diff options
Diffstat (limited to 'usr/src/lib/libbc/libc/sys/common/send.c')
| -rw-r--r-- | usr/src/lib/libbc/libc/sys/common/send.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/usr/src/lib/libbc/libc/sys/common/send.c b/usr/src/lib/libbc/libc/sys/common/send.c new file mode 100644 index 0000000000..371935f87a --- /dev/null +++ b/usr/src/lib/libbc/libc/sys/common/send.c @@ -0,0 +1,166 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 1990-1997 by Sun Microsystems, Inc. + * All rights reserved. + */ + +#ident "%Z%%M% %I% %E% SMI" + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/errno.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <sys/syslog.h> +#include <sys/strlog.h> +#include <sys/stropts.h> +#include <stdio.h> + +extern int errno; + +#define N_AGAIN 11 + +int +send(s, msg, len, flags) + int s; + char *msg; + int len, flags; +{ + int a; + if ((a = _send(s, msg, len, flags)) == -1) { + if (errno == N_AGAIN) + errno = EWOULDBLOCK; + else + maperror(); + } + return (a); +} + + +/* Added to convert socket "/dev/log" to stream "/dev/conslog" */ +#define logname "/dev/conslog" +#define MAXLINE 1024 +#define SVR4_ENOTSOCK 95 /* Socket operation on non-socket */ + + +int +sendto(s, msg, len, flags, to, tolen) + int s; + char *msg; + int len, flags; + struct sockaddr *to; + int tolen; +{ + int a; + static int LogDev = -1; + /* check for logfile */ + + if ((a = _sendto(s, msg, len, flags, to, tolen)) == -1) { + if (errno == SVR4_ENOTSOCK && + strcmp(to->sa_data, "/dev/log") == 0) { + char *msg_p; + struct log_ctl hdr; + struct strbuf dat; + struct strbuf ctl; + struct stat sbuf; + if (LogDev == -1) { + int tfd; + /* close socket /dev/log */ + close(s); + /* open stream /dev/conslog */ + tfd = open(logname, O_WRONLY); + if (tfd == -1) + return (-1); + /* insure stream has same fd as closed socket */ + if (tfd != s) { + if (dup2(tfd, s) < 0) { + close(tfd); + return (-1); + } + close(tfd); + } + if (fcntl(s, F_SETFD, FD_CLOEXEC) == -1) + return (-1); + if (fstat(s, &sbuf) != -1) + LogDev = sbuf.st_rdev; + + } else if (fstat(s, &sbuf) == -1 || + LogDev != sbuf.st_rdev) + return (-1); + + /* build the header */ + + /* parse <pri> from msg */ + + hdr.mid = 1; /* 0 for kernal */ + /* sid, ltime, ttime, seq_no not used */ + + hdr.pri = strtol(msg + 1, &msg_p, 10); + if (msg + 1 == msg_p) { + hdr.pri = (LOG_USER|LOG_INFO); + } else { + len -= msg_p - msg; + msg = msg_p + 1; + } + hdr.flags = SL_CONSOLE; + hdr.level = 0; + + ctl.maxlen = sizeof (struct log_ctl); + ctl.len = sizeof (struct log_ctl); + ctl.buf = (caddr_t)&hdr; + dat.maxlen = MAXLINE; + dat.len = len; + if (dat.len > MAXLINE) { + dat.len = MAXLINE; + msg[MAXLINE - 1] = '\0'; + } + dat.buf = msg; + + /* output the message to the local logger */ + if (_putmsg(s, &ctl, &dat, 0) == 0) + return (0); + } + if (errno == N_AGAIN) + errno = EWOULDBLOCK; + else + maperror(); + } + return (a); +} + + +int +sendmsg(s, msg, flags) + int s; + struct msghdr *msg; + int flags; +{ + int a; + if ((a = _sendmsg(s, msg, flags)) == -1) { + if (errno == N_AGAIN) + errno = EWOULDBLOCK; + else + maperror(); + } + return (a); +} |