diff options
| -rw-r--r-- | libc/sysdeps/linux/common/Makefile.in | 2 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/eventfd.c | 2 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/eventfd_read.c | 27 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/eventfd_write.c | 28 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/sys/eventfd.h | 6 | ||||
| -rw-r--r-- | libc/sysdeps/linux/sparc/bits/eventfd.h | 2 |
6 files changed, 60 insertions, 7 deletions
diff --git a/libc/sysdeps/linux/common/Makefile.in b/libc/sysdeps/linux/common/Makefile.in index a175ab64c..9d41771e2 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/libc/sysdeps/linux/common/eventfd.c b/libc/sysdeps/linux/common/eventfd.c index 96597ab33..500b0c002 100644 --- a/libc/sysdeps/linux/common/eventfd.c +++ b/libc/sysdeps/linux/common/eventfd.c @@ -15,7 +15,7 @@ * eventfd() */ #if defined __NR_eventfd || defined __NR_eventfd2 -int eventfd (int count, int flags) +int eventfd (unsigned int count, int flags) { #if defined __NR_eventfd2 return INLINE_SYSCALL (eventfd2, 2, count, flags); diff --git a/libc/sysdeps/linux/common/eventfd_read.c b/libc/sysdeps/linux/common/eventfd_read.c new file mode 100644 index 000000000..75f2aaa11 --- /dev/null +++ b/libc/sysdeps/linux/common/eventfd_read.c @@ -0,0 +1,27 @@ +/* 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 + 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, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <unistd.h> +#include <sys/eventfd.h> + + +int +eventfd_read (int fd, eventfd_t *value) +{ + return read (fd, value, sizeof (eventfd_t)) != sizeof (eventfd_t) ? -1 : 0; +} diff --git a/libc/sysdeps/linux/common/eventfd_write.c b/libc/sysdeps/linux/common/eventfd_write.c new file mode 100644 index 000000000..e1509cf5c --- /dev/null +++ b/libc/sysdeps/linux/common/eventfd_write.c @@ -0,0 +1,28 @@ +/* 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 + 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, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <unistd.h> +#include <sys/eventfd.h> + + +int +eventfd_write (int fd, eventfd_t value) +{ + 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 1bf785f32..a47b5fecf 100644 --- a/libc/sysdeps/linux/common/sys/eventfd.h +++ b/libc/sysdeps/linux/common/sys/eventfd.h @@ -31,9 +31,7 @@ __BEGIN_DECLS /* Return file descriptor for generic event channel. Set initial value to COUNT. */ -extern int eventfd (int __count, int __flags) __THROW; - -#if 0 /* not (yet) implemented in uClibc */ +extern int eventfd (unsigned int __count, int __flags) __THROW; /* Read event counter and possibly wait for events. */ extern int eventfd_read (int __fd, eventfd_t *__value); @@ -41,8 +39,6 @@ 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 */ diff --git a/libc/sysdeps/linux/sparc/bits/eventfd.h b/libc/sysdeps/linux/sparc/bits/eventfd.h index bed9f093b..e348cc6fb 100644 --- a/libc/sysdeps/linux/sparc/bits/eventfd.h +++ b/libc/sysdeps/linux/sparc/bits/eventfd.h @@ -22,7 +22,7 @@ /* Flags for eventfd. */ enum { - EFD_SEMAPHORE = 1, + EFD_SEMAPHORE = 0x000001, #define EFD_SEMAPHORE EFD_SEMAPHORE EFD_CLOEXEC = 0x400000, #define EFD_CLOEXEC EFD_CLOEXEC |