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popen: add getter for pid

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This commit is contained in:
Steffen Vogel 2019-06-05 18:58:56 +02:00
parent 7d10faf76f
commit ca1e944fce
2 changed files with 11 additions and 6 deletions
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11
common/include/villas/popen.hpp
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@ -48,21 +48,26 @@ public:
int close(); int close();
void kill(int signal = SIGINT); void kill(int signal = SIGINT);
std::istream &in() std::istream &cin()
{ {
return *(input.stream); return *(input.stream);
} }
std::ostream &out() std::ostream &cout()
{ {
return *(output.stream); return *(output.stream);
} }
int fd() int getFd()
{ {
return input.buffer->fd(); return input.buffer->fd();
} }
pid_t getPid() const
{
return pid;
}
protected: protected:
std::string command; std::string command;
pid_t pid; pid_t pid;

6
common/tests/unit/popen.cpp
View file

@ -33,12 +33,12 @@ Test(popen, cat)
{ {
Popen proc("cat"); Popen proc("cat");
proc.out() << "Hello World" << std::endl; proc.cout() << "Hello World" << std::endl;
proc.out().flush(); proc.cout().flush();
std::string str, str2; std::string str, str2;
proc.in() >> str >> str2; proc.cin() >> str >> str2;
cr_assert_eq(str, "Hello"); cr_assert_eq(str, "Hello");
cr_assert_eq(str2, "World"); cr_assert_eq(str2, "World");