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authorEric Andersen2001-04-05 03:14:39 +0000
committerEric Andersen2001-04-05 03:14:39 +0000
commite76c3b08e105147e3cef7e8d38d65da2fac6b2e1 (patch)
tree87f705b9e4e4e48700ac61e9538c637ae2b395a7 /libbb/syscalls.c
parent3c0364f3911ec9f43e1c8c96ec2c8e30b1b52c47 (diff)
downloadbusybox-e76c3b08e105147e3cef7e8d38d65da2fac6b2e1.zip
busybox-e76c3b08e105147e3cef7e8d38d65da2fac6b2e1.tar.gz
A number of cleanups. Now compiles with libc5, glibc, and uClibc. Fix a few
shadowed variables. Move (almost) all syscalls to libbb/syscalls.c, so I can handle them sanely and all at once. -Erik
Diffstat (limited to 'libbb/syscalls.c')
-rw-r--r--libbb/syscalls.c72
1 files changed, 60 insertions, 12 deletions
diff --git a/libbb/syscalls.c b/libbb/syscalls.c
index 0211546..efca399 100644
--- a/libbb/syscalls.c
+++ b/libbb/syscalls.c
@@ -32,18 +32,63 @@
#include "libbb.h"
+_syscall3(int, sysfs, int, option, unsigned int, fs_index, char *, buf);
-_syscall1(int, sysinfo, struct sysinfo *, info);
+#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.
+ */
+ fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n");
+ fprintf(stderr, "with a kernel supporting the pivot_root system call. -Erik\n\n");
+ errno=ENOSYS;
+ return -1;
+}
+#else
+_syscall2(int,pivot_root,const char *,new_root,const char *,put_old)
+#endif
+
+
+
+
+#if __GNU_LIBRARY__ < 5
+/* These syscalls are not included as part of libc5 */
+_syscall2(int, bdflush, int, func, int, data);
+_syscall1(int, delete_module, const char *, name)
+
+#ifndef __NR_query_module
+#warning This kernel does not support the query_module syscall
+#warning -> The query_module system call is being stubbed out...
+int query_module(const char *name, int which, void *buf, size_t bufsize, size_t *ret)
+{
+ /* BusyBox was compiled against a kernel that did not support
+ * the query_module system call. To make this application work,
+ * you will need to recompile with a kernel supporting the
+ * query_module system call.
+ */
+ fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n");
+ fprintf(stderr, "with a kernel supporting the query_module system call. -Erik\n\n");
+ errno=ENOSYS;
+ return -1;
+}
+#else
+_syscall5(int, query_module, const char *, name, int, which,
+ void *, buf, size_t, bufsize, size_t*, ret);
+#endif
-/* Include our own version of <sys/mount.h>, since libc5 doesn't
- * know about umount2 */
-extern _syscall1(int, umount, const char *, special_file);
-extern _syscall5(int, mount, const char *, special_file, const char *, dir,
- const char *, fstype, unsigned long int, rwflag, const void *, data);
+#ifndef __alpha__
+# define __NR_klogctl __NR_syslog
+ _syscall3(int, klogctl, int, type, char *, b, int, len);
+#endif
#ifndef __NR_umount2
# warning This kernel does not support the umount2 syscall
-# warning The umount2 system call is being stubbed out...
+# 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
@@ -57,14 +102,17 @@ int umount2(const char * special_file, int flags)
return -1;
}
# else
-extern _syscall2(int, umount2, const char *, special_file, int, flags);
+_syscall2(int, umount2, const char *, special_file, int, flags);
#endif
-#ifndef __NR_query_module
-static const int __NR_query_module = 167;
+
+#endif /* __GNU_LIBRARY__ < 5 */
+
+
+#if 0
+_syscall1(int, sysinfo, struct sysinfo *, info);
#endif
-_syscall5(int, query_module, const char *, name, int, which,
- void *, buf, size_t, bufsize, size_t*, ret);
+
/* END CODE */
/*