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Raw input reader command execution "fixes".

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- Primarily working around an issue that occurs when threads
  concurrently create pipes and fork a child process.  See comment in
  code...

- Other minor cleanup of the code:  making sure the child process calls
  _exit() versus exit(), limits itself to few select system calls before
  the exec(), and closes more unused file descriptors.
This commit is contained in:
Jon Siwek 2013-08-14 11:37:30 -05:00
parent 35dfdf7288
commit d3dad31bdc
5 changed files with 138 additions and 91 deletions
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54
testing/btest/Baseline/scripts.base.frameworks.input.raw.executestdin/out
View file

@ -1,36 +1,20 @@
[source=cat |, reader=Input::READER_RAW, mode=Input::STREAM, name=input2, fields=<no value description>, want_record=F, ev=line
{
print outfile, A::description;
print outfile, A::tpe;
print outfile, A::s;
try = try + 1;
if (2 == try)
{
Input::remove(input2);
close(outfile);
terminate();
}
}, config={
[stdin] = hello^Jthere^A^B^C^D^E^A^B^Cyay
}]
Input::EVENT_NEW
Input::EVENT_NEW, cat |, input0
hello
[source=cat |, reader=Input::READER_RAW, mode=Input::STREAM, name=input2, fields=<no value description>, want_record=F, ev=line
{
print outfile, A::description;
print outfile, A::tpe;
print outfile, A::s;
try = try + 1;
if (2 == try)
{
Input::remove(input2);
close(outfile);
terminate();
}
}, config={
[stdin] = hello^Jthere^A^B^C^D^E^A^B^Cyay
}]
Input::EVENT_NEW
there^A^B^C^D^E^A^B^Cyay
Input::EVENT_NEW, cat |, input0
there^A^B^C^D^E^A^B^Cyay0
Input::EVENT_NEW, cat |, input1
hello
Input::EVENT_NEW, cat |, input1
there^A^B^C^D^E^A^B^Cyay01
Input::EVENT_NEW, cat |, input2
hello
Input::EVENT_NEW, cat |, input2
there^A^B^C^D^E^A^B^Cyay012
Input::EVENT_NEW, cat |, input3
hello
Input::EVENT_NEW, cat |, input3
there^A^B^C^D^E^A^B^Cyay0123
Input::EVENT_NEW, cat |, input4
hello
Input::EVENT_NEW, cat |, input4
there^A^B^C^D^E^A^B^Cyay01234