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/*
* 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 | (O_TMPFILE &~ O_DIRECTORY))) {
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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