* gdb.threads/print-threads.c: New file.
* gdb.threads/print-threads.exp: New file.
* gdb.threads/schedlock.c: New file.
* gdb.threads/schedlock.exp: New file.
This commit is contained in:
Daniel Jacobowitz
parent
1757409337
commit
0312286c94
|
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@ -1,3 +1,10 @@
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2002-08-23 Daniel Jacobowitz <drow@mvista.com>
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* gdb.threads/print-threads.c: New file.
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* gdb.threads/print-threads.exp: New file.
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* gdb.threads/schedlock.c: New file.
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* gdb.threads/schedlock.exp: New file.
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2002-08-22 Elena Zannoni <ezannoni@redhat.com>
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* gdb.arch/altivec-abi.exp: The source C file is altivec-abi.c,
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@ -0,0 +1,58 @@
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <pthread.h>
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void *thread_function(void *arg); /* Pointer to function executed by each thread */
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int slow = 0;
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#define NUM 5
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int main() {
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int res;
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pthread_t threads[NUM];
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void *thread_result;
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int args[NUM];
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int i;
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for (i = 0; i < NUM; i++)
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{
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args[i] = i;
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res = pthread_create(&threads[i], NULL, thread_function, (void *)&args[i]);
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}
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for (i = 0; i < NUM; i++)
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res = pthread_join(threads[i], &thread_result);
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printf ("Done\n");
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if (slow)
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sleep (4);
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exit(EXIT_SUCCESS);
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}
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void *thread_function(void *arg) {
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int my_number = *(int *)arg;
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int rand_num;
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printf ("Print 1, thread %d\n", my_number);
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sleep (1);
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if (slow)
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{
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printf ("Print 2, thread %d\n", my_number);
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sleep (1);
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printf ("Print 3, thread %d\n", my_number);
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sleep (1);
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printf ("Print 4, thread %d\n", my_number);
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sleep (1);
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printf ("Print 5, thread %d\n", my_number);
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sleep (1);
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}
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printf("Bye from %d\n", my_number);
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pthread_exit(NULL);
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}
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@ -0,0 +1,156 @@
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# Copyright (C) 1996, 1997, 2002 Free Software Foundation, Inc.
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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
|
||||
# the Free Software Foundation; either version 2 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
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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
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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||||
# GNU General Public License for more details.
|
||||
#
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||||
# 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.
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||||
|
||||
# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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# This file was written by Daniel Jacobowitz <drow@mvista.com>
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# (parts based on pthreads.exp by Fred Fish (fnf@cygnus.com).
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#
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# It tests miscellaneous actions with multiple threads, including
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# handling for thread exit.
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if $tracelevel then {
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strace $tracelevel
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}
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set prms_id 0
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set bug_id 0
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set testfile "print-threads"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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# regexp for "horizontal" text (i.e. doesn't include newline or
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# carriage return)
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set horiz "\[^\n\r\]*"
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set built_binfile 0
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# Default to the usual (only?) -lpthread on GNU/Linux to quiet noise
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if [istarget "*-*-linux*"] then {
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set possible_libs "-lpthread -lpthreads -lthread"
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||||
} else {
|
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set possible_libs "-lpthreads -lpthread -lthread"
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}
|
||||
|
||||
set why_msg "unrecognized error"
|
||||
foreach lib $possible_libs {
|
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set options "debug"
|
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lappend options "incdir=${objdir}/${subdir}"
|
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lappend options "libs=$lib"
|
||||
set ccout [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $options]
|
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switch -regexp -- $ccout {
|
||||
".*no posix threads support.*" {
|
||||
set why_msg "missing threads include file"
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||||
break
|
||||
}
|
||||
".*cannot open -lpthread.*" {
|
||||
set why_msg "missing runtime threads library"
|
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}
|
||||
".*Can't find library for -lpthread.*" {
|
||||
set why_msg "missing runtime threads library"
|
||||
}
|
||||
{^$} {
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||||
pass "successfully compiled posix threads test case"
|
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set built_binfile 1
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
if {$built_binfile == "0"} {
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||||
unsupported "Couldn't compile ${srcfile}, ${why_msg}"
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return -1
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}
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|
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# Now we can proceed with the real testing.
