71   int fd = urandom_fd_requested;  in init_once()  local
74   if (fd == -2) {  in init_once()
76       fd = open("/dev/urandom", O_RDONLY);  in init_once()
77     } while (fd == -1 && errno == EINTR);  in init_once()
80   if (fd < 0) {  in init_once()
84   int flags = fcntl(fd, F_GETFD);  in init_once()
92     if (fcntl(fd, F_SETFD, flags) == -1) {  in init_once()
96   urandom_fd = fd;  in init_once()
101 void RAND_set_urandom_fd(int fd) {  in RAND_set_urandom_fd()  argument
102   fd = dup(fd);  in RAND_set_urandom_fd()
103   if (fd < 0) {  in RAND_set_urandom_fd()
108   urandom_fd_requested = fd;  in RAND_set_urandom_fd()
112   if (urandom_fd != fd) {  in RAND_set_urandom_fd()
117 void RAND_enable_fork_unsafe_buffering(int fd) {  in RAND_enable_fork_unsafe_buffering()  argument
118   if (fd >= 0) {  in RAND_enable_fork_unsafe_buffering()
119     fd = dup(fd);  in RAND_enable_fork_unsafe_buffering()
120     if (fd < 0) {  in RAND_enable_fork_unsafe_buffering()
124     fd = -2;  in RAND_enable_fork_unsafe_buffering()
129   urandom_fd_requested = fd;  in RAND_enable_fork_unsafe_buffering()
133   if (urandom_buffering != 1 || (fd >= 0 && urandom_fd != fd)) {  in RAND_enable_fork_unsafe_buffering()
161 static char read_full(int fd, uint8_t *out, size_t len) {  in read_full()  argument
166       r = read(fd, out, len);  in read_full()