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/* vi: set sw=4 ts=4: */
/*
* msync() 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 <unistd.h>
#include <sys/mman.h>
#ifdef __UCLIBC_HAS_THREADS_NATIVE__
#include <sysdep-cancel.h>
#else
#define SINGLE_THREAD_P 1
#endif
#define __NR___syscall_msync __NR_msync
static __always_inline _syscall3(int, __syscall_msync, void *, addr, size_t, length,
int, flags)
extern __typeof(msync) __libc_msync;
int __libc_msync(void * addr, size_t length, int flags)
{
#ifdef __UCLIBC_HAS_THREADS_NATIVE__
int oldtype, result;
#endif
if (SINGLE_THREAD_P)
return __syscall_msync(addr, length, flags);
#ifdef __UCLIBC_HAS_THREADS_NATIVE__
oldtype = LIBC_CANCEL_ASYNC ();
result = __syscall_msync(addr, length, flags);
LIBC_CANCEL_RESET (oldtype);
return result;
#endif
}
weak_alias(__libc_msync,msync)
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