2014-02-20 Joseph Myers <joseph@codesourcery.com>
+ [BZ #16611]
+ * sysdeps/unix/sysv/linux/kernel-features.h
+ [__LINUX_KERNEL_VERSION >= 0x030000 && __ASSUME_SOCKETCALL]
+ (__ASSUME_SENDMMSG_SOCKETCALL): Define.
+ [__LINUX_KERNEL_VERSION >= 0x030000 && (__i386__ || __x86_64__ ||
+ __powerpc__ || __sh__ || __sparc__)] (__ASSUME_SENDMMSG_SYSCALL):
+ Likewise.
+ [__i386__ || __powerpc__ || __sh__ || __sparc__]
+ (__ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL): Likewise.
+ [__ASSUME_SENDMMSG_SOCKETCALL || __ASSUME_SENDMMSG_SYSCALL]
+ (__ASSUME_SENDMMSG): Define instead of using previous
+ [__LINUX_KERNEL_VERSION >= 0x020627] condition.
+ * sysdeps/unix/sysv/linux/aarch64/kernel-features.h
+ (__ASSUME_SENDMMSG_SYSCALL): Define.
+ * sysdeps/unix/sysv/linux/alpha/kernel-features.h
+ [__LINUX_KERNEL_VERSION >= 0x030200] (__ASSUME_SENDMMSG_SYSCALL):
+ Likewise.
+ * sysdeps/unix/sysv/linux/arm/kernel-features.h
+ [__LINUX_KERNEL_VERSION >= 0x030000] (__ASSUME_SENDMMSG_SYSCALL):
+ Likewise.
+ * sysdeps/unix/sysv/linux/ia64/kernel-features.h
+ [__LINUX_KERNEL_VERSION >= 0x030000] (__ASSUME_SENDMMSG_SYSCALL):
+ Likewise.
+ * sysdeps/unix/sysv/linux/internal_sendmmsg.S [__ASSUME_SOCKETCALL
+ && !__ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL &&
+ !__ASSUME_SENDMMSG_SYSCALL] (__NR_sendmmsg): Undefine.
+ [__ASSUME_SENDMMSG]: Change conditionals to
+ [__ASSUME_SENDMMSG_SOCKETCALL].
+ * sysdeps/unix/sysv/linux/microblaze/kernel-features.h
+ [__LINUX_KERNEL_VERSION >= 0x030300] (__ASSUME_SENDMMSG_SYSCALL):
+ Define.
+ * sysdeps/unix/sysv/linux/mips/kernel-features.h
+ [__LINUX_KERNEL_VERSION >= 0x030100] (__ASSUME_SENDMMSG_SYSCALL):
+ Likewise.
+ * sysdeps/unix/sysv/linux/sendmmsg.c [__ASSUME_SOCKETCALL &&
+ !__ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL &&
+ !__ASSUME_SENDMMSG_SYSCALL] (__NR_sendmmsg): Undefine.
+ [!__ASSUME_SENDMMSG]: Change conditional to
+ [!__ASSUME_SENDMMSG_SOCKETCALL].
+ * sysdeps/unix/sysv/linux/tile/kernel-features.h
+ [__LINUX_KERNEL_VERSION >= 0x030000] (__ASSUME_SENDMMSG_SYSCALL):
+ Define.
+
[BZ #16610]
* sysdeps/unix/sysv/linux/kernel-features.h
[__LINUX_KERNEL_VERSION >= 0x020621 && __ASSUME_SOCKETCALL]
* The following bugs are resolved with this release:
- 15894, 16447, 16545, 16574, 16609, 16610.
+ 15894, 16447, 16545, 16574, 16609, 16610, 16611.
* The am33 port, which had not worked for several years, has been removed
from ports.
2014-02-20 Joseph Myers <joseph@codesourcery.com>
+ [BZ #16611]
+ * sysdeps/unix/sysv/linux/hppa/kernel-features.h
+ [__LINUX_KERNEL_VERSION >= 0x030100] (__ASSUME_SENDMMSG_SYSCALL):
+ Define.
