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[PATCH 1/4] New test for removing socket file in gdb.trace/strace.exp.


This new test can expose the problem that socket file is not removed
under some different situations,

We'll see three fails in both native and gdbserver testing,

 FAIL: gdb.trace/strace.exp: remove_socket_after_quit: socket file removed
 FAIL: gdb.trace/strace.exp: remove_socket_after_detach: socket file removed
 FAIL: gdb.trace/strace.exp: remove_socket_after_continue: socket file removed

gdb/testsuite:

2012-06-09  Yao Qi  <yao@codesourcery.com>

	PR gdb/14161.
	* gdb.trace/strace.exp (strace_remove_socket): New proc.
---
 gdb/testsuite/gdb.trace/strace.exp |   69 ++++++++++++++++++++++++++++++++++++
 1 files changed, 69 insertions(+), 0 deletions(-)

diff --git a/gdb/testsuite/gdb.trace/strace.exp b/gdb/testsuite/gdb.trace/strace.exp
index 51da92b..f141e9b 100644
--- a/gdb/testsuite/gdb.trace/strace.exp
+++ b/gdb/testsuite/gdb.trace/strace.exp
@@ -39,6 +39,68 @@ if { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $additional_flags
     return -1
 }
 
+# Test socket file is removed when GDB quit, detach or resume inferior until it
+# exits.
+
+proc strace_remove_socket { action } {
+    with_test_prefix "remove_socket_after_${action}" {
+
+    global executable
+    global gdb_prompt
+
+    # Restart with a fresh gdb.
+    clean_restart $executable
+    if ![runto_main] {
+	fail "Can't run to main"
+	return -1
+    }
+
+    # List the markers in program.
+    gdb_test "info static-tracepoint-markers" \
+	".*ust/bar\[\t \]+n\[\t \]+.*ust/bar2\[\t \]+n\[\t \]+.*"
+
+    set pid ""
+    set test "collect pid"
+    gdb_test_multiple "info inferiors" $test {
+	-re "process (\[-0-9a-fx\]+) \[^\n\]*\n.*${gdb_prompt} $" {
+	    set pid $expect_out(1,string)
+	    pass $test
+	}
+	-re ".*${gdb_prompt} $" {
+	    fail $test
+	}
+    }
+
+    set test "socket file exists"
+    set socket_file "/tmp/gdb_ust${pid}"
+    if { [file exists $socket_file] } {
+	pass $test
+    } else {
+	fail $test
+    }
+
+    send_gdb "${action}\n"
+    gdb_expect {
+	-re "A debugging session is active.\r\n.*\r\nQuit anyway\\? \\(y or n\\) $" {
+	    send_gdb "y\n"
+	}
+	-re "Detaching .*, process .*$" {
+	}
+	-re "Continuing.*$" {
+	}
+    }
+
+    sleep 2
+
+    set test "socket file removed"
+    if { [file exists $socket_file] } {
+	fail $test
+    } else {
+	pass $test
+    }
+
+}}
+
 proc strace_info_marker { } { with_test_prefix "info_marker" {
     global executable
     global gdb_prompt
@@ -253,6 +315,9 @@ if ![runto_main] {
 if { ![is_remote target]
      && ([istarget "x86_64-*-linux*"] || [istarget "i\[34567\]86-*-linux*"]) } {
     strace_info_marker
+    strace_remove_socket "quit"
+    strace_remove_socket "detach"
+    strace_remove_socket "continue"
     return
 }
 
@@ -263,6 +328,10 @@ if { ![gdb_target_supports_trace] } then {
 
 gdb_load_shlibs $libipa
 
+strace_remove_socket "quit"
+strace_remove_socket "detach"
+strace_remove_socket "continue"
+
 strace_info_marker
 strace_probe_marker
 
-- 
1.7.0.4


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