45 lines
1.7 KiB
C
45 lines
1.7 KiB
C
#if 0
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/*─────────────────────────────────────────────────────────────────╗
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│ To the extent possible under law, Justine Tunney has waived │
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│ all copyright and related or neighboring rights to this file, │
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│ as it is written in the following disclaimers: │
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│ • http://unlicense.org/ │
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│ • http://creativecommons.org/publicdomain/zero/1.0/ │
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╚─────────────────────────────────────────────────────────────────*/
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#endif
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#include "libc/log/log.h"
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#include "libc/nt/nt/process.h"
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#include "libc/rand/rand.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/stdio.h"
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#include "libc/calls/calls.h"
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#include "libc/time/time.h"
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noinline void dostuff(void) {
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srand(rand64()); /* seeds rand() w/ intel rdrnd, auxv, etc. */
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for (unsigned i = 0; i < 5; ++i) {
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int us = rand() % 500000;
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usleep(us);
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printf("%s%u%s%u [%s=%d]\n", "hello no. ", i, " from ", getpid(), "us", us);
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fflush(stdout);
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}
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}
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int main(int argc, char *argv[]) {
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fprintf(stderr, "%p\n", RtlCloneUserProcess);
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int child;
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if ((child = fork()) == -1) perror("fork"), exit(1);
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if (!child) {
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/* child process */
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dostuff();
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return 0;
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} else {
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/* parent process */
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dostuff();
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/* note: abandoned children become zombies */
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int rc, wstatus;
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if ((rc = wait(&wstatus)) == -1) perror("wait"), exit(1);
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return WEXITSTATUS(wstatus);
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}
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}
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