Attachment 629608 Details for Bug 862828 – scdMainWindow.py with strace records

scdMainWindow.py with strace records

strace-s-c-d-1.txt (text/plain), 3.35 KB, created by Steve Tyler on 2012-10-18 19:54:59 UTC

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Creator: Steve Tyler

Created: 2012-10-18 19:54:59 UTC

Size: 3.35 KB

patch

obsolete

>$ less -N ./system-config-date-1_9_68/src/scdMainWindow.py
>
>    146             signal.signal (signal.SIGCHLD, child_handler)
>    147             (read, write) = os.pipe ()
>
>    148             pid = os.fork ()
>                        1 451   22:22:56.727427 clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7fa029f12a10) = 2209
>    149 
>    150             if pid == 0:
>
>    151                 signal.signal (signal.SIGCHLD, signal.SIG_DFL)
>                            2 2209  22:22:56.732187 set_robust_list(0x7fa029f12a20, 24) = 0
>                            3 2209  22:22:56.732341 rt_sigaction(SIGCHLD, {SIG_DFL, [], SA_RESTORER, 0x3ede20f000},  <unfinished ...>
>                            4 2209  22:22:56.732954 <... rt_sigaction resumed> {0x3edfb0c650, [], SA_RESTORER, 0x3ede20f000}, 8) = 0
>
>    152                 # do something slow
>    153                 os.close (read)
>                            5 2209  22:22:56.732987 close(9 <unfinished ...>
>                            6 2209  22:22:56.733167 <... close resumed> ) = 0
>
>    154                 time.sleep (2)
>                            7 2209  22:22:56.733268 select(0, NULL, NULL, NULL, {2, 0} <unfinished ...>
>                            8 451   22:22:58.586935 kill(2209, SIGINT) = 0
>                            9 2209  22:22:58.587065 <... select resumed> ) = ? ERESTARTNOHAND (Interrupted by signal)
>                           10 2209  22:22:58.587119 --- SIGINT {si_signo=SIGINT, si_code=SI_USER, si_pid=451, si_uid=0} ---
>                           11 2209  22:22:58.587216 write(5, "\0", 1) = 1
>                           12 2209  22:22:58.589597 rt_sigreturn()    = -1 EINTR (Interrupted system call)
>
>    155                 retval = self.dateBackend.startNtpService (None)
>    156                 retval = str (retval)
>    157                 os.write (write, retval)
>    158                 os._exit (0)
>
>
>$ egrep '^2209|clone|kill' strace-1.log | less -N
>
>      1 451   22:22:56.727427 clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7fa029f12a10) = 2209
>      2 2209  22:22:56.732187 set_robust_list(0x7fa029f12a20, 24) = 0
>      3 2209  22:22:56.732341 rt_sigaction(SIGCHLD, {SIG_DFL, [], SA_RESTORER, 0x3ede20f000},  <unfinished ...>
>      4 2209  22:22:56.732954 <... rt_sigaction resumed> {0x3edfb0c650, [], SA_RESTORER, 0x3ede20f000}, 8) = 0
>      5 2209  22:22:56.732987 close(9 <unfinished ...>
>      6 2209  22:22:56.733167 <... close resumed> ) = 0
>      7 2209  22:22:56.733268 select(0, NULL, NULL, NULL, {2, 0} <unfinished ...>
>      8 451   22:22:58.586935 kill(2209, SIGINT) = 0
>      9 2209  22:22:58.587065 <... select resumed> ) = ? ERESTARTNOHAND (Interrupted by signal)
>     10 2209  22:22:58.587119 --- SIGINT {si_signo=SIGINT, si_code=SI_USER, si_pid=451, si_uid=0} ---
>     11 2209  22:22:58.587216 write(5, "\0", 1) = 1
>     12 2209  22:22:58.589597 rt_sigreturn()    = -1 EINTR (Interrupted system call)
>     13 2209  22:22:58.590516 getcwd("/", 1024) = 2
>     14 2209  22:22:58.591120 open("/dev/urandom", O_RDONLY <unfinished ...>
>     15 2209  22:22:58.591640 <... open resumed> ) = 9
>     16 2209  22:22:58.591692 read(9, "^O\231\223\34\360\246\234tKG\247\332\223\266\331", 16) = 16
>     17 2209  22:22:58.591801 close(9)          = 0
>     18 2209  22:22:58.591982 open("/tmp/Ghi_sg", O_RDWR|O_CREAT|O_EXCL|O_NOFOLLOW, 0600) = 9
>

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