17c478bd9Sstevel@tonic-gate #include "port_before.h"
27c478bd9Sstevel@tonic-gate 
37c478bd9Sstevel@tonic-gate #include <sys/types.h>
47c478bd9Sstevel@tonic-gate #include <sys/uio.h>
57c478bd9Sstevel@tonic-gate #include <sys/stat.h>
67c478bd9Sstevel@tonic-gate #include <sys/socket.h>
77c478bd9Sstevel@tonic-gate 
87c478bd9Sstevel@tonic-gate #include "port_after.h"
97c478bd9Sstevel@tonic-gate 
107c478bd9Sstevel@tonic-gate #ifndef NEED_WRITEV
117c478bd9Sstevel@tonic-gate int __bindcompat_writev;
127c478bd9Sstevel@tonic-gate #else
137c478bd9Sstevel@tonic-gate 
147c478bd9Sstevel@tonic-gate #ifdef _CRAY
157c478bd9Sstevel@tonic-gate #define OWN_WRITEV
167c478bd9Sstevel@tonic-gate int
__writev(int fd,struct iovec * iov,int iovlen)177c478bd9Sstevel@tonic-gate __writev(int fd, struct iovec *iov, int iovlen)
187c478bd9Sstevel@tonic-gate {
197c478bd9Sstevel@tonic-gate 	struct stat statbuf;
207c478bd9Sstevel@tonic-gate 
217c478bd9Sstevel@tonic-gate 	if (fstat(fd, &statbuf) < 0)
227c478bd9Sstevel@tonic-gate 		return (-1);
237c478bd9Sstevel@tonic-gate 
247c478bd9Sstevel@tonic-gate 	/*
257c478bd9Sstevel@tonic-gate 	 * Allow for atomic writes to network.
267c478bd9Sstevel@tonic-gate 	 */
27*9525b14bSRao Shoaib 	if (statbuf.st_mode & S_IFSOCK) {
287c478bd9Sstevel@tonic-gate 		struct msghdr   mesg;
297c478bd9Sstevel@tonic-gate 
307c478bd9Sstevel@tonic-gate 		memset(&mesg, 0, sizeof(mesg));
317c478bd9Sstevel@tonic-gate 		mesg.msg_name = 0;
327c478bd9Sstevel@tonic-gate 		mesg.msg_namelen = 0;
337c478bd9Sstevel@tonic-gate 		mesg.msg_iov = iov;
347c478bd9Sstevel@tonic-gate 		mesg.msg_iovlen = iovlen;
357c478bd9Sstevel@tonic-gate 		mesg.msg_accrights = 0;
367c478bd9Sstevel@tonic-gate 		mesg.msg_accrightslen = 0;
377c478bd9Sstevel@tonic-gate 		return (sendmsg(fd, &mesg, 0));
387c478bd9Sstevel@tonic-gate 	} else {
397c478bd9Sstevel@tonic-gate 		struct iovec *tv;
407c478bd9Sstevel@tonic-gate 		int i, rcode = 0, count = 0;
417c478bd9Sstevel@tonic-gate 
427c478bd9Sstevel@tonic-gate 		for (i = 0, tv = iov; i <= iovlen; tv++) {
437c478bd9Sstevel@tonic-gate 			rcode = write(fd, tv->iov_base, tv->iov_len);
447c478bd9Sstevel@tonic-gate 
457c478bd9Sstevel@tonic-gate 			if (rcode < 0)
467c478bd9Sstevel@tonic-gate 				break;
477c478bd9Sstevel@tonic-gate 
487c478bd9Sstevel@tonic-gate 			count += rcode;
497c478bd9Sstevel@tonic-gate 		}
507c478bd9Sstevel@tonic-gate 
517c478bd9Sstevel@tonic-gate 		if (count == 0)
527c478bd9Sstevel@tonic-gate 			return (rcode);
537c478bd9Sstevel@tonic-gate 		else
547c478bd9Sstevel@tonic-gate 			return (count);
557c478bd9Sstevel@tonic-gate 	}
567c478bd9Sstevel@tonic-gate }
577c478bd9Sstevel@tonic-gate 
587c478bd9Sstevel@tonic-gate #else /*_CRAY*/
597c478bd9Sstevel@tonic-gate 
607c478bd9Sstevel@tonic-gate int
__writev(fd,vp,vpcount)617c478bd9Sstevel@tonic-gate __writev(fd, vp, vpcount)
627c478bd9Sstevel@tonic-gate 	int fd;
637c478bd9Sstevel@tonic-gate 	const struct iovec *vp;
647c478bd9Sstevel@tonic-gate 	int vpcount;
657c478bd9Sstevel@tonic-gate {
667c478bd9Sstevel@tonic-gate 	int count = 0;
677c478bd9Sstevel@tonic-gate 
687c478bd9Sstevel@tonic-gate 	while (vpcount-- > 0) {
697c478bd9Sstevel@tonic-gate 		int written = write(fd, vp->iov_base, vp->iov_len);
707c478bd9Sstevel@tonic-gate 
717c478bd9Sstevel@tonic-gate 		if (written < 0)
727c478bd9Sstevel@tonic-gate 			return (-1);
737c478bd9Sstevel@tonic-gate 		count += written;
747c478bd9Sstevel@tonic-gate 		if (written != vp->iov_len)
757c478bd9Sstevel@tonic-gate 			break;
767c478bd9Sstevel@tonic-gate 		vp++;
777c478bd9Sstevel@tonic-gate 	}
787c478bd9Sstevel@tonic-gate 	return (count);
797c478bd9Sstevel@tonic-gate }
807c478bd9Sstevel@tonic-gate 
817c478bd9Sstevel@tonic-gate #endif /*_CRAY*/
827c478bd9Sstevel@tonic-gate 
837c478bd9Sstevel@tonic-gate #endif /*NEED_WRITEV*/
84*9525b14bSRao Shoaib 
85*9525b14bSRao Shoaib /*! \file */
86