30 lines
515 B
C
30 lines
515 B
C
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#include <stdio.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 <unistd.h>
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#include <sys/wait.h>
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int main(int argc, char *argv[]) {
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int pid, fp, i, j;
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char ch[4];
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fp = open("fichier", O_RDWR);
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pid = fork();
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if (pid == 0) {
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for (i = 0; i < 4; i++) {
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read(fp, ch, 4);
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printf("hello fils : %s\n", ch);
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sleep(4);
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}
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} else {
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for (j = 0; j < 3; j++) {
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read(fp, ch, 4);
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printf("Hello père : %s\n", ch);
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sleep(5);
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}
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wait(NULL);
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close(fp);
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}
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return 1;
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}
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