diff options
Diffstat (limited to 'pr/src/io/prsocket.c')
-rw-r--r-- | pr/src/io/prsocket.c | 1519 |
1 files changed, 1519 insertions, 0 deletions
diff --git a/pr/src/io/prsocket.c b/pr/src/io/prsocket.c new file mode 100644 index 00000000..53746ecd --- /dev/null +++ b/pr/src/io/prsocket.c @@ -0,0 +1,1519 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* + * The contents of this file are subject to the Netscape Public License + * Version 1.0 (the "NPL"); you may not use this file except in + * compliance with the NPL. You may obtain a copy of the NPL at + * http://www.mozilla.org/NPL/ + * + * Software distributed under the NPL is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL + * for the specific language governing rights and limitations under the + * NPL. + * + * The Initial Developer of this code under the NPL is Netscape + * Communications Corporation. Portions created by Netscape are + * Copyright (C) 1998 Netscape Communications Corporation. All Rights + * Reserved. + */ + +#include "primpl.h" + +#ifdef XP_UNIX +#include <fcntl.h> +#endif +#include <string.h> + +#if defined(SVR4) || defined(SUNOS4) +/* To pick up FIONREAD */ +#include <sys/filio.h> +#endif + +/************************************************************************/ + +static PRInt32 PR_CALLBACK SocketWritev(PRFileDesc *fd, PRIOVec *iov, PRInt32 iov_size, +PRIntervalTime timeout) +{ + PRThread *me = _PR_MD_CURRENT_THREAD(); + int w = 0; + PRIOVec *tmp_iov = NULL; + int tmp_out; + int index, iov_cnt; + int count=0, sz = 0; /* 'count' is the return value. */ +#if defined(XP_UNIX) + struct timeval tv, *tvp; + fd_set wd; + + FD_ZERO(&wd); + if (timeout == PR_INTERVAL_NO_TIMEOUT) + tvp = NULL; + else if (timeout != PR_INTERVAL_NO_WAIT) { + tv.tv_sec = PR_IntervalToSeconds(timeout); + tv.tv_usec = PR_IntervalToMicroseconds( + timeout - PR_SecondsToInterval(tv.tv_sec)); + tvp = &tv; + } +#endif + + if (_PR_PENDING_INTERRUPT(me)) { + me->flags &= ~_PR_INTERRUPT; + PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0); + return -1; + } + if (_PR_IO_PENDING(me)) { + PR_SetError(PR_IO_PENDING_ERROR, 0); + return -1; + } + + tmp_iov = (PRIOVec *)PR_CALLOC(iov_size * sizeof(PRIOVec)); + if (!tmp_iov) { + PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0); + return -1; + } + + for (index=0; index<iov_size; index++) { + sz += iov[index].iov_len; + tmp_iov[index].iov_base = iov[index].iov_base; + tmp_iov[index].iov_len = iov[index].iov_len; + } + iov_cnt = iov_size; + + while (sz > 0) { + + w = _PR_MD_WRITEV(fd, tmp_iov, iov_cnt, timeout); + if (w < 0) { + count = -1; + break; + } + count += w; + if (fd->secret->nonblocking) { + break; + } + sz -= w; + + if (sz > 0) { + /* find the next unwritten vector */ + for ( index = 0, tmp_out = count; + tmp_out >= iov[index].iov_len; + tmp_out -= iov[index].iov_len, index++){;} /* nothing to execute */ + + + /* fill in the first partial read */ + tmp_iov[0].iov_base = &(((char *)iov[index].iov_base)[tmp_out]); + tmp_iov[0].iov_len = iov[index].iov_len - tmp_out; + index++; + + /* copy the remaining vectors */ + for (iov_cnt=1; index<iov_size; iov_cnt++, index++) { + tmp_iov[iov_cnt].iov_base = iov[index].iov_base; + tmp_iov[iov_cnt].iov_len = iov[index].iov_len; + } + } + } + + if (tmp_iov) + PR_DELETE(tmp_iov); + return count; +} + +/************************************************************************/ + +PR_IMPLEMENT(PRFileDesc *) PR_ImportTCPSocket(PRInt32 osfd) +{ +PRFileDesc *fd; + + fd = PR_AllocFileDesc(osfd, PR_GetTCPMethods()); + if (fd != NULL) + _PR_MD_MAKE_NONBLOCK(fd); + else + _PR_MD_CLOSE_SOCKET(osfd); + return(fd); +} + +PR_IMPLEMENT(PRFileDesc *) PR_ImportUDPSocket(PRInt32 osfd) +{ +PRFileDesc *fd; + + fd = PR_AllocFileDesc(osfd, PR_GetUDPMethods()); + if (fd != NULL) + _PR_MD_MAKE_NONBLOCK(fd); + else + _PR_MD_CLOSE_SOCKET(osfd); + return(fd); +} + +static PRStatus PR_CALLBACK SocketConnect( + PRFileDesc *fd, const PRNetAddr *addr, PRIntervalTime timeout) +{ + PRInt32 rv; /* Return value of _PR_MD_CONNECT */ + PRThread *me = _PR_MD_CURRENT_THREAD(); + + if (_PR_PENDING_INTERRUPT(me)) { + me->flags &= ~_PR_INTERRUPT; + PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0); + return PR_FAILURE; + } + + rv = _PR_MD_CONNECT(fd, addr, PR_NETADDR_SIZE(addr), timeout); + PR_LOG(_pr_io_lm, PR_LOG_MAX, ("connect -> %d", rv)); + if (rv == 0) + return PR_SUCCESS; + else + return PR_FAILURE; +} + +PR_IMPLEMENT(PRStatus) PR_GetConnectStatus(const PRPollDesc *pd) +{ + PRInt32 osfd; + PRFileDesc *bottom = pd->fd; + int