diff options
| -rw-r--r-- | tools/include/nolibc/nolibc.h | 14 | ||||
| -rw-r--r-- | tools/include/nolibc/types.h | 30 |
2 files changed, 30 insertions, 14 deletions
diff --git a/tools/include/nolibc/nolibc.h b/tools/include/nolibc/nolibc.h index c96c6cb7f3ae..2267d98337ea 100644 --- a/tools/include/nolibc/nolibc.h +++ b/tools/include/nolibc/nolibc.h @@ -118,20 +118,6 @@ const char *ltoa(long in) /* Here come a few helper functions */ -static __attribute__((unused)) -void FD_ZERO(fd_set *set) -{ - memset(set, 0, sizeof(*set)); -} - -static __attribute__((unused)) -void FD_SET(int fd, fd_set *set) -{ - if (fd < 0 || fd >= FD_SETSIZE) - return; - set->fd32[fd / 32] |= 1 << (fd & 31); -} - /* WARNING, it only deals with the 4096 first majors and 256 first minors */ static __attribute__((unused)) dev_t makedev(unsigned int major, unsigned int minor) diff --git a/tools/include/nolibc/types.h b/tools/include/nolibc/types.h index 2f09abaf95f1..a4dda0a22fc2 100644 --- a/tools/include/nolibc/types.h +++ b/tools/include/nolibc/types.h @@ -75,6 +75,36 @@ typedef struct { uint32_t fd32[FD_SETSIZE / 32]; } fd_set; +#define FD_CLR(fd, set) do { \ + fd_set *__set = (set); \ + int __fd = (fd); \ + if (__fd >= 0) \ + __set->fd32[__fd / 32] &= ~(1U << (__fd & 31)); \ + } while (0) + +#define FD_SET(fd, set) do { \ + fd_set *__set = (set); \ + int __fd = (fd); \ + if (__fd >= 0) \ + __set->fd32[__fd / 32] |= 1U << (__fd & 31); \ + } while (0) + +#define FD_ISSET(fd, set) ({ \ + fd_set *__set = (set); \ + int __fd = (fd); \ + int __r = 0; \ + if (__fd >= 0) \ + __r = !!(__set->fd32[__fd / 32] & 1U << (__fd & 31)); \ + __r; \ + }) + +#define FD_ZERO(set) do { \ + fd_set *__set = (set); \ + int __idx; \ + for (__idx = 0; __idx < FD_SETSIZE / 32; __idx ++) \ + __set->fd32[__idx] = 0; \ + } while (0) + /* for poll() */ struct pollfd { int fd; |