| /samples/timers/ |
| A D | hpet_example.c | 82 int fd; in hpet_open_close() local
90 if (fd < 0) in hpet_open_close()
93 close(fd); in hpet_open_close()
102 int fd; in hpet_info() local
110 if (fd < 0) { in hpet_info()
126 close(fd); in hpet_info()
151 if (fd < 0) { in hpet_poll()
178 pfd.fd = fd; in hpet_poll()
209 close(fd); in hpet_poll()
231 fd = -1; in hpet_fasync()
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| /samples/bpf/ |
| A D | fds_example.c | 80 int fd, ret; in bpf_do_map() local
86 assert(fd > 0); in bpf_do_map()
88 ret = bpf_obj_pin(fd, file); in bpf_do_map()
92 fd = bpf_obj_get(file); in bpf_do_map()
94 assert(fd > 0); in bpf_do_map()
114 int fd, sock, ret; in bpf_do_prog() local
119 assert(fd > 0); in bpf_do_prog()
121 ret = bpf_obj_pin(fd, file); in bpf_do_prog()
125 fd = bpf_obj_get(file); in bpf_do_prog()
127 assert(fd > 0); in bpf_do_prog()
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| A D | task_fd_query_user.c | 50 int fd, ret; in bpf_find_probe_type() local
55 fd = open(buf, O_RDONLY); in bpf_find_probe_type()
56 CHECK_PERROR_RET(fd < 0); in bpf_find_probe_type()
58 ret = read(fd, buf, sizeof(buf)); in bpf_find_probe_type()
59 close(fd); in bpf_find_probe_type()
72 int fd, ret; in bpf_get_retprobe_bit() local
77 fd = open(buf, O_RDONLY); in bpf_get_retprobe_bit()
78 CHECK_PERROR_RET(fd < 0); in bpf_get_retprobe_bit()
81 close(fd); in bpf_get_retprobe_bit()
132 int fd, err = -1; in test_nondebug_fs_kuprobe_common() local
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| A D | cpustat_user.c | 155 int len, fd; in cpu_stat_inject_cpu_frequency_event() local
157 fd = open(CPUFREQ_MAX_SYSFS_PATH, O_WRONLY); in cpu_stat_inject_cpu_frequency_event()
158 if (fd < 0) { in cpu_stat_inject_cpu_frequency_event()
160 return fd; in cpu_stat_inject_cpu_frequency_event()
163 len = write(fd, CPUFREQ_LOWEST_FREQ, strlen(CPUFREQ_LOWEST_FREQ)); in cpu_stat_inject_cpu_frequency_event()
169 len = write(fd, CPUFREQ_HIGHEST_FREQ, strlen(CPUFREQ_HIGHEST_FREQ)); in cpu_stat_inject_cpu_frequency_event()
176 close(fd); in cpu_stat_inject_cpu_frequency_event()
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| A D | tracex3_user.c | 17 static void clear_stats(int fd) in clear_stats() argument
25 bpf_map_update_elem(fd, &key, values, BPF_ANY); in clear_stats()
74 static void print_hist(int fd) in print_hist() argument
86 bpf_map_lookup_elem(fd, &key, values); in print_hist()
95 clear_stats(fd); in print_hist()
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| A D | tracex5_user.c | 40 int key, fd, progs_fd; in main() local
83 fd = bpf_program__fd(prog); in main()
84 bpf_map_update_elem(progs_fd, &key, &fd, BPF_ANY); in main()
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| A D | tracex4_user.c | 28 static void print_old_objects(int fd) in print_old_objects() argument
37 while (bpf_map_get_next_key(fd, &key, &next_key) == 0) { in print_old_objects()
38 bpf_map_lookup_elem(fd, &next_key, &v); in print_old_objects()
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| A D | syscall_tp_user.c | 50 int map0_fds[nr_tests], map1_fds[nr_tests], fd, i, j = 0; in test() local
109 fd = open(filename, O_RDONLY); in test()
110 if (fd < 0) { in test()
114 close(fd); in test()
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| A D | sockex3_user.c | 27 int i, sock, fd, main_prog_fd, hash_map_fd; in main() local
56 fd = bpf_program__fd(prog); in main()
59 main_prog_fd = fd; in main()
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| A D | offwaketime_user.c | 77 static void print_stacks(int fd) in print_stacks() argument
82 while (bpf_map_get_next_key(fd, &key, &next_key) == 0) { in print_stacks()
83 bpf_map_lookup_elem(fd, &next_key, &value); in print_stacks()
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| A D | ibumad_user.c | 34 static void dump_counts(int fd) in dump_counts() argument
40 if (bpf_map_lookup_elem(fd, &key, &value)) { in dump_counts()
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| A D | sampleip_user.c | 89 static void print_ip_map(int fd) in print_ip_map() argument
100 while (bpf_map_get_next_key(fd, &key, &next_key) == 0) { in print_ip_map()
101 bpf_map_lookup_elem(fd, &next_key, &value); in print_ip_map()
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| A D | lathist_user.c | 61 static void get_data(int fd) in get_data() argument
72 bpf_map_lookup_elem(fd, &key, &value); in get_data()
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| A D | trace_event_user.c | 105 int error = 1, fd = map_fd[0], stack_map = map_fd[1]; in print_stacks() local