err, len; + + if (pd->out_flags & PR_POLL_NVAL) { + PR_SetError(PR_BAD_DESCRIPTOR_ERROR, 0); + return PR_FAILURE; + } + if ((pd->out_flags & (PR_POLL_WRITE | PR_POLL_EXCEPT | PR_POLL_ERR)) == 0) { + PR_ASSERT(pd->out_flags == 0); + PR_SetError(PR_IN_PROGRESS_ERROR, 0); + return PR_FAILURE; + } + + while (bottom->lower != NULL) { + bottom = bottom->lower; + } + osfd = bottom->secret->md.osfd; + +#if defined(XP_UNIX) + + err = _MD_unix_get_nonblocking_connect_error(osfd); + if (err != 0) { + _PR_MD_MAP_CONNECT_ERROR(err); + return PR_FAILURE; + } + return PR_SUCCESS; + +#elif defined(WIN32) || defined(WIN16) + + if (pd->out_flags & PR_POLL_EXCEPT) { +#if defined(WIN32) +/* Note: There is a bug in Win32 WinSock. The sleep circumvents the +** bug. See wtc. /s lth. +*/ + Sleep(0); +#endif /* WIN32 */ + len = sizeof(err); + if (getsockopt(osfd, (int)SOL_SOCKET, SO_ERROR, (char *) &err, &len) + == SOCKET_ERROR) { + _PR_MD_MAP_GETSOCKOPT_ERROR(WSAGetLastError()); + return PR_FAILURE; + } + if (err != 0) { + _PR_MD_MAP_CONNECT_ERROR(err); + } else { + PR_SetError(PR_UNKNOWN_ERROR, 0); + } + return PR_FAILURE; + } + + PR_ASSERT(pd->out_flags & PR_POLL_WRITE); + return PR_SUCCESS; + +#elif defined(XP_OS2) + + if (pd->out_flags & PR_POLL_EXCEPT) { + len = sizeof(err); + if (getsockopt(osfd, SOL_SOCKET, SO_ERROR, (char *) &err, &len) + < 0) { + _PR_MD_MAP_GETSOCKOPT_ERROR(sock_errno()); + return PR_FAILURE; + } + if (err != 0) { + _PR_MD_MAP_CONNECT_ERROR(err); + } else { + PR_SetError(PR_UNKNOWN_ERROR, 0); + } + return PR_FAILURE; + } + + PR_ASSERT(pd->out_flags & PR_POLL_WRITE); + return PR_SUCCESS; + +#elif defined(XP_MAC) + + err = _MD_mac_get_nonblocking_connect_error(osfd); + if (err == -1) + return PR_FAILURE; + else + return PR_SUCCESS; + +#else + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); + return PR_FAILURE; +#endif +} + +static PRFileDesc* PR_CALLBACK SocketAccept(PRFileDesc *fd, PRNetAddr *addr, +PRIntervalTime timeout) +{ + PRInt32 osfd; + PRFileDesc *fd2; + PRUint32 al; + PRThread *me = _PR_MD_CURRENT_THREAD(); +#ifdef WINNT + PRNetAddr addrCopy; +#endif + + if (_PR_PENDING_INTERRUPT(me)) { + me->flags &= ~_PR_INTERRUPT; + PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0); + return 0; + } + if (_PR_IO_PENDING(me)) { + PR_SetError(PR_IO_PENDING_ERROR, 0); + return 0; + } + +#ifdef WINNT + if (addr == NULL) { + addr = &addrCopy; + } +#endif + al = sizeof(PRNetAddr); + osfd = _PR_MD_ACCEPT(fd, addr, &al, timeout); + if (osfd == -1) + return 0; + + fd2 = PR_AllocFileDesc(osfd, PR_GetTCPMethods()); + if (!fd2) { + _PR_MD_CLOSE_SOCKET(osfd); + return NULL; + } + + fd2->secret->nonblocking = fd->secret->nonblocking; +#ifdef WINNT + fd2->secret->md.io_model_committed = PR_TRUE; + PR_ASSERT(al == PR_NETADDR_SIZE(addr)); + fd2->secret->md.accepted_socket = PR_TRUE; + memcpy(&fd2->secret->md.peer_addr, addr, al); +#endif + + /* + * On some platforms, the new socket created by accept() + * inherits the nonblocking (or overlapped io) attribute + * of the listening socket. As an optimization, these + * platforms can skip the following _PR_MD_MAKE_NONBLOCK + * call. + */ +#if !defined(SOLARIS) && !defined(IRIX) && !defined(WINNT) + _PR_MD_MAKE_NONBLOCK(fd2); +#endif + + PR_ASSERT((NULL == addr) || (PR_NETADDR_SIZE(addr) == al)); +#if defined(_PR_INET6) + PR_ASSERT((NULL == addr) || (addr->raw.family == AF_INET) + || (addr->raw.family == AF_INET6)); +#else + PR_ASSERT((NULL == addr) || (addr->raw.family == AF_INET)); +#endif + + return fd2; +} + +#ifdef WINNT +PR_IMPLEMENT(PRFileDesc*) PR_NTFast_Accept(PRFileDesc *fd, PRNetAddr *addr, +PRIntervalTime timeout) +{ + PRInt32 osfd; + PRFileDesc *fd2; + PRIntn al; + PRThread *me = _PR_MD_CURRENT_THREAD(); + PRNetAddr addrCopy; + + if (_PR_PENDING_INTERRUPT(me)) { + me->flags &= ~_PR_INTERRUPT; + PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0); + return 0; + } + if (_PR_IO_PENDING(me)) { + PR_SetError(PR_IO_PENDING_ERROR, 0); + return 0; + } + + if (addr == NULL) { + addr = &addrCopy; + } + al = PR_NETADDR_SIZE(addr); + osfd = _PR_MD_FAST_ACCEPT(fd, addr, &al, timeout, PR_TRUE, NULL, NULL); + if (osfd == -1) { + return 0; + } + + fd2 = PR_AllocFileDesc(osfd, PR_GetTCPMethods()); + if (!fd2) { + _PR_MD_CLOSE_SOCKET(osfd); + } else { + fd2->secret->nonblocking = fd->secret->nonblocking; + fd2->secret->md.io_model_committed = PR_TRUE; + PR_ASSERT(al == PR_NETADDR_SIZE(addr)); + fd2->secret->md.accepted_socket = PR_TRUE; + memcpy(&fd2->secret->md.peer_addr, addr, al); + } + return fd2; +} +#endif /* WINNT */ + + +static PRStatus PR_CALLBACK SocketBind(PRFileDesc *fd, const PRNetAddr *addr) +{ + PRInt32 result; + int one = 1; + +#if defined(_PR_INET6) + PR_ASSERT(addr->raw.family == AF_INET || addr->raw.family == AF_INET6); +#else + PR_ASSERT(addr->raw.family == AF_INET); +#endif + +#ifdef HAVE_SOCKET_REUSEADDR + if ( setsockopt (fd->secret->md.osfd, (int)SOL_SOCKET, SO_REUSEADDR, + (const void *)&one, sizeof(one) ) < 0) { + return PR_FAILURE; + } +#endif + + result = _PR_MD_BIND(fd, addr, PR_NETADDR_SIZE(addr)); + if (result < 0) { + return PR_FAILURE; + } + return PR_SUCCESS; +} + +static PRStatus PR_CALLBACK SocketListen(PRFileDesc *fd, PRIntn backlog) +{ + PRInt32 result; + + result = _PR_MD_LISTEN(fd, backlog); + if (result < 0) { + return PR_FAILURE; + } + return PR_SUCCESS; +} + +static PRStatus PR_CALLBACK SocketShutdown(PRFileDesc *fd, PRIntn how) +{ + PRInt32 result; + + result = _PR_MD_SHUTDOWN(fd, how); + if (result < 0) { + return PR_FAILURE; + } + return PR_SUCCESS; +} + +static PRInt32 PR_CALLBACK SocketRecv(PRFileDesc *fd, void *buf, PRInt32 amount, PRIntn flags, +PRIntervalTime timeout) +{ + PRInt32 rv; + PRThread *me = _PR_MD_CURRENT_THREAD(); + + if (_PR_PENDING_INTERRUPT(me)) { + me->flags &= ~_PR_INTERRUPT; + PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0); + return -1; + } + if (_PR_IO_PENDING(me)) { + PR_SetError(PR_IO_PENDING_ERROR, 0); + return -1; + } + + PR_LOG(_pr_io_lm, PR_LOG_MAX, ("recv: fd=%p osfd=%d buf=%p amount=%d", + fd, fd->secret->md.osfd, buf, amount)); + rv = _PR_MD_RECV(fd, buf, amount, flags, timeout); + PR_LOG(_pr_io_lm, PR_LOG_MAX, ("recv -> %d, error = %d, os error = %d", + rv, PR_GetError(), PR_GetOSError())); + return rv; +} + +static PRInt32 PR_CALLBACK SocketRead(PRFileDesc *fd, void *buf, PRInt32 amount) +{ + return SocketRecv(fd, buf, amount, 0, PR_INTERVAL_NO_TIMEOUT); +} + +static PRInt32 PR_CALLBACK SocketSend(PRFileDesc *fd, const void *buf, PRInt32 amount, +PRIntn flags, PRIntervalTime timeout) +{ + PRInt32 temp, count; + PRThread *me = _PR_MD_CURRENT_THREAD(); + + if (_PR_PENDING_INTERRUPT(me)) { + me->flags &= ~_PR_INTERRUPT; + PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0); + return -1; + } + if (_PR_IO_PENDING(me)) { + PR_SetError(PR_IO_PENDING_ERROR, 0); + return -1; + } + + count = 0; + while (amount > 0) { + PR_LOG(_pr_io_lm, PR_LOG_MAX, + ("send: fd=%p osfd=%d buf=%p amount=%d", + fd, fd->secret->md.osfd, buf, amount)); + temp = _PR_MD_SEND(fd, buf, amount, flags, timeout); + if (temp < 0) { + count = -1; + break; + } + + count += temp; + if (fd->secret->nonblocking) { + break; + } + buf = (const void*) ((const char*)buf + temp); + + amount -= temp; + } + PR_LOG(_pr_io_lm, PR_LOG_MAX, ("send -> %d", count)); + return count; +} + +static PRInt32 PR_CALLBACK SocketWrite(PRFileDesc *fd, const void *buf, PRInt32 amount) +{ + return SocketSend(fd, buf, amount, 0, PR_INTERVAL_NO_TIMEOUT); +} + +static PRStatus PR_CALLBACK SocketClose(PRFileDesc *fd) +{ + PRInt32 rv; + + if (!fd || fd->secret->state != _PR_FILEDESC_OPEN) { + PR_SetError(PR_BAD_DESCRIPTOR_ERROR, 0); + return PR_FAILURE; + } + + fd->secret->state = _PR_FILEDESC_CLOSED; + + rv = _PR_MD_CLOSE_SOCKET(fd->secret->md.osfd); + PR_FreeFileDesc(fd); + if (rv < 0) { + return PR_FAILURE; + } + return PR_SUCCESS; +} + +static PRInt32 PR_CALLBACK SocketAvailable(PRFileDesc *fd) +{ + PRInt32 rv; + rv = _PR_MD_SOCKETAVAILABLE(fd); + return rv; +} + +static PRInt64 PR_CALLBACK SocketAvailable64(PRFileDesc *fd) +{ + PRInt64 rv; + LL_I2L(rv, _PR_MD_SOCKETAVAILABLE(fd)); + return rv; +} + +static PRStatus PR_CALLBACK SocketSync(PRFileDesc *fd) +{ +#if defined(XP_MAC) +#pragma unused (fd) +#endif + + return PR_SUCCESS; +} + +static PRInt32 PR_CALLBACK SocketSendTo( + PRFileDesc *fd, const void *buf, PRInt32 amount, + PRIntn flags, const PRNetAddr *addr, PRIntervalTime timeout) +{ + PRInt32 temp, count; + PRThread *me = _PR_MD_CURRENT_THREAD(); + + if (_PR_PENDING_INTERRUPT(me)) { + me->flags &= ~_PR_INTERRUPT; + PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0); + return -1; + } + if (_PR_IO_PENDING(me)) { + PR_SetError(PR_IO_PENDING_ERROR, 0); + return -1; + } + +#if defined(_PR_INET6) + PR_ASSERT(addr->raw.family == AF_INET || addr->raw.family == AF_INET6); +#else + PR_ASSERT(addr->raw.family == AF_INET); +#endif + + count = 0; + while (amount > 0) { + temp = _PR_MD_SENDTO(fd, buf, amount, flags, + addr, PR_NETADDR_SIZE(addr), timeout); + if (temp < 0) { + count = -1; + break; + } + count += temp; + if (fd->secret->nonblocking) { + break; + } + buf = (const void*) ((const char*)buf + temp); + amount -= temp; + } + return count; +} + +static PRInt32 PR_CALLBACK SocketRecvFrom(PRFileDesc *fd, void *buf, PRInt32 amount, +PRIntn flags, PRNetAddr *addr, PRIntervalTime timeout) +{ + PRInt32 rv; + PRUint32 al; + PRThread *me = _PR_MD_CURRENT_THREAD(); + + if (_PR_PENDING_INTERRUPT(me)) { + me->flags &= ~_PR_INTERRUPT; + PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0); + return -1; + } + if (_PR_IO_PENDING(me)) { + PR_SetError(PR_IO_PENDING_ERROR, 0); + return -1; + } + + al = sizeof(PRNetAddr); + rv = _PR_MD_RECVFROM(fd, buf, amount, flags, addr, &al, timeout); + return rv; +} + +static PRInt32 PR_CALLBACK SocketAcceptRead(PRFileDesc *sd, PRFileDesc **nd, +PRNetAddr **raddr, void *buf, PRInt32 amount, +PRIntervalTime timeout) +{ + PRInt32 rv; + PRThread *me = _PR_MD_CURRENT_THREAD(); + + if (_PR_PENDING_INTERRUPT(me)) { + me->flags &= ~_PR_INTERRUPT; + PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0); + return -1; + } + if (_PR_IO_PENDING(me)) { + PR_SetError(PR_IO_PENDING_ERROR, 0); + return -1; + } + *nd = NULL; + +#if defined(WINNT) + { + PRInt32 newSock; + PRNetAddr *raddrCopy; + + if (raddr == NULL) { + raddr = &raddrCopy; + } + rv = _PR_MD_ACCEPT_READ(sd, &newSock, raddr, buf, amount, timeout); + if (rv < 0) { + rv = -1; + } else { + /* Successfully accepted and read; create the new PRFileDesc */ + *nd = PR_AllocFileDesc(newSock, PR_GetTCPMethods()); + if (*nd == 0) { + _PR_MD_CLOSE_SOCKET(newSock); + /* PR_AllocFileDesc() has invoked PR_SetError(). */ + rv = -1; + } else { + (*nd)->secret->md.io_model_committed = PR_TRUE; + (*nd)->secret->md.accepted_socket = PR_TRUE; + memcpy(&(*nd)->secret->md.peer_addr, *raddr, + PR_NETADDR_SIZE(*raddr)); + } + } + } +#else + rv = _PR_EmulateAcceptRead(sd, nd, raddr, buf, amount, timeout); +#endif + return rv; +} + +#ifdef WINNT +PR_IMPLEMENT(PRInt32) PR_NTFast_AcceptRead(PRFileDesc *sd, PRFileDesc **nd, +PRNetAddr **raddr, void *buf, PRInt32 amount, +PRIntervalTime timeout) +{ + PRInt32 rv; + PRInt32 newSock; + PRThread *me = _PR_MD_CURRENT_THREAD(); + PRNetAddr *raddrCopy; + + if (_PR_PENDING_INTERRUPT(me)) { + me->flags &= ~_PR_INTERRUPT; + PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0); + return -1; + } + if (_PR_IO_PENDING(me)) { + PR_SetError(PR_IO_PENDING_ERROR, 0); + return -1; + } + *nd = NULL; + + if (raddr == NULL) { + raddr = &raddrCopy; + } + rv = _PR_MD_FAST_ACCEPT_READ(sd, &newSock, raddr, buf, amount, + timeout, PR_TRUE, NULL, NULL); + if (rv < 0) { + rv = -1; + } else { + /* Successfully accepted and read; create the new PRFileDesc */ + *nd = PR_AllocFileDesc(newSock, PR_GetTCPMethods()); + if (*nd == 0) { + _PR_MD_CLOSE_SOCKET(newSock); + /* PR_AllocFileDesc() has invoked PR_SetError(). */ + rv = -1; + } else { + (*nd)->secret->md.io_model_committed = PR_TRUE; + (*nd)->secret->md.accepted_socket = PR_TRUE; + memcpy(&(*nd)->secret->md.peer_addr, *raddr, + PR_NETADDR_SIZE(*raddr)); + } + } + return rv; +} + +PR_IMPLEMENT(PRInt32) PR_NTFast_AcceptRead_WithTimeoutCallback( +PRFileDesc *sd, PRFileDesc **nd, +PRNetAddr **raddr, void *buf, PRInt32 amount, +PRIntervalTime timeout, +_PR_AcceptTimeoutCallback callback, +void *callbackArg) +{ + PRInt32 rv; + PRInt32 newSock; + PRThread *me = _PR_MD_CURRENT_THREAD(); + PRNetAddr *raddrCopy; + + if (_PR_PENDING_INTERRUPT(me)) { + me->flags &= ~_PR_INTERRUPT; + PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0); + return -1; + } + if (_PR_IO_PENDING(me)) { + PR_SetError(PR_IO_PENDING_ERROR, 0); + return -1; + } + *nd = NULL; + + if (raddr == NULL) { + raddr = &raddrCopy; + } + rv = _PR_MD_FAST_ACCEPT_READ(sd, &newSock, raddr, buf, amount, + timeout, PR_TRUE, callback, callbackArg); + if (rv < 0) { + rv = -1; + } else { + /* Successfully accepted and read; create the new PRFileDesc */ + *nd = PR_AllocFileDesc(newSock, PR_GetTCPMethods()); + if (*nd == 0) { + _PR_MD_CLOSE_SOCKET(newSock); + /* PR_AllocFileDesc() has invoked PR_SetError(). */ + rv = -1; + } else { + (*nd)->secret->md.io_model_committed = PR_TRUE; + (*nd)->secret->md.accepted_socket = PR_TRUE; + memcpy(&(*nd)->secret->md.peer_addr, *raddr, + PR_NETADDR_SIZE(*raddr)); + } + } + return rv; +} +#endif /* WINNT */ + +#ifdef WINNT +PR_IMPLEMENT(void) +PR_NTFast_UpdateAcceptContext(PRFileDesc *socket, PRFileDesc *acceptSocket) +{ + _PR_MD_UPDATE_ACCEPT_CONTEXT( + socket->secret->md.osfd, acceptSocket->secret->md.osfd); +} +#endif /* WINNT */ + +static PRInt32 PR_CALLBACK SocketTransmitFile(PRFileDesc *sd, PRFileDesc *fd, +const void *headers, PRInt32 hlen, PRTransmitFileFlags flags, +PRIntervalTime timeout) +{ + PRInt32 rv; + PRThread *me = _PR_MD_CURRENT_THREAD(); + + if (_PR_PENDING_INTERRUPT(me)) { + me->flags &= ~_PR_INTERRUPT; + PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0); + return -1; + } + if (_PR_IO_PENDING(me)) { + PR_SetError(PR_IO_PENDING_ERROR, 0); + return -1; + } +#if defined(WINNT) + rv = _PR_MD_TRANSMITFILE( + sd, fd, + headers, hlen, flags, timeout); + if (rv < 0) { + rv = -1; + } + if (flags & PR_TRANSMITFILE_CLOSE_SOCKET) { + /* + * This should be kept the same as SocketClose, except + * that _PR_MD_CLOSE_SOCKET(sd->secret->md.osfd) should + * not be called because the socket will be recycled. + */ + sd->secret->state = _PR_FILEDESC_CLOSED; + PR_FreeFileDesc(sd); + } +#else +#if defined(XP_UNIX) + /* + * On HPUX11, we could call _PR_HPUXTransmitFile(), but that + * would require that we not override the malloc() functions. + */ + rv = _PR_UnixTransmitFile(sd, fd, headers, hlen, flags, timeout); +#else /* XP_UNIX */ + rv = _PR_EmulateTransmitFile(sd, fd, headers, hlen, flags, + timeout); +#endif /* XP_UNIX */ +#endif /* WINNT */ + + return rv; +} + +static PRStatus PR_CALLBACK SocketGetName(PRFileDesc *fd, PRNetAddr *addr) +{ + PRInt32 result; + PRUint32 addrlen; + + addrlen = sizeof(PRNetAddr); + result = _PR_MD_GETSOCKNAME(fd, addr, &addrlen); + if (result < 0) { + return PR_FAILURE; + } + PR_ASSERT(addrlen == PR_NETADDR_SIZE(addr)); +#if defined(_PR_INET6) + PR_ASSERT(addr->raw.family == AF_INET || addr->raw.family == AF_INET6); +#else + PR_ASSERT(addr->raw.family == AF_INET); +#endif + return PR_SUCCESS; +} + +static PRStatus PR_CALLBACK SocketGetPeerName(PRFileDesc *fd, PRNetAddr *addr) +{ + PRInt32 result; + PRUint32 addrlen; + + addrlen = sizeof(PRNetAddr); + result = _PR_MD_GETPEERNAME(fd, addr, &addrlen); + if (result < 0) { + return PR_FAILURE; + } + PR_ASSERT(addrlen == PR_NETADDR_SIZE(addr)); +#if defined(_PR_INET6) + PR_ASSERT(addr->raw.family == AF_INET || addr->raw.family == AF_INET6); +#else + PR_ASSERT(addr->raw.family == AF_INET); +#endif + return PR_SUCCESS; +} + +static PRStatus PR_CALLBACK SocketGetSockOpt( + PRFileDesc *fd, PRSockOption optname, void* optval, PRInt32* optlen) +{ + PRInt32 level, name; + PRStatus rv; + + /* + * PR_SockOpt_Nonblocking is a special case that does not + * translate to a getsockopt() call + */ + if (PR_SockOpt_Nonblocking == optname) + { + PR_ASSERT(sizeof(PRIntn) <= *optlen); + *((PRIntn *) optval) = (PRIntn) fd->secret->nonblocking; + *optlen = sizeof(PRIntn); + return PR_SUCCESS; + } + + rv = _PR_MapOptionName(optname, &level, &name); + if (PR_SUCCESS == rv) + { + if (PR_SockOpt_Linger == optname) + { + struct linger linger; + PRInt32 len = sizeof(linger); + rv = _PR_MD_GETSOCKOPT( + fd, level, name, (char *) &linger, &len); + if (PR_SUCCESS == rv) + { + ((PRLinger*)(optval))->polarity = linger.l_onoff + ? PR_TRUE : PR_FALSE; + ((PRLinger*)(optval))->linger = PR_SecondsToInterval( + linger.l_linger); + *optlen = sizeof(PRLinger); + } + } + else + { + rv = _PR_MD_GETSOCKOPT( + fd, level, name, optval, optlen); + } + } + return rv; +} + +static PRStatus PR_CALLBACK SocketSetSockOpt( + PRFileDesc *fd, PRSockOption optname, const void* optval, PRInt32 optlen) +{ + PRInt32 level, name; + PRStatus rv; + + /* + * PR_SockOpt_Nonblocking is a special case that does not + * translate to a setsockopt call. + */ + if (PR_SockOpt_Nonblocking == optname) + { + PRBool fNonblocking = *((PRIntn *) optval) ? PR_TRUE : PR_FALSE; + PR_ASSERT(sizeof(PRIntn) == optlen); +#ifdef WINNT + PR_ASSERT((fd->secret->md.io_model_committed == PR_FALSE) + || (fd->secret->nonblocking == fNonblocking)); + if (fd->secret->md.io_model_committed + && (fd->secret->nonblocking != fNonblocking)) + { + /* + * On NT, once we have associated a socket with the io + * completion port, we can't disassociate it. So we + * can't change the nonblocking option of the socket + * afterwards. + */ + PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0); + return PR_FAILURE; + } +#endif + fd->secret->nonblocking = fNonblocking; + return PR_SUCCESS; + } + + rv = _PR_MapOptionName(optname, &level, &name); + if (PR_SUCCESS == rv) + { + if (PR_SockOpt_Linger == optname) + { + struct linger linger; + linger.l_onoff = ((PRLinger*)(optval))->polarity ? 