blob: 0705af69a0ce33732308f2c4dd631673452e650d [file] [log] [blame]
#include "tests.h"
#include <sys/syscall.h>
#ifdef __NR_dup2
# include <errno.h>
# include <stdio.h>
# include <unistd.h>
int
main(void)
{
const long int fd_old = (long int) 0xdeadbeefffffffff;
const long int fd_new = (long int) 0xdeadbeeffffffffe;
int rc = syscall(__NR_dup2, fd_old, fd_new);
printf("dup2(%d, %d) = %d %s (%m)\n",
(int) fd_old, (int) fd_new, rc,
errno == ENOSYS ? "ENOSYS" : "EBADF");
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_dup2")
#endif