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- /* vi: set sw=4 ts=4: */
- /*
- * open() for uClibc
- *
- * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
- *
- * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
- */
- #include <sys/syscall.h>
- #include <fcntl.h>
- #include <stdarg.h>
- #include <cancel.h>
- #if defined __NR_open
- # define __NR___syscall_open __NR_open
- static __always_inline _syscall3(int, __syscall_open, const char *, file,
- int, flags, __kernel_mode_t, mode)
- strong_alias_untyped(__syscall_open,__NC(open))
- # define __NR___open2_nocancel __NR_open
- _syscall2(int, __NC(open2), const char *, file, int, flags)
- #else
- int __open2_nocancel(const char *, int) __nonnull ((1)) attribute_hidden;
- int __open_nocancel(const char *, int, mode_t) __nonnull ((1)) attribute_hidden;
- #endif
- int open(const char *file, int oflag, ...)
- {
- mode_t mode = 0;
- #ifdef __NEW_THREADS
- int oldtype, result;
- #endif
- if (oflag & O_CREAT) {
- va_list arg;
- va_start(arg, oflag);
- mode = va_arg(arg, mode_t);
- va_end(arg);
- }
- if (SINGLE_THREAD_P)
- #if defined(__NR_open)
- return __NC(open)(file, oflag, mode);
- #elif defined(__NR_openat)
- return openat(AT_FDCWD, file, oflag, mode);
- #endif
- #ifdef __NEW_THREADS
- oldtype = LIBC_CANCEL_ASYNC ();
- # if defined(__NR_open)
- result = __NC(open)(file, oflag, mode);
- # else
- result = openat(AT_FDCWD, file, oflag, mode);
- # endif
- LIBC_CANCEL_RESET (oldtype);
- return result;
- #endif
- }
- lt_strong_alias(open)
- lt_libc_hidden(open)
- #if !defined(__NR_open)
- int __open2_nocancel(const char *file, int oflag)
- {
- return open(file, oflag);
- }
- int __open_nocancel(const char *file, int oflag, mode_t mode)
- {
- return open(file, oflag, mode);
- }
- #endif
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