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|
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# Start with a fresh gdb.
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gdb_exit
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gdb_start
|
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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|
||||
gdb_test "set print sevenbit-strings" ""
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||||
#gdb_test "set print address off" ""
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gdb_test "set width 0" ""
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||||
|
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# We'll need this when we send_gdb a ^C to GDB. Need to do it before we
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||||
# 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
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# doesn't use vfork).
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if ![istarget "*-*-ultrix*"] then {
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gdb_test "shell stty intr '^C'" ""
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}
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proc test_all_threads { name kill } {
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global gdb_prompt
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set i 0
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set j 0
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send_gdb "continue\n"
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gdb_expect {
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-re "Breakpoint \[0-9\]+, thread_function \\(arg=.*\\) at .*print-threads.c:\[0-9\]+.*$gdb_prompt" {
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set i [expr $i + 1]
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pass "Hit thread_function breakpoint, $i ($name)"
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send_gdb "continue\n"
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exp_continue
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||||
}
|
||||
-re "Breakpoint \[0-9\]+, .* kill \\(.*\\) .*$gdb_prompt" {
|
||||
set j [expr $j + 1]
|
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if { $kill == 1 } {
|
||||
pass "Hit kill breakpoint, $j ($name)"
|
||||
} else {
|
||||
fail "Hit kill breakpoint, $j ($name) (unexpected)"
|
||||
}
|
||||
send_gdb "continue\n"
|
||||
exp_continue
|
||||
}
|
||||
-re "Program exited normally\\.\[\r\n\]+$gdb_prompt" {
|
||||
pass "program exited normally"
|
||||
if {$i == 5} {
|
||||
pass "all threads ran once ($name)"
|
||||
} else {
|
||||
fail "all threads ran once ($name) (total $i threads ran)"
|
||||
}
|
||||
}
|
||||
-re "$gdb_prompt" {
|
||||
fail "Running threads ($name) (unknown output)"
|
||||
}
|
||||
timeout {
|
||||
fail "Running threads ($name) (timeout)"
|
||||
}
|
||||
}
|
||||
}
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||||
|
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runto_main
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gdb_test "break thread_function" "Breakpoint \[0-9\]+ at 0x\[0-9a-f\]+: file .*print-threads.c, line \[0-9\]*\\."
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gdb_test "set var slow = 0" ""
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test_all_threads "fast" 0
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runto_main
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gdb_test "break thread_function" "Breakpoint \[0-9\]+ at 0x\[0-9a-f\]+: file .*print-threads.c, line \[0-9\]*\\." "break thread_function (2)"
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gdb_test "set var slow = 1" ""
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test_all_threads "slow" 0
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runto_main
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gdb_test "break thread_function" "Breakpoint \[0-9\]+ at 0x\[0-9a-f\]+: file .*print-threads.c, line \[0-9\]*\\." "break thread_function (3)"
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gdb_test "set var slow = 1" "" "set var slow = 1 (2)"
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gdb_test "break kill" "Breakpoint \[0-9\]+ at 0x\[0-9a-f\]+"
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test_all_threads "slow with kill breakpoint" 1
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return 0
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||||
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@ -0,0 +1,44 @@
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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||||
#include <pthread.h>
|
||||
|
||||
void *thread_function(void *arg); /* Pointer to function executed by each thread */
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||||
|
||||
#define NUM 5
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||||
|
||||
int args[NUM+1];
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||||
|
||||
int main() {
|
||||
int res;
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||||
pthread_t threads[NUM];
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||||
void *thread_result;
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||||
int i;
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||||
|
||||
for (i = 0; i < NUM; i++)
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||||
{
|
||||
args[i] = 1;
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||||
res = pthread_create(&threads[i], NULL, thread_function, (void *)i);
|
||||
}
|
||||
|
||||
/* schedlock.exp: last thread start. */
|
||||
args[i] = 1;
|
||||
thread_function ((void *) i);
|
||||
|
||||
exit(EXIT_SUCCESS);
|
||||
}
|
||||
|
||||
void *thread_function(void *arg) {
|
||||
int my_number = (int) arg;
|
||||
int *myp = &args[my_number];
|
||||
|
||||
/* Don't run forever. Run just short of it :) */
|
||||
while (*myp > 0)
|
||||
{
|
||||
/* schedlock.exp: main loop. */
|
||||
(*myp) ++;
|
||||
}
|
||||
|
||||
pthread_exit(NULL);
