/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Netscape Portable Runtime (NSPR). * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998-2000 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ /* ** A collection of things thought to be obsolete */ #if defined(PROBSLET_H) #else #define PROBSLET_H #include "prio.h" #include "private/pprio.h" /* for PROsfd */ PR_BEGIN_EXTERN_C /* ** Yield the current thread. The proper function to use in place of ** PR_Yield() is PR_Sleep() with an argument of PR_INTERVAL_NO_WAIT. */ NSPR_API(PRStatus) PR_Yield(void); /************************************************************************/ /************* The following definitions are for select *****************/ /************************************************************************/ /* ** The following is obsolete and will be deleted in the next release! ** These are provided for compatibility, but are GUARANTEED to be slow. ** ** Override PR_MAX_SELECT_DESC if you need more space in the select set. */ #ifndef PR_MAX_SELECT_DESC #define PR_MAX_SELECT_DESC 1024 #endif typedef struct PR_fd_set { PRUint32 hsize; PRFileDesc *harray[PR_MAX_SELECT_DESC]; PRUint32 nsize; PROsfd narray[PR_MAX_SELECT_DESC]; } PR_fd_set; /* ************************************************************************* ** FUNCTION: PR_Select ** DESCRIPTION: ** ** The call returns as soon as I/O is ready on one or more of the underlying ** file/socket descriptors or an exceptional condition is pending. A count of the ** number of ready descriptors is returned unless a timeout occurs in which case ** zero is returned. On return, PR_Select replaces the given descriptor sets with ** subsets consisting of those descriptors that are ready for the requested condition. ** The total number of ready descriptors in all the sets is the return value. ** ** INPUTS: ** PRInt32 num ** This argument is unused but is provided for select(unix) interface ** compatability. All input PR_fd_set arguments are self-describing ** with its own maximum number of elements in the set. ** ** PR_fd_set *readfds ** A set describing the io descriptors for which ready for reading ** condition is of interest. ** ** PR_fd_set *writefds ** A set describing the io descriptors for which ready for writing ** condition is of interest. ** ** PR_fd_set *exceptfds ** A set describing the io descriptors for which exception pending ** condition is of interest. ** ** Any of the above readfds, writefds or exceptfds may be given as NULL ** pointers if no descriptors are of interest for that particular condition. ** ** PRIntervalTime timeout ** Amount of time the call will block waiting for I/O to become ready. ** If this time expires without any I/O becoming ready, the result will ** be zero. ** ** OUTPUTS: ** PR_fd_set *readfds ** A set describing the io descriptors which are ready for reading. ** ** PR_fd_set *writefds ** A set describing the io descriptors which are ready for writing. ** ** PR_fd_set *exceptfds ** A set describing the io descriptors which have pending exception. ** ** RETURN:PRInt32 ** Number of io descriptors with asked for conditions or zero if the function ** timed out or -1 on failure. The reason for the failure is obtained by ** calling PR_GetError(). ** XXX can we implement this on windoze and mac? ************************************************************************** */ NSPR_API(PRInt32) PR_Select( PRInt32 num, PR_fd_set *readfds, PR_fd_set *writefds, PR_fd_set *exceptfds, PRIntervalTime timeout); /* ** The following are not thread safe for two threads operating on them at the ** same time. ** ** The following routines are provided for manipulating io descriptor sets. ** PR_FD_ZERO(&fdset) initializes a descriptor set fdset to the null set. ** PR_FD_SET(fd, &fdset) includes a particular file descriptor fd in fdset. ** PR_FD_CLR(fd, &fdset) removes a file descriptor fd from fdset. ** PR_FD_ISSET(fd, &fdset) is nonzero if file descriptor fd is a member of ** fdset, zero otherwise. ** ** PR_FD_NSET(osfd, &fdset) includes a particular native file descriptor osfd ** in fdset. ** PR_FD_NCLR(osfd, &fdset) removes a native file descriptor osfd from fdset. ** PR_FD_NISSET(osfd, &fdset) is nonzero if native file descriptor osfd is a member of ** fdset, zero otherwise. */ NSPR_API(void) PR_FD_ZERO(PR_fd_set *set); NSPR_API(void) PR_FD_SET(PRFileDesc *fd, PR_fd_set *set); NSPR_API(void) PR_FD_CLR(PRFileDesc *fd, PR_fd_set *set); NSPR_API(PRInt32) PR_FD_ISSET(PRFileDesc *fd, PR_fd_set *set); NSPR_API(void) PR_FD_NSET(PROsfd osfd, PR_fd_set *set); NSPR_API(void) PR_FD_NCLR(PROsfd osfd, PR_fd_set *set); NSPR_API(PRInt32) PR_FD_NISSET(PROsfd osfd, PR_fd_set *set); /* ** The next two entry points should not be in the API, but they are ** declared here for historical reasons. */ NSPR_API(PRInt32) PR_GetSysfdTableMax(void); NSPR_API(PRInt32) PR_SetSysfdTableSize(PRIntn table_size); #ifndef NO_NSPR_10_SUPPORT #ifdef XP_MAC #include #else #include #endif NSPR_API(PRInt32) PR_Stat(const char *path, struct stat *buf); #endif /* NO_NSPR_10_SUPPORT */ PR_END_EXTERN_C #endif /* defined(PROBSLET_H) */ /* probslet.h */