* Protect the lttng_fd_set. Nests within the ust_lock, and therefore
* within the libc dl lock. Therefore, we need to fixup the TLS before
* nesting into this lock.
+ *
+ * The ust_safe_guard_fd_mutex nests within the ust_mutex. This mutex
+ * is also held across fork.
*/
static pthread_mutex_t ust_safe_guard_fd_mutex = PTHREAD_MUTEX_INITIALIZER;
/*
static int dup_std_fd(int fd)
{
- int ret;
+ int ret, i;
int fd_to_close[STDERR_FILENO + 1];
int fd_to_close_count = 0;
int dup_cmd = F_DUPFD; /* Default command */
}
/* Perform dup */
- for (int i = 0; i < STDERR_FILENO + 1; i++) {
+ for (i = 0; i < STDERR_FILENO + 1; i++) {
ret = fcntl(fd, dup_cmd, 0);
if (ret < 0) {
PERROR("fcntl dup fd");
}
/* Close intermediary fds */
- for (int i = 0; i < fd_to_close_count; i++) {
+ for (i = 0; i < fd_to_close_count; i++) {
ret = close(fd_to_close[i]);
if (ret) {
PERROR("close on temporary fd: %d.", fd_to_close[i]);