diff options
Diffstat (limited to 'libc/sysdeps/linux/common')
| -rw-r--r-- | libc/sysdeps/linux/common/_exit.c | 39 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/llseek.c | 63 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/mknod.c | 53 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/setuid.c | 44 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/sync.c | 40 |
5 files changed, 239 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/_exit.c b/libc/sysdeps/linux/common/_exit.c new file mode 100644 index 000000000..5e1f180bd --- /dev/null +++ b/libc/sysdeps/linux/common/_exit.c @@ -0,0 +1,39 @@ +/* vi: set sw=4 ts=4: */ +/* + * exit syscall for uClibc + * + * Copyright (C) 2002 by Erik Andersen <andersen@codpoet.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Library General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License + * for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#define _GNU_SOURCE +#include <features.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/syscall.h> + +#ifndef INLINE_SYSCALL +#define INLINE_SYSCALL(name, nr, args...) __syscall_exit (args) +#define __NR___syscall_exit __NR_exit +static inline _syscall1(void, __syscall_exit, int, status); +#endif + +void _exit(int status) +{ + INLINE_SYSCALL(exit, 1, status); +} + diff --git a/libc/sysdeps/linux/common/llseek.c b/libc/sysdeps/linux/common/llseek.c new file mode 100644 index 000000000..63534fa71 --- /dev/null +++ b/libc/sysdeps/linux/common/llseek.c @@ -0,0 +1,63 @@ +/* vi: set sw=4 ts=4: */ +/* + * llseek/lseek64 syscall for uClibc + * + * Copyright (C) 2002 by Erik Andersen <andersen@codpoet.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Library General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License + * for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#define _GNU_SOURCE +#define _LARGEFILE64_SOURCE +#include <features.h> +#undef __OPTIMIZE__ +/* We absolutely do _NOT_ want interfaces silently + * * * renamed under us or very bad things will happen... */ +#ifdef __USE_FILE_OFFSET64 +# undef __USE_FILE_OFFSET64 +#endif +#include <errno.h> +#include <sys/types.h> +#include <sys/syscall.h> + + +#if defined __NR__llseek && defined __UCLIBC_HAVE_LFS__ + +#ifndef INLINE_SYSCALL +#define INLINE_SYSCALL(name, nr, args...) __syscall_llseek (args) +#define __NR___syscall_llseek __NR__llseek +static inline _syscall5(int, __syscall_llseek, int, fd, off_t, offset_hi, + off_t, offset_lo, loff_t *, result, int, whence); +#endif + +loff_t __libc_lseek64(int fd, loff_t offset, int whence) +{ + loff_t result; + return(loff_t)(INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 32), + (off_t) (offset & 0xffffffff), &result, whence) ?: result); +} +weak_alias(__libc_lseek64, llseek); +weak_alias(__libc_lseek64, lseek64); +#else +extern __off_t __libc_lseek(int fildes, off_t offset, int whence); +loff_t __libc_lseek64(int fd, loff_t offset, int whence) +{ + return(loff_t)(__libc_lseek(fd, (off_t) (offset & 0xffffffff), whence)); +} +weak_alias(__libc_lseek, llseek) +weak_alias(__libc_lseek, lseek64) +#endif + diff --git a/libc/sysdeps/linux/common/mknod.c b/libc/sysdeps/linux/common/mknod.c new file mode 100644 index 000000000..913cea29b --- /dev/null +++ b/libc/sysdeps/linux/common/mknod.c @@ -0,0 +1,53 @@ +/* vi: set sw=4 ts=4: */ +/* + * mknod syscall for uClibc + * + * Copyright (C) 2002 by Erik Andersen <andersen@codpoet.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Library General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License + * for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#define _GNU_SOURCE +#define __FORCE_GLIBC +#include <features.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/syscall.h> +#include <asm/posix_types.h> + +#ifndef INLINE_SYSCALL +#define INLINE_SYSCALL(name, nr, args...) __syscall_mknod (args) +#define __NR___syscall_mknod __NR_mknod +static inline _syscall3(int, __syscall_mknod, const char *, path, + unsigned short int, mode, unsigned short int, dev); +#endif + +int __xmknod (int version, const char * path, __mode_t mode, __dev_t *dev) +{ + unsigned short int k_dev; + /* We must convert the value to dev_t type used by the kernel. */ + k_dev = ((major (*dev) & 0xff) << 8) | (minor (*dev) & 0xff); + + switch(version) + { + case 1: + return INLINE_SYSCALL (mknod, 3, path, mode, k_dev); + default: + __set_errno(EINVAL); + return -1; + } +} + diff --git a/libc/sysdeps/linux/common/setuid.c b/libc/sysdeps/linux/common/setuid.c new file mode 100644 index 000000000..a9ca830df --- /dev/null +++ b/libc/sysdeps/linux/common/setuid.c @@ -0,0 +1,44 @@ +/* vi: set sw=4 ts=4: */ +/* + * setuid syscall for uClibc + * + * Copyright (C) 2002 by Erik Andersen <andersen@codpoet.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Library General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License + * for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#define _GNU_SOURCE +#include <features.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/syscall.h> + +#ifndef INLINE_SYSCALL +#define INLINE_SYSCALL(name, nr, args...) __syscall_setuid (args) +#define __NR___syscall_setuid __NR_setuid +static inline _syscall1(int, __syscall_setuid, int, id); +#endif + +int setuid(uid_t uid) +{ + if (uid == (uid_t) ~0 || uid != (uid_t) ((int) uid)) { + __set_errno (EINVAL); + return -1; + } + + return(INLINE_SYSCALL(setuid, 1, uid)); +} + diff --git a/libc/sysdeps/linux/common/sync.c b/libc/sysdeps/linux/common/sync.c new file mode 100644 index 000000000..f256c6607 --- /dev/null +++ b/libc/sysdeps/linux/common/sync.c @@ -0,0 +1,40 @@ +/* vi: set sw=4 ts=4: */ +/* + * sync syscall for uClibc + * + * Copyright (C) 2002 by Erik Andersen <andersen@codpoet.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Library General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License + * for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#define _GNU_SOURCE +#include <features.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/syscall.h> +#include <unistd.h> + +#ifndef INLINE_SYSCALL +#define INLINE_SYSCALL(name, nr, args...) __syscall_sync (args) +#define __NR___syscall_sync __NR_sync +static inline _syscall0(void, __syscall_sync); +#endif + +void sync(void) +{ + INLINE_SYSCALL(sync, 0); +} + |