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Fix: recvmsg should handle EINTR
[lttng-ust.git]
/
liblttng-ust-comm
/
lttng-ust-comm.c
diff --git
a/liblttng-ust-comm/lttng-ust-comm.c
b/liblttng-ust-comm/lttng-ust-comm.c
index 3277191c397f101e0cffa6dc30fdf0d3f9ed8049..21f48ed00bf00cfa10351df04950817bb968ea25 100644
(file)
--- a/
liblttng-ust-comm/lttng-ust-comm.c
+++ b/
liblttng-ust-comm/lttng-ust-comm.c
@@
-248,7
+248,9
@@
ssize_t ustcomm_recv_unix_sock(int sock, void *buf, size_t len)
msg.msg_iov = iov;
msg.msg_iovlen = 1;
msg.msg_iov = iov;
msg.msg_iovlen = 1;
- ret = recvmsg(sock, &msg, 0);
+ do {
+ ret = recvmsg(sock, &msg, 0);
+ } while (ret < 0 && errno == EINTR);
if (ret < 0) {
perror("recvmsg");
}
if (ret < 0) {
perror("recvmsg");
}
@@
-462,7
+464,10
@@
int ustcomm_recv_fd(int sock)
msg.msg_control = recv_fd;
msg.msg_controllen = sizeof(recv_fd);
msg.msg_control = recv_fd;
msg.msg_controllen = sizeof(recv_fd);
- if ((ret = recvmsg(sock, &msg, 0)) < 0) {
+ do {
+ ret = recvmsg(sock, &msg, 0);
+ } while (ret < 0 && errno == EINTR);
+ if (ret < 0) {
perror("recvmsg");
goto end;
}
perror("recvmsg");
goto end;
}
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