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fdatasync sockets after send
[ust.git]
/
libust
/
lttng-ust-comm.c
diff --git
a/libust/lttng-ust-comm.c
b/libust/lttng-ust-comm.c
index c5a3064ae216f222771e7acd99199ea12a520085..1507a65fcd588a3276d863d87f36a1ff1c22d295 100644
(file)
--- a/
libust/lttng-ust-comm.c
+++ b/
libust/lttng-ust-comm.c
@@
-184,6
+184,10
@@
int register_app_to_sessiond(int socket)
ret = lttcomm_send_unix_sock(socket, ®_msg, sizeof(reg_msg));
if (ret >= 0 && ret != sizeof(reg_msg))
return -EIO;
ret = lttcomm_send_unix_sock(socket, ®_msg, sizeof(reg_msg));
if (ret >= 0 && ret != sizeof(reg_msg))
return -EIO;
+ ret = fdatasync(socket);
+ if (ret) {
+ return -errno;
+ }
return ret;
}
return ret;
}
@@
-191,11
+195,17
@@
static
int send_reply(int sock, struct lttcomm_ust_reply *lur)
{
ssize_t len;
int send_reply(int sock, struct lttcomm_ust_reply *lur)
{
ssize_t len;
+ int ret;
len = lttcomm_send_unix_sock(sock, lur, sizeof(*lur));
switch (len) {
case sizeof(*lur):
DBG("message successfully sent");
len = lttcomm_send_unix_sock(sock, lur, sizeof(*lur));
switch (len) {
case sizeof(*lur):
DBG("message successfully sent");
+ ret = fdatasync(sock);
+ if (ret) {
+ DBG("fdatasync error");
+ return -1;
+ }
return 0;
case -1:
if (errno == ECONNRESET) {
return 0;
case -1:
if (errno == ECONNRESET) {
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