diff options
Diffstat (limited to 'libc/sysdeps/linux/sh/bits')
| -rw-r--r-- | libc/sysdeps/linux/sh/bits/fcntl.h | 40 | ||||
| -rw-r--r-- | libc/sysdeps/linux/sh/bits/huge_val.h | 62 | ||||
| -rw-r--r-- | libc/sysdeps/linux/sh/bits/mman.h | 2 |
3 files changed, 44 insertions, 60 deletions
diff --git a/libc/sysdeps/linux/sh/bits/fcntl.h b/libc/sysdeps/linux/sh/bits/fcntl.h index 8c9159f0f..30fcc8367 100644 --- a/libc/sysdeps/linux/sh/bits/fcntl.h +++ b/libc/sysdeps/linux/sh/bits/fcntl.h @@ -22,8 +22,11 @@ # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead." #endif - #include <sys/types.h> +#ifdef __USE_GNU +# include <bits/uio.h> +#endif + /* open/fcntl - O_SYNC is only implemented on blocks devices and on files located on an ext2 file system */ @@ -180,16 +183,45 @@ struct flock64 # define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */ #endif -/* Linux-specific operations for posix_fadvise. */ + #ifdef __USE_GNU -# define LINUX_FADV_ASYNC_WRITE 32 /* Start writeout on range. */ -# define LINUX_FADV_WRITE_WAIT 33 /* Wait upon writeout to range. */ +# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages + in the range before performing the + write. */ +# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those + dirty pages in the range which are + not presently under writeback. */ +# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in + the range after performing the + write. */ #endif __BEGIN_DECLS +#if 0 /*def __USE_GNU*/ + /* Provide kernel hint to read ahead. */ extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count) __THROW; + +/* Selective file content synch'ing. */ +extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to, + unsigned int __flags); + + +/* Splice address range into a pipe. */ +extern int vmsplice (int __fdout, const struct iovec *__iov, size_t __count, + unsigned int __flags); + +/* Splice two files together. */ +extern int splice (int __fdin, int __fdout, size_t __len, unsigned int __flags) + __THROW; + +/* In-kernel implementation of tee for pipe buffers. */ +extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags) + __THROW; + +#endif + __END_DECLS diff --git a/libc/sysdeps/linux/sh/bits/huge_val.h b/libc/sysdeps/linux/sh/bits/huge_val.h index e476d796b..732b06503 100644 --- a/libc/sysdeps/linux/sh/bits/huge_val.h +++ b/libc/sysdeps/linux/sh/bits/huge_val.h @@ -1,7 +1,8 @@ /* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity). Used by <stdlib.h> and <math.h> functions for overflow. SH version. - Copyright (C) 1992, 95, 96, 97, 98, 99, 2000 Free Software Foundation, Inc. + Copyright (C) 1992, 95, 96, 97, 98, 99, 2000, 2004 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -23,25 +24,19 @@ # error "Never use <bits/huge_val.h> directly; include <math.h> instead." #endif -#include <features.h> - /* IEEE positive infinity (-HUGE_VAL is negative infinity). */ -#ifdef __GNUC__ - -# if __GNUC_PREREQ(2,96) - -# define HUGE_VAL (__extension__ 0x1.0p2047) - -# else +#if __GNUC_PREREQ(3,3) +# define HUGE_VAL (__builtin_huge_val()) +#elif __GNUC_PREREQ(2,96) +# define HUGE_VAL (__extension__ 0x1.0p2047) +#elif defined __GNUC__ # define HUGE_VAL \ (__extension__ \ ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \ { __l: 0x000000007ff00000ULL }).__d) -# endif - #else /* not GCC */ # include <endian.h> @@ -59,46 +54,3 @@ static __huge_val_t __huge_val = { __HUGE_VAL_bytes }; # define HUGE_VAL (__huge_val.__d) #endif /* GCC. */ - - -/* ISO C99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */ - -#ifdef __USE_ISOC99 - -# ifdef __GNUC__ - -# if __GNUC_PREREQ(2,96) - -# define HUGE_VALF (__extension__ 0x1.0p255f) - -# else - -# define HUGE_VALF \ - (__extension__ \ - ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \ - { __l: 0x7f800000UL }).__d) - -# endif - -# else /* not GCC */ - -typedef union { unsigned char __c[4]; float __f; } __huge_valf_t; - -# if __BYTE_ORDER == __BIG_ENDIAN -# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 } -# endif -# if __BYTE_ORDER == __LITTLE_ENDIAN -# define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f } -# endif - -static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes }; -# define HUGE_VALF (__huge_valf.__f) - -# endif /* GCC. */ - - -/* Generally there is no separate `long double' format and it is the - same as `double'. */ -# define HUGE_VALL HUGE_VAL - -#endif /* __USE_ISOC99. */ diff --git a/libc/sysdeps/linux/sh/bits/mman.h b/libc/sysdeps/linux/sh/bits/mman.h index 3c10334a4..7a6b572a4 100644 --- a/libc/sysdeps/linux/sh/bits/mman.h +++ b/libc/sysdeps/linux/sh/bits/mman.h @@ -88,7 +88,7 @@ # define MADV_SEQUENTIAL 2 /* Expect sequential page references. */ # define MADV_WILLNEED 3 /* Will need these pages. */ # define MADV_DONTNEED 4 /* Don't need these pages. */ -# define MADV_REMOVE 5 /* Remove these pages and resources. */ +# define MADV_REMOVE 9 /* Remove these pages and resources. */ # define MADV_DONTFORK 10 /* Do not inherit across fork. */ # define MADV_DOFORK 11 /* Do inherit across fork. */ #endif |