From: Jeff Dike <jdike@addtoit.com>
From: Chris Wedgewood: this removes unnecessary cruft from unistd.h
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/include/asm-um/unistd.h | 106 +++++-----------------------------------
1 files changed, 15 insertions(+), 91 deletions(-)
diff -puN include/asm-um/unistd.h~uml-unistdh-cleanup include/asm-um/unistd.h
--- 25/include/asm-um/unistd.h~uml-unistdh-cleanup 2004-11-28 01:17:24.640342504 -0800
+++ 25-akpm/include/asm-um/unistd.h 2004-11-28 01:17:24.644341896 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2000 - 2004 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
@@ -41,105 +41,29 @@ extern int um_execve(const char *file, c
#include <linux/compiler.h>
#include <linux/types.h>
-#define KERNEL_CALL(ret_t, sys, args...) \
- mm_segment_t fs = get_fs(); \
- ret_t ret; \
- set_fs(KERNEL_DS); \
- ret = sys(args); \
- set_fs(fs); \
- if (ret >= 0) \
- return ret; \
- errno = -(long)ret; \
- return -1;
-
-static inline long open(const char *pathname, int flags, int mode)
-{
- KERNEL_CALL(int, sys_open, pathname, flags, mode)
-}
-
-static inline long dup(unsigned int fd)
-{
- KERNEL_CALL(int, sys_dup, fd);
-}
-
-static inline long close(unsigned int fd)
-{
- KERNEL_CALL(int, sys_close, fd);
-}
-
-static inline int execve(const char *filename, char *const argv[],
+static inline int execve(const char *filename, char *const argv[],
char *const envp[])
{
- KERNEL_CALL(int, um_execve, filename, argv, envp);
-}
-
-static inline long waitpid(pid_t pid, unsigned int *status, int options)
-{
- KERNEL_CALL(pid_t, sys_wait4, pid, status, options, NULL)
-}
-
-static inline pid_t setsid(void)
-{
- KERNEL_CALL(pid_t, sys_setsid)
-}
+ mm_segment_t fs;
+ int ret;
-static inline off_t lseek(unsigned int fd, off_t offset, unsigned int whence)
-{
- KERNEL_CALL(long, sys_lseek, fd, offset, whence)
-}
+ fs = get_fs();
+ set_fs(KERNEL_DS);
+ ret = um_execve(filename, argv, envp);
+ set_fs(fs);
-static inline int read(unsigned int fd, char * buf, int len)
-{
- KERNEL_CALL(int, sys_read, fd, buf, len)
-}
+ if (ret >= 0)
+ return ret;
-static inline int write(unsigned int fd, char * buf, int len)
-{
- KERNEL_CALL(int, sys_write, fd, buf, len)
+ errno = -(long)ret;
+ return -1;
}
-long sys_mmap2(unsigned long addr, unsigned long len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, unsigned long pgoff);
-long sys_execve(char *file, char **argv, char **env);
-long sys_clone(unsigned long clone_flags, unsigned long newsp,
- int *parent_tid, int *child_tid);
-long sys_fork(void);
-long sys_vfork(void);
-long sys_pipe(unsigned long *fildes);
-struct sigaction;
-asmlinkage long sys_rt_sigaction(int sig,
- const struct sigaction __user *act,
- struct sigaction __user *oact,
- size_t sigsetsize);
-
-#endif
-
-/* Save the value of __KERNEL_SYSCALLS__, undefine it, include the underlying
- * arch's unistd.h for the system call numbers, and restore the old
- * __KERNEL_SYSCALLS__.
- */
+int sys_execve(char *file, char **argv, char **env);
-#ifdef __KERNEL_SYSCALLS__
-#define __SAVE_KERNEL_SYSCALLS__ __KERNEL_SYSCALLS__
-#endif
+#endif /* __KERNEL_SYSCALLS__ */
#undef __KERNEL_SYSCALLS__
#include "asm/arch/unistd.h"
-#ifdef __KERNEL_SYSCALLS__
-#define __KERNEL_SYSCALLS__ __SAVE_KERNEL_SYSCALLS__
-#endif
-
-#endif
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
+#endif /* _UM_UNISTD_H_*/
_