X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=libustcomm%2Fustcomm.c;h=f3263582cd0f7a6b33497aec1b7befbebd74ea07;hb=77957c958edaf6ba3d7f7fb785bd78861aa609cc;hp=225d1990be042a18cf0cde7c297e92c61b48c386;hpb=c39c72ee5890c7727ae2697f321ba1b3d6c862f5;p=lttng-ust.git

diff --git a/libustcomm/ustcomm.c b/libustcomm/ustcomm.c
index 225d1990..f3263582 100644
--- a/libustcomm/ustcomm.c
+++ b/libustcomm/ustcomm.c
@@ -33,8 +33,6 @@
 #include "localerr.h"
 
 #define UNIX_PATH_MAX 108
-#define SOCK_DIR "/tmp/socks"
-#define UST_SIGNAL SIGIO
 
 #define MSG_MAX 1000
 
@@ -82,6 +80,10 @@ static int signal_process(pid_t pid)
 	return 0;
 }
 
+int pid_is_online(pid_t pid) {
+	return kill(pid, UST_SIGNAL) != -1;
+}
+
 static int send_message_fd(int fd, const char *msg)
 {
 	int result;
@@ -272,7 +274,8 @@ int ustcomm_recv_message(struct ustcomm_server *server, char **msg, struct ustco
 			idx++;
 		}
 
-		result = poll(fds, n_fds, timeout);
+		while((result = poll(fds, n_fds, timeout)) == -1 && errno == EINTR)
+			/* nothing */;
 		if(result == -1) {
 			PERROR("poll");
 			return -1;