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author | wdenk <wdenk> | 2001-04-28 17:59:11 +0000 |
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committer | wdenk <wdenk> | 2001-04-28 17:59:11 +0000 |
commit | 4a5b6a356a79123d3fcd780139629213afcedca8 (patch) | |
tree | a54c1cec31c73462ba2c04fac3318a0990dd21b1 /include/linux | |
parent | b631bb9cad6b5553846f508fbfa5ba6362fb0677 (diff) | |
download | u-boot-4a5b6a356a79123d3fcd780139629213afcedca8.zip u-boot-4a5b6a356a79123d3fcd780139629213afcedca8.tar.gz u-boot-4a5b6a356a79123d3fcd780139629213afcedca8.tar.bz2 |
Initial revision
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/posix_types.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/linux/posix_types.h b/include/linux/posix_types.h new file mode 100644 index 0000000..bd37e1f --- /dev/null +++ b/include/linux/posix_types.h @@ -0,0 +1,48 @@ +#ifndef _LINUX_POSIX_TYPES_H +#define _LINUX_POSIX_TYPES_H + +#include <linux/stddef.h> + +/* + * 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 + * <sys/time.h> (and thus <linux/time.h>) - but this is a more logical + * place for them. Solved by having dummy defines in <sys/time.h>. + */ + +/* + * Those macros may have been defined in <gnu/types.h>. 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 <asm/posix_types.h> + +#endif /* _LINUX_POSIX_TYPES_H */ |