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#include "test.h"
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
int main(void) {
pid_t pid = 0;
int errpipe = 0; // simulate parent stack variable for error reporting
pid = vfork();
if (pid < 0) {
perror("vfork");
return 1;
}
if (pid == 0) { // child
// // safe write to parent stack variable
errpipe = 123;
return 0; // child exits safely
}
// parent reads updated value
printf("errpipe = %d\n", errpipe);
ASSERT(123, errpipe);
printf("OK\n");
return 0;
}
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