X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust%2Fltt-events.c;h=2b9037ef48f0d84b8ca237733f5e3438267bb48d;hb=1abcee5dc89230e8f9dca4b961e978fe6ac44954;hp=d2c922b603d2f78342e127c0d26e1bf771d673df;hpb=7a673d9947d11a37d08be89a5c157afdfd377f9f;p=lttng-ust.git diff --git a/liblttng-ust/ltt-events.c b/liblttng-ust/ltt-events.c index d2c922b6..2b9037ef 100644 --- a/liblttng-ust/ltt-events.c +++ b/liblttng-ust/ltt-events.c @@ -22,11 +22,9 @@ #define _GNU_SOURCE #include -#include #include #include #include -#include #include #include #include @@ -34,7 +32,7 @@ #include #include #include -#include +#include #include "clock.h" #include @@ -48,6 +46,8 @@ #include #include #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 @@ -310,6 +308,7 @@ 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) @@ -317,7 +316,10 @@ 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; } @@ -1102,11 +1104,12 @@ 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; @@ -1160,8 +1163,8 @@ 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"