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#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
int main( int argc, char *argv[] )
{
pid_t child=fork();
if( child==0 ) {
// We are the child
int exitcode=getpid()%253;
printf("Child %d exit with code 0x%x\n", getpid(), exitcode );
exit(exitcode);
} else if( child==-1 ) {
perror("Failed to fork");
} else {
int status;
pid_t process=wait(&status);
if( process<0 ) {
perror("wait failed");
} else {
printf("PID %d returned 0x%x\n", process, status);
}
process=wait(&status);
if( process<0 ) {
perror("Second wait failed");
} else {
printf("PID %d returned 0x%x\n", process, status);
}
}
return 0;
}
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