Lines Matching refs:fd
59 int fd; in seed_rng() local
72 fd = open("/dev/urandom", O_WRONLY); in seed_rng()
73 if (fd < 0) in seed_rng()
76 if (ioctl(fd, RNDADDENTROPY, &entropy) < 0) in seed_rng()
79 close(fd); in seed_rng()
111 int fd; in enable_logging() local
113 fd = open("/proc/sys/kernel/printk", O_WRONLY); in enable_logging()
114 if (fd >= 0) { in enable_logging()
115 if (write(fd, "9\n", 2) != 2) in enable_logging()
117 close(fd); in enable_logging()
119 fd = open("/proc/sys/debug/exception-trace", O_WRONLY); in enable_logging()
120 if (fd >= 0) { in enable_logging()
121 if (write(fd, "1\n", 2) != 2) in enable_logging()
123 close(fd); in enable_logging()
125 fd = open("/proc/sys/kernel/panic_on_warn", O_WRONLY); in enable_logging()
126 if (fd >= 0) { in enable_logging()
127 if (write(fd, "1\n", 2) != 2) in enable_logging()
129 close(fd); in enable_logging()
169 int status, fd; in launch_tests() local
184 fd = open("/proc/cmdline", O_RDONLY); in launch_tests()
185 if (fd < 0) in launch_tests()
187 if (read(fd, cmdline, sizeof(cmdline) - 1) <= 0) in launch_tests()
200 fd = open(success_dev, O_WRONLY); in launch_tests()
201 if (fd < 0) in launch_tests()
203 if (write(fd, "success\n", 8) != 8) in launch_tests()
205 close(fd); in launch_tests()
224 int fd = open("/dev/console", O_RDWR); in ensure_console() local
225 if (fd < 0) { in ensure_console()
229 dup2(fd, 0); in ensure_console()
230 dup2(fd, 1); in ensure_console()
231 dup2(fd, 2); in ensure_console()
232 close(fd); in ensure_console()
241 int fd; in clear_leaks() local
243 fd = open("/sys/kernel/debug/kmemleak", O_WRONLY); in clear_leaks()
244 if (fd < 0) in clear_leaks()
247 write(fd, "clear\n", 5); in clear_leaks()
248 close(fd); in clear_leaks()
253 int fd; in check_leaks() local
255 fd = open("/sys/kernel/debug/kmemleak", O_WRONLY); in check_leaks()
256 if (fd < 0) in check_leaks()
260 write(fd, "scan\n", 5); in check_leaks()
261 close(fd); in check_leaks()
263 fd = open("/sys/kernel/debug/kmemleak", O_RDONLY); in check_leaks()
264 if (fd < 0) in check_leaks()
266 if (sendfile(1, fd, NULL, 0x7ffff000) > 0) in check_leaks()
268 close(fd); in check_leaks()