X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=liblttng-ust%2Fltt-events.c;h=226eca287df44c9f62392242d9c6342a01a49b06;hb=9eb061825ad8ebdf8c22d812eff0232d97d72cd2;hp=1e058b206c066825f81358ad04724c408aa710c1;hpb=aa1419550b1157d1455b53d29aa7b0cfcccf8b07;p=lttng-ust.git

diff --git a/liblttng-ust/ltt-events.c b/liblttng-ust/ltt-events.c
index 1e058b20..226eca28 100644
--- a/liblttng-ust/ltt-events.c
+++ b/liblttng-ust/ltt-events.c
@@ -22,11 +22,9 @@
 
 #define _GNU_SOURCE
 #include <stdio.h>
-#include <endian.h>
 #include <urcu/list.h>
 #include <urcu/hlist.h>
 #include <pthread.h>
-#include <uuid/uuid.h>
 #include <errno.h>
 #include <sys/shm.h>
 #include <sys/ipc.h>
@@ -34,7 +32,7 @@
 #include <stddef.h>
 #include <inttypes.h>
 #include <time.h>
-#include <sys/prctl.h>
+#include <lttng/ust-endian.h>
 #include "clock.h"
 
 #include <urcu-bp.h>
@@ -48,6 +46,8 @@
 #include <usterr-signal-safe.h>
 #include <helper.h>
 #include "error.h"
+#include "compat.h"
+#include "lttng-ust-uuid.h"
 
 #include "tracepoint-internal.h"
 #include "ltt-tracer.h"
@@ -56,8 +56,6 @@
 #include "../libringbuffer/shm.h"
 #include "jhash.h"
 
-#define PROCNAME_LEN 17
-
 /*
  * The sessions mutex is the centralized mutex across UST tracing
  * control and probe registration. All operations within this file are
@@ -309,6 +307,7 @@ void synchronize_trace(void)
 struct ltt_session *ltt_session_create(void)
 {
 	struct ltt_session *session;
+	int ret;
 
 	session = zmalloc(sizeof(struct ltt_session));
 	if (!session)
@@ -316,7 +315,10 @@ struct ltt_session *ltt_session_create(void)
 	CDS_INIT_LIST_HEAD(&session->chan);
 	CDS_INIT_LIST_HEAD(&session->events);
 	CDS_INIT_LIST_HEAD(&session->wildcards);
-	uuid_generate(session->uuid);
+	ret = lttng_ust_uuid_generate(session->uuid);
+	if (ret != 0) {
+		session->uuid[0] = '\0';
+	}
 	cds_list_add(&session->list, &sessions);
 	return session;
 }
@@ -1018,7 +1020,7 @@ int _ltt_stream_packet_context_declare(struct ltt_session *session)
 		"struct packet_context {\n"
 		"	uint64_clock_monotonic_t timestamp_begin;\n"
 		"	uint64_clock_monotonic_t timestamp_end;\n"
-		"	uint32_t events_discarded;\n"
+		"	unsigned long events_discarded;\n"
 		"	uint32_t content_size;\n"
 		"	uint32_t packet_size;\n"
 		"	uint32_t cpu_id;\n"
@@ -1101,11 +1103,12 @@ static
 int _ltt_session_metadata_statedump(struct ltt_session *session)
 {
 	unsigned char *uuid_c = session->uuid;
-	char uuid_s[37], clock_uuid_s[CLOCK_UUID_LEN];
+	char uuid_s[LTTNG_UST_UUID_STR_LEN],
+		clock_uuid_s[LTTNG_UST_UUID_STR_LEN];
 	struct ltt_channel *chan;
 	struct ltt_event *event;
 	int ret = 0;
-	char procname[PROCNAME_LEN] = "";
+	char procname[LTTNG_UST_PROCNAME_LEN] = "";
 
 	if (!CMM_ACCESS_ONCE(session->active))
 		return 0;
@@ -1128,6 +1131,7 @@ int _ltt_session_metadata_statedump(struct ltt_session *session)
 		"typealias integer { size = 16; align = %u; signed = false; } := uint16_t;\n"
 		"typealias integer { size = 32; align = %u; signed = false; } := uint32_t;\n"
 		"typealias integer { size = 64; align = %u; signed = false; } := uint64_t;\n"
+		"typealias integer { size = %u; align = %u; signed = false; } := unsigned long;\n"
 		"typealias integer { size = 5; align = 1; signed = false; } := uint5_t;\n"
 		"typealias integer { size = 27; align = 1; signed = false; } := uint27_t;\n"
 		"\n"
@@ -1146,6 +1150,8 @@ int _ltt_session_metadata_statedump(struct ltt_session *session)
 		lttng_alignof(uint16_t) * CHAR_BIT,
 		lttng_alignof(uint32_t) * CHAR_BIT,
 		lttng_alignof(uint64_t) * CHAR_BIT,
+		sizeof(unsigned long) * CHAR_BIT,
+		lttng_alignof(unsigned long) * CHAR_BIT,
 		CTF_SPEC_MAJOR,
 		CTF_SPEC_MINOR,
 		uuid_s,
@@ -1159,8 +1165,8 @@ int _ltt_session_metadata_statedump(struct ltt_session *session)
 		goto end;
 
 	/* ignore error, just use empty string if error. */
-	(void) prctl(PR_GET_NAME, (unsigned long) procname, 0, 0, 0);
-	procname[PROCNAME_LEN - 1] = '\0';
+	lttng_ust_getprocname(procname);
+	procname[LTTNG_UST_PROCNAME_LEN - 1] = '\0';
 	ret = lttng_metadata_printf(session,
 		"env {\n"
 		"	vpid = %d;\n"
@@ -1478,7 +1484,7 @@ int ltt_wildcard_disable(struct session_wildcard *wildcard)
  */
 void lttng_fixup_event_tls(void)
 {
-	unsigned char uuid[37];
+	unsigned char uuid[LTTNG_UST_UUID_STR_LEN];
 
-	(void) uuid_generate(uuid);
+	(void) lttng_ust_uuid_generate(uuid);
 }