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- /* vi: set sw=4 ts=4: */
- /* Syscalls for uClibc
- *
- * Copyright (C) 2000 by Lineo, inc. and Erik Andersen
- * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
- */
- #include <errno.h>
- #include <unistd.h>
- #include <features.h>
- #include <sys/types.h>
- #include <sys/syscall.h>
- #ifdef __NR_create_module
- unsigned long create_module(const char *name, size_t size);
- #if defined(__UCLIBC_BROKEN_CREATE_MODULE__)
- # define __NR___create_module __NR_create_module
- static inline _syscall2(long, __create_module, const char *, name, size_t, size);
- /* By checking the value of errno, we know if we have been fooled
- * by the syscall2 macro making a very high address look like a
- * negative, so we we fix it up here. */
- unsigned long create_module(const char *name, size_t size)
- {
- long ret = __create_module(name, size);
- /* Jump through hoops to fixup error return codes */
- if (ret == -1 && errno > 125) {
- ret = -errno;
- __set_errno(0);
- }
- return ret;
- }
- #elif defined(__UCLIBC_SLIGHTLY_BROKEN_CREATE_MODULE__)
- # define __NR___create_module __NR_create_module
- /* Alpha doesn't have the same problem, exactly, but a bug in older
- kernels fails to clear the error flag. Clear it here explicitly. */
- static inline _syscall4(unsigned long, __create_module, const char *, name,
- size_t, size, size_t, dummy, size_t, err);
- unsigned long create_module(const char *name, size_t size)
- {
- return __create_module(name, size, 0, 0);
- }
- #else
- /* Sparc, MIPS, etc don't mistake return values for errors. */
- _syscall2(unsigned long, create_module, const char *, name, size_t, size);
- #endif
- #else /* !__NR_create_module */
- caddr_t create_module(const char *name attribute_unused, size_t size attribute_unused);
- caddr_t create_module(const char *name attribute_unused, size_t size attribute_unused)
- {
- __set_errno(ENOSYS);
- return (caddr_t)-1;
- }
- #endif
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