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/* vi: set sw=4 ts=4: */
/*
* signalfd() for uClibc
*
* Copyright (C) 2008 Bernhard Reutner-Fischer <uclibc@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#include <sys/syscall.h>
#include <signal.h>
#include <sys/signalfd.h>
#if defined __NR_signalfd4
#define __NR___syscall_signalfd4 __NR_signalfd4
static __inline__ _syscall4(int, __syscall_signalfd4, int, fd,
const sigset_t *, mask, size_t, sizemask, int, flags);
#elif defined __NR_signalfd
#define __NR___syscall_signalfd __NR_signalfd4
static __inline__ _syscall3(int, __syscall_signalfd, int, fd,
const sigset_t *, mask, size_t, sizemask);
#endif
int signalfd (int fd, const sigset_t *mask, int flags)
{
#if defined __NR___syscall_signalfd4
return __syscall_signalfd4(fd, mask, _NSIG / 8, flags);
#elif defined __NR___syscall_signalfd
if (flags != 0) {
__set_errno(EINVAL);
return 1;
}
return __syscall_signalfd(fd, mask, _NSIG / 8);
#elif defined __UCLIBC_HAS_STUBS__
__set_errno(ENOSYS);
return -1;
#endif
}
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