1 : 0; + linger.l_linger = PR_IntervalToSeconds( + ((PRLinger*)(optval))->linger); + rv = _PR_MD_SETSOCKOPT( + fd, level, name, (char *) &linger, sizeof(linger)); + } + else + { + rv = _PR_MD_SETSOCKOPT( + fd, level, name, optval, optlen); + } + } + return rv; +} + +static PRIOMethods tcpMethods = { + PR_DESC_SOCKET_TCP, + SocketClose, + SocketRead, + SocketWrite, + SocketAvailable, + SocketAvailable64, + SocketSync, + (PRSeekFN)_PR_InvalidInt, + (PRSeek64FN)_PR_InvalidInt64, + (PRFileInfoFN)_PR_InvalidStatus, + (PRFileInfo64FN)_PR_InvalidStatus, + SocketWritev, + SocketConnect, + SocketAccept, + SocketBind, + SocketListen, + SocketShutdown, + SocketRecv, + SocketSend, + (PRRecvfromFN)_PR_InvalidInt, + (PRSendtoFN)_PR_InvalidInt, + (PRPollFN)0, + SocketAcceptRead, + SocketTransmitFile, + SocketGetName, + SocketGetPeerName, + SocketGetSockOpt, + SocketSetSockOpt, + _PR_SocketGetSocketOption, + _PR_SocketSetSocketOption +}; + +static PRIOMethods udpMethods = { + PR_DESC_SOCKET_UDP, + SocketClose, + SocketRead, + SocketWrite, + SocketAvailable, + SocketAvailable64, + SocketSync, + (PRSeekFN)_PR_InvalidInt, + (PRSeek64FN)_PR_InvalidInt64, + (PRFileInfoFN)_PR_InvalidStatus, + (PRFileInfo64FN)_PR_InvalidStatus, + SocketWritev, + SocketConnect, + (PRAcceptFN)_PR_InvalidDesc, + SocketBind, + SocketListen, + SocketShutdown, + SocketRecv, + SocketSend, + SocketRecvFrom, + SocketSendTo, + (PRPollFN)0, + (PRAcceptreadFN)_PR_InvalidInt, + (PRTransmitfileFN)_PR_InvalidInt, + SocketGetName, + SocketGetPeerName, + SocketGetSockOpt, + SocketSetSockOpt, + _PR_SocketGetSocketOption, + _PR_SocketSetSocketOption +}; + +PR_IMPLEMENT(PRIOMethods*) PR_GetTCPMethods() +{ + return &tcpMethods; +} + +PR_IMPLEMENT(PRIOMethods*) PR_GetUDPMethods() +{ + return &udpMethods; +} + +PR_IMPLEMENT(PRFileDesc*) PR_Socket(PRInt32 domain, PRInt32 type, PRInt32 proto) +{ + PRInt32 osfd; + int one = 1; + PRFileDesc *fd; + + if (!_pr_initialized) _PR_ImplicitInitialization(); + if (AF_INET != domain +#if defined(_PR_INET6) + && AF_INET6 != domain +#endif + ) { + PR_SetError(PR_ADDRESS_NOT_SUPPORTED_ERROR, 0); + return NULL; + } + osfd = _PR_MD_SOCKET(domain, type, proto); + if (osfd == -1) { + return 0; + } +#ifdef HAVE_SOCKET_KEEPALIVE + /* "Keep-alive" packets are specific to TCP. */ + if (domain == AF_INET && type == SOCK_STREAM) { + if (setsockopt(osfd, (int)SOL_SOCKET, SO_KEEPALIVE, + (const void *) &one, sizeof(one) ) < 0) { + _PR_MD_CLOSE_SOCKET(osfd); + return 0; + } + } +#endif + if (type == SOCK_STREAM) + fd = PR_AllocFileDesc(osfd, PR_GetTCPMethods()); + else + fd = PR_AllocFileDesc(osfd, PR_GetUDPMethods()); + /* + * Make the sockets non-blocking + */ + if (fd != NULL) + _PR_MD_MAKE_NONBLOCK(fd); + else + _PR_MD_CLOSE_SOCKET(osfd); + return fd; +} + +PR_IMPLEMENT(PRFileDesc *) PR_NewTCPSocket(void) +{ + PRInt32 domain = AF_INET; + +#if defined(_PR_INET6) + if (_pr_ipv6_enabled) { + domain = AF_INET6; + } +#endif + return PR_Socket(domain, SOCK_STREAM, 0); +} + +PR_IMPLEMENT(PRFileDesc*) PR_NewUDPSocket(void) +{ + PRInt32 domain = AF_INET; + +#if defined(_PR_INET6) + if (_pr_ipv6_enabled) { + domain = AF_INET6; + } +#endif + return PR_Socket(domain, SOCK_DGRAM, 0); +} + +PR_IMPLEMENT(PRStatus) PR_NewTCPSocketPair(PRFileDesc *f[]) +{ +#ifdef XP_UNIX + PRInt32 rv, osfd[2]; + + rv = _PR_MD_SOCKETPAIR(AF_UNIX, SOCK_STREAM, 0, osfd); + if (rv == -1) { + return PR_FAILURE; + } + + f[0] = PR_AllocFileDesc(osfd[0], PR_GetTCPMethods()); + if (!f[0]) { + _PR_MD_CLOSE_SOCKET(osfd[0]); + _PR_MD_CLOSE_SOCKET(osfd[1]); + /* PR_AllocFileDesc() has invoked PR_SetError(). */ + return PR_FAILURE; + } + f[1] = PR_AllocFileDesc(osfd[1], PR_GetTCPMethods()); + if (!f[1]) { + PR_Close(f[0]); + _PR_MD_CLOSE_SOCKET(osfd[1]); + /* PR_AllocFileDesc() has invoked PR_SetError(). */ + return PR_FAILURE; + } + _PR_MD_MAKE_NONBLOCK(f[0]); + _PR_MD_MAKE_NONBLOCK(f[1]); + return PR_SUCCESS; +#endif + + /* XXX: this needs to be implemented for MAC and NT */ +#ifdef XP_MAC +#pragma unused (f) + + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, unimpErr); + return PR_FAILURE; +#endif + +#ifdef XP_PC + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); + return PR_FAILURE; +#endif +} + +PR_IMPLEMENT(PRInt32) +PR_FileDesc2NativeHandle(PRFileDesc *fd) +{ + if (fd) { + /* + * The fd may be layered. Chase the links to the + * bottom layer to get the osfd. + */ + PRFileDesc *bottom = fd; + while (bottom->lower != NULL) { + bottom = bottom->lower; + } + return bottom->secret->md.osfd; + } else { + PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0); + return -1; + } +} + +PR_IMPLEMENT(void) +PR_ChangeFileDescNativeHandle(PRFileDesc *fd, PRInt32 handle) +{ + if (fd) + fd->secret->md.osfd = handle; +} + +/* + * _PR_EmulateTransmitFile + * + * Send file fd across socket sd. If headers is non-NULL, 'hlen' + * bytes of headers is sent before sending the file. + * + * PR_TRANSMITFILE_CLOSE_SOCKET flag - close socket after sending file + * + * return number of bytes sent or -1 on error + * + */ + +PRInt32 _PR_EmulateTransmitFile(PRFileDesc *sd, PRFileDesc *fd, +const void *headers, PRInt32 hlen, PRTransmitFileFlags flags, +PRIntervalTime timeout) +{ + PRInt32 rv, count = 0; + PRInt32 rlen; + PRThread *me = _PR_MD_CURRENT_THREAD(); + char *buf = NULL; +#define _TRANSMITFILE_BUFSIZE (16 * 1024) + + if (_PR_PENDING_INTERRUPT(me)) { + me->flags &= ~_PR_INTERRUPT; + PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0); + return -1; + } + + buf = PR_MALLOC(_TRANSMITFILE_BUFSIZE); + if (buf == NULL) { + PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0); + return -1; + } + + /* + * send headers, first + */ + while (hlen) { + rv = PR_Send(sd, headers, hlen, 0, timeout); + if (rv < 0) { + /* PR_Send() has invoked PR_SetError(). */ + rv = -1; + goto done; + } else { + count += rv; + headers = (const void*) ((const char*)headers + rv); + hlen -= rv; + } + } + /* + * send file, next + */ + while ((rlen = PR_Read(fd, buf, _TRANSMITFILE_BUFSIZE)) > 0) { + while (rlen) { + char *bufptr = buf; + + rv = PR_Send(sd, bufptr, rlen,0,PR_INTERVAL_NO_TIMEOUT); + if (rv < 0) { + /* PR_Send() has invoked PR_SetError(). */ + rv = -1; + goto done; + } else { + count += rv; + bufptr = ((char*)bufptr + rv); + rlen -= rv; + } + } + } + if (rlen == 0) { + /* + * end-of-file + */ + if (flags & PR_TRANSMITFILE_CLOSE_SOCKET) + PR_Close(sd); + rv = count; + } else { + PR_ASSERT(rlen < 0); + /* PR_Read() has invoked PR_SetError(). */ + rv = -1; + } + +done: + if (buf) + PR_DELETE(buf); + return rv; +} + +/* + * _PR_EmulateAcceptRead + * + * Accept an incoming connection on sd, set *nd to point to the + * newly accepted socket, read 'amount' bytes from the accepted + * socket. + * + * buf is a buffer of length = (amount + sizeof(PRNetAddr)) + * *raddr points to the PRNetAddr of the accepted connection upon + * return + * + * return number of bytes read or -1 on error + * + */ +PRInt32 _PR_EmulateAcceptRead(PRFileDesc *sd, PRFileDesc **nd, +PRNetAddr **raddr, void *buf, PRInt32 amount, PRIntervalTime timeout) +{ + PRInt32 rv; + PRFileDesc *newsockfd; + PRNetAddr remote; + PRIntervalTime start, elapsed; + + if (PR_INTERVAL_NO_TIMEOUT != timeout) { + start = PR_IntervalNow(); + } + if ((newsockfd = PR_Accept(sd, &remote, timeout)) == NULL) { + return -1; + } + + if (PR_INTERVAL_NO_TIMEOUT != timeout) { + elapsed = (PRIntervalTime) (PR_IntervalNow() - start); + if (elapsed > timeout) { + PR_SetError(PR_IO_TIMEOUT_ERROR, 0); + goto failed; + } else { + timeout = timeout - elapsed; + } + } + + rv = PR_Recv(newsockfd, buf, amount, 0, timeout); + if (rv >= 0) { + *nd = newsockfd; + *raddr = (PRNetAddr *)((char *) buf + amount); + memcpy(*raddr, &remote, PR_NETADDR_SIZE(&remote)); + return rv; + } + +failed: + PR_Close(newsockfd); + return -1; +} + +/* +** Select compatibility +** +*/ + +PR_IMPLEMENT(void) PR_FD_ZERO(PR_fd_set *set) +{ + memset(set, 0, sizeof(PR_fd_set)); +} + +PR_IMPLEMENT(void) PR_FD_SET(PRFileDesc *fh, PR_fd_set *set) +{ + PR_ASSERT( set->hsize < PR_MAX_SELECT_DESC ); + + set->harray[set->hsize++] = fh; +} + +PR_IMPLEMENT(void) PR_FD_CLR(PRFileDesc *fh, PR_fd_set *set) +{ + PRUint32 index, index2; + + for (index = 0; index<set->hsize; index++) + if (set->harray[index] == fh) { + for (index2=index; index2 < (set->hsize-1); index2++) { + set->harray[index2] = set->harray[index2+1]; + } + set->hsize--; + break; + } +} + +PR_IMPLEMENT(PRInt32) PR_FD_ISSET(PRFileDesc *fh, PR_fd_set *set) +{ + PRUint32 index; + for (index = 0; index<set->hsize; index++) + if (set->harray[index] == fh) { + return 1; + } + return 0; +} + +PR_IMPLEMENT(void) PR_FD_NSET(PRInt32 fd, PR_fd_set *set) +{ + PR_ASSERT( set->nsize < PR_MAX_SELECT_DESC ); + + set->narray[set->nsize++] = fd; +} + +PR_IMPLEMENT(void) PR_FD_NCLR(PRInt32 fd, PR_fd_set *set) +{ + PRUint32 index, index2; + + for (index = 0; index<set->nsize; index++) + if (set->narray[index] == fd) { + for (index2=index; index2 < (set->nsize-1); index2++) { + set->narray[index2] = set->narray[index2+1]; + } + set->nsize--; + break; + } +} + +PR_IMPLEMENT(PRInt32) PR_FD_NISSET(PRInt32 fd, PR_fd_set *set) +{ + PRUint32 index; + for (index = 0; index<set->nsize; index++) + if (set->narray[index] == fd) { + return 