat 2:.*EBADF.*test_fstat \\(\\) at.*$srcfile:305.*" \
"Fstat an invalid file descriptor returns EBADF"

send_gdb "tbreak 314\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*isatty 1:.*OK.*test_isatty \\(\\) at.*$srcfile:314.*" \
"Isatty (stdin)"

send_gdb "tbreak 315\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*isatty 2:.*OK.*test_isatty \\(\\) at.*$srcfile:315.*" \
"Isatty (stdout)"

send_gdb "tbreak 317\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*isatty 3:.*OK.*test_isatty \\(\\) at.*$srcfile:317.*" \
"Isatty (stderr)"

send_gdb "tbreak 319\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*isatty 4:.*OK.*test_isatty \\(\\) at.*$srcfile:319.*" \
"Isatty (invalid fd)"

send_gdb "tbreak 327\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*isatty 5:.*OK.*test_isatty \\(\\) at.*$srcfile:327.*" \
"Isatty (open file)"

send_gdb "set remote system-call-allowed 1\n"; gdb_expect -re ".*$gdb_prompt $"
send_gdb "tbreak 347\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*system 1:.*OK.*test_system \\(\\) at.*$srcfile:347.*" \
"System(3) call"

# Is this ok?  POSIX says system returns a waitpid status?
send_gdb "tbreak 349\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*system 2:.*OK.*test_system \\(\\) at.*$srcfile:349.*" \
"System with invalid command returns 127"

send_gdb "tbreak 378\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*rename 1:.*OK.*test_rename \\(\\) at.*$srcfile:378.*" \
"Rename a file"

send_gdb "tbreak 383\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*rename 2:.*EISDIR.*test_rename \\(\\) at.*$srcfile:383.*" \
"Renaming a file to existing directory returns EISDIR"

send_gdb "tbreak 388\n" ; gdb_expect -re "$gdb_prompt $"
set test "Renaming a directory to a non-empty directory returns ENOTEMPTY or EEXIST"
gdb_test_multiple continue "${test}" {
    -re "Continuing\\..*rename 3:.*(ENOTEMPTY|EEXIST).*test_rename \\(\\) at.*$srcfile:388.*$gdb_prompt $" {
	pass "${test}"
    }
    -re "Continuing\\..*rename 3:.*EBUSY.*test_rename \\(\\) at.*$srcfile:388.*$gdb_prompt $" {
	# At least version <= 2.6/2004-01-08 of the Linux Kernel gets
	# this wrong (reporting EBUSY) when the file system is NFS
	# mounted.
	setup_xfail *-*-*linux* gdb/1502
	fail "${test}"
    }
}

send_gdb "tbreak 393\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*rename 4:.*EINVAL.*test_rename \\(\\) at.*$srcfile:393.*" \
"Renaming a directory to a subdir of itself returns EINVAL"

send_gdb "tbreak 397\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*rename 5:.*ENOENT.*test_rename \\(\\) at.*$srcfile:397.*" \
"Renaming a nonexistant file returns ENOENT"

send_gdb "tbreak 412\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*unlink 1:.*OK.*test_unlink \\(\\) at.*$srcfile:412.*" \
"Unlink a file"

send_gdb "tbreak 432\n" ; gdb_expect -re "$gdb_prompt $"
# This test fails on Cygwin because unlink() succeeds on Win32 systems
# in that situation.
if [ishost *cygwin*] {
    setup_xfail "*-*-*"
}
gdb_test continue \
"Continuing\\..*unlink 2:.*EACCES.*test_unlink \\(\\) at.*$srcfile:432.*" \
"Unlinking a file in a directory w/o write access returns EACCES"

send_gdb "tbreak 436\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*unlink 3:.*ENOENT.*test_unlink \\(\\) at.*$srcfile:436.*" \
"Unlinking a nonexistant file returns ENOENT"

send_gdb "tbreak 446\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*time 1:.*OK.*test_time \\(\\) at.*$srcfile:446.*" \
"Time(2) call returns the same value as in parameter"

sleep 2
send_gdb "tbreak 450\n" ; gdb_expect -re "$gdb_prompt $"
gdb_test continue \
"Continuing\\..*time 2:.*OK.*test_time \\(\\) at.*$srcfile:450.*" \
"Time(2) returns feasible values"

send_gdb "quit\n"
send_gdb "y\n"

remote_exec build {sh -xc test\ -r\ dir2.fileio.test\ &&\ chmod\ -f\ +w\ dir2.fileio.test}
remote_exec build {sh -xc rm\ -rf\ *.fileio.test}

set timeout $oldtimeout
return 0