* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
-#define __FORCE_GLIBC
-#include <features.h>
-#include <errno.h>
-#include <syscall.h>
+#include <stddef.h>
+#include <sys/syscall.h>
#include <sys/socket.h>
+#include <cancel.h>
#ifdef __NR_socketcall
-extern int __socketcall(int call, unsigned long *args) attribute_hidden;
-
/* Various socketcall numbers */
#define SYS_SOCKET 1
#define SYS_BIND 2
#define SYS_GETSOCKOPT 15
#define SYS_SENDMSG 16
#define SYS_RECVMSG 17
-#endif
-
-#ifdef __UCLIBC_HAS_THREADS_NATIVE__
-#include <sysdep-cancel.h>
-#include <pthreadP.h>
-#else
-#define SINGLE_THREAD_P 1
+#define SYS_ACCEPT4 18
+#endif
+
+/* exposed on x86 since Linux commit 9dea5dc921b5f4045a18c63eb92e84dc274d17eb */
+#if defined(__sparc__) || defined(__i386__)
+#undef __NR_accept
+#undef __NR_accept4
+#undef __NR_bind
+#undef __NR_connect
+#undef __NR_getpeername
+#undef __NR_getsockname
+#undef __NR_getsockopt
+#undef __NR_listen
+#undef __NR_recv
+#undef __NR_recvfrom
+#undef __NR_recvmsg
+#undef __NR_send
+#undef __NR_sendmsg
+#undef __NR_sendto
+#undef __NR_setsockopt
+#undef __NR_shutdown
+#undef __NR_socket
+#undef __NR_socketpair
#endif
#ifdef L_accept
-extern __typeof(accept) __libc_accept;
-#ifdef __NR_accept
-#define __NR___libc_accept __NR_accept
-_syscall3(int, __libc_accept, int, call, struct sockaddr *, addr, socklen_t *,addrlen)
-#elif defined(__NR_socketcall)
-int __libc_accept(int s, struct sockaddr *addr, socklen_t * addrlen)
+static int __NC(accept)(int sockfd, struct sockaddr *addr, socklen_t *addrlen)
{
+# ifdef __NR_accept
+ return INLINE_SYSCALL(accept, 3, sockfd, addr, addrlen);
+# else
unsigned long args[3];
- args[0] = s;
+ args[0] = sockfd;
args[1] = (unsigned long) addr;
args[2] = (unsigned long) addrlen;
- if (SINGLE_THREAD_P)
- return __socketcall(SYS_ACCEPT, args);
+ return __socketcall(SYS_ACCEPT, args);
+# endif
+}
+CANCELLABLE_SYSCALL(int, accept, (int sockfd, struct sockaddr *addr, socklen_t *addrlen),
+ (sockfd, addr, addrlen))
+lt_libc_hidden(accept)
+#endif
+#ifdef L_accept4
+#ifdef __NR_accept4
+# define __NR___sys_accept4 __NR_accept4
+static _syscall4(int, __sys_accept4, int, fd, struct sockaddr *, addr, socklen_t *, addrlen, int, flags)
+int accept4(int fd, struct sockaddr *addr, socklen_t * addrlen, int flags)
+{
+ if (SINGLE_THREAD_P)
+ return __sys_accept4(fd, addr, addrlen, flags);
#ifdef __UCLIBC_HAS_THREADS_NATIVE__
- int oldtype = LIBC_CANCEL_ASYNC ();
- int result = __socketcall(SYS_ACCEPT, args);
- LIBC_CANCEL_RESET (oldtype);
- return result;
+ else {
+ int oldtype = LIBC_CANCEL_ASYNC ();
+ int result = __sys_accept4(fd, addr, addrlen, flags);
+ LIBC_CANCEL_RESET (oldtype);
+ return result;
+ }
#endif
+}
+#elif defined(__NR_socketcall)
+int accept4(int fd, struct sockaddr *addr, socklen_t *addrlen, int flags)
+{
+ unsigned long args[4];
+ args[0] = fd;
+ args[1] = (unsigned long) addr;
