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Remove MSG_WAITALL on every recvmsg() socket type
[lttng-tools.git]
/
src
/
common
/
sessiond-comm
/
inet6.c
diff --git
a/src/common/sessiond-comm/inet6.c
b/src/common/sessiond-comm/inet6.c
index 024beace3bed4ff8dc704936317ebc546540a1b9..ddbb50ed43aa96dc94b6f2fe4b8201c4925b8c5c 100644
(file)
--- a/
src/common/sessiond-comm/inet6.c
+++ b/
src/common/sessiond-comm/inet6.c
@@
-207,6
+207,7
@@
ssize_t lttcomm_recvmsg_inet6_sock(struct lttcomm_sock *sock, void *buf,
struct msghdr msg;
struct iovec iov[1];
ssize_t ret = -1;
struct msghdr msg;
struct iovec iov[1];
ssize_t ret = -1;
+ size_t len_last;
memset(&msg, 0, sizeof(msg));
memset(&msg, 0, sizeof(msg));
@@
-218,16
+219,21
@@
ssize_t lttcomm_recvmsg_inet6_sock(struct lttcomm_sock *sock, void *buf,
msg.msg_name = (struct sockaddr *) &sock->sockaddr.addr.sin6;
msg.msg_namelen = sizeof(sock->sockaddr.addr.sin6);
msg.msg_name = (struct sockaddr *) &sock->sockaddr.addr.sin6;
msg.msg_namelen = sizeof(sock->sockaddr.addr.sin6);
- if (flags == 0) {
- flags = MSG_WAITALL;
- }
-
do {
do {
+ len_last = iov[0].iov_len;
ret = recvmsg(sock->fd, &msg, flags);
ret = recvmsg(sock->fd, &msg, flags);
- } while (ret < 0 && errno == EINTR);
+ if (ret > 0) {
+ iov[0].iov_base += ret;
+ iov[0].iov_len -= ret;
+ assert(ret <= len_last);
+ }
+ } while ((ret > 0 && ret < len_last) || (ret < 0 && errno == EINTR));
if (ret < 0) {
if (ret < 0) {
- PERROR("recvmsg inet6");
+ PERROR("recvmsg inet");
+ } else if (ret > 0) {
+ ret = len;
}
}
+ /* Else ret = 0 meaning an orderly shutdown. */
return ret;
}
return ret;
}
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