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- Log ----------------------------------------------------------------- commit 628943bcfde03547b9f83d04578bd1e8aa5d23fc Author: Waldemar Brodkorb wbx@uclibc-ng.org Date: Sat Jul 5 18:09:19 2014 +0200

Add eventfd_read() and eventfd_write()

Signed-off-by: Khem Raj raj.khem@gmail.com

-----------------------------------------------------------------------

Summary of changes: libc/sysdeps/linux/common/Makefile.in | 2 ++ .../sysdeps/linux/common/eventfd_read.c | 10 +++++----- .../sysdeps/linux/common/eventfd_write.c | 11 ++++++----- libc/sysdeps/linux/common/sys/eventfd.h | 4 ---- 4 files changed, 13 insertions(+), 14 deletions(-) copy libpthread/linuxthreads/pthread_seteuid.c => libc/sysdeps/linux/common/eventfd_read.c (77%) copy libpthread/linuxthreads/pthread_seteuid.c => libc/sysdeps/linux/common/eventfd_write.c (77%)

diff --git a/libc/sysdeps/linux/common/Makefile.in b/libc/sysdeps/linux/common/Makefile.in index a175ab6..9d41771 100644 --- a/libc/sysdeps/linux/common/Makefile.in +++ b/libc/sysdeps/linux/common/Makefile.in @@ -25,6 +25,8 @@ CSRC-$(UCLIBC_LINUX_SPECIFIC) += \ capset.c \ dup3.c \ eventfd.c \ + eventfd_read.c \ + eventfd_write.c \ inotify.c \ ioperm.c \ iopl.c \ diff --git a/libpthread/linuxthreads/pthread_seteuid.c b/libc/sysdeps/linux/common/eventfd_read.c similarity index 77% copy from libpthread/linuxthreads/pthread_seteuid.c copy to libc/sysdeps/linux/common/eventfd_read.c index a5423a9..75f2aaa 100644 --- a/libpthread/linuxthreads/pthread_seteuid.c +++ b/libc/sysdeps/linux/common/eventfd_read.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2004 Free Software Foundation, Inc. +/* Copyright (C) 2007-2014 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 @@ -15,13 +15,13 @@ License along with the GNU C Library; if not, see http://www.gnu.org/licenses/. */

-#include <pthread.h> +#include <errno.h> #include <unistd.h> +#include <sys/eventfd.h>

-int pthread_seteuid_np (uid_t uid); int -pthread_seteuid_np (uid_t uid) +eventfd_read (int fd, eventfd_t *value) { - return seteuid (uid); + return read (fd, value, sizeof (eventfd_t)) != sizeof (eventfd_t) ? -1 : 0; } diff --git a/libpthread/linuxthreads/pthread_seteuid.c b/libc/sysdeps/linux/common/eventfd_write.c similarity index 77% copy from libpthread/linuxthreads/pthread_seteuid.c copy to libc/sysdeps/linux/common/eventfd_write.c index a5423a9..e1509cf 100644 --- a/libpthread/linuxthreads/pthread_seteuid.c +++ b/libc/sysdeps/linux/common/eventfd_write.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2004 Free Software Foundation, Inc. +/* Copyright (C) 2007-2014 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 @@ -15,13 +15,14 @@ License along with the GNU C Library; if not, see http://www.gnu.org/licenses/. */

-#include <pthread.h> +#include <errno.h> #include <unistd.h> +#include <sys/eventfd.h>

-int pthread_seteuid_np (uid_t uid); int -pthread_seteuid_np (uid_t uid) +eventfd_write (int fd, eventfd_t value) { - return seteuid (uid); + return write (fd, &value, + sizeof (eventfd_t)) != sizeof (eventfd_t) ? -1 : 0; } diff --git a/libc/sysdeps/linux/common/sys/eventfd.h b/libc/sysdeps/linux/common/sys/eventfd.h index 1bf785f..91b265b 100644 --- a/libc/sysdeps/linux/common/sys/eventfd.h +++ b/libc/sysdeps/linux/common/sys/eventfd.h @@ -33,16 +33,12 @@ __BEGIN_DECLS value to COUNT. */ extern int eventfd (int __count, int __flags) __THROW;

-#if 0 /* not (yet) implemented in uClibc */ - /* Read event counter and possibly wait for events. */ extern int eventfd_read (int __fd, eventfd_t *__value);

/* Increment event counter. */ extern int eventfd_write (int __fd, eventfd_t __value);

-#endif - __END_DECLS

#endif /* sys/eventfd.h */

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