+ args[2] = (unsigned long) addrlen;
+ args[3] = flags;
+ if (SINGLE_THREAD_P)
+ return __socketcall(SYS_ACCEPT4, args);
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ else {
+ int oldtype = LIBC_CANCEL_ASYNC ();
+ int result = __socketcall(SYS_ACCEPT4, args);
+ LIBC_CANCEL_RESET (oldtype);
+ return result;
+ }
+#endif
}
#endif
-weak_alias(__libc_accept,accept)
-libc_hidden_weak(accept)
#endif
#ifdef L_bind
-#ifdef __NR_bind
-_syscall3(int, bind, int, sockfd, const struct sockaddr *, myaddr, socklen_t, addrlen)
-#elif defined(__NR_socketcall)
int bind(int sockfd, const struct sockaddr *myaddr, socklen_t addrlen)
{
+# ifdef __NR_bind
+ return INLINE_SYSCALL(bind, 3, sockfd, myaddr, addrlen);
+# else
unsigned long args[3];
args[0] = sockfd;
args[1] = (unsigned long) myaddr;
args[2] = addrlen;
return __socketcall(SYS_BIND, args);
+# endif
}
-#endif
libc_hidden_def(bind)
#endif
#ifdef L_connect
-extern __typeof(connect) __libc_connect;
-#ifdef __NR_connect
-#define __NR___libc_connect __NR_connect
-_syscall3(int, __libc_connect, int, sockfd, const struct sockaddr *, saddr, socklen_t, addrlen)
-#elif defined(__NR_socketcall)
-int __libc_connect(int sockfd, const struct sockaddr *saddr, socklen_t addrlen)
+static int __NC(connect)(int sockfd, const struct sockaddr *saddr, socklen_t addrlen)
{
+# ifdef __NR_connect
+ return INLINE_SYSCALL(connect, 3, sockfd, saddr, addrlen);
+# else
unsigned long args[3];
args[0] = sockfd;
args[1] = (unsigned long) saddr;
args[2] = addrlen;
-
- if (SINGLE_THREAD_P)
- return __socketcall(SYS_CONNECT, args);
-
-#ifdef __UCLIBC_HAS_THREADS_NATIVE__
- int oldtype = LIBC_CANCEL_ASYNC ();
- int result = __socketcall(SYS_CONNECT, args);
- LIBC_CANCEL_RESET (oldtype);
- return result;
-#endif
+ return __socketcall(SYS_CONNECT, args);
+# endif
}
-#endif
-weak_alias(__libc_connect,connect)
-libc_hidden_weak(connect)
+CANCELLABLE_SYSCALL(int, connect, (int sockfd, const struct sockaddr *saddr, socklen_t addrlen),
+ (sockfd, saddr, addrlen))
+lt_libc_hidden(connect)
#endif
#ifdef L_getpeername
-#ifdef __NR_getpeername
-_syscall3(int, getpeername, int, sockfd, struct sockaddr *, addr, socklen_t *,paddrlen)
-#elif defined(__NR_socketcall)
-int getpeername(int sockfd, struct sockaddr *addr, socklen_t * paddrlen)
+int getpeername(int sockfd, struct sockaddr *addr, socklen_t *paddrlen)
{
+# ifdef __NR_getpeername
+ return INLINE_SYSCALL(getpeername, 3, sockfd, addr, paddrlen);
+# else
unsigned long args[3];
args[0] = sockfd;
args[1] = (unsigned long) addr;
args[2] = (unsigned long) paddrlen;
return __socketcall(SYS_GETPEERNAME, args);
+# endif
}
#endif
-#endif
#ifdef L_getsockname
-#ifdef __NR_getsockname
-_syscall3(int, getsockname, int, sockfd, struct sockaddr *, addr, socklen_t *,paddrlen)
-#elif defined(__NR_socketcall)
int getsockname(int sockfd, struct sockaddr *addr, socklen_t * paddrlen)
{
