53 lines
956 B
C
53 lines
956 B
C
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <string.h>
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#include <sys/wait.h>
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void fils(void)
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{
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int n;
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srand(getpid());
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exit(rand() % 128);
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}
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int main(int argc, char *argv[])
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{
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int n, max, status;
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assert(argc == 2);
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n = strtol(argv[1], NULL, 0);
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for (int i = 0; i <= n; i++)
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{
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pid_t p = fork();
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assert(p != -1);
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if (p == 0)
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{
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fils();
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}
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}
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wait(&status);
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if (WIFEXITED(status))
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max = WEXITSTATUS(status);
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for (int i = 0; i <= n; i++)
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{
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wait(&status);
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if (WIFEXITED(status))
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{
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if (WEXITSTATUS(status) > max)
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max = WEXITSTATUS(status);
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}
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}
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printf("Le maximum est %d\n", max);
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exit(0);
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}
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