TheCloud/cpp-subprocess
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Arun M 2020-06-13 13:06:28 +05:30
commit 718d0c816a
2 changed files with 6 additions and 4 deletions
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2
README.md
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@ -1,4 +1,4 @@
![Subprocessing in C++] ## [Subprocessing in C++]
## Design Goals ## Design Goals
The only goal was to develop something that is as close as python2.7 subprocess module in dealing with processes. The only goal was to develop something that is as close as python2.7 subprocess module in dealing with processes.

8
subprocess.hpp
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@ -674,7 +674,7 @@ struct input
} }
input(IOTYPE typ) { input(IOTYPE typ) {
assert (typ == PIPE && "STDOUT/STDERR not allowed"); assert (typ == PIPE && "STDOUT/STDERR not allowed");
#ifndef _MSC_VER #ifndef _MSC_VER
std::tie(rd_ch_, wr_ch_) = util::pipe_cloexec(); std::tie(rd_ch_, wr_ch_) = util::pipe_cloexec();
#endif #endif
} }
@ -1303,7 +1303,10 @@ inline int Popen::wait() noexcept(false)
inline int Popen::poll() noexcept(false) inline int Popen::poll() noexcept(false)
{ {
int status; int status;
#ifndef _MSC_VER
if (!child_created_) return -1; // TODO: ?? if (!child_created_) return -1; // TODO: ??
#endif
#ifdef _MSC_VER #ifdef _MSC_VER
int ret = WaitForSingleObject(process_handle_, 0); int ret = WaitForSingleObject(process_handle_, 0);
@ -1672,12 +1675,11 @@ namespace detail {
std::string err_msg(exp.what()); std::string err_msg(exp.what());
//ATTN: Can we do something on error here ? //ATTN: Can we do something on error here ?
util::write_n(err_wr_pipe_, err_msg.c_str(), err_msg.length()); util::write_n(err_wr_pipe_, err_msg.c_str(), err_msg.length());
throw;
} }
// Calling application would not get this // Calling application would not get this
// exit failure // exit failure
exit (EXIT_FAILURE); _exit (EXIT_FAILURE);
#endif #endif
} }