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Make all syscall declarations use the syscall() function

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This commit is contained in:
Eric Andersen
2003-05-26 18:48:56 +00:00
parent b0cfca7544
commit 82ab3d7c3e
3 changed files with 77 additions and 63 deletions
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80
libbb/syscalls.c
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@@ -34,71 +34,67 @@
#endif
#include "libbb.h"
#if defined(__ia64__)
int sysfs( int option, unsigned int fs_index, char * buf)
{
return(syscall(__NR_sysfs, option, fs_index, buf));
}
#else
_syscall3(int, sysfs, int, option, unsigned int, fs_index, char *, buf);
#endif
int pivot_root(const char * new_root,const char * put_old)
{
#ifndef __NR_pivot_root
#warning This kernel does not support the pivot_root syscall
#warning -> The pivot_root system call is being stubbed out...
int pivot_root(const char * new_root,const char * put_old)
{
/* BusyBox was compiled against a kernel that did not support
* the pivot_root system call. To make this application work,
* you will need to recompile with a kernel supporting the
* pivot_root system call.
*/
bb_error_msg("\n\nTo make this application work, you will need to recompile\n"
"with a kernel supporting the pivot_root system call. -Erik\n");
errno=ENOSYS;
return -1;
}
/* BusyBox was compiled against a kernel that did not support
* the pivot_root system call. To make this application work,
* you will need to recompile with a kernel supporting the
* pivot_root system call.
*/
bb_error_msg("\n\nTo make this application work, you will need to recompile\n"
"BusyBox with a kernel supporting the pivot_root system call.\n");
errno=ENOSYS;
return -1;
#else
# if defined(__ia64__)
int pivot_root(const char * new_root,const char * put_old)
{
return(syscall(__NR_pivot_root, new_root, put_old));
}
# else
_syscall2(int,pivot_root,const char *,new_root,const char *,put_old);
# endif
return(syscall(__NR_pivot_root, new_root, put_old));
#endif
}
#if __GNU_LIBRARY__ < 5 || ((__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1))
/* These syscalls are not included as part of libc5 */
_syscall2(int, bdflush, int, func, int, data);
int bdflush(int func, int data)
{
return(syscall(__NR_bdflush, func, data));
}
#ifndef __alpha__
# define __NR_klogctl __NR_syslog
_syscall3(int, klogctl, int, type, char *, b, int, len);
int klogctl(int type, char *b, int len)
{
return(syscall(__NR_klogctl, type, b, len));
}
#endif
#ifndef __NR_umount2
# warning This kernel does not support the umount2 syscall
# warning -> The umount2 system call is being stubbed out...
int umount2(const char * special_file, int flags)
{
/* BusyBox was compiled against a kernel that did not support
* the umount2 system call. To make this application work,
* you will need to recompile with a kernel supporting the
* umount2 system call.
*/
bb_error_msg("\n\nTo make this application work, you will need to recompile\n"
"with a kernel supporting the umount2 system call. -Erik\n");
errno=ENOSYS;
return -1;
}
# else
_syscall2(int, umount2, const char *, special_file, int, flags);
#ifndef __NR_pivot_root
#warning This kernel does not support the umount2 syscall
#warning -> The umount2 system call is being stubbed out...
/* BusyBox was compiled against a kernel that did not support
* the umount2 system call. To make this application work,
* you will need to recompile with a kernel supporting the
* umount2 system call.
*/
bb_error_msg("\n\nTo make this application work, you will need to recompile\n"
"BusyBox with a kernel supporting the umount2 system call.\n");
errno=ENOSYS;
return -1;
#else
return(syscall(__NR_umount2, special_file, flags));
#endif
}
#endif /* __GNU_LIBRARY__ < 5 */