diff options
| -rw-r--r-- | libc/sysdeps/linux/common/Makefile.in | 3 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/eventfd.c | 18 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/sys/eventfd.h | 48 |
3 files changed, 68 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/common/Makefile.in b/libc/sysdeps/linux/common/Makefile.in index 8f936ffcc..63f3f6f07 100644 --- a/libc/sysdeps/linux/common/Makefile.in +++ b/libc/sysdeps/linux/common/Makefile.in @@ -24,7 +24,8 @@ CSRC-$(UCLIBC_LINUX_SPECIFIC) += capget.c capset.c inotify.c ioperm.c iopl.c \ remap_file_pages.c sched_getaffinity.c sched_setaffinity.c \ sendfile64.c sendfile.c setfsgid.c setfsuid.c setresuid.c \ splice.c vmsplice.c tee.c signalfd.c swapoff.c swapon.c \ - sync_file_range.c sysctl.c sysinfo.c timerfd.c uselib.c vhangup.c + sync_file_range.c sysctl.c sysinfo.c eventfd.c timerfd.c uselib.c \ + vhangup.c # NPTL needs these internally: madvise.c CSRC-$(findstring y,$(UCLIBC_LINUX_SPECIFIC)$(UCLIBC_HAS_THREADS_NATIVE)) += madvise.c ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y) diff --git a/libc/sysdeps/linux/common/eventfd.c b/libc/sysdeps/linux/common/eventfd.c new file mode 100644 index 000000000..cc3f3f0f7 --- /dev/null +++ b/libc/sysdeps/linux/common/eventfd.c @@ -0,0 +1,18 @@ +/* vi: set sw=4 ts=4: */ +/* + * eventfd() for uClibc + * + * Copyright (C) 2011 Jean-Christian de Rivaz <jc@eclis.ch> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include <sys/syscall.h> +#include <sys/eventfd.h> + +/* + * eventfd() + */ +#ifdef __NR_eventfd +_syscall2(int, eventfd, int, count, int, flags) +#endif diff --git a/libc/sysdeps/linux/common/sys/eventfd.h b/libc/sysdeps/linux/common/sys/eventfd.h new file mode 100644 index 000000000..311f803c6 --- /dev/null +++ b/libc/sysdeps/linux/common/sys/eventfd.h @@ -0,0 +1,48 @@ +/* Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _SYS_EVENTFD_H +#define _SYS_EVENTFD_H 1 + +#include <stdint.h> + + +/* Type for event counter. */ +typedef uint64_t eventfd_t; + +/* Flags for signalfd. */ +enum + { + EFD_SEMAPHORE = 1, +#define EFD_SEMAPHORE EFD_SEMAPHORE + EFD_CLOEXEC = 02000000, +#define EFD_CLOEXEC EFD_CLOEXEC + EFD_NONBLOCK = 04000 +#define EFD_NONBLOCK EFD_NONBLOCK + }; + + +__BEGIN_DECLS + +/* Return file descriptor for generic event channel. Set initial + value to COUNT. */ +extern int eventfd (int __count, int __flags) __THROW; + +__END_DECLS + +#endif /* sys/eventfd.h */ |