Hi Elder, It's really a problem on this cases. My solution is to deal with the semaphore ID with 0 individually. So I have to separate the semaphore ID with 0 from other IDs.
# ipcs -s -i 0 Semaphore Array semid=0 uid=0 gid=0 cuid=0 cgid=0 mode=0600, access_perms=0600 nsems = 1 otime = Tue Oct 7 09:08:53 2008 ctime = Tue Oct 7 09:08:53 2008 semnum value ncount zcount pid 0 1 0 1 2347 #echo $? 0 # ipcrm -s 0 # ipcs -s -i 0 semctl : Invalid argument # echo $? 0 It seemed a error in return value. I opened a bug and provided a patch to redhat for the wrong return value. https://bugzilla.redhat.com/show_bug.cgi?id=465911 Best regards! Jin Bing Guo 郭晋兵 Elder Costa <[EMAIL PROTECTED] a.com.br> To [email protected] 10/07/2008 03:11 cc AM Subject [LTP] bug: run_semaphore_test_01.sh The very first time this testcase is run it fails. Subsequent runs are OK. AFAICT the problem is that the first time the test runs the semaphore ID is 0 and thus the line SEMS=`ipcs -s | awk '{printf " %d", $2}' | sed -e 's/ 0//g'` returns an empty string as the awk output is a sequence of zeros (0 0 0 0 0). Bellow I attach two consecutive runs with debug information. Is it possible to fix this behavior? I am not familiar with awk/sed so I have no clue of how to do it. Regards Elder. + RC=0 + setup + export TST_TOTAL=1 + TST_TOTAL=1 + LTPTMP=/tmp/ltp-061008-160927/ltp-3341 + export TCID=setup + TCID=setup + export TST_COUNT=0 + TST_COUNT=0 + trap cleanup 0 + RC=0 + SEM_ID=0 + '[' -f /root/ltp/ltp-cvs-081006a/testcases/bin/semaphore_test_01 ']' + RC=0 + return 0 + test01 + TCID=semaphore_test_01 + TST_COUNT=1 + RC=0 ++ semaphore_test_01 + SEM_ID=0 + RC=0 + '[' 0 -ne 0 ']' + tst_resm TINFO 'Created semaphore ID: 0' semaphore_test_01 0 INFO : Created semaphore ID: 0 + ipcs -s ------ Semaphore Arrays -------- key semid owner perms nsems 0x00000000 0 root 660 1 ++ ipcs -s ++ awk '{printf " %d", $2}' ++ sed -e 's/ 0//g' + SEMS= + echo SEMS= SEMS= + RC=1 + tst_resm TFAIL 'Comparing failed with the output of '\''ipcs -s'\''.' semaphore_test_01 1 FAIL : Comparing failed with the output of 'ipcs -s'. + return 1 + exit 1 + cleanup + '[' -n '' ']' + tst_resm TINFO 'CLOSE: exit.' semaphore_test_01 0 INFO : CLOSE: exit. + RC=0 + setup + export TST_TOTAL=1 + TST_TOTAL=1 + LTPTMP=/tmp/ltp-061008-160937/ltp-3426 + export TCID=setup + TCID=setup + export TST_COUNT=0 + TST_COUNT=0 + trap cleanup 0 + RC=0 + SEM_ID=0 + '[' -f /root/ltp/ltp-cvs-081006a/testcases/bin/semaphore_test_01 ']' + RC=0 + return 0 + test01 + TCID=semaphore_test_01 + TST_COUNT=1 + RC=0 ++ semaphore_test_01 + SEM_ID=32768 + RC=0 + '[' 0 -ne 0 ']' + tst_resm TINFO 'Created semaphore ID: 32768' semaphore_test_01 0 INFO : Created semaphore ID: 32768 + ipcs -s ------ Semaphore Arrays -------- key semid owner perms nsems 0x00000000 32768 root 660 1 ++ awk '{printf " %d", $2}' ++ sed -e 's/ 0//g' ++ ipcs -s + SEMS=' 32768' + echo SEMS= 32768 SEMS= 32768 + for SEM_IPCS in '$SEMS' + '[' 32768 -eq 32768 ']' + tst_resm TPASS 'semaphore ID comparing passed.' semaphore_test_01 1 PASS : semaphore ID comparing passed. + return 0 + cleanup + '[' -n 32768 ']' + ipcrm -s 32768 + tst_resm TINFO 'CLOSE: exit.' semaphore_test_01 0 INFO : CLOSE: exit. ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Ltp-list mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ltp-list
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