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ustd: update ustd signal handling to avoid wakeups every 100 ms
[ust.git]
/
libustcomm
/
ustcomm.c
diff --git
a/libustcomm/ustcomm.c
b/libustcomm/ustcomm.c
index 461766daed492ab58245f475d64631662866ea6e..155dfd0087c53aaba52fa866f87f9eca7a1c457d 100644
(file)
--- a/
libustcomm/ustcomm.c
+++ b/
libustcomm/ustcomm.c
@@
-247,9
+247,13
@@
static int recv_message_fd(int fd, char **recv_buf, int *recv_buf_size, int *rec
*recv_buf_size = 0;
return 0;
}
*recv_buf_size = 0;
return 0;
}
- /* real error */
- PERROR("recv");
- return -1;
+ else if(errno == EINTR) {
+ return -1;
+ }
+ else {
+ PERROR("recv");
+ return -1;
+ }
}
if(result == 0) {
return 0;
}
if(result == 0) {
return 0;
@@
-348,15
+352,18
@@
int ustcomm_recv_message(struct ustcomm_server *server, char **msg, struct ustco
idx++;
}
idx++;
}
- while((result = poll(fds, n_fds, timeout)) == -1 && errno == EINTR)
- /* nothing */;
- if(result == -1) {
+ result = poll(fds, n_fds, timeout);
+ if(result == -1 && errno == EINTR) {
+ /* That's ok. ustd receives signals to notify it must shutdown. */
+ retval = -1;
+ goto free_conn_table_return;
+ }
+ else if(result == -1) {
PERROR("poll");
retval = -1;
goto free_conn_table_return;
}
PERROR("poll");
retval = -1;
goto free_conn_table_return;
}
-
- if(result == 0) {
+ else if(result == 0) {
retval = 0;
goto free_conn_table_return;
}
retval = 0;
goto free_conn_table_return;
}
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