#include "tests.h" #include <asm/unistd.h> #ifdef __NR_dup2 # include <stdio.h> # include <unistd.h> int main(void) { const long int fd_old = (long int) 0xdeadbeefffffffffULL; const long int fd_new = (long int) 0xdeadbeeffffffffeULL; long rc = syscall(__NR_dup2, fd_old, fd_new); printf("dup2(%d, %d) = %ld %s (%m)\n", (int) fd_old, (int) fd_new, rc, errno2name()); puts("+++ exited with 0 +++"); return 0; } #else SKIP_MAIN_UNDEFINED("__NR_dup2") #endif