X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fmain.c;h=076aac54b1824659fc1ba88f195795084b334856;hb=97e190465f6a2a7d5bf72f445bb4d9d8544a0916;hp=9e2b21b2dd417d7fc217f75de2293ff932f8b43c;hpb=531d29f9e514ad5a4880600d5c7e373f2f254ead;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c
index 9e2b21b2d..076aac54b 100644
--- a/src/bin/lttng-sessiond/main.c
+++ b/src/bin/lttng-sessiond/main.c
@@ -17,7 +17,6 @@
  */
 
 #define _GNU_SOURCE
-#include <fcntl.h>
 #include <getopt.h>
 #include <grp.h>
 #include <limits.h>
@@ -40,6 +39,7 @@
 
 #include <common/common.h>
 #include <common/compat/poll.h>
+#include <common/compat/socket.h>
 #include <common/defaults.h>
 #include <common/kernel-consumer/kernel-consumer.h>
 #include <common/ust-consumer/ust-consumer.h>
@@ -81,14 +81,10 @@ const char default_tracing_group[] = DEFAULT_TRACING_GROUP;
 const char default_ust_sock_dir[] = DEFAULT_UST_SOCK_DIR;
 const char default_global_apps_pipe[] = DEFAULT_GLOBAL_APPS_PIPE;
 
-/* Variables */
-int opt_verbose;    /* Not static for lttngerr.h */
-int opt_verbose_consumer;    /* Not static for lttngerr.h */
-int opt_quiet;      /* Not static for lttngerr.h */
-
 const char *progname;
 const char *opt_tracing_group;
 static int opt_sig_parent;
+static int opt_verbose_consumer;
 static int opt_daemon;
 static int opt_no_kernel;
 static int is_root;			/* Set to 1 if the daemon is running as root */
@@ -301,14 +297,22 @@ static gid_t allowed_group(void)
  */
 static int init_thread_quit_pipe(void)
 {
-	int ret;
+	int ret, i;
 
-	ret = pipe2(thread_quit_pipe, O_CLOEXEC);
+	ret = pipe(thread_quit_pipe);
 	if (ret < 0) {
 		PERROR("thread quit pipe");
 		goto error;
 	}
 
+	for (i = 0; i < 2; i++) {
+		ret = fcntl(thread_quit_pipe[i], F_SETFD, FD_CLOEXEC);
+		if (ret < 0) {
+			PERROR("fcntl");
+			goto error;
+		}
+	}
+
 error:
 	return ret;
 }
@@ -2842,7 +2846,8 @@ static int cmd_start_trace(struct ltt_session *session)
 	usess = session->ust_session;
 
 	if (session->enabled) {
-		ret = LTTCOMM_UST_START_FAIL;
+		/* Already started. */
+		ret = LTTCOMM_TRACE_ALREADY_STARTED;
 		goto error;
 	}
 
@@ -2934,7 +2939,7 @@ static int cmd_stop_trace(struct ltt_session *session)
 	usess = session->ust_session;
 
 	if (!session->enabled) {
-		ret = LTTCOMM_UST_STOP_FAIL;
+		ret = LTTCOMM_TRACE_ALREADY_STOPPED;
 		goto error;
 	}
 
@@ -2985,11 +2990,12 @@ error:
 /*
  * Command LTTNG_CREATE_SESSION processed by the client thread.
  */
-static int cmd_create_session(char *name, char *path, struct ucred *creds)
+static int cmd_create_session(char *name, char *path, lttng_sock_cred *creds)
 {
 	int ret;
 
-	ret = session_create(name, path, creds->uid, creds->gid);
+	ret = session_create(name, path, LTTNG_SOCK_GET_UID_CRED(creds),
+			LTTNG_SOCK_GET_GID_CRED(creds));
 	if (ret != LTTCOMM_OK) {
 		goto error;
 	}
@@ -3419,7 +3425,8 @@ skip_domain:
 	 */
 	if (need_tracing_session) {
 		if (!session_access_ok(cmd_ctx->session,
-				cmd_ctx->creds.uid, cmd_ctx->creds.gid)) {
+				LTTNG_SOCK_GET_UID_CRED(&cmd_ctx->creds),
+				LTTNG_SOCK_GET_GID_CRED(&cmd_ctx->creds))) {
 			ret = LTTCOMM_EPERM;
 			goto error;
 		}
@@ -3612,7 +3619,9 @@ skip_domain:
 		unsigned int nr_sessions;
 
 		session_lock_list();
-		nr_sessions = lttng_sessions_count(cmd_ctx->creds.uid, cmd_ctx->creds.gid);
+		nr_sessions = lttng_sessions_count(
+				LTTNG_SOCK_GET_UID_CRED(&cmd_ctx->creds),
+				LTTNG_SOCK_GET_GID_CRED(&cmd_ctx->creds));
 
 		ret = setup_lttng_msg(cmd_ctx, sizeof(struct lttng_session) * nr_sessions);
 		if (ret < 0) {
@@ -3622,7 +3631,8 @@ skip_domain:
 
 		/* Filled the session array */
 		list_lttng_sessions((struct lttng_session *)(cmd_ctx->llm->payload),
-			cmd_ctx->creds.uid, cmd_ctx->creds.gid);
+			LTTNG_SOCK_GET_UID_CRED(&cmd_ctx->creds),
+			LTTNG_SOCK_GET_GID_CRED(&cmd_ctx->creds));
 
 		session_unlock_list();
 
@@ -3975,11 +3985,11 @@ static int parse_args(int argc, char **argv)
 			opt_no_kernel = 1;
 			break;
 		case 'q':
-			opt_quiet = 1;
+			lttng_opt_quiet = 1;
 			break;
 		case 'v':
 			/* Verbose level can increase using multiple -v */
-			opt_verbose += 1;
+			lttng_opt_verbose += 1;
 			break;
 		case 'Z':
 			opt_verbose_consumer += 1;
@@ -4142,7 +4152,24 @@ end:
  */
 static int create_kernel_poll_pipe(void)
 {
-	return pipe2(kernel_poll_pipe, O_CLOEXEC);
+	int ret, i;
+
+	ret = pipe(kernel_poll_pipe);
+	if (ret < 0) {
+		PERROR("kernel poll pipe");
+		goto error;
+	}
+
+	for (i = 0; i < 2; i++) {
+		ret = fcntl(kernel_poll_pipe[i], F_SETFD, FD_CLOEXEC);
+		if (ret < 0) {
+			PERROR("fcntl kernel_poll_pipe");
+			goto error;
+		}
+	}
+
+error:
+	return ret;
 }
 
 /*
@@ -4151,7 +4178,24 @@ static int create_kernel_poll_pipe(void)
  */
 static int create_apps_cmd_pipe(void)
 {
-	return pipe2(apps_cmd_pipe, O_CLOEXEC);
+	int ret, i;
+
+	ret = pipe(apps_cmd_pipe);
+	if (ret < 0) {
+		PERROR("apps cmd pipe");
+		goto error;
+	}
+
+	for (i = 0; i < 2; i++) {
+		ret = fcntl(apps_cmd_pipe[i], F_SETFD, FD_CLOEXEC);
+		if (ret < 0) {
+			PERROR("fcntl apps_cmd_pipe");
+			goto error;
+		}
+	}
+
+error:
+	return ret;
 }
 
 /*