set expect_manager -1
for {set i 0} {$i < 5} {incr i} {
gdb_continue_to_breakpoint "about to create philosopher: $i"
+ send_gdb "info threads\n"
+ set threads_before {}
+ gdb_expect {
+ -re "info threads\r\n" {
+ exp_continue
+ }
+ -re "^\\*? +(\[0-9\]+ Thread \[0-9\]+) \[^\n\]*\n" {
+ verbose -log "found thread $expect_out(1,string)" 2
+ lappend threads_before $expect_out(1,string)
+ exp_continue
+ }
+ -re "^$gdb_prompt $" {
+ }
+ timeout {
+ fail "(timeout) info threads"
+ }
+ }
send_gdb "next\n"
+ set threads_created 0
gdb_expect {
- -re "\\\[New .*\\\].*\\\[New .*\\\].*$gdb_prompt $" {
- # Two threads are created the first time in LinuxThreads,
- # where the second is the manager thread. In NPTL, there is none.
- if {$i == 0} {
- set expect_manager 1
- }
- pass "create philosopher: $i"
+ -re "^next\r\n" {
+ exp_continue
}
- -re "\\\[New .*\\\].*$gdb_prompt $" {
- if {$i == 0} {
- set expect_manager 0
- }
- pass "create philosopher: $i"
+ -re "^\\\[New \[^\]\n\]+\\\]\[^\n\]+\n" {
+ incr threads_created
+ exp_continue
+ }
+ -re "^189\[^\n\]+\n" {
+ exp_continue
+ }
+ -re "^$gdb_prompt $" {
}
-re "Program received signal.*(Unknown signal|SIGUSR|Real-time event).*$gdb_prompt $" {
# It would be nice if we could catch the message that GDB prints
return -1
}
-re "$gdb_prompt $" {
- # We used to fail here, but not all targets announce new
- # threads as they are created. For example, the GDB
- # remote protocol target only finds out about threads when
- # they actually report some event like a breakpoint hit,
- # or when the user types 'info threads'.
- unresolved "create philosopher: $i"
}
timeout {
fail "(timeout) create philosopher: $i"
}
}
+ if { $threads_created == 0 } {
+ # Not all targets announce new threads as they are created.
+ # For example, the GDB
+ # remote protocol target only finds out about threads when
+ # they actually report some event like a breakpoint hit,
+ # or when the user types 'info threads'.
+ unsupported "create philosopher: $i"
+ } elseif { $threads_created == 1 } {
+ if { $expect_manager < 0 } {
+ set expect_manager 0
+ }
+ pass "create philosopher: $i"
+ } elseif { !$i && $threads_created == 2 } {
+ # Two threads are created the first time in LinuxThreads,
+ # where the second is the manager thread. In NPTL, there is none.
+ set expect_manager 1
+ pass "create philosopher: $i"
+ } else {
+ fail "create philosopher: $i"
+ }
+
+ send_gdb "info threads\n"
+ set threads_after {}
+ gdb_expect {
+ -re "info threads\r\n" {
+ exp_continue
+ }
+ -re "^\\*? +(\[0-9\]+ Thread \[0-9\]+) \[^\n\]+\n" {
+ set name $expect_out(1,string)
+ for {set j 0} {$j != [llength $threads_before] } {incr j} {
+ if {$name == [lindex $threads_before $j]} {
+ set threads_before [lreplace $threads_before $j $j]
+ set name ""
+ break
+ }
+ }
+ if { $name != "" } {
+ lappend threads_after $name
+ }
+ exp_continue
+ }
+ -re "^$gdb_prompt $" {
+ if { [llength $threads_before] != 0 } {
+ fail "create philosopher: $i"
+ } elseif { !$i && [llength $threads_after] == 2 } {
+ set expect_manager 1
+ pass "create philosopher: $i"
+ } elseif { [llength $threads_after] == 1 } {
+ if { $expect_manager < 0 } {
+ set expect_manager 0
+ }
+ pass "create philosopher: $i"
+ } else {
+ fail "create philosopher: $i"
+ }
+ }
+ timeout {
+ fail "(timeout) info threads"
+ }
+ }
+
}
set nthreads 6