Record Case Detail

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 pwd: /out/package
ppid: 45603
   1: WRITELN sleep 10
   2: CTRL+C
Scan child pids of ppid: 45603
SIGINT
Send signal 2 to pid: 45603
Scan child pids of ppid: 45604
Send signal 2 to pid: 45604
Scan child pids of ppid: 45606
Send signal 2 to pid: 45606
   3: WRITELN echo 123 > 1.txt
   4: WRITELN sleep 10 > 1.txt
   5: CTRL+C
Scan child pids of ppid: 45603
SIGINT
Send signal 2 to pid: 45603
Scan child pids of ppid: 45604
Send signal 2 to pid: 45604
Scan child pids of ppid: 45611
Send signal 2 to pid: 45611
   6: WRITELN cat 1.txt
   7: WRITELN echo success
   8: CTRL+C
Scan child pids of ppid: 45603
SIGINT
Send signal 2 to pid: 45603
Scan child pids of ppid: 45604
Send signal 2 to pid: 45604
Scan child pids of ppid: 45616
Send signal 2 to pid: 45616
   9: WRITELN exit
exit: 1

Your answer may be identical to the JOJ answer in the first several lines.

However, the main problem you meet now is Runtime Error. And the exit code of your program is 1, which should be 0.

Please double check your code to solve this problem and try again.

mumsh $ 
mumsh $ mumsh $ 
mumsh $ mumsh $ success
mumsh $ 
mumsh $ 
=================================================================
==45604==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 64 byte(s) in 2 object(s) allocated from:
    #0 0x4dd6d0  (/out/package/mumsh_memory_check+0x4dd6d0)
    #1 0x515bc5  (/out/package/mumsh_memory_check+0x515bc5)
    #2 0x51810a  (/out/package/mumsh_memory_check+0x51810a)
    #3 0x51f8f7  (/out/package/mumsh_memory_check+0x51f8f7)
    #4 0x525798  (/out/package/mumsh_memory_check+0x525798)
    #5 0x7f3be877bb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

Direct leak of 64 byte(s) in 2 object(s) allocated from:
    #0 0x4dd6d0  (/out/package/mumsh_memory_check+0x4dd6d0)
    #1 0x515bc5  (/out/package/mumsh_memory_check+0x515bc5)
    #2 0x518478  (/out/package/mumsh_memory_check+0x518478)
    #3 0x51f8f7  (/out/package/mumsh_memory_check+0x51f8f7)
    #4 0x525798  (/out/package/mumsh_memory_check+0x525798)
    #5 0x7f3be877bb96  (/lib/x86_64-linux-gnu/libc.so.6+

mumsh $ 
mumsh $ mumsh $ 
mumsh $ mumsh $ success
mumsh $ 
mumsh $ exit

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