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Diffstat (limited to 'nsprpub/pr/include/obsolete/probslet.h')
| -rw-r--r-- | nsprpub/pr/include/obsolete/probslet.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/nsprpub/pr/include/obsolete/probslet.h b/nsprpub/pr/include/obsolete/probslet.h new file mode 100644 index 000000000..2eff0ba41 --- /dev/null +++ b/nsprpub/pr/include/obsolete/probslet.h @@ -0,0 +1,149 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* +** 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*****************/ +/************************************************************************/ + +/* +** The following is obsolete and will be deleted in the next release!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 +#include <sys/stat.h> + +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 */ |