+# ifdef __NR_getsockname
+ return INLINE_SYSCALL(getsockname, 3, sockfd, addr, paddrlen);
+# else
unsigned long args[3];
args[0] = sockfd;
args[1] = (unsigned long) addr;
args[2] = (unsigned long) paddrlen;
return __socketcall(SYS_GETSOCKNAME, args);
+# endif
}
-#endif
libc_hidden_def(getsockname)
#endif
#ifdef L_getsockopt
-#ifdef __NR_getsockopt
-_syscall5(int, getsockopt, int, fd, int, level, int, optname, __ptr_t, optval, socklen_t *, optlen)
-#elif defined(__NR_socketcall)
-int getsockopt(int fd, int level, int optname, __ptr_t optval,
- socklen_t * optlen)
+int getsockopt(int fd, int level, int optname, void *optval,
+ socklen_t *optlen)
{
+# ifdef __NR_getsockopt
+ return INLINE_SYSCALL(getsockopt, 5, fd, level, optname, optval, optlen);
+# else
unsigned long args[5];
args[0] = fd;
args[3] = (unsigned long) optval;
args[4] = (unsigned long) optlen;
return (__socketcall(SYS_GETSOCKOPT, args));
+# endif
}
#endif
-#endif
#ifdef L_listen
-#ifdef __NR_listen
-_syscall2(int, listen, int, sockfd, int, backlog)
-#elif defined(__NR_socketcall)
int listen(int sockfd, int backlog)
{
+# ifdef __NR_listen
+ return INLINE_SYSCALL(listen, 2, sockfd, backlog);
+# else
unsigned long args[2];
args[0] = sockfd;
args[1] = backlog;
return __socketcall(SYS_LISTEN, args);
+# endif
}
-#endif
libc_hidden_def(listen)
#endif
#ifdef L_recv
-extern __typeof(recv) __libc_recv;
-#ifdef __NR_recv
-#define __NR___libc_recv __NR_recv
-_syscall4(ssize_t, __libc_recv, int, sockfd, __ptr_t, buffer, size_t, len,
- int, flags)
-#elif defined(__NR_socketcall)
-/* recv, recvfrom added by bir7@leland.stanford.edu */
-ssize_t __libc_recv(int sockfd, __ptr_t buffer, size_t len, int flags)
+static ssize_t __NC(recv)(int sockfd, void *buffer, size_t len, int flags)
{
+# ifdef __NR_recv
+ return (ssize_t)INLINE_SYSCALL(recv, 4, sockfd, buffer, len, flags);
+# elif defined __NR_recvfrom && defined _syscall6
+ return __NC(recvfrom)(sockfd, buffer, len, flags, NULL, NULL);
+# else
unsigned long args[4];
args[0] = sockfd;
args[1] = (unsigned long) buffer;
args[2] = len;
args[3] = flags;
-
- if (SINGLE_THREAD_P)
- return (__socketcall(SYS_RECV, args));
-
-#ifdef __UCLIBC_HAS_THREADS_NATIVE__
- int oldtype = LIBC_CANCEL_ASYNC ();
- int result = __socketcall(SYS_RECV, args);
- LIBC_CANCEL_RESET (oldtype);
- return result;
-#endif
-}
-#elif defined(__NR_recvfrom)
-ssize_t __libc_recv(int sockfd, __ptr_t buffer, size_t len, int flags)
-{
- return (recvfrom(sockfd, buffer, len, flags, NULL, NULL));
+ return (ssize_t)__socketcall(SYS_RECV, args);
+# endif
}
-#endif
-weak_alias(__libc_recv,recv)
-libc_hidden_weak(recv)
+CANCELLABLE_SYSCALL(ssize_t, recv, (int sockfd, void *buffer, size_t len, int flags),
+ (sockfd, buffer, len, flags))
+lt_libc_hidden(recv)
#endif
#ifdef L_recvfrom
-extern __typeof(recvfrom) __libc_recvfrom;
-#ifdef __NR_recvfrom
-#define __NR___libc_recvfrom __NR_recvfrom