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,353 @@
|
|||
# Copyright (C) 1996, 1997, 2002 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:
|
||||
# bug-gdb@prep.ai.mit.edu
|
||||
|
||||
# This file was written by Daniel Jacobowitz <drow@mvista.com>
|
||||
# (parts based on pthreads.exp by Fred Fish (fnf@cygnus.com).
|
||||
#
|
||||
# This test covers the various forms of "set scheduler-locking".
|
||||
|
||||
if $tracelevel then {
|
||||
strace $tracelevel
|
||||
}
|
||||
|
||||
set prms_id 0
|
||||
set bug_id 0
|
||||
|
||||
set testfile "schedlock"
|
||||
set srcfile ${testfile}.c
|
||||
set binfile ${objdir}/${subdir}/${testfile}
|
||||
|
||||
set built_binfile 0
|
||||
|
||||
# Default to the usual (only?) -lpthread on GNU/Linux to quiet noise
|
||||
if [istarget "*-*-linux*"] then {
|
||||
set possible_libs "-lpthread -lpthreads -lthread"
|
||||
} else {
|
||||
set possible_libs "-lpthreads -lpthread -lthread"
|
||||
}
|
||||
|
||||
set why_msg "unrecognized error"
|
||||
foreach lib $possible_libs {
|
||||
set options "debug"
|
||||
lappend options "incdir=${objdir}/${subdir}"
|
||||
lappend options "libs=$lib"
|
||||
set ccout [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $options]
|
||||
switch -regexp -- $ccout {
|
||||
".*no posix threads support.*" {
|
||||
set why_msg "missing threads include file"
|
||||
break
|
||||
}
|
||||
".*cannot open -lpthread.*" {
|
||||
set why_msg "missing runtime threads library"
|
||||
}
|
||||
".*Can't find library for -lpthread.*" {
|
||||
set why_msg "missing runtime threads library"
|
||||
}
|
||||
{^$} {
|
||||
pass "successfully compiled posix threads test case"
|
||||
set built_binfile 1
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
if {$built_binfile == "0"} {
|
||||
unsupported "Couldn't compile ${srcfile}, ${why_msg}"
|
||||
return -1
|
||||
}
|
||||
|
||||
# Now we can proceed with the real testing.
|
||||
|
||||
proc get_args { } {
|
||||
global list_count
|
||||
global gdb_prompt
|
||||
|
||||
send_gdb "print args\n"
|
||||
gdb_expect {
|
||||
-re "\\\$\[0-9\]+ = {(\[0-9\]+), (\[0-9\]+), (\[0-9\]+), (\[0-9\]+), (\[0-9\]+), (\[0-9\]+)}.*$gdb_prompt"
|
||||
{
|
||||
set list_count [expr $list_count + 1]
|
||||
pass "listed args ($list_count)"
|
||||
return [list $expect_out(1,string) $expect_out(2,string) $expect_out(3,string) $expect_out(4,string) $expect_out(5,string) $expect_out(6,string)]
|
||||
}
|
||||
-re "$gdb_prompt"
|
||||
{
|
||||
fail "listed args ($list_count) (unknown output)"
|
||||
}
|
||||
timeout
|
||||
{
|
||||
fail "listed args ($list_count) (timeout)"
