X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=liblttsessiondcomm%2Fliblttsessiondcomm.c;h=cffeb72c0d71f0d9ead2b6a61f4ac78ebf18d875;hb=a8afeb4a77269ca217cb0da0c3bb3232d60a764a;hp=253e63545addf17710baeecc679d37fa05d11aae;hpb=159c7ff4ea99cd808f89787f66a23152483137d4;p=lttng-tools.git diff --git a/liblttsessiondcomm/liblttsessiondcomm.c b/liblttsessiondcomm/liblttsessiondcomm.c index 253e63545..cffeb72c0 100644 --- a/liblttsessiondcomm/liblttsessiondcomm.c +++ b/liblttsessiondcomm/liblttsessiondcomm.c @@ -115,11 +115,12 @@ int lttcomm_connect_unix_sock(const char *pathname) { struct sockaddr_un sun; int fd; - int ret = 1; + int ret; fd = socket(PF_UNIX, SOCK_STREAM, 0); if (fd < 0) { perror("socket"); + ret = fd; goto error; } @@ -129,14 +130,20 @@ int lttcomm_connect_unix_sock(const char *pathname) ret = connect(fd, (struct sockaddr *) &sun, sizeof(sun)); if (ret < 0) { - perror("connect"); - goto error; + /* + * Don't print message on connect error, because connect + * is used in normal execution to detect if sessiond is + * alive. + */ + goto error_connect; } return fd; +error_connect: + close(fd); error: - return -1; + return ret; } /* @@ -186,6 +193,8 @@ int lttcomm_create_unix_sock(const char *pathname) sun.sun_family = AF_UNIX; strncpy(sun.sun_path, pathname, strlen(pathname)); + /* Unlink the old file if present */ + (void) unlink(pathname); ret = bind(fd, (struct sockaddr *) &sun, sizeof(sun)); if (ret < 0) { perror("bind"); @@ -299,8 +308,8 @@ ssize_t lttcomm_send_fds_unix_sock(int sock, void *buf, int *fds, size_t nb_fd, char tmp[CMSG_SPACE(sizeof_fds)]; /* - * Note: the consumerd receiver only supports receiving one FD at a - * time for now. + * Note: the consumerd receiver only supports receiving one FD per + * message. */ assert(nb_fd == 1);