diff options
| -rw-r--r-- | ChangeLog | 13 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/accept.c | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/recv.c | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/kernel-features.h | 24 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list | 19 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/send.c | 2 |
6 files changed, 43 insertions, 19 deletions
diff --git a/ChangeLog b/ChangeLog index 3acc71c932..f8cd164779 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,16 @@ +2015-11-09 Stefan Liebler <stli@linux.vnet.ibm.com> + + * sysdeps/unix/sysv/linux/s390/kernel-features.h: + (__ASSUME_*_SYSCALL) Define new macros. + * sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list: + Remove socketcall syscalls. + * sysdeps/unix/sysv/linux/accept.c (__libc_accept): + Use accept4 if defined __ASSUME_ACCEPT4_FOR_ACCEPT_SYSCALL. + * sysdeps/unix/sysv/linux/recv.c (__libc_recv): + Use recvfrom if defined __ASSUME_RECVFROM_FOR_RECV_SYSCALL. + * sysdeps/unix/sysv/linux/send.c (__libc_send): + Use sendto if defined __ASSUME_SENDTO_FOR_SEND_SYSCALL. + 2015-11-09 Florian Weimer <fweimer@redhat.com> [BZ #12926] diff --git a/sysdeps/unix/sysv/linux/accept.c b/sysdeps/unix/sysv/linux/accept.c index 8b4fff084d..f53613306b 100644 --- a/sysdeps/unix/sysv/linux/accept.c +++ b/sysdeps/unix/sysv/linux/accept.c @@ -29,6 +29,8 @@ __libc_accept (int fd, __SOCKADDR_ARG addr, socklen_t *len) { #ifdef __ASSUME_ACCEPT_SYSCALL return SYSCALL_CANCEL (accept, fd, addr.__sockaddr__, len); +#elif defined __ASSUME_ACCEPT4_FOR_ACCEPT_SYSCALL + return SYSCALL_CANCEL (accept4, fd, addr.__sockaddr__, len, 0); #else return SOCKETCALL_CANCEL (accept, fd, addr.__sockaddr__, len); #endif diff --git a/sysdeps/unix/sysv/linux/recv.c b/sysdeps/unix/sysv/linux/recv.c index 12be89053d..ce701b59c5 100644 --- a/sysdeps/unix/sysv/linux/recv.c +++ b/sysdeps/unix/sysv/linux/recv.c @@ -29,6 +29,8 @@ __libc_recv (int fd, void *buf, size_t len, int flags) { #ifdef __ASSUME_RECV_SYSCALL return SYSCALL_CANCEL (recv, fd, buf, len, flags); +#elif defined __ASSUME_RECVFROM_FOR_RECV_SYSCALL + return SYSCALL_CANCEL (recvfrom, fd, buf, len, flags, NULL, NULL); #else return SOCKETCALL_CANCEL (recv, fd, buf, len, flags); #endif diff --git a/sysdeps/unix/sysv/linux/s390/kernel-features.h b/sysdeps/unix/sysv/linux/s390/kernel-features.h index 96f73ef959..eaa348361b 100644 --- a/sysdeps/unix/sysv/linux/s390/kernel-features.h +++ b/sysdeps/unix/sysv/linux/s390/kernel-features.h @@ -20,4 +20,28 @@ /* S/390 uses socketcall. */ #define __ASSUME_SOCKETCALL 1 +/* Direct socketcalls available with kernel 4.3. */ +#if __LINUX_KERNEL_VERSION >= 0x040300 +# define __ASSUME_RECVMMSG_SYSCALL 1 +# define __ASSUME_SENDMMSG_SYSCALL 1 +# define __ASSUME_SOCKET_SYSCALL 1 +# define __ASSUME_SOCKETPAIR_SYSCALL 1 +# define __ASSUME_BIND_SYSCALL 1 +# define __ASSUME_CONNECT_SYSCALL 1 +# define __ASSUME_LISTEN_SYSCALL 1 +# define __ASSUME_ACCEPT4_SYSCALL 1 +# define __ASSUME_ACCEPT4_FOR_ACCEPT_SYSCALL 1 +# define __ASSUME_GETSOCKOPT_SYSCALL 1 +# define __ASSUME_SETSOCKOPT_SYSCALL 1 +# define __ASSUME_GETSOCKNAME_SYSCALL 1 +# define __ASSUME_GETPEERNAME_SYSCALL 1 +# define __ASSUME_SENDTO_SYSCALL 1 +# define __ASSUME_SENDTO_FOR_SEND_SYSCALL 1 +# define __ASSUME_SENDMSG_SYSCALL 1 +# define __ASSUME_RECVFROM_SYSCALL 1 +# define __ASSUME_RECVFROM_FOR_RECV_SYSCALL 1 +# define __ASSUME_RECVMSG_SYSCALL 1 +# define __ASSUME_SHUTDOWN_SYSCALL 1 +#endif + #include_next <kernel-features.h> diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list b/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list index 5b8c1024ac..9f03d26fea 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list +++ b/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list @@ -12,22 +12,3 @@ shmget - shmget i:iii __shmget shmget semop - semop i:ipi __semop semop semget - semget i:iii __semget semget semctl - semctl i:iiii __semctl semctl - -# proper socket implementations: -accept - accept Ci:iBN __libc_accept __accept accept -bind - bind i:ipi __bind bind -connect - connect Ci:ipi __libc_connect __connect connect -getpeername - getpeername i:ipp __getpeername getpeername -getsockname - getsockname i:ipp __getsockname getsockname -getsockopt - getsockopt i:iiiBN __getsockopt getsockopt -listen - listen i:ii __listen listen -recv - recv Ci:ibni __libc_recv __recv recv -recvfrom - recvfrom Ci:ibniBN __libc_recvfrom __recvfrom recvfrom -recvmsg - recvmsg Ci:ipi __libc_recvmsg __recvmsg recvmsg -send - send Ci:ibni __libc_send __send send -sendmsg - sendmsg Ci:ipi __libc_sendmsg __sendmsg sendmsg -sendto - sendto Ci:ibnibn __libc_sendto __sendto sendto -setsockopt - setsockopt i:iiibn __setsockopt setsockopt -shutdown - shutdown i:ii __shutdown shutdown -socket - socket i:iii __socket socket -socketpair - socketpair i:iiif __socketpair socketpair diff --git a/sysdeps/unix/sysv/linux/send.c b/sysdeps/unix/sysv/linux/send.c index d917e4d900..529c27d155 100644 --- a/sysdeps/unix/sysv/linux/send.c +++ b/sysdeps/unix/sysv/linux/send.c @@ -29,6 +29,8 @@ __libc_send (int fd, const void *buf, size_t len, int flags) { #ifdef __ASSUME_SEND_SYSCALL return SYSCALL_CANCEL (send, fd, buf, len, flags); +#elif defined __ASSUME_SENDTO_FOR_SEND_SYSCALL + return SYSCALL_CANCEL (sendto, fd, buf, len, flags, NULL, 0); #else return SOCKETCALL_CANCEL (send, fd, buf, len, flags); #endif |