[lttng-dev] session.id unsigned int vs. uint64_t
Thibault, Daniel
Daniel.Thibault at drdc-rddc.gc.ca
Thu Jul 4 15:06:52 EDT 2013
~~~~~~src/bin/lttng-sessiond/session.h:60:
struct ltt_session {
...
unsigned int id;
~~~~~~src/bin/lttng-sessiond/trace-ust.c:185:
struct ltt_ust_session *trace_ust_create_session(uint64_t session_id)
~~~~~~src/bin/lttng-sessiond/main.c:2352:
static int create_ust_session(struct ltt_session *session,
struct lttng_domain *domain)
{
...
lus = trace_ust_create_session(session->id);
~~~~~~src/bin/lttng-sessiond/trace-ust.h:
#ifdef HAVE_LIBLTTNG_UST_CTL
...
struct ltt_ust_session *trace_ust_create_session(uint64_t session_id);
...
#else /* HAVE_LIBLTTNG_UST_CTL */
...
static inline
struct ltt_ust_session *trace_ust_create_session(unsigned int session_id)
32-bit-wide unsigned ints and 64-bit-wide uint64_ts are not truly interchangeable. The ltt_session.id should be widened to uint64_t.
Daniel U. Thibault
Protection des systèmes et contremesures (PSC) | Systems Protection & Countermeasures (SPC)
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