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28-Jul-2014 |
Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com> |
lib/tst_res.c: introduce tst_record_childstatus()
In case we need do real test work in child process parent process can
use tst_record_childstatus() to make child process's test results
propagated to parent process correctly.
The child can use tst_resm(), tst_brkm() followed by the tst_exit() or
plain old exit() (with TPASS, TFAIL and TBROK).
WARNING: Be wary that the child cleanup function passed to tst_brkm()
must clean only resources the child has allocated. E.g. the
child cleanup is different function from the parent cleanup.
This commit also changes tst_fork() to reset the stored result value
(T_exitval in the sources) which is not strictly needed but it's cleaner
and will ease debugging.
Signed-off-by: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
/external/ltp/lib/tests/tst_record_childstatus.c
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