-_syscall6(ssize_t, __libc_recvfrom, int, sockfd, __ptr_t, buffer, size_t, len,
- int, flags, struct sockaddr *, to, socklen_t *, tolen)
-#elif defined(__NR_socketcall)
-/* recv, recvfrom added by bir7@leland.stanford.edu */
-ssize_t __libc_recvfrom(int sockfd, __ptr_t buffer, size_t len, int flags,
- struct sockaddr *to, socklen_t * tolen)
+ssize_t __NC(recvfrom)(int sockfd, void *buffer, size_t len, int flags,
+ struct sockaddr *to, socklen_t *tolen)
{
+# if defined __NR_recvfrom && defined _syscall6
+ return (ssize_t)INLINE_SYSCALL(recvfrom, 6, sockfd, buffer, len,
+ flags, to, tolen);
+# else
unsigned long args[6];
args[0] = sockfd;
args[3] = flags;
args[4] = (unsigned long) to;
args[5] = (unsigned long) tolen;
-
- if (SINGLE_THREAD_P)
- return (__socketcall(SYS_RECVFROM, args));
-
-#ifdef __UCLIBC_HAS_THREADS_NATIVE__
- int oldtype = LIBC_CANCEL_ASYNC ();
- int result = __socketcall(SYS_RECVFROM, args);
- LIBC_CANCEL_RESET (oldtype);
- return result;
-#endif
+ return (ssize_t)__socketcall(SYS_RECVFROM, args);
+# endif
}
-#endif
-weak_alias(__libc_recvfrom,recvfrom)
-libc_hidden_weak(recvfrom)
+CANCELLABLE_SYSCALL(ssize_t, recvfrom, (int sockfd, void *buffer, size_t len,
+ int flags, struct sockaddr *to, socklen_t *tolen),
+ (sockfd, buffer, len, flags, to, tolen))
+lt_libc_hidden(recvfrom)
#endif
#ifdef L_recvmsg
-extern __typeof(recvmsg) __libc_recvmsg;
-#ifdef __NR_recvmsg
-#define __NR___libc_recvmsg __NR_recvmsg
-_syscall3(ssize_t, __libc_recvmsg, int, sockfd, struct msghdr *, msg, int, flags)
-#elif defined(__NR_socketcall)
-ssize_t __libc_recvmsg(int sockfd, struct msghdr *msg, int flags)
+static ssize_t __NC(recvmsg)(int sockfd, struct msghdr *msg, int flags)
{
+# ifdef __NR_recvmsg
+ return (ssize_t)INLINE_SYSCALL(recvmsg, 3, sockfd, msg, flags);
+# else
unsigned long args[3];
args[0] = sockfd;
args[1] = (unsigned long) msg;
args[2] = flags;
-
- if (SINGLE_THREAD_P)
- return (__socketcall(SYS_RECVMSG, args));
-
-#ifdef __UCLIBC_HAS_THREADS_NATIVE__
- int oldtype = LIBC_CANCEL_ASYNC ();
- int result = __socketcall(SYS_RECVMSG, args);
- LIBC_CANCEL_RESET (oldtype);
- return result;
-#endif
+ return (ssize_t)__socketcall(SYS_RECVMSG, args);
+# endif
}
-#endif
-weak_alias(__libc_recvmsg,recvmsg)
-libc_hidden_weak(recvmsg)
+CANCELLABLE_SYSCALL(ssize_t, recvmsg, (int sockfd, struct msghdr *msg, int flags),
+ (sockfd, msg, flags))
+lt_libc_hidden(recvmsg)
#endif
#ifdef L_send
-extern __typeof(send) __libc_send;
-#ifdef __NR_send
-#define __NR___libc_send __NR_send
-_syscall4(ssize_t, __libc_send, int, sockfd, const void *, buffer, size_t, len, int, flags)
-#elif defined(__NR_socketcall)
-/* send, sendto added by bir7@leland.stanford.edu */
-ssize_t __libc_send(int sockfd, const void *buffer, size_t len, int flags)
+static ssize_t __NC(send)(int sockfd, const void *buffer, size_t len, int flags)
{
+# ifdef __NR_send
