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tools-uclibc: add missing eventfd patch to armv7a

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This commit is contained in:
Anthony G. Basile 2013-10-24 22:40:13 -04:00
parent f029332730
commit bd29ceab91
2 changed files with 118 additions and 0 deletions
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59
tools-uclibc/portage.armv7a.hardened/patches/sys-libs/uclibc/00_fix-eventfd.patch Normal file
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@ -0,0 +1,59 @@
From e118373cbb58ba5ffa5fb6670957678d5b87cdb9 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sun, 10 Jun 2012 16:36:23 +0000
Subject: eventfd: Implement eventfd2 and fix eventfd
eventfd: evntfd assumes to take two arguments instead it
should be one evntfd expects two therefore implement both syscalls with
correct parameters
Thanks Eugene Rudoy for reporting it and also providing the patch
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
diff --git a/libc/sysdeps/linux/common/eventfd.c b/libc/sysdeps/linux/common/eventfd.c
index cc3f3f0..96597ab 100644
--- a/libc/sysdeps/linux/common/eventfd.c
+++ b/libc/sysdeps/linux/common/eventfd.c
@@ -7,12 +7,24 @@
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
+#include <errno.h>
#include <sys/syscall.h>
#include <sys/eventfd.h>
/*
* eventfd()
*/
-#ifdef __NR_eventfd
-_syscall2(int, eventfd, int, count, int, flags)
+#if defined __NR_eventfd || defined __NR_eventfd2
+int eventfd (int count, int flags)
+{
+#if defined __NR_eventfd2
+ return INLINE_SYSCALL (eventfd2, 2, count, flags);
+#elif defined __NR_eventfd
+ if (flags != 0) {
+ __set_errno (EINVAL);
+ return -1;
+ }
+ return INLINE_SYSCALL (eventfd, 1, count);
+#endif
+}
#endif
diff --git a/libc/sysdeps/linux/common/stubs.c b/libc/sysdeps/linux/common/stubs.c
index 3567b07..1fc2393 100644
--- a/libc/sysdeps/linux/common/stubs.c
+++ b/libc/sysdeps/linux/common/stubs.c
@@ -110,7 +110,7 @@ make_stub(epoll_pwait)
make_stub(epoll_wait)
#endif
-#if !defined __NR_eventfd && defined __UCLIBC_LINUX_SPECIFIC__
+#if !defined __NR_eventfd && !defined __NR_eventfd2 && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(eventfd)
#endif
--
cgit v0.9.1

59
tools-uclibc/portage.armv7a.vanilla/patches/sys-libs/uclibc/00_fix-eventfd.patch Normal file
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@ -0,0 +1,59 @@
From e118373cbb58ba5ffa5fb6670957678d5b87cdb9 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sun, 10 Jun 2012 16:36:23 +0000
Subject: eventfd: Implement eventfd2 and fix eventfd
eventfd: evntfd assumes to take two arguments instead it
should be one evntfd expects two therefore implement both syscalls with
correct parameters
Thanks Eugene Rudoy for reporting it and also providing the patch
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
diff --git a/libc/sysdeps/linux/common/eventfd.c b/libc/sysdeps/linux/common/eventfd.c
index cc3f3f0..96597ab 100644
--- a/libc/sysdeps/linux/common/eventfd.c
+++ b/libc/sysdeps/linux/common/eventfd.c
@@ -7,12 +7,24 @@
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
+#include <errno.h>
#include <sys/syscall.h>
#include <sys/eventfd.h>
/*
* eventfd()
*/
-#ifdef __NR_eventfd
-_syscall2(int, eventfd, int, count, int, flags)
+#if defined __NR_eventfd || defined __NR_eventfd2
+int eventfd (int count, int flags)
+{
+#if defined __NR_eventfd2
+ return INLINE_SYSCALL (eventfd2, 2, count, flags);
+#elif defined __NR_eventfd
+ if (flags != 0) {
+ __set_errno (EINVAL);
+ return -1;
+ }
+ return INLINE_SYSCALL (eventfd, 1, count);
+#endif
+}
#endif
diff --git a/libc/sysdeps/linux/common/stubs.c b/libc/sysdeps/linux/common/stubs.c
index 3567b07..1fc2393 100644
--- a/libc/sysdeps/linux/common/stubs.c
+++ b/libc/sysdeps/linux/common/stubs.c
@@ -110,7 +110,7 @@ make_stub(epoll_pwait)
make_stub(epoll_wait)
#endif
-#if !defined __NR_eventfd && defined __UCLIBC_LINUX_SPECIFIC__
+#if !defined __NR_eventfd && !defined __NR_eventfd2 && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(eventfd)
#endif
--
cgit v0.9.1