1#include <fcntl.h> 2#include <stdarg.h> 3#include "syscall.h" 4#include "libc.h" 5 6int open(const char *filename, int flags, ...) 7{ 8 mode_t mode = 0; 9 10 if ((flags & O_CREAT) || (flags & O_TMPFILE) == O_TMPFILE) { 11 va_list ap; 12 va_start(ap, flags); 13 mode = va_arg(ap, mode_t); 14 va_end(ap); 15 } 16 17 int fd = __sys_open_cp(filename, flags, mode); 18 if (fd>=0 && (flags & O_CLOEXEC)) 19 __syscall(SYS_fcntl, fd, F_SETFD, FD_CLOEXEC); 20 21 return __syscall_ret(fd); 22} 23 24LFS64(open); 25