e22f8b7c8c
Switch the license of all .f and .f90 files to GPLv3.
Switch the license of all .s and .S files to GPLv3.
167 lines
4.9 KiB
Text
167 lines
4.9 KiB
Text
# Copyright 2005, 2006, 2007 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
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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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if $tracelevel then {
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strace $tracelevel
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}
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if { [is_remote target] || ![isnative] } then {
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continue
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}
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# Until "set follow-fork-mode" and "catch fork" are implemented on
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# other targets...
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#
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if {![istarget "hppa*-hp-hpux*"] && ![istarget "*-*-linux*"]} then {
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continue
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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 "multi-forks"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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untested multi-forks.exp
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return -1
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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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global gdb_prompt
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# This is a test of gdb's ability to follow the parent, child or both
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# parent and child of multiple Unix fork() system calls.
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#
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# Inferior program calls fork 4 times. Since each fork
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# calls fork 4 times, there will be 16 forks. Each fork
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# saves the return values of its own 4 fork calls.
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# First set gdb to follow the child.
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# The result should be that each of the 4 forks returns zero.
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runto_main
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set exit_bp_loc [gdb_get_line_number "Set exit breakpoint here."]
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gdb_test "break $exit_bp_loc" "Breakpoint.* at .*" "Break at exit"
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gdb_test "set follow child" "" ""
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send_gdb "continue\n"
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gdb_expect {
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-re ".*Break.* main .*$gdb_prompt.*$" {}
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-re ".*$gdb_prompt $" {fail "run to exit 1"}
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default {fail "run to exit 1 (timeout)"}
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}
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gdb_test "print pids" "\\$.* = \\{0, 0, 0, 0\\}.*" "follow child, print pids"
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# Now set gdb to follow the parent.
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# Result should be that none of the 4 forks returns zero.
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delete_breakpoints
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runto_main
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gdb_test "break $exit_bp_loc" "Breakpoint.* at .*" "Break at exit"
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gdb_test "set follow parent" "" ""
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send_gdb "continue\n"
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gdb_expect {
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-re ".*Break.* main .*$gdb_prompt.*$" {}
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-re ".*$gdb_prompt $" {fail "run to exit 2"}
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default {fail "run to exit 2 (timeout)"}
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}
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gdb_test "print pids\[0\]==0 || pids\[1\]==0 || pids\[2\]==0 || pids\[3\]==0" \
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" = 0" "follow parent, print pids"
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#
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# Now test with detach-on-fork off.
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#
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runto_main
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gdb_test "break $exit_bp_loc" "Breakpoint.* at .*" ""
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gdb_test "help set detach-on-fork" "whether gdb will detach the child.*" \
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"help set detach"
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gdb_test "show detach-on-fork" "on." "show detach default on"
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gdb_test "set detach off" "" "set detach off"
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#
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# We will now run every fork up to the exit bp,
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# eventually winding up with 16 forks.
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#
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for {set i 1} {$i <= 15} {incr i} {
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gdb_test "continue" "Breakpoint .* main .*exit.*" "Run to exit $i"
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gdb_test "info fork" " 4 .* 3 .* 2 .* 1 .*" "info fork $i"
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gdb_test "restart $i" "(_dl_sysinfo_int80|fork|__kernel_(v|)syscall).*" \
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"restart $i"
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}
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gdb_test "continue" "Breakpoint .* main .*exit.*" "Run to exit 16"
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gdb_test "info fork" " 4 .* 3 .* 2 .* 1 .*" "info fork 16"
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gdb_test "restart 0" " main .*" "restart final"
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#
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# Now we should examine all the pids.
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#
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#
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# Test detach fork
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#
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# [assumes we're at #0]
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gdb_test "detach fork 1" "Detached .*" "Detach 1"
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gdb_test "detach fork 2" "Detached .*" "Detach 2"
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gdb_test "detach fork 3" "Detached .*" "Detach 3"
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gdb_test "detach fork 4" "Detached .*" "Detach 4"
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#
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# Test delete fork
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#
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gdb_test "delete fork 5" "" "Delete 5"
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gdb_test "info fork 5" "No fork number 5." "Did delete 5"
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gdb_test "delete fork 6" "" "Delete 6"
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gdb_test "info fork 6" "No fork number 6." "Did delete 6"
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gdb_test "delete fork 7" "" "Delete 7"
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gdb_test "info fork 7" "No fork number 7." "Did delete 7"
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gdb_test "delete fork 8" "" "Delete 8"
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gdb_test "info fork 8" "No fork number 8." "Did delete 8"
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gdb_test "delete fork 9" "" "Delete 9"
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gdb_test "info fork 9" "No fork number 9." "Did delete 9"
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gdb_test "delete fork 10" "" "Delete 10"
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gdb_test "info fork 10" "No fork number 10." "Did delete 10"
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gdb_test "delete fork 11" "" "Delete 11"
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gdb_test "info fork 11" "No fork number 11." "Did delete 11"
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gdb_test "delete fork 12" "" "Delete 12"
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gdb_test "info fork 12" "No fork number 12." "Did delete 12"
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gdb_test "delete fork 13" "" "Delete 13"
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gdb_test "info fork 13" "No fork number 13." "Did delete 13"
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gdb_test "delete fork 14" "" "Delete 14"
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gdb_test "info fork 14" "No fork number 14." "Did delete 14"
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gdb_test "delete fork 15" "" "Delete 15"
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gdb_test "info fork 15" "No fork number 15." "Did delete 15"
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return 0
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