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7 |
7 |
8 #include <stdio.h> |
8 #include <stdio.h> |
9 #include <stdlib.h> |
9 #include <stdlib.h> |
10 #include <unistd.h> |
10 #include <unistd.h> |
11 #include <errno.h> |
11 #include <errno.h> |
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12 #include <wait.h> |
12 |
13 |
13 #define N 1000 |
14 #define N 1000 |
14 |
15 |
15 #ifndef DEFAULT_MEGS |
16 #ifndef DEFAULT_MEGS |
16 #define DEFAULT_MEGS 64 |
17 #define DEFAULT_MEGS 64 |
27 |
28 |
28 char *args[] = { "/usr/bin/free", "-m", NULL }; |
29 char *args[] = { "/usr/bin/free", "-m", NULL }; |
29 |
30 |
30 int size = sizeof (*p); |
31 int size = sizeof (*p); |
31 int megs = DEFAULT_MEGS; |
32 int megs = DEFAULT_MEGS; |
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33 int pid; |
32 |
34 |
33 if (argc == 2) |
35 if (argc == 2) |
34 megs = atoi (argv[1]); |
36 megs = atoi (argv[1]); |
35 |
37 |
36 printf ("Mem2Swap - Version 1.0\n"); |
38 printf ("Mem2Swap - Version 1.0\n"); |
62 printf ("and %ld MB allocated\n", p[n * N - 1] / 1024 / 1024); |
64 printf ("and %ld MB allocated\n", p[n * N - 1] / 1024 / 1024); |
63 free (p); |
65 free (p); |
64 } |
66 } |
65 |
67 |
66 printf ("\n\n"); |
68 printf ("\n\n"); |
67 execve ("/usr/bin/free", args, NULL); |
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68 |
69 |
69 return EXIT_SUCCESS; |
70 pid = fork (); |
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71 switch (pid) { |
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72 case 0: |
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73 execve ("/usr/bin/free", args, NULL); |
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74 case -1: |
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75 perror ("Fork Error"); |
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76 return EXIT_FAILURE; |
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77 default: |
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78 wait (&pid); |
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79 } |
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80 |
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81 return pid; |
70 } |
82 } |