#define RUNAS_CHILD_STACK_SIZE 10485760
+#ifndef MAP_STACK
+#define MAP_STACK 0
+#endif
+
#ifdef __FreeBSD__
/* FreeBSD MAP_STACK always return -ENOMEM */
#define LTTNG_MAP_STACK 0
int run_as(int (*cmd)(void *data), void *data, uid_t uid, gid_t gid)
{
if (!getenv("LTTNG_DEBUG_NOCLONE")) {
+ int ret;
+
DBG("Using run_as_clone");
- return run_as_clone(cmd, data, uid, gid);
+ pthread_mutex_lock(<tng_libc_state_lock);
+ ret = run_as_clone(cmd, data, uid, gid);
+ pthread_mutex_unlock(<tng_libc_state_lock);
+ return ret;
} else {
DBG("Using run_as_noclone");
return run_as_noclone(cmd, data, uid, gid);