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comparison nspr/pr/include/obsolete/probslet.h @ 0:1e5118fa0cb1

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This is NSS with a Cmake Buildsyste To compile a static NSS library for Windows we've used the Chromium-NSS fork and added a Cmake buildsystem to compile it statically for Windows. See README.chromium for chromium changes and README.trustbridge for our modifications.
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 28 Jul 2014 10:47:06 +0200
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 /*
7 ** A collection of things thought to be obsolete
8 */
9
10 #if defined(PROBSLET_H)
11 #else
12 #define PROBSLET_H
13
14 #include "prio.h"
15 #include "private/pprio.h" /* for PROsfd */
16
17 PR_BEGIN_EXTERN_C
18
19 /*
20 ** Yield the current thread. The proper function to use in place of
21 ** PR_Yield() is PR_Sleep() with an argument of PR_INTERVAL_NO_WAIT.
22 */
23 NSPR_API(PRStatus) PR_Yield(void);
24
25 /************************************************************************/
26 /************* The following definitions are for select *****************/
27 /************************************************************************/
28
29 /*
30 ** The following is obsolete and will be deleted in the next release!
31 ** These are provided for compatibility, but are GUARANTEED to be slow.
32 **
33 ** Override PR_MAX_SELECT_DESC if you need more space in the select set.
34 */
35 #ifndef PR_MAX_SELECT_DESC
36 #define PR_MAX_SELECT_DESC 1024
37 #endif
38 typedef struct PR_fd_set {
39 PRUint32 hsize;
40 PRFileDesc *harray[PR_MAX_SELECT_DESC];
41 PRUint32 nsize;
42 PROsfd narray[PR_MAX_SELECT_DESC];
43 } PR_fd_set;
44
45 /*
46 *************************************************************************
47 ** FUNCTION: PR_Select
48 ** DESCRIPTION:
49 **
50 ** The call returns as soon as I/O is ready on one or more of the underlying
51 ** file/socket descriptors or an exceptional condition is pending. A count of the
52 ** number of ready descriptors is returned unless a timeout occurs in which case
53 ** zero is returned. On return, PR_Select replaces the given descriptor sets with
54 ** subsets consisting of those descriptors that are ready for the requested condition.
55 ** The total number of ready descriptors in all the sets is the return value.
56 **
57 ** INPUTS:
58 ** PRInt32 num
59 ** This argument is unused but is provided for select(unix) interface
60 ** compatability. All input PR_fd_set arguments are self-describing
61 ** with its own maximum number of elements in the set.
62 **
63 ** PR_fd_set *readfds
64 ** A set describing the io descriptors for which ready for reading
65 ** condition is of interest.
66 **
67 ** PR_fd_set *writefds
68 ** A set describing the io descriptors for which ready for writing
69 ** condition is of interest.
70 **
71 ** PR_fd_set *exceptfds
72 ** A set describing the io descriptors for which exception pending
73 ** condition is of interest.
74 **
75 ** Any of the above readfds, writefds or exceptfds may be given as NULL
76 ** pointers if no descriptors are of interest for that particular condition.
77 **
78 ** PRIntervalTime timeout
79 ** Amount of time the call will block waiting for I/O to become ready.
80 ** If this time expires without any I/O becoming ready, the result will
81 ** be zero.
82 **
83 ** OUTPUTS:
84 ** PR_fd_set *readfds
85 ** A set describing the io descriptors which are ready for reading.
86 **
87 ** PR_fd_set *writefds
88 ** A set describing the io descriptors which are ready for writing.
89 **
90 ** PR_fd_set *exceptfds
91 ** A set describing the io descriptors which have pending exception.
92 **
93 ** RETURN:PRInt32
94 ** Number of io descriptors with asked for conditions or zero if the function
95 ** timed out or -1 on failure. The reason for the failure is obtained by
96 ** calling PR_GetError().
97 ** XXX can we implement this on windoze and mac?
98 **************************************************************************
99 */
100 NSPR_API(PRInt32) PR_Select(
101 PRInt32 num, PR_fd_set *readfds, PR_fd_set *writefds,
102 PR_fd_set *exceptfds, PRIntervalTime timeout);
103
104 /*
105 ** The following are not thread safe for two threads operating on them at the
106 ** same time.
107 **
108 ** The following routines are provided for manipulating io descriptor sets.
109 ** PR_FD_ZERO(&fdset) initializes a descriptor set fdset to the null set.
110 ** PR_FD_SET(fd, &fdset) includes a particular file descriptor fd in fdset.
111 ** PR_FD_CLR(fd, &fdset) removes a file descriptor fd from fdset.
112 ** PR_FD_ISSET(fd, &fdset) is nonzero if file descriptor fd is a member of
113 ** fdset, zero otherwise.
114 **
115 ** PR_FD_NSET(osfd, &fdset) includes a particular native file descriptor osfd
116 ** in fdset.
117 ** PR_FD_NCLR(osfd, &fdset) removes a native file descriptor osfd from fdset.
118 ** PR_FD_NISSET(osfd, &fdset) is nonzero if native file descriptor osfd is a member of
119 ** fdset, zero otherwise.
120 */
121
122 NSPR_API(void) PR_FD_ZERO(PR_fd_set *set);
123 NSPR_API(void) PR_FD_SET(PRFileDesc *fd, PR_fd_set *set);
124 NSPR_API(void) PR_FD_CLR(PRFileDesc *fd, PR_fd_set *set);
125 NSPR_API(PRInt32) PR_FD_ISSET(PRFileDesc *fd, PR_fd_set *set);
126 NSPR_API(void) PR_FD_NSET(PROsfd osfd, PR_fd_set *set);
127 NSPR_API(void) PR_FD_NCLR(PROsfd osfd, PR_fd_set *set);
128 NSPR_API(PRInt32) PR_FD_NISSET(PROsfd osfd, PR_fd_set *set);
129
130 /*
131 ** The next two entry points should not be in the API, but they are
132 ** declared here for historical reasons.
133 */
134
135 NSPR_API(PRInt32) PR_GetSysfdTableMax(void);
136
137 NSPR_API(PRInt32) PR_SetSysfdTableSize(PRIntn table_size);
138
139 #ifndef NO_NSPR_10_SUPPORT
140 #include <sys/stat.h>
141
142 NSPR_API(PRInt32) PR_Stat(const char *path, struct stat *buf);
143 #endif /* NO_NSPR_10_SUPPORT */
144
145 PR_END_EXTERN_C
146
147 #endif /* defined(PROBSLET_H) */
148
149 /* probslet.h */
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