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1 | /* |
1 | /* |
2 | * Copyright (c) 2009 Martin Decky |
2 | * Copyright (c) 2009 Martin Decky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup getvc GetVC |
29 | /** @addtogroup getvc GetVC |
30 | * @brief Console initialization task. |
30 | * @brief Console initialization task. |
31 | * @{ |
31 | * @{ |
32 | */ |
32 | */ |
33 | /** |
33 | /** |
34 | * @file |
34 | * @file |
35 | */ |
35 | */ |
36 | 36 | ||
37 | #include <sys/types.h> |
37 | #include <sys/types.h> |
38 | #include <unistd.h> |
38 | #include <unistd.h> |
39 | #include <stdio.h> |
39 | #include <stdio.h> |
40 | #include <task.h> |
40 | #include <task.h> |
41 | #include "version.h" |
41 | #include "version.h" |
42 | 42 | ||
43 | static void usage(void) |
43 | static void usage(void) |
44 | { |
44 | { |
45 | printf("Usage: getvc <device> <path>\n"); |
45 | printf("Usage: getvc <device> <path>\n"); |
46 | } |
46 | } |
47 | 47 | ||
48 | static void closeall(void) |
48 | static void closeall(void) |
49 | { |
49 | { |
50 | fclose(stdin); |
50 | fclose(stdin); |
51 | fclose(stdout); |
51 | fclose(stdout); |
52 | fclose(stderr); |
52 | fclose(stderr); |
53 | 53 | ||
54 | close(0); |
54 | close(0); |
55 | close(1); |
55 | close(1); |
56 | close(2); |
56 | close(2); |
57 | } |
57 | } |
58 | 58 | ||
59 | static task_id_t spawn(char *fname) |
59 | static task_id_t spawn(char *fname) |
60 | { |
60 | { |
61 | char *argv[2]; |
61 | char *argv[2]; |
62 | 62 | ||
63 | argv[0] = fname; |
63 | argv[0] = fname; |
64 | argv[1] = NULL; |
64 | argv[1] = NULL; |
65 | 65 | ||
66 | task_id_t id = task_spawn(fname, argv); |
66 | task_id_t id = task_spawn(fname, argv); |
67 | 67 | ||
68 | if (id == 0) |
68 | if (id == 0) |
69 | printf("Error spawning %s\n", fname); |
69 | printf("Error spawning %s\n", fname); |
70 | 70 | ||
71 | return id; |
71 | return id; |
72 | } |
72 | } |
73 | 73 | ||
74 | int main(int argc, char *argv[]) |
74 | int main(int argc, char *argv[]) |
75 | { |
75 | { |
76 | if (argc < 3) { |
76 | if (argc < 3) { |
77 | usage(); |
77 | usage(); |
78 | return -1; |
78 | return -1; |
79 | } |
79 | } |
80 | 80 | ||
81 | closeall(); |
81 | closeall(); |
82 | 82 | ||
83 | stdin = fopen(argv[1], "r"); |
83 | stdin = fopen(argv[1], "r"); |
84 | stdout = fopen(argv[1], "w"); |
84 | stdout = fopen(argv[1], "w"); |
85 | stderr = fopen(argv[1], "w"); |
85 | stderr = fopen(argv[1], "w"); |
86 | 86 | ||
87 | if ((stdin == NULL) |
87 | if ((stdin == NULL) |
88 | || (stdout == NULL) |
88 | || (stdout == NULL) |
89 | || (stderr == NULL)) |
89 | || (stderr == NULL)) |
90 | return -2; |
90 | return -2; |
91 | 91 | ||
92 | version_print(argv[1]); |
92 | version_print(argv[1]); |
93 | task_id_t id = spawn(argv[2]); |
93 | task_id_t id = spawn(argv[2]); |
94 | task_wait(id); |
94 | task_wait(id); |
95 | 95 | ||
96 | return 0; |
96 | return 0; |
97 | } |
97 | } |
98 | 98 | ||
99 | /** @} |
99 | /** @} |
100 | */ |
100 | */ |
101 | 101 |