diff options
Diffstat (limited to 'libc/sysdeps')
-rw-r--r-- | libc/sysdeps/linux/arm/posix_fadvise.c | 37 | ||||
-rw-r--r-- | libc/sysdeps/linux/arm/posix_fadvise64.c | 47 |
2 files changed, 84 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/arm/posix_fadvise.c b/libc/sysdeps/linux/arm/posix_fadvise.c new file mode 100644 index 000000000..60999ecdf --- /dev/null +++ b/libc/sysdeps/linux/arm/posix_fadvise.c @@ -0,0 +1,37 @@ +/* vi: set sw=4 ts=4: */ +/* + * posix_fadvise() for ARM uClibc + * http://www.opengroup.org/onlinepubs/009695399/functions/posix_fadvise.html + * + * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ +#include <sys/syscall.h> +#include <fcntl.h> +#if defined __NR_arm_fadvise64_64 +/* This is for the ARM version of fadvise64_64 which swaps the params + * * about to avoid having ABI compat issues + * */ +#define __NR___syscall_arm_fadvise64_64 __NR_arm_fadvise64_64 +int __libc_posix_fadvise(int fd, off_t offset, off_t len, int advise) +{ + INTERNAL_SYSCALL_DECL (err); + int ret = INTERNAL_SYSCALL (arm_fadvise64_64, err, 6, fd, advise, + __LONG_LONG_PAIR ((long)(offset >> 32), (long)offset), + __LONG_LONG_PAIR ((long)(len >> 32), (long)len)); + + if (INTERNAL_SYSCALL_ERROR_P (ret, err)) + return INTERNAL_SYSCALL_ERRNO (ret, err); + return 0; + +} +weak_alias(__libc_posix_fadvise, posix_fadvise); +#else +int posix_fadvise(int fd attribute_unused, off_t offset attribute_unused, off_t len attribute_unused, int advice attribute_unused) +{ + __set_errno(ENOSYS); + return -1; +} +#endif + diff --git a/libc/sysdeps/linux/arm/posix_fadvise64.c b/libc/sysdeps/linux/arm/posix_fadvise64.c new file mode 100644 index 000000000..672443b7d --- /dev/null +++ b/libc/sysdeps/linux/arm/posix_fadvise64.c @@ -0,0 +1,47 @@ +/* vi: set sw=4 ts=4: */ +/* + * posix_fadvise64() for ARM uClibc + * http://www.opengroup.org/onlinepubs/009695399/functions/posix_fadvise.html + * + * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include <features.h> +#include <unistd.h> +#include <errno.h> +#include <endian.h> +#include <stdint.h> +#include <sys/types.h> +#include <sys/syscall.h> +#include <fcntl.h> + +#ifdef __UCLIBC_HAS_LFS__ + +#if defined __NR_arm_fadvise64_64 +/* This is for the ARM version of fadvise64_64 which swaps the params + * about to avoid having ABI compat issues + */ +#define __NR___syscall_arm_fadvise64_64 __NR_arm_fadvise64_64 +int __libc_posix_fadvise64(int fd, __off64_t offset, __off64_t len, int advise) +{ + INTERNAL_SYSCALL_DECL (err); + int ret = INTERNAL_SYSCALL (arm_fadvise64_64, err, 6, fd, advise, + __LONG_LONG_PAIR ((long)(offset >> 32), (long)offset), + __LONG_LONG_PAIR ((long)(len >> 32), (long)len)); + if (!INTERNAL_SYSCALL_ERROR_P (ret, err)) + return 0; + if (INTERNAL_SYSCALL_ERRNO (ret, err) != ENOSYS) + return INTERNAL_SYSCALL_ERRNO (ret, err); + return 0; +} +weak_alias(__libc_posix_fadvise64, posix_fadvise64); +#else +int posix_fadvise64(int fd, __off64_t offset, __off64_t len, int advise) +{ + __set_errno(ENOSYS); + return -1; +} +#endif +#endif |