* Force a read (imply TLS allocation for dlopen) of TLS variables.
*/
static
-void lttng_nest_count_alloc_tls(void)
+void lttng_ust_nest_count_alloc_tls(void)
{
- asm volatile ("" : : "m" (URCU_TLS(lttng_ust_nest_count)));
+ __asm__ __volatile__ ("" : : "m" (URCU_TLS(lttng_ust_nest_count)));
}
static
void lttng_ust_mutex_nest_alloc_tls(void)
{
- asm volatile ("" : : "m" (URCU_TLS(ust_mutex_nest)));
+ __asm__ __volatile__ ("" : : "m" (URCU_TLS(ust_mutex_nest)));
}
/*
* Allocate lttng-ust urcu TLS.
*/
static
-void lttng_lttng_ust_urcu_alloc_tls(void)
+void lttng_ust_urcu_alloc_tls(void)
{
(void) lttng_ust_urcu_read_ongoing();
}
-void lttng_ust_alloc_tls(void)
+void lttng_ust_common_init_thread(int flags)
{
- lttng_lttng_ust_urcu_alloc_tls();
+ lttng_ust_urcu_alloc_tls();
lttng_ringbuffer_alloc_tls();
- lttng_vtid_alloc_tls();
- lttng_nest_count_alloc_tls();
- lttng_procname_alloc_tls();
+ lttng_ust_vtid_init_thread(flags);
+ lttng_ust_nest_count_alloc_tls();
+ lttng_ust_procname_init_thread(flags);
lttng_ust_mutex_nest_alloc_tls();
- lttng_ust_perf_counter_alloc_tls();
+ lttng_ust_perf_counter_init_thread(flags);
lttng_ust_common_alloc_tls();
- lttng_cgroup_ns_alloc_tls();
- lttng_ipc_ns_alloc_tls();
- lttng_net_ns_alloc_tls();
- lttng_time_ns_alloc_tls();
- lttng_uts_ns_alloc_tls();
+ lttng_ust_cgroup_ns_init_thread(flags);
+ lttng_ust_ipc_ns_init_thread(flags);
+ lttng_ust_net_ns_init_thread(flags);
+ lttng_ust_time_ns_init_thread(flags);
+ lttng_ust_uts_ns_init_thread(flags);
lttng_ust_ring_buffer_client_discard_alloc_tls();
lttng_ust_ring_buffer_client_discard_rt_alloc_tls();
lttng_ust_ring_buffer_client_overwrite_alloc_tls();
* ensure those are initialized before a signal handler nesting over
* this thread attempts to use them.
*/
- lttng_ust_alloc_tls();
+ lttng_ust_common_init_thread(LTTNG_UST_INIT_THREAD_MASK);
+
+ lttng_ust_urcu_register_thread();
}
int lttng_get_notify_socket(void *owner)
pid = fork();
URCU_TLS(lttng_ust_nest_count)--;
if (pid > 0) {
- int status;
+ int status, wait_ret;
/*
* Parent: wait for child to return, in which case the
* shared memory map will have been created.
*/
- pid = wait(&status);
- if (pid < 0 || !WIFEXITED(status) || WEXITSTATUS(status) != 0) {
+ wait_ret = waitpid(pid, &status, 0);
+ if (wait_ret < 0 || !WIFEXITED(status) || WEXITSTATUS(status) != 0) {
wait_shm_fd = -1;
goto end;
}
int sock, ret, prev_connect_failed = 0, has_waited = 0, fd;
long timeout;
- lttng_ust_alloc_tls();
+ lttng_ust_common_init_thread(0);
/*
* If available, add '-ust' to the end of this thread's
* process name
* to be the dynamic linker mutex) and ust_lock, taken within
* the ust lock.
*/
- lttng_ust_alloc_tls();
+ lttng_ust_common_init_thread(0);
lttng_ust_loaded = 1;
int ret;
/* Allocate lttng-ust TLS. */
- lttng_ust_alloc_tls();
+ lttng_ust_common_init_thread(0);
if (URCU_TLS(lttng_ust_nest_count))
return;