1 files changed, 116 insertions, 0 deletions
diff --git a/busybox/libbb/module_syscalls.c b/busybox/libbb/module_syscalls.c
new file mode 100644
index 0000000..a2ff528
--- /dev/null
+++ b/busybox/libbb/module_syscalls.c
@@ -0,0 +1,116 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * some system calls possibly missing from libc
+ *
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU 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
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+#include "libbb.h"
+
+/* uClibc always supplies (possibly ENOSYS) versions of these functions. */
+#ifndef __UCLIBC__
+
+/* These syscalls are not included in very old glibc versions */
+int delete_module(const char *name)
+{
+#ifndef __NR_delete_module
+#warning This kernel does not support the delete_module syscall
+#warning -> The delete_module system call is being stubbed out...
+    errno=ENOSYS;
+    return -1;
+#else
+    return(syscall(__NR_delete_module, name));
+#endif
+}
+
+int get_kernel_syms(__ptr_t ks)
+{
+#ifndef __NR_get_kernel_syms
+#warning This kernel does not support the get_kernel_syms syscall
+#warning -> The get_kernel_syms system call is being stubbed out...
+    errno=ENOSYS;
+    return -1;
+#else
+    return(syscall(__NR_get_kernel_syms, ks));
+#endif
+}
+
+/* This may have 5 arguments (for old 2.0 kernels) or 2 arguments
+ * (for 2.2 and 2.4 kernels).  Use the greatest common denominator,
+ * and let the kernel cope with whatever it gets.  Its good at that. */
+int init_module(void *first, void *second, void *third, void *fourth, void *fifth)
+{
+#ifndef __NR_init_module
+#warning This kernel does not support the init_module syscall
+#warning -> The init_module system call is being stubbed out...
+    errno=ENOSYS;
+    return -1;
+#else
+    return(syscall(__NR_init_module, first, second, third, fourth, fifth));
+#endif
+}
+
+int query_module(const char *name, int which, void *buf, size_t bufsize, size_t *ret)
+{
+#ifndef __NR_query_module
+#warning This kernel does not support the query_module syscall
+#warning -> The query_module system call is being stubbed out...
+    bb_error_msg("\n\nTo make this application work, you will need to recompile\n"
+	    "BusyBox with a kernel supporting the query_module system call.\n");
+    errno=ENOSYS;
+    return -1;
+#else
+    return(syscall(__NR_query_module, name, which, buf, bufsize, ret));
+#endif
+}
+
+/* Jump through hoops to fixup error return codes */
+unsigned long create_module(const char *name, size_t size)
+{
+#ifndef __NR_create_module
+#warning This kernel does not support the create_module syscall
+#warning -> The create_module system call is being stubbed out...
+    errno=ENOSYS;
+    return -1;
+#else
+    long ret = syscall(__NR_create_module, name, size);
+
+    if (ret == -1 && errno > 125) {
+	ret = -errno;
+	errno = 0;
+    }
+    return ret;
+#endif
+}
+
+
+#endif /* __UCLIBC__ */
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
+