1; + } + return 0; +} + + +#if !defined(NEED_SELECT) +#if !defined(XP_MAC) +#include "obsolete/probslet.h" +#else +#include "probslet.h" +#endif + +#define PD_INCR 20 + +static PRPollDesc *_pr_setfd( + PR_fd_set *set, PRInt16 flags, PRPollDesc *polldesc) +{ + PRUintn fsidx, pdidx; + PRPollDesc *poll = polldesc; + + if (NULL == set) return poll; + + /* First set the pr file handle osfds */ + for (fsidx = 0; fsidx < set->hsize; fsidx++) + { + for (pdidx = 0; 1; pdidx++) + { + if ((PRFileDesc*)-1 == poll[pdidx].fd) + { + /* our vector is full - extend and condition it */ + poll = PR_Realloc( + poll, (pdidx + 1 + PD_INCR) * sizeof(PRPollDesc)); + if (NULL == poll) goto out_of_memory; + memset( + poll + pdidx * sizeof(PRPollDesc), + 0, PD_INCR * sizeof(PRPollDesc)); + poll[pdidx + PD_INCR].fd = (PRFileDesc*)-1; + } + if ((NULL == poll[pdidx].fd) + || (poll[pdidx].fd == set->harray[fsidx])) + { + /* PR_ASSERT(0 == (poll[pdidx].in_flags & flags)); */ + /* either empty or prevously defined */ + poll[pdidx].fd = set->harray[fsidx]; /* possibly redundant */ + poll[pdidx].in_flags |= flags; /* possibly redundant */ + break; + } + } + } + +#if 0 + /* Second set the native osfds */ + for (fsidx = 0; fsidx < set->nsize; fsidx++) + { + for (pdidx = 0; ((PRFileDesc*)-1 != poll[pdidx].fd); pdidx++) + { + if ((PRFileDesc*)-1 == poll[pdidx].fd) + { + /* our vector is full - extend and condition it */ + poll = PR_Realloc( + poll, (pdidx + PD_INCR) * sizeof(PRPollDesc)); + if (NULL == poll) goto out_of_memory; + memset( + poll + pdidx * sizeof(PRPollDesc), + 0, PD_INCR * sizeof(PRPollDesc)); + poll[(pdidx + PD_INCR)].fd = (PRFileDesc*)-1; + } + if ((NULL == poll[pdidx].fd) + || (poll[pdidx].fd == set->narray[fsidx])) + { + /* either empty or prevously defined */ + poll[pdidx].fd = set->narray[fsidx]; + PR_ASSERT(0 == (poll[pdidx].in_flags & flags)); + poll[pdidx].in_flags |= flags; + break; + } + } + } +#endif /* 0 */ + + return poll; + +out_of_memory: + if (NULL != polldesc) PR_DELETE(polldesc); + return NULL; +} /* _pr_setfd */ + +#endif /* !defined(NEED_SELECT) */ + +PR_IMPLEMENT(PRInt32) PR_Select( + PRInt32 unused, PR_fd_set *pr_rd, PR_fd_set *pr_wr, + PR_fd_set *pr_ex, PRIntervalTime timeout) +{ + +#if !defined(NEED_SELECT) + PRInt32 npds = 0; + /* + ** Find out how many fds are represented in the three lists. + ** Then allocate a polling descriptor for the logical union + ** (there can't be any overlapping) and call PR_Poll(). + */ + + PRPollDesc *copy, *poll; + + static PRBool warning = PR_TRUE; + if (warning) warning = _PR_Obsolete( "PR_Select()", "PR_Poll()"); + + /* try to get an initial guesss at how much space we need */ + npds = 0; + if ((NULL != pr_rd) && ((pr_rd->hsize + pr_rd->nsize - npds) > 0)) + npds = pr_rd->hsize + pr_rd->nsize; + if ((NULL != pr_wr) && ((pr_wr->hsize + pr_wr->nsize - npds) > 0)) + npds = pr_wr->hsize + pr_wr->nsize; + if ((NULL != pr_ex) && ((pr_ex->hsize + pr_ex->nsize - npds) > 0)) + npds = pr_ex->hsize + pr_ex->nsize; + + if (0 == npds) + { + PR_Sleep(timeout); + return 0; + } + + copy = poll = PR_Calloc(npds + PD_INCR, sizeof(PRPollDesc)); + if (NULL == poll) goto out_of_memory; + poll[npds + PD_INCR - 1].fd = (PRFileDesc*)-1; + + poll = _pr_setfd(pr_rd, PR_POLL_READ, poll); + if (NULL == poll) goto out_of_memory; + poll = _pr_setfd(pr_wr, PR_POLL_WRITE, poll); + if (NULL == poll) goto out_of_memory; + poll = _pr_setfd(pr_ex, PR_POLL_EXCEPT, poll); + if (NULL == poll) goto out_of_memory; + unused = 0; + while (NULL != poll[unused].fd && (PRFileDesc*)-1 != poll[unused].fd) + { + ++unused; + } + + PR_ASSERT(unused > 0); + npds = PR_Poll(poll, unused, timeout); + + if (npds > 0) + { + /* Copy the results back into the fd sets */ + if (NULL != pr_rd) pr_rd->nsize = pr_rd->hsize = 0; + if (NULL != pr_wr) pr_wr->nsize = pr_wr->hsize = 0; + if (NULL != pr_ex) pr_ex->nsize = pr_ex->hsize = 0; + for (copy = &poll[unused - 1]; copy >= poll; --copy) + { + if (copy->out_flags & PR_POLL_NVAL) + { + PR_SetError(PR_BAD_DESCRIPTOR_ERROR, 0); + npds = -1; + break; + } + if (copy->out_flags & PR_POLL_READ) + if (NULL != pr_rd) pr_rd->harray[pr_rd->hsize++] = copy->fd; + if (copy->out_flags & PR_POLL_WRITE) + if (NULL != pr_wr) pr_wr->harray[pr_wr->hsize++] = copy->fd; + if (copy->out_flags & PR_POLL_EXCEPT) + if (NULL != pr_ex) pr_ex->harray[pr_ex->hsize++] = copy->fd; + } + } + PR_DELETE(poll); + + return npds; +out_of_memory: + PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0); + return -1; + +#endif /* !defined(NEED_SELECT) */ + +} |