diff options
| -rw-r--r-- | libbb/syscalls.c | 59 |
1 files changed, 29 insertions, 30 deletions
diff --git a/libbb/syscalls.c b/libbb/syscalls.c index 9e89dbd39..7f7e0f55d 100644 --- a/libbb/syscalls.c +++ b/libbb/syscalls.c @@ -29,7 +29,7 @@ #include <sys/syscall.h> #include "libbb.h" -int sysfs( int option, unsigned int fs_index, char * buf) +int sysfs(int option, unsigned int fs_index, char * buf) { return(syscall(__NR_sysfs, option, fs_index, buf)); } @@ -39,37 +39,37 @@ 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... - /* 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; + /* 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 - return(syscall(__NR_pivot_root, new_root, put_old)); -#endif + return(syscall(__NR_pivot_root, new_root, put_old)); +#endif /* __NR_pivot_root */ } - -/* These syscalls are not included in ancient glibc versions */ +/* These syscalls are not included in ancient glibc versions, + so we have to define them ourselves, whee ! */ #if ((__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1)) int bdflush(int func, int data) { - return(syscall(__NR_bdflush, func, data)); + return(syscall(__NR_bdflush, func, data)); } #ifndef __alpha__ # define __NR_klogctl __NR_syslog int klogctl(int type, char *b, int len) { - return(syscall(__NR_klogctl, type, b, len)); + return(syscall(__NR_klogctl, type, b, len)); } -#endif +#endif /* __alpha__ */ int umount2(const char * special_file, int flags) @@ -77,22 +77,21 @@ 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; + /* 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 + return(syscall(__NR_umount2, special_file, flags)); +#endif /* __NR_pivot_root */ } - -#endif +#endif /* old glibc check */ /* END CODE */ |