4f294c247f
This patch mainly copies and modifies files existing in the current libc implementing minix specific functions. To keep consisten with the NetBSD libc, we remove namespace stubs and we use "namespace.h" and weak links.
80 lines
1.4 KiB
C
80 lines
1.4 KiB
C
#include <sys/cdefs.h>
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#include "namespace.h"
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#include <errno.h>
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#include <stdio.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <net/gen/in.h>
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#include <net/gen/tcp.h>
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#include <net/gen/tcp_io.h>
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#ifdef __weak_alias
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__weak_alias(shutdown, _shutdown)
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#endif
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#define DEBUG 0
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static int _tcp_shutdown(int sock, int how);
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static int _uds_shutdown(int sock, int how);
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int shutdown(int sock, int how)
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{
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int r;
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struct sockaddr_un uds_addr;
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nwio_tcpconf_t tcpconf;
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r= ioctl(sock, NWIOGTCPCONF, &tcpconf);
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if (r != -1 || (errno != ENOTTY && errno != EBADIOCTL))
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{
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if (r == -1)
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{
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/* Bad file descriptor */
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return -1;
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}
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return _tcp_shutdown(sock, how);
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}
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r= ioctl(sock, NWIOGUDSADDR, &uds_addr);
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if (r != -1 || (errno != ENOTTY && errno != EBADIOCTL))
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{
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if (r == -1)
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{
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/* Bad file descriptor */
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return -1;
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}
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return _uds_shutdown(sock, how);
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}
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#if DEBUG
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fprintf(stderr, "shutdown: not implemented for fd %d\n", sock);
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#endif
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errno= ENOSYS;
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return -1;
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}
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static int _tcp_shutdown(int sock, int how)
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{
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int r;
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if (how == SHUT_WR || how == SHUT_RDWR)
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{
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r= ioctl(sock, NWIOTCPSHUTDOWN, NULL);
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if (r == -1)
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return -1;
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if (how == SHUT_WR)
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return 0;
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}
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/* We can't shutdown the read side of the socket. */
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errno= ENOSYS;
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return -1;
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}
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static int _uds_shutdown(int sock, int how)
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{
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return ioctl(sock, NWIOSUDSSHUT, &how);
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}
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