34 lines
628 B
C
34 lines
628 B
C
#include <stdio.h>
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#include <stdint.h>
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#include <syscall.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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DEFN_SYSCALL1(wait, 17, unsigned int);
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int main(int argc, char ** argv) {
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int quiet = 0;
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if (argc > 1) {
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if (!strcmp(argv[1],"-q")) {
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printf("I'll be quiet...\n");
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quiet = 1;
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}
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}
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for (int j = 0; j < 1024; ++j) {
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volatile int k = fork();
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if (!quiet)
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printf("I am %d, I got %d\n", getpid(), k);
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if (k == 0) {
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if (!quiet || !(j % 10))
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printf("I am %d\n", getpid());
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return 0;
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} else {
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if (!quiet)
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printf("Waiting on %d\n", k);
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syscall_wait(k);
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}
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}
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return 0;
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}
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