git: aad4b799f78a - main - linux(4): Add a writev syscall wrapper
- Go to: [ bottom of page ] [ top of archives ] [ this month ]
Date: Sun, 20 Aug 2023 07:37:46 UTC
The branch main has been updated by dchagin:
URL: https://cgit.FreeBSD.org/src/commit/?id=aad4b799f78a8177732b27badc133d734f9c77d8
commit aad4b799f78a8177732b27badc133d734f9c77d8
Author: Dmitry Chagin <dchagin@FreeBSD.org>
AuthorDate: 2023-08-20 07:36:30 +0000
Commit: Dmitry Chagin <dchagin@FreeBSD.org>
CommitDate: 2023-08-20 07:36:30 +0000
linux(4): Add a writev syscall wrapper
Adding a writev syscall wrapper is needed due to Linux family of write
syscalls doesn't distinguish between in kernel blocking operations
and always returns EAGAIN while FreeBSD can return ENOBUFS.
MFC after: 1 month
---
sys/amd64/linux/syscalls.master | 4 ++--
sys/amd64/linux32/syscalls.master | 3 ++-
sys/arm64/linux/syscalls.master | 4 ++--
sys/i386/linux/syscalls.master | 4 ++--
4 files changed, 8 insertions(+), 7 deletions(-)
diff --git a/sys/amd64/linux/syscalls.master b/sys/amd64/linux/syscalls.master
index 885192963728..88caaa49367b 100644
--- a/sys/amd64/linux/syscalls.master
+++ b/sys/amd64/linux/syscalls.master
@@ -176,8 +176,8 @@
u_int iovcnt
);
}
-20 AUE_WRITEV NOPROTO {
- int writev(
+20 AUE_WRITEV STD {
+ int linux_writev(
int fd,
struct iovec *iovp,
u_int iovcnt
diff --git a/sys/amd64/linux32/syscalls.master b/sys/amd64/linux32/syscalls.master
index aa3e420053f4..5ebbe3f6e55d 100644
--- a/sys/amd64/linux32/syscalls.master
+++ b/sys/amd64/linux32/syscalls.master
@@ -33,6 +33,7 @@
#include <sys/sysent.h>
#include <sys/sysproto.h>
#include <compat/linux/linux_sysproto.h>
+#include <compat/freebsd32/freebsd32_util.h>
#include <amd64/linux32/linux.h>
#include <amd64/linux32/linux32_proto.h>
@@ -775,7 +776,7 @@
146 AUE_WRITEV STD {
int linux_writev(
l_ulong fd,
- struct l_iovec32 *iovp,
+ struct iovec32 *iovp,
l_ulong iovcnt
);
}
diff --git a/sys/arm64/linux/syscalls.master b/sys/arm64/linux/syscalls.master
index 90c6fcfc4642..daaeeef1acc2 100644
--- a/sys/arm64/linux/syscalls.master
+++ b/sys/arm64/linux/syscalls.master
@@ -406,8 +406,8 @@
u_int iovcnt
);
}
-66 AUE_WRITEV NOPROTO {
- int writev(
+66 AUE_WRITEV STD {
+ int linux_writev(
int fd,
struct iovec *iovp,
u_int iovcnt
diff --git a/sys/i386/linux/syscalls.master b/sys/i386/linux/syscalls.master
index 81473ef776aa..6144deeb31ab 100644
--- a/sys/i386/linux/syscalls.master
+++ b/sys/i386/linux/syscalls.master
@@ -790,8 +790,8 @@
u_int iovcnt
);
}
-146 AUE_WRITEV NOPROTO {
- int writev(
+146 AUE_WRITEV STD {
+ int linux_writev(
int fd,
struct iovec *iovp,
u_int iovcnt