+ return (ssize_t)INLINE_SYSCALL(send, 4, sockfd, buffer, len, flags);
+# elif defined __NR_sendto && defined _syscall6
+ return __NC(sendto)(sockfd, buffer, len, flags, NULL, 0);
+# else
unsigned long args[4];
args[0] = sockfd;
args[1] = (unsigned long) buffer;
args[2] = len;
args[3] = flags;
-
- if (SINGLE_THREAD_P)
- return (__socketcall(SYS_SEND, args));
-
-#ifdef __UCLIBC_HAS_THREADS_NATIVE__
- int oldtype = LIBC_CANCEL_ASYNC ();
- int result = __socketcall(SYS_SEND, args);
- LIBC_CANCEL_RESET (oldtype);
- return result;
-#endif
-}
-#elif defined(__NR_sendto)
-ssize_t __libc_send(int sockfd, const void *buffer, size_t len, int flags)
-{
- return (sendto(sockfd, buffer, len, flags, NULL, 0));
+ return (ssize_t)__socketcall(SYS_SEND, args);
+# endif
}
-#endif
-weak_alias(__libc_send,send)
-libc_hidden_weak(send)
+CANCELLABLE_SYSCALL(ssize_t, send, (int sockfd, const void *buffer, size_t len, int flags),
+ (sockfd, buffer, len, flags))
+lt_libc_hidden(send)
#endif
#ifdef L_sendmsg
-extern __typeof(sendmsg) __libc_sendmsg;
-#ifdef __NR_sendmsg
-#define __NR___libc_sendmsg __NR_sendmsg
-_syscall3(ssize_t, __libc_sendmsg, int, sockfd, const struct msghdr *, msg, int, flags)
-#elif defined(__NR_socketcall)
-ssize_t __libc_sendmsg(int sockfd, const struct msghdr *msg, int flags)
+static ssize_t __NC(sendmsg)(int sockfd, const struct msghdr *msg, int flags)
{
+# ifdef __NR_sendmsg
+ return (ssize_t)INLINE_SYSCALL(sendmsg, 3, sockfd, msg, flags);
+# else
unsigned long args[3];
args[0] = sockfd;
args[1] = (unsigned long) msg;
args[2] = flags;
-
- if (SINGLE_THREAD_P)
- return (__socketcall(SYS_SENDMSG, args));
-
-#ifdef __UCLIBC_HAS_THREADS_NATIVE__
- int oldtype = LIBC_CANCEL_ASYNC ();
- int result = __socketcall(SYS_SENDMSG, args);
- LIBC_CANCEL_RESET (oldtype);
- return result;
-#endif
+ return (ssize_t)__socketcall(SYS_SENDMSG, args);
+# endif
}
-#endif
-weak_alias(__libc_sendmsg,sendmsg)
-libc_hidden_weak(sendmsg)
+CANCELLABLE_SYSCALL(ssize_t, sendmsg, (int sockfd, const struct msghdr *msg, int flags),
+ (sockfd, msg, flags))
+lt_libc_hidden(sendmsg)
#endif
#ifdef L_sendto
-extern __typeof(sendto) __libc_sendto;
-#ifdef __NR_sendto
-#define __NR___libc_sendto __NR_sendto
-_syscall6(ssize_t, __libc_sendto, int, sockfd, const void *, buffer,
- size_t, len, int, flags, const struct sockaddr *, to, socklen_t, tolen)
-#elif defined(__NR_socketcall)
-/* send, sendto added by bir7@leland.stanford.edu */
-ssize_t __libc_sendto(int sockfd, const void *buffer, size_t len, int flags,
- const struct sockaddr *to, socklen_t tolen)
+ssize_t __NC(sendto)(int sockfd, const void *buffer, size_t len, int flags,
+ const struct sockaddr *to, socklen_t tolen)
{
+# if defined __NR_sendto && defined _syscall6
+ return (ssize_t)INLINE_SYSCALL(sendto, 6, sockfd, buffer, len, flags, to, tolen);
+# else
unsigned long args[6];
args[0] = sockfd;
