diff options
Diffstat (limited to 'libc/sysdeps/linux')
| -rw-r--r-- | libc/sysdeps/linux/common/syscalls.c | 51 |
1 files changed, 34 insertions, 17 deletions
diff --git a/libc/sysdeps/linux/common/syscalls.c b/libc/sysdeps/linux/common/syscalls.c index bfb7c6771..3bf540b20 100644 --- a/libc/sysdeps/linux/common/syscalls.c +++ b/libc/sysdeps/linux/common/syscalls.c @@ -1039,12 +1039,13 @@ _syscall1(int, setfsgid, gid_t, gid); #endif //#define __NR__llseek 140 -#ifdef __UCLIBC_HAVE_LFS__ #ifdef L__llseek -extern int _llseek(int fd, off_t hoff, off_t loff, loff_t *res, int whence); +#ifdef __UCLIBC_HAVE_LFS__ +extern int _llseek(int fd, off_t offset_hi, off_t offset_lo, + loff_t *result, int whence); -_syscall5(int, _llseek, int, fd, off_t, hoff, off_t, loff, loff_t *, res, - int, whence); +_syscall5(int, _llseek, int, fd, off_t, offset_hi, off_t, offset_lo, + loff_t *, result, int, whence); loff_t __libc_lseek64(int fd, loff_t offset, int whence) { @@ -1409,25 +1410,41 @@ _syscall4(ssize_t,sendfile, int, out_fd, int, in_fd, off_t *, offset, size_t, co //#define __NR_truncate64 193 -#ifdef __UCLIBC_HAVE_LFS__ #ifdef L_truncate64 +#ifdef __UCLIBC_HAVE_LFS__ +#include <bits/wordsize.h> +/* We only implement truncate64/ftruncate64 on 64-bit systems, because + * Using _syscall2 to pass 64-bit arguments generally only works on 64-bit + * systems, so we only implement truncate64/ftruncate64 in that case. Ports + * for processors with shorter word-lengths should define their own custom + * versions instead. */ +#if __WORDSIZE >= 64 #include <unistd.h> _syscall2(int, truncate64, const char *, path, __off64_t, length); -#endif +#endif /* __WORDSIZE >= 64 */ #endif /* __UCLIBC_HAVE_LFS__ */ +#endif //#define __NR_ftruncate64 194 -#ifdef __UCLIBC_HAVE_LFS__ #ifdef L_ftruncate64 +#ifdef __UCLIBC_HAVE_LFS__ +#include <bits/wordsize.h> +/* We only implement truncate64/ftruncate64 on 64-bit systems, because + * Using _syscall2 to pass 64-bit arguments generally only works on 64-bit + * systems, so we only implement truncate64/ftruncate64 in that case. Ports + * for processors with shorter word-lengths should define their own custom + * versions instead. */ +#if __WORDSIZE >= 64 #include <unistd.h> _syscall2(int, ftruncate64, int, fd, __off64_t, length); -#endif +#endif /* __WORDSIZE >= 64 */ #endif /* __UCLIBC_HAVE_LFS__ */ +#endif //#define __NR_stat64 195 -#ifdef __UCLIBC_HAVE_LFS__ #ifdef L___stat64 +#ifdef __UCLIBC_HAVE_LFS__ #include <unistd.h> #include "statfix64.h" #define __NR___stat64 __NR_stat64 @@ -1449,12 +1466,12 @@ int stat64(const char *file_name, struct libc_stat64 *buf) { return(__xstat64(0, file_name, buf)); } -#endif #endif /* __UCLIBC_HAVE_LFS__ */ +#endif //#define __NR_lstat64 196 -#ifdef __UCLIBC_HAVE_LFS__ #ifdef L___lstat64 +#ifdef __UCLIBC_HAVE_LFS__ #include <unistd.h> #include "statfix64.h" #define __NR___lstat64 __NR_lstat64 @@ -1476,12 +1493,12 @@ int lstat64(const char *file_name, struct libc_stat64 *buf) { return(__lxstat64(0, file_name, buf)); } -#endif #endif /* __UCLIBC_HAVE_LFS__ */ +#endif //#define __NR_fstat64 197 -#ifdef __UCLIBC_HAVE_LFS__ #ifdef L___fstat64 +#ifdef __UCLIBC_HAVE_LFS__ #include <unistd.h> #include "statfix64.h" #define __NR___fstat64 __NR_fstat64 @@ -1503,8 +1520,8 @@ int fstat64(int filedes, struct libc_stat64 *buf) { return(__fxstat64(0, filedes, buf)); } -#endif #endif /* __UCLIBC_HAVE_LFS__ */ +#endif //#define __NR_lchown32 198 @@ -1538,18 +1555,18 @@ _syscall2(int, pivot_root, const char *, new_root, const char *, put_old) //#define __NR_madvise1 219 /* delete when C lib stub is removed */ //#define __NR_getdents64 220 -#ifdef __UCLIBC_HAVE_LFS__ #ifdef L_getdents64 +#ifdef __UCLIBC_HAVE_LFS__ #include <unistd.h> #include <dirent.h> _syscall3(int, getdents64, int, fd, char *, dirp, size_t, count); -#endif #endif /* __UCLIBC_HAVE_LFS__ */ +#endif //#define __NR_fcntl64 221 +#ifdef L__fcntl64 #ifdef __UCLIBC_HAVE_LFS__ #define __NR__fcntl64 __NR_fcntl64 -#ifdef L__fcntl64 #include <stdarg.h> #include <fcntl.h> extern int _fcntl64(int fd, int cmd, long arg); |