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MINOR: quic: abort on unlisted errno on sendto()

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If an unlisted errno is reported, abort the process. If a crash is
reported on this condition, we must determine if the error code is a
bug, should interrupt emission on the fd or if we can retry the syscall.
This commit is contained in:
Amaury Denoyelle 2022-05-18 18:26:13 +02:00
parent 8fa666650f
commit ad5df386d9
1 changed files with 7 additions and 3 deletions
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10
src/quic_sock.c
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@ -339,14 +339,18 @@ size_t qc_snd_buf(struct quic_conn *qc, const struct buffer *buf, size_t count,
if (ret < try) if (ret < try)
break; break;
} }
else if (errno == EINTR) {
/* try again */
continue;
}
else if (ret == 0 || errno == EAGAIN || errno == EWOULDBLOCK || errno == ENOTCONN || errno == EINPROGRESS) { else if (ret == 0 || errno == EAGAIN || errno == EWOULDBLOCK || errno == ENOTCONN || errno == EINPROGRESS) {
/* TODO must be handle properly. It is justified for UDP ? */ /* TODO must be handle properly. It is justified for UDP ? */
qc->sendto_err++; qc->sendto_err++;
break; break;
} }
else if (errno != EINTR) { else if (errno) {
/* TODO must be handle properly. It is justified for UDP ? */ /* TODO unlisted errno : handle it explicitely. */
qc->sendto_err++; ABORT_NOW();
} }
} }