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commit d09defa86b31bd665a3a148ed15713aced8ae227
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Author: David Smith <dsmith@redhat.com>
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Date: Thu Mar 9 11:11:49 2017 -0600
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Add PR19021 test case to task_dentry_path.exp.
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diff --git a/testsuite/systemtap.base/task_dentry_path.exp b/testsuite/systemtap.base/task_dentry_path.exp
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index 9bb7b9d..00b9e02 100644
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--- a/testsuite/systemtap.base/task_dentry_path.exp
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+++ b/testsuite/systemtap.base/task_dentry_path.exp
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@@ -3,7 +3,8 @@
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# unmounted synthentic filesystem, it would go into an infinite loop
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# (until killed by MAXACTION).
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-set test "task_dentry_path"
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+set test_base "task_dentry_path"
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+set test "${test_base}"
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# Only run on make installcheck
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if {! [installtest_p]} { untested "$test"; return }
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@@ -18,3 +19,17 @@ expect {
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}
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catch {close}; catch {wait}
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if {$ok == 1} { fail "$test ($ok)" } { pass "$test ($ok)" }
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+
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+# Test the fix for PR19021 - the tapset function task_dentry_path()
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+# should handle more than just files.
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+set test "${test_base}2"
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+spawn stap $srcdir/$subdir/$test.stp -c "echo hi | cat > /dev/null"
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+set ok 0
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+expect {
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+ -timeout 150
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+ -re {^pipe:\[[0-9]+\]\r\n} { incr ok; exp_continue }
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+ timeout { fail "$test (timeout)" }
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+ eof { }
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+}
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+catch {close}; catch {wait}
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+if {$ok == 1} { pass "$test" } { fail "$test ($ok)" }
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diff --git a/testsuite/systemtap.base/task_dentry_path2.stp b/testsuite/systemtap.base/task_dentry_path2.stp
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new file mode 100644
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index 0000000..3fc9db4
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--- /dev/null
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+++ b/testsuite/systemtap.base/task_dentry_path2.stp
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@@ -0,0 +1,6 @@
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+probe kernel.function("pipe_read") {
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+ t = task_current()
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+ println(task_dentry_path(t, $iocb->ki_filp->f_path->dentry,
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+ $iocb->ki_filp->f_path->mnt))
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+ exit()
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+}
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