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Don't complain if do_builtin_io fails due to EPIPE

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If stdio is dead due to EPIPE, there's no great reason to spew a stack dump.

This will still write an error to stderr if stdout dies.  This might be
undesirable, but changing that should be considered separately.
This commit is contained in:
Andy Lutomirski 2015-09-15 18:24:11 -07:00 committed by ridiculousfish
parent 0212314479
commit f17a71de74
2 changed files with 3 additions and 2 deletions
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2
src/exec.cpp
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@ -1181,7 +1181,7 @@ void exec_job(parser_t &parser, job_t *j)
const std::string outbuff = wcs2string(stdout_buffer);
const std::string errbuff = wcs2string(stderr_buffer);
bool builtin_io_done = do_builtin_io(outbuff.data(), outbuff.size(), errbuff.data(), errbuff.size());
if (! builtin_io_done)
if (! builtin_io_done && errno != EPIPE)
{
show_stackframe();
}

3
src/postfork.cpp
View file

@ -569,12 +569,13 @@ bool do_builtin_io(const char *out, size_t outlen, const char *err, size_t errle
bool success = true;
if (out && outlen)
{
if (write_loop(STDOUT_FILENO, out, outlen) < 0)
{
int e = errno;
debug_safe(0, "Error while writing to stdout");
safe_perror("write_loop");
success = false;
errno = e;
}
}