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
proc stop_process { description } {
|
||||
global gdb_prompt
|
||||
|
||||
# For this to work we must be sure to consume the "Continuing."
|
||||
# message first, or GDB's signal handler may not be in place.
|
||||
after 1000 {send_gdb "\003"}
|
||||
gdb_expect {
|
||||
-re "Program received signal SIGINT.*$gdb_prompt $"
|
||||
{
|
||||
pass $description
|
||||
}
|
||||
timeout
|
||||
{
|
||||
fail "$description (timeout)"
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
proc get_current_thread { description } {
|
||||
global gdb_prompt
|
||||
|
||||
send_gdb "bt\n"
|
||||
gdb_expect {
|
||||
-re "thread_function \\(arg=0x(\[0-9\])\\).*$gdb_prompt $"
|
||||
{
|
||||
pass $description
|
||||
return $expect_out(1,string)
|
||||
}
|
||||
-re "$gdb_prompt $"
|
||||
{
|
||||
fail "$description (unknown output)"
|
||||
}
|
||||
timeout
|
||||
{
|
||||
fail "$description (timeout)"
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
proc my_continue { msg } {
|
||||
send_gdb "continue\n"
|
||||
gdb_expect {
|
||||
-re "Continuing"
|
||||
{ pass "continue ($msg)" }
|
||||
timeout
|
||||
{ fail "continue ($msg) (timeout)" }
|
||||
}
|
||||
|
||||
stop_process "stop all threads ($msg)"
|
||||
|
||||
# Make sure we're in one of the looping threads.
|
||||
gdb_breakpoint [gdb_get_line_number "schedlock.exp: main loop"]
|
||||
gdb_continue_to_breakpoint "return to loop ($msg)"
|
||||
delete_breakpoints
|
||||
}
|
||||
|
||||
proc step_ten_loops { msg } {
|
||||
global gdb_prompt
|
||||
|
||||
for {set i 0} {[expr $i < 10]} {set i [expr $i + 1]} {
|
||||
send_gdb "step\n"
|
||||
set other_step 0
|
||||
gdb_expect {
|
||||
-re ".*myp\\) \\+\\+;\[\r\n\]+$gdb_prompt $" {
|
||||
pass "step to increment ($msg $i)"
|
||||
}
|
||||
-re "$gdb_prompt $" {
|
||||
if {$other_step == 0} {
|
||||
set other_step 1
|
||||
send_gdb "step\n"
|
||||
exp_continue
|
||||
} else {
|
||||
fail "step to increment ($msg $i)"
|
||||
# FIXME cascade?
|
||||
}
|
||||
}
|
||||
timeout {
|
||||
fail "step to increment ($msg $i) (timeout)"
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
# Start with a fresh gdb.
|
||||
|
||||
gdb_exit
|
||||
gdb_start
|
||||
gdb_reinitialize_dir $srcdir/$subdir
|
||||
|
||||
# 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'" ""
|
||||
}
|
||||
|
||||
gdb_load ${binfile}
|
||||
|
||||
gdb_test "set print sevenbit-strings" ""
|
||||
gdb_test "set width 0" ""
|
||||
|
||||
runto_main
|
||||
|
||||
# See if scheduler locking is available on this target.
|
||||
send_gdb "set scheduler-locking off\n"
|
||||
global gdb_prompt
|
||||
gdb_expect {
|
||||
-re "Target .* cannot support this command"
|
||||
{
|
||||
unsupported "target does not support scheduler locking"
|
||||
return
|
||||
}
|
||||
-re "$gdb_prompt $"
|
||||
{
|
||||
pass "scheduler locking set to none"
|
||||
}
|
||||
timeout
|
||||
{
|
||||
unsupported "target does not support scheduler locking (timeout)"
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
gdb_breakpoint [gdb_get_line_number "schedlock.exp: last thread start"]
|
||||
gdb_continue_to_breakpoint "all threads started"
|
||||
|
||||
global list_count
|
||||
set list_count 0
|
||||
|
||||
set start_args [get_args]
|
||||
|
||||
# First make sure that all threads are alive.
|
||||
my_continue "initial"
|
||||
|
||||
set cont_args [get_args]
|
||||
|
||||
for {set i 0} {[expr $i < 6]} {set i [expr $i + 1]} {
|
||||
if {[lindex $start_args $i] == [lindex $cont_args $i]} {
|
||||
fail "thread $i ran (didn't run)"
|
||||
} else {
|
||||
pass "thread $i ran"
