From 4a5b6a356a79123d3fcd780139629213afcedca8 Mon Sep 17 00:00:00 2001 From: wdenk Date: Sat, 28 Apr 2001 17:59:11 +0000 Subject: Initial revision --- include/linux/posix_types.h | 48 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 include/linux/posix_types.h (limited to 'include/linux') diff --git a/include/linux/posix_types.h b/include/linux/posix_types.h new file mode 100644 index 0000000000..bd37e1faf4 --- /dev/null +++ b/include/linux/posix_types.h @@ -0,0 +1,48 @@ +#ifndef _LINUX_POSIX_TYPES_H +#define _LINUX_POSIX_TYPES_H + +#include + +/* + * This allows for 1024 file descriptors: if NR_OPEN is ever grown + * beyond that you'll have to change this too. But 1024 fd's seem to be + * enough even for such "real" unices like OSF/1, so hopefully this is + * one limit that doesn't have to be changed [again]. + * + * Note that POSIX wants the FD_CLEAR(fd,fdsetp) defines to be in + * (and thus ) - but this is a more logical + * place for them. Solved by having dummy defines in . + */ + +/* + * Those macros may have been defined in . But we always + * use the ones here. + */ +#undef __NFDBITS +#define __NFDBITS (8 * sizeof(unsigned long)) + +#undef __FD_SETSIZE +#define __FD_SETSIZE 1024 + +#undef __FDSET_LONGS +#define __FDSET_LONGS (__FD_SETSIZE/__NFDBITS) + +#undef __FDELT +#define __FDELT(d) ((d) / __NFDBITS) + +#undef __FDMASK +#define __FDMASK(d) (1UL << ((d) % __NFDBITS)) + +typedef struct { + unsigned long fds_bits [__FDSET_LONGS]; +} __kernel_fd_set; + +/* Type of a signal handler. */ +typedef void (*__kernel_sighandler_t)(int); + +/* Type of a SYSV IPC key. */ +typedef int __kernel_key_t; + +#include + +#endif /* _LINUX_POSIX_TYPES_H */ -- cgit v1.2.3