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handle failed fdopen

master
Daniel Kolesa 2017-05-08 04:16:47 +02:00
parent ce1b94624a
commit 6079676ac9
1 changed files with 15 additions and 3 deletions
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18
src/process.cc
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@ -214,17 +214,29 @@ OSTD_EXPORT void process_info::open_impl(
if (use_in == process_stream::PIPE) {
/* close reading end */
::close(fd_stdin[0]);
in.open(fdopen(fd_stdin[1], "w"), stdstream_close);
auto p = fdopen(fd_stdin[1], "w");
if (!p) {
throw process_error{errno, std::generic_category()};
}
in.open(p, stdstream_close);
}
if (use_out == process_stream::PIPE) {
/* close writing end */
::close(fd_stdout[1]);
out.open(fdopen(fd_stdout[0], "r"), stdstream_close);
auto p = fdopen(fd_stdout[0], "r");
if (!p) {
throw process_error{errno, std::generic_category()};
}
out.open(p, stdstream_close);
}
if (use_err == process_stream::PIPE) {
/* close writing end */
::close(fd_stderr[1]);
err.open(fdopen(fd_stderr[0], "r"), stdstream_close);
auto p = fdopen(fd_stderr[0], "r");
if (!p) {
throw process_error{errno, std::generic_category()};
}
err.open(p, stdstream_close);
}
pid = int(cpid);
errno_fd = fd_errno[1];