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qemurunner.py: wait for PID to appear in procfs 

We need QEMU PID in order to access "/proc/<qemupid>/cmdline"
Having a valid QEMU PID does not mean we can access the proc entry
immediately, we need to wait for the /proc/<qemupid> to appear
before we can access it.

(From OE-Core rev: d2d069fa9910d1c7a94c898355a63fca03ec5ad8)

(From OE-Core rev: bf05abc7931a9a9e0823b24c6f4df4f93913da82)

Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Juro Bystricky 2017-09-12 12:23:27 -07:00 committed by Richard Purdie
parent 8100e7c44e
commit dd79b50980
1 changed files with 4 additions and 3 deletions
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7
meta/lib/oeqa/utils/qemurunner.py
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@ -393,9 +393,10 @@ class QemuRunner:
f = open(self.qemu_pidfile, 'r')
qemu_pid = f.read()
f.close()
#logger.info("qemu_pid: %s" % qemu_pid)
self.qemupid = int(qemu_pid)
return True
qemupid = int(qemu_pid)
if os.path.exists("/proc/" + str(qemupid)):
self.qemupid = qemupid
return True
return False
def run_serial(self, command, raw=False, timeout=5):