manythreads.exp

这个是LINUX下的GDB调度工具的源码

# manythreads.exp -- Expect script to test stopping many threads
# Copyright (C) 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 Jeff Johnston. ([e-mail])

if $tracelevel then {
	strace $tracelevel
}

set prms_id 0
set bug_id 0

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

if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } {
    return -1
}

gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
gdb_test "set print sevenbit-strings" ""
runto_main

# We'll need this when we send_gdb a ^C to GDB.  Need to do it before we
# run the program and gdb starts saving and restoring tty states.
# On Ultrix, we don't need it and it is really slow (because shell_escape
# doesn't use vfork).
if ![istarget "*-*-ultrix*"] then {
    gdb_test "shell stty intr '^C'" ""
}

set message "first continue"
gdb_test_multiple "continue" "first continue" {
  -re "error:.*$gdb_prompt $" {
    fail "$message"
  }
  -re "Continuing" {
    pass "$message"
  }
}

# Send a Ctrl-C and verify that we can do info threads and continue
after 1000
send_gdb "\003"
set message "stop threads 1"
gdb_test_multiple "" "stop threads 1" {
  -re "\\\[New \[^\]\]*\\\]\r\n" {
    exp_continue
  }
  -re "\\\[\[^\]\]* exited\\\]\r\n" {
    exp_continue
  }
  -re "Thread \[^\n\]* executing\r\n" {
    exp_continue
  }
  -re "Program received signal SIGINT.*$gdb_prompt $" {
    pass "$message"
  }
  timeout {
    fail "$message (timeout)"
  }
}

gdb_test "info threads" ".*1 Thread.*.LWP.*"

set message "second continue"
gdb_test_multiple "continue" "second continue" {
  -re "error:.*$gdb_prompt $" {
    fail "$message"
  }
  -re "Continuing" {
    pass "$message"
  }
}

# Send another Ctrl-C and verify that we can do info threads and quit
after 1000
send_gdb "\003"
set message "stop threads 2"
gdb_test_multiple "" "stop threads 2" {
  -re "\\\[New \[^\]\]*\\\]\r\n" {
    exp_continue
  }
  -re "\\\[\[^\]\]* exited\\\]\r\n" {
    exp_continue
  }
  -re "Thread \[^\n\]* executing\r\n" {
    exp_continue
  }
  -re "Program received signal SIGINT.*$gdb_prompt $" {
    pass "stop threads 2"
  }
} 

gdb_test_multiple "quit" "GDB exits after stopping multithreaded program" {
    -re "The program is running.  Exit anyway\\? \\(y or n\\) $" {
	send_gdb "y\n"
	exp_continue
    }
    eof {
        pass "GDB exits after stopping multithreaded program"
    }
    timeout {
        fail "GDB exits after stopping multithreaded program (timeout)"
    }
}