1 #include "tests.h" 2 #include <asm/unistd.h> 3 4 #ifdef __NR_dup2 5 6 # include <stdio.h> 7 # include <unistd.h> 8 9 int main(void)10main(void) 11 { 12 const long int fd_old = (long int) 0xdeadbeefffffffffULL; 13 const long int fd_new = (long int) 0xdeadbeeffffffffeULL; 14 15 long rc = syscall(__NR_dup2, fd_old, fd_new); 16 printf("dup2(%d, %d) = %ld %s (%m)\n", 17 (int) fd_old, (int) fd_new, rc, errno2name()); 18 19 puts("+++ exited with 0 +++"); 20 return 0; 21 } 22 23 #else 24 25 SKIP_MAIN_UNDEFINED("__NR_dup2") 26 27 #endif 28