X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Futils.c;h=99ec7772bfcf849da5730c5aeca3e7924e870261;hp=d503665a4fdb1149d68b00b79fcab14ed948bd4d;hb=4a91420cefb94afc4a20042bdbe2564086dad3cb;hpb=6f94560a050962daad560dac2823bd97b0b1bf98

diff --git a/src/bin/lttng-sessiond/utils.c b/src/bin/lttng-sessiond/utils.c
index d503665a4..99ec7772b 100644
--- a/src/bin/lttng-sessiond/utils.c
+++ b/src/bin/lttng-sessiond/utils.c
@@ -16,37 +16,101 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#define _GNU_SOURCE
+#define _LGPL_SOURCE
 #include <stdlib.h>
 #include <unistd.h>
 
 #include <common/error.h>
 
 #include "utils.h"
+#include "lttng-sessiond.h"
+
+int ht_cleanup_pipe[2] = { -1, -1 };
 
 /*
  * Write to writable pipe used to notify a thread.
  */
 int notify_thread_pipe(int wpipe)
 {
-	int ret;
+	ssize_t ret;
+
+	/* Ignore if the pipe is invalid. */
+	if (wpipe < 0) {
+		return 0;
+	}
 
-	do {
-		ret = write(wpipe, "!", 1);
-	} while (ret < 0 && errno == EINTR);
-	if (ret < 0) {
+	ret = lttng_write(wpipe, "!", 1);
+	if (ret < 1) {
 		PERROR("write poll pipe");
 	}
 
-	return ret;
+	return (int) ret;
 }
 
-/*
- * Return pointer to home directory path using the env variable HOME.
- *
- * No home, NULL is returned.
- */
-const char *get_home_dir(void)
+void ht_cleanup_push(struct lttng_ht *ht)
 {
-	return ((const char *) getenv("HOME"));
+	ssize_t ret;
+	int fd = ht_cleanup_pipe[1];
+
+	if (!ht) {
+		return;
+	}
+	if (fd < 0)
+		return;
+	ret = lttng_write(fd, &ht, sizeof(ht));
+	if (ret < sizeof(ht)) {
+		PERROR("write ht cleanup pipe %d", fd);
+		if (ret < 0) {
+			ret = -errno;
+		}
+		goto error;
+	}
+
+	/* All good. Don't send back the write positive ret value. */
+	ret = 0;
+error:
+	assert(!ret);
+}
+
+int loglevels_match(int a_loglevel_type, int a_loglevel_value,
+	int b_loglevel_type, int b_loglevel_value, int loglevel_all_type)
+{
+	int match = 1;
+
+	if (a_loglevel_type == b_loglevel_type) {
+		/* Same loglevel type. */
+		if (b_loglevel_type != loglevel_all_type) {
+			/*
+			 * Loglevel value must also match since the loglevel
+			 * type is not all.
+			 */
+			if (a_loglevel_value != b_loglevel_value) {
+				match = 0;
+			}
+		}
+	} else {
+		/* Loglevel type is different: no match. */
+		match = 0;
+	}
+
+	return match;
+}
+
+const char *session_get_base_path(const struct ltt_session *session)
+{
+	struct consumer_output *consumer;
+
+	if (session->kernel_session) {
+		consumer = session->kernel_session->consumer;
+	} else if (session->ust_session) {
+		consumer = session->ust_session->consumer;
+	} else {
+		abort();
+	}
+
+	if (session->net_handle > 0) {
+		return consumer->dst.net.base_dir;
+	} else {
+		return consumer->dst.session_root_path;
+	}
 }