108 while (bpf_map_get_next_key(fd, &key, &next_key) == 0) { in print_stacks()
109 bpf_map_lookup_elem(fd, &next_key, &value); in print_stacks()
111 bpf_map_delete_elem(fd, &next_key); in print_stacks()
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| /samples/uhid/ |
| A D | uhid-example.c | 201 uhid_write(fd, &ev); in destroy()
225 static int event(int fd) in event() argument
319 ret = send_event(fd); in keyboard()
389 int fd; in main() local
417 if (fd < 0) { in main()
423 ret = create(fd); in main()
425 close(fd); in main()
431 pfds[1].fd = fd; in main()
451 ret = keyboard(fd); in main()
456 ret = event(fd); in main()
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| /samples/hidraw/ |
| A D | hid-example.c | 45 int fd; in main() local
57 fd = open(device, O_RDWR|O_NONBLOCK); in main()
59 if (fd < 0) { in main()
77 res = ioctl(fd, HIDIOCGRDESC, &rpt_desc); in main()
88 res = ioctl(fd, HIDIOCGRAWNAME(256), buf); in main()
95 res = ioctl(fd, HIDIOCGRAWPHYS(256), buf); in main()
102 res = ioctl(fd, HIDIOCGRAWINFO, &info); in main()
118 res = ioctl(fd, HIDIOCSFEATURE(4), buf); in main()
140 res = write(fd, buf, 2); in main()
149 res = read(fd, buf, 16); in main()
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| /samples/watchdog/ |
| A D | watchdog-simple.c | 9 int fd = open("/dev/watchdog", O_WRONLY); in main() local
11 if (fd == -1) { in main()
16 ret = write(fd, "\0", 1); in main()
23 close(fd); in main()
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| /samples/watch_queue/ |
| A D | watch_test.c | 64 static void consumer(int fd) in consumer() argument
74 buf_len = read(fd, buffer, sizeof(buffer)); in consumer()
156 int pipefd[2], fd; in main() local
162 fd = pipefd[0]; in main()
164 if (ioctl(fd, IOC_WATCH_QUEUE_SET_SIZE, BUF_SIZE) == -1) { in main()
169 if (ioctl(fd, IOC_WATCH_QUEUE_SET_FILTER, &filter) == -1) { in main()
174 if (keyctl_watch_key(KEY_SPEC_SESSION_KEYRING, fd, 0x01) == -1) { in main()
179 if (keyctl_watch_key(KEY_SPEC_USER_KEYRING, fd, 0x02) == -1) { in main()
184 consumer(fd); in main()
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| /samples/vfs/ |
| A D | test-fsmount.c | 20 static void check_messages(int fd) in check_messages() argument
28 n = read(fd, buf, sizeof(buf)); in check_messages()
50 void mount_error(int fd, const char *s) in mount_error() argument
52 check_messages(fd); in mount_error()
97 #define E_fsconfig(fd, cmd, key, val, aux) \ argument
99 if (fsconfig(fd, cmd, key, val, aux) == -1) \
100 mount_error(fd, key ?: "create"); \
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| /samples/binderfs/ |
| A D | binderfs_example.c | 20 int fd, ret, saved_errno; in main() local
53 fd = open("/dev/binderfs/binder-control", O_RDONLY | O_CLOEXEC); in main()
54 if (fd < 0) { in main()
60 ret = ioctl(fd, BINDER_CTL_ADD, &device); in main()
62 close(fd); in main()
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| /samples/fanotify/ |
| A D | fs-monitor.c | 75 if (event->fd != FAN_NOFD) { in handle_notifications()
121 int fd; in main() local
130 fd = fanotify_init(FAN_CLASS_NOTIF|FAN_REPORT_FID, O_RDONLY); in main()
131 if (fd < 0) in main()
134 if (fanotify_mark(fd, FAN_MARK_ADD|FAN_MARK_FILESYSTEM, in main()
140 int n = read(fd, buffer, BUFSIZ); in main()
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| /samples/hid/ |
| A D | hid_mouse.c | 58 int fd; in get_hid_id() local
63 fd = open(uevent, O_RDONLY | O_NONBLOCK); in get_hid_id()
64 if (fd < 0) in get_hid_id()
67 close(fd); in get_hid_id()
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| A D | hid_surface_dial.c | 71 int fd; in get_hid_id() local
76 fd = open(uevent, O_RDONLY | O_NONBLOCK); in get_hid_id()
77 if (fd < 0) in get_hid_id()
80 close(fd); in get_hid_id()
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| /samples/mei/ |
| A D | mei-amt-version.c | 98 int fd; member
103 if (cl->fd != -1) in mei_deinit()
104 close(cl->fd); in mei_deinit()
105 cl->fd = -1; in mei_deinit()
120 me->fd = open("/dev/mei0", O_RDWR); in mei_init()
121 if (me->fd == -1) { in mei_init()
167 FD_SET(me->fd, &set); in mei_recv_msg()
168 rc = select(me->fd + 1, &set, NULL, NULL, &tv); in mei_recv_msg()
169 if (rc > 0 && FD_ISSET(me->fd, &set)) { in mei_recv_msg()
182 rc = read(me->fd, buffer, len); in mei_recv_msg()
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| /samples/user_events/ |
| A D | example.c | 21 static int event_reg(int fd, const char *command, int *write, int *enabled) in event_reg() argument
31 if (ioctl(fd, DIAG_IOCSREG, ®) == -1) in event_reg()
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