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Add safety checks for process tools

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This commit is contained in:
Alexey Rybalchenko 2018-11-06 10:14:35 +01:00 committed by Dennis Klein
parent 227a302903
commit 3ca0d7236a
1 changed files with 13 additions and 6 deletions
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19
fairmq/tools/Process.cxx
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@ -15,6 +15,7 @@
#include <thread>
using namespace std;
namespace bp = boost::process;
namespace fair
{
@ -44,10 +45,17 @@ execute_result execute(const string& cmd, const string& prefix, const string& in
out << prefix << cmd << endl;
// Execute command and capture stdout, add prefix line by line
boost::process::ipstream c_stdout;
boost::process::opstream c_stdin;
boost::process::child c(
cmd, boost::process::std_out > c_stdout, boost::process::std_in < c_stdin);
bp::ipstream c_stdout;
bp::opstream c_stdin;
bp::child c(cmd, bp::std_out > c_stdout, bp::std_in < c_stdin);
while (c.valid() && !c.running()) {
;
}
if (!c.valid()) {
throw runtime_error("Can't execute the given process.");
}
// Optionally, write to stdin of the child
if (input != "") {
@ -57,8 +65,7 @@ execute_result execute(const string& cmd, const string& prefix, const string& in
}
string line;
while (getline(c_stdout, line))
{
while (c.running() && getline(c_stdout, line)) {
// print full line thread-safe
stringstream printLine;
printLine << prefix << line << "\n";