+
[BZ #16610]
* sysdeps/unix/sysv/linux/hppa/kernel-features.h
[__LINUX_KERNEL_VERSION >= 0x020622] (__ASSUME_RECVMMSG_SYSCALL):
# define __ASSUME_RECVMMSG_SYSCALL 1
#endif
+/* Support for the sendmmsg syscall was added in 3.1. */
+#if __LINUX_KERNEL_VERSION >= 0x030100
+# define __ASSUME_SENDMMSG_SYSCALL 1
+#endif
+
#include_next <kernel-features.h>
#define __ASSUME_O_CLOEXEC 1
#define __ASSUME_PIPE2 1
#define __ASSUME_RECVMMSG_SYSCALL 1
+#define __ASSUME_SENDMMSG_SYSCALL 1
#define __ASSUME_SIGNALFD4 1
#define __ASSUME_SOCK_CLOEXEC 1
#define __ASSUME_UTIMES 1
# define __ASSUME_RECVMMSG_SYSCALL 1
#endif
-/* Support for accept4 was added for alpha in 3.2. */
+/* Support for accept4 and sendmmsg was added for alpha in 3.2. */
#if __LINUX_KERNEL_VERSION >= 0x030200
# define __ASSUME_ACCEPT4_SYSCALL 1
+# define __ASSUME_SENDMMSG_SYSCALL 1
#endif
#include_next <kernel-features.h>
# define __ASSUME_ACCEPT4_SYSCALL 1
#endif
+/* Support for the sendmmsg syscall was added in 3.0. */
+#if __LINUX_KERNEL_VERSION >= 0x030000
+# define __ASSUME_SENDMMSG_SYSCALL 1
+#endif
+
#include_next <kernel-features.h>
/* Support for pselect6, ppoll and epoll_pwait was added in 2.6.32. */
# define __ASSUME_RECVMMSG_SYSCALL 1
#endif
+/* Support for the sendmmsg syscall was added in 3.0. */
+#if __LINUX_KERNEL_VERSION >= 0x030000
+# define __ASSUME_SENDMMSG_SYSCALL 1
+#endif
+
/* Support for the accept4 syscall was added in 3.3. */
#if __LINUX_KERNEL_VERSION >= 0x030300
# define __ASSUME_ACCEPT4_SYSCALL 1
#include <kernel-features.h>
#include <sys/syscall.h>
+
+/* Do not use the sendmmsg syscall on socketcall architectures unless
+ it was added at the same time as the socketcall support or can be
+ assumed to be present. */
+#if defined __ASSUME_SOCKETCALL \
+ && !defined __ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL \
+ && !defined __ASSUME_SENDMMSG_SYSCALL
+# undef __NR_sendmmsg
+#endif
+
#if !defined __NR_sendmmsg && defined __NR_socketcall
# define socket sendmmsg
-# ifndef __ASSUME_SENDMMSG
+# ifndef __ASSUME_SENDMMSG_SOCKETCALL
# define __socket __internal_sendmmsg
# define NO_WEAK_ALIAS
# endif
# define NARGS 4
# define NEED_CANCELLATION
# include <socket.S>
-# ifdef __ASSUME_SENDMMSG
+# ifdef __ASSUME_SENDMMSG_SOCKETCALL
libc_hidden_def (__sendmmsg)
# endif
#endif
# define __ASSUME_PRLIMIT64 1
#endif
-/* sendmmsg is available in 2.6.39. */
-#if __LINUX_KERNEL_VERSION >= 0x020627
+/* Support for sendmmsg functionality was added in 3.0. The macros
+ defined correspond to those for accept4 and recvmmsg. */
+#if __LINUX_KERNEL_VERSION >= 0x030000 && defined __ASSUME_SOCKETCALL
+# define __ASSUME_SENDMMSG_SOCKETCALL 1
+#endif
+
+/* The sendmmsg syscall was added for i386, x86_64, PowerPC, SH and
+ SPARC in 3.0. */
+#if __LINUX_KERNEL_VERSION >= 0x030000 \
+ && (defined __i386__ || defined __x86_64__ || defined __powerpc__ \
+ || defined __sh__ || defined __sparc__)
+# define __ASSUME_SENDMMSG_SYSCALL 1
+#endif
+#if defined __i386__ || defined __powerpc__ || defined __sh__ \
+ || defined __sparc__
+# define __ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL 1
+#endif
+
+#if defined __ASSUME_SENDMMSG_SOCKETCALL || defined __ASSUME_SENDMMSG_SYSCALL
# define __ASSUME_SENDMMSG 1
#endif
#endif
#define __ASSUME_RECVMMSG_SYSCALL_WITH_SOCKETCALL 1
+/* Support for the sendmmsg syscall was added in 3.3. */
+#if __LINUX_KERNEL_VERSION >= 0x030300
+# define __ASSUME_SENDMMSG_SYSCALL 1
+#endif
+
#include_next <kernel-features.h>
# define __ASSUME_RECVMMSG_SYSCALL 1
#endif
+/* Support for the sendmmsg syscall was added in 3.1. */
+#if __LINUX_KERNEL_VERSION >= 0x030100
+# define __ASSUME_SENDMMSG_SYSCALL 1
+#endif
+
#include_next <kernel-features.h>
/* The n32 syscall ABI did not have a getdents64 syscall until
#include <sys/syscall.h>
#include <kernel-features.h>
+/* Do not use the sendmmsg syscall on socketcall architectures unless
+ it was added at the same time as the socketcall support or can be
+ assumed to be present. */
+#if defined __ASSUME_SOCKETCALL \
+ && !defined __ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL \
+ && !defined __ASSUME_SENDMMSG_SYSCALL
+# undef __NR_sendmmsg
+#endif
#ifdef __NR_sendmmsg
int
libc_hidden_def (__sendmmsg)
weak_alias (__sendmmsg, sendmmsg)
#elif defined __NR_socketcall
-# ifndef __ASSUME_SENDMMSG
+# ifndef __ASSUME_SENDMMSG_SOCKETCALL
extern int __internal_sendmmsg (int fd, struct mmsghdr *vmessages,
unsigned int vlen, int flags)
attribute_hidden;
libc_hidden_def (__sendmmsg)
weak_alias (__sendmmsg, sendmmsg)
# else
-/* When __ASSUME_SENDMMSG sendmmsg is defined in internal_sendmmsg.S. */
+/* When __ASSUME_SENDMMSG_SOCKETCALL sendmmsg is defined in
+ internal_sendmmsg.S. */
# endif
#else
# include <socket/sendmmsg.c>
#define __ASSUME_DUP3 1
#define __ASSUME_RECVMMSG_SYSCALL 1
+/* Support for the sendmmsg syscall was added in 3.0. */
+#if __LINUX_KERNEL_VERSION >= 0x030000
+# define __ASSUME_SENDMMSG_SYSCALL 1
+#endif
+
#include_next <kernel-features.h>
/* Define this if your 32-bit syscall API requires 64-bit register