args[3] = flags;
args[4] = (unsigned long) to;
args[5] = tolen;
-
- if (SINGLE_THREAD_P)
- return (__socketcall(SYS_SENDTO, args));
-
-#ifdef __UCLIBC_HAS_THREADS_NATIVE__
- int oldtype = LIBC_CANCEL_ASYNC ();
- int result = __socketcall(SYS_SENDTO, args);
- LIBC_CANCEL_RESET (oldtype);
- return result;
-#endif
+ return (ssize_t)__socketcall(SYS_SENDTO, args);
+# endif
}
-#endif
-weak_alias(__libc_sendto,sendto)
-libc_hidden_weak(sendto)
+CANCELLABLE_SYSCALL(ssize_t, sendto, (int sockfd, const void *buffer, size_t len,
+ int flags, const struct sockaddr *to, socklen_t tolen),
+ (sockfd, buffer, len, flags, to, tolen))
+lt_libc_hidden(sendto)
#endif
#ifdef L_setsockopt
-#ifdef __NR_setsockopt
-_syscall5(int, setsockopt, int, fd, int, level, int, optname, const void *, optval, socklen_t, optlen)
-#elif defined(__NR_socketcall)
-/* [sg]etsockoptions by bir7@leland.stanford.edu */
-int setsockopt(int fd, int level, int optname, const void *optval,
- socklen_t optlen)
+int setsockopt(int fd, int level, int optname, const void *optval, socklen_t optlen)
{
+# ifdef __NR_setsockopt
+ return INLINE_SYSCALL(setsockopt, 5, fd, level, optname, optval, optlen);
+# else
unsigned long args[5];
args[0] = fd;
args[2] = optname;
args[3] = (unsigned long) optval;
args[4] = optlen;
- return (__socketcall(SYS_SETSOCKOPT, args));
+ return __socketcall(SYS_SETSOCKOPT, args);
+# endif
}
-#endif
libc_hidden_def(setsockopt)
#endif
#ifdef L_shutdown
-#ifdef __NR_shutdown
-_syscall2(int, shutdown, int, sockfd, int, how)
-#elif defined(__NR_socketcall)
-/* shutdown by bir7@leland.stanford.edu */
int shutdown(int sockfd, int how)
{
+# ifdef __NR_shutdown
+ return INLINE_SYSCALL(shutdown, 2, sockfd, how);
+# else
unsigned long args[2];
args[0] = sockfd;
args[1] = how;
- return (__socketcall(SYS_SHUTDOWN, args));
+ return __socketcall(SYS_SHUTDOWN, args);
+# endif
}
#endif
-#endif
#ifdef L_socket
-#ifdef __NR_socket
-_syscall3(int, socket, int, family, int, type, int, protocol)
-#elif defined(__NR_socketcall)
int socket(int family, int type, int protocol)
{
+# ifdef __NR_socket
+ return INLINE_SYSCALL(socket, 3, family, type, protocol);
+# else
unsigned long args[3];
args[0] = family;
args[1] = type;
args[2] = (unsigned long) protocol;
return __socketcall(SYS_SOCKET, args);
+# endif
}
-#endif
libc_hidden_def(socket)
#endif
#ifdef L_socketpair
-#ifdef __NR_socketpair
-_syscall4(int, socketpair, int, family, int, type, int, protocol, int *, sockvec)
-#elif defined(__NR_socketcall)
int socketpair(int family, int type, int protocol, int sockvec[2])
{
+# ifdef __NR_socketpair
+ return INLINE_SYSCALL(socketpair, 4, family, type, protocol, sockvec);
+# else
unsigned long args[4];
args[0] = family;
args[2] = protocol;
args[3] = (unsigned long) sockvec;
return __socketcall(SYS_SOCKETPAIR, args);
+# endif
}
#endif
-#endif
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