87b0bb13cb
* common/linux-procfs.c (linux_proc_get_int): New, from linux_proc_get_tgid, change its LWPID type to pid_t, add parameter field. (linux_proc_get_tgid): Only call linux_proc_get_int. (linux_proc_get_tracerpid): New. (linux_proc_pid_has_state): New, from linux_proc_pid_is_zombie. (linux_proc_pid_is_stopped, linux_proc_pid_is_zombie): Only call linux_proc_pid_has_state. * common/linux-procfs.h (linux_proc_get_tracerpid): New declaration. * common/linux-ptrace.c: Include linux-procfs.h and buffer.h. (linux_ptrace_attach_warnings): New. * common/linux-ptrace.h (struct buffer, linux_ptrace_attach_warnings): New declaration. * linux-nat.c: Include exceptions.h, linux-ptrace.h and buffer.h. (linux_nat_attach): New variables ex, buffer, message and message_s. Wrap to_attach by TRY_CATCH and call linux_ptrace_attach_warnings. gdb/gdbserver/ * linux-low.c (linux_attach_lwp_1): New variable buffer. Call linux_ptrace_attach_warnings. gdb/testsuite/ * gdb.base/attach-twice.c: New files. * gdb.base/attach-twice.exp: New files.
52 lines
1.6 KiB
Text
52 lines
1.6 KiB
Text
# Copyright (C) 2012 Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Manipulation with PID on target is not supported.
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if [is_remote target] then {
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return 0
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}
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set testfile attach-twice
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set executable ${testfile}
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set binfile ${objdir}/${subdir}/${executable}
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if { [prepare_for_testing ${testfile}.exp $executable] } {
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return -1
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}
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set testpid [eval exec $binfile &]
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exec sleep 2
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set parentpid 0
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set test "attach"
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gdb_test_multiple "attach $testpid" $test {
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-re "Attaching to program: \[^\r\n\]*, process $testpid\r\n.*warning: process $testpid is already traced by process (\[0-9\]+)\r\n.*ptrace: Operation not permitted\\.\r\n$gdb_prompt $" {
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set parentpid $expect_out(1,string)
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pass $test
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}
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-re "Attaching to program: \[^\r\n\]*, process $testpid\r\n.*ptrace: Operation not permitted\\.\r\n$gdb_prompt $" {
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fail $test
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}
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-re "\r\n$gdb_prompt $" {
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xfail $test
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}
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}
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eval exec ps xfw
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if {$parentpid != 0} {
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eval exec kill -9 $parentpid
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}
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eval exec kill -9 $testpid
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