|
||||
}
|
||||
}
|
||||
|
||||
# We can't change threads, unfortunately, in current GDB. Use
|
||||
# whichever we stopped in.
|
||||
set curthread [get_current_thread "find current thread (1)"]
|
||||
|
||||
|
||||
|
||||
|
||||
# Test stepping without scheduler locking.
|
||||
gdb_test "set scheduler-locking off" ""
|
||||
|
||||
step_ten_loops "unlocked"
|
||||
|
||||
# Make sure we're still in the same thread.
|
||||
set newthread [get_current_thread "find current thread (2)"]
|
||||
if {$curthread == $newthread} {
|
||||
pass "step without lock does not change thread"
|
||||
} else {
|
||||
fail "step without lock does not change thread (switched to thread $newthread)"
|
||||
}
|
||||
|
||||
set start_args $cont_args
|
||||
set cont_args [get_args]
|
||||
|
||||
for {set i 0} {[expr $i < 6]} {set i [expr $i + 1]} {
|
||||
if {[lindex $start_args $i] == [lindex $cont_args $i]} {
|
||||
if {$i == $curthread} {
|
||||
fail "current thread stepped (didn't run)"
|
||||
} else {
|
||||
fail "other thread $i ran (didn't run) (1)"
|
||||
}
|
||||
} else {
|
||||
if {$i == $curthread} {
|
||||
if {[lindex $start_args $i] == [expr [lindex $cont_args $i] - 10]} {
|
||||
pass "current thread stepped"
|
||||
} else {
|
||||
fail "current thread stepped (wrong amount)"
|
||||
}
|
||||
} else {
|
||||
pass "other thread $i ran (1)"
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
# Test continue with scheduler locking
|
||||
gdb_test "set scheduler-locking on" ""
|
||||
|
||||
my_continue "with lock"
|
||||
|
||||
# Make sure we're still in the same thread.
|
||||
set newthread [get_current_thread "find current thread (3)"]
|
||||
if {$curthread == $newthread} {
|
||||
pass "continue with lock does not change thread"
|
||||
} else {
|
||||
fail "continue with lock does not change thread (switched to thread $newthread)"
|
||||
}
|
||||
|
||||
set start_args $cont_args
|
||||
set cont_args [get_args]
|
||||
|
||||
for {set i 0} {[expr $i < 6]} {set i [expr $i + 1]} {
|
||||
if {[lindex $start_args $i] == [lindex $cont_args $i]} {
|
||||
if {$i == $curthread} {
|
||||
fail "current thread ran (didn't run)"
|
||||
} else {
|
||||
pass "other thread $i didn't run"
|
||||
}
|
||||
} else {
|
||||
if {$i == $curthread} {
|
||||
pass "current thread ran"
|
||||
} else {
|
||||
fail "other thread $i didn't run (ran)"
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
# Test stepping with scheduler locking
|
||||
step_ten_loops "locked"
|
||||
|
||||
# Make sure we're still in the same thread.
|
||||
set newthread [get_current_thread "find current thread (2)"]
|
||||
if {$curthread == $newthread} {
|
||||
pass "step with lock does not change thread"
|
||||
} else {
|
||||
fail "step with lock does not change thread (switched to thread $newthread)"
|
||||
}
|
||||
|
||||
set start_args $cont_args
|
||||
set cont_args [get_args]
|
||||
|
||||
for {set i 0} {[expr $i < 6]} {set i [expr $i + 1]} {
|
||||
if {[lindex $start_args $i] == [lindex $cont_args $i]} {
|
||||
if {$i == $curthread} {
|
||||
fail "current thread stepped locked (didn't run)"
|
||||
} else {
|
||||
pass "other thread $i didn't run (stepping)"
|
||||
}
|
||||
} else {
|
||||
if {$i == $curthread} {
|
||||
if {[lindex $start_args $i] == [expr [lindex $cont_args $i] - 10]} {
|
||||
pass "current thread stepped locked"
|
||||
} else {
|
||||
fail "current thread stepped locked (wrong amount)"
|
||||
}
|
||||
} else {
|
||||
fail "other thread $i didn't run (stepping) (ran)"
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return 0
|
||||
Loading…
Reference in New Issue