Mercurial > trustbridge > nss-cmake-static

comparison nspr/pr/src/io/prio.c @ 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 #include "primpl.h"
7
8 #include <string.h> /* for memset() */
9
10
11 /************************************************************************/
12
13 PRLock *_pr_flock_lock;
14 PRCondVar *_pr_flock_cv;
15
16 #ifdef WINCE
17 /*
18 * There are no stdin, stdout, stderr in Windows CE. INVALID_HANDLE_VALUE
19 * should cause all I/O functions on the handle to fail.
20 */
21 #define STD_INPUT_HANDLE ((DWORD)-10)
22 #define STD_OUTPUT_HANDLE ((DWORD)-11)
23 #define STD_ERROR_HANDLE ((DWORD)-12)
24
25 static HANDLE GetStdHandle(DWORD nStdHandle)
26 {
27 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
28 return INVALID_HANDLE_VALUE;
29 }
30 #endif
31
32 void _PR_InitIO(void)
33 {
34 const PRIOMethods *methods = PR_GetFileMethods();
35
36 _PR_InitFdCache();
37
38 _pr_flock_lock = PR_NewLock();
39 _pr_flock_cv = PR_NewCondVar(_pr_flock_lock);
40
41 #ifdef WIN32
42 _pr_stdin = PR_AllocFileDesc((PROsfd)GetStdHandle(STD_INPUT_HANDLE),
43 methods);
44 _pr_stdout = PR_AllocFileDesc((PROsfd)GetStdHandle(STD_OUTPUT_HANDLE),
45 methods);
46 _pr_stderr = PR_AllocFileDesc((PROsfd)GetStdHandle(STD_ERROR_HANDLE),
47 methods);
48 #ifdef WINNT
49 _pr_stdin->secret->md.sync_file_io = PR_TRUE;
50 _pr_stdout->secret->md.sync_file_io = PR_TRUE;
51 _pr_stderr->secret->md.sync_file_io = PR_TRUE;
52 #endif
53 #else
54 _pr_stdin = PR_AllocFileDesc(0, methods);
55 _pr_stdout = PR_AllocFileDesc(1, methods);
56 _pr_stderr = PR_AllocFileDesc(2, methods);
57 #endif
58 _PR_MD_INIT_FD_INHERITABLE(_pr_stdin, PR_TRUE);
59 _PR_MD_INIT_FD_INHERITABLE(_pr_stdout, PR_TRUE);
60 _PR_MD_INIT_FD_INHERITABLE(_pr_stderr, PR_TRUE);
61 }
62
63 void _PR_CleanupIO(void)
64 {
65 PR_FreeFileDesc(_pr_stdin);
66 _pr_stdin = NULL;
67 PR_FreeFileDesc(_pr_stdout);
68 _pr_stdout = NULL;
69 PR_FreeFileDesc(_pr_stderr);
70 _pr_stderr = NULL;
71
72 if (_pr_flock_cv) {
73 PR_DestroyCondVar(_pr_flock_cv);
74 _pr_flock_cv = NULL;
75 }
76 if (_pr_flock_lock) {
77 PR_DestroyLock(_pr_flock_lock);
78 _pr_flock_lock = NULL;
79 }
80
81 _PR_CleanupFdCache();
82 }
83
84 PR_IMPLEMENT(PRFileDesc*) PR_GetSpecialFD(PRSpecialFD osfd)
85 {
86 PRFileDesc *result = NULL;
87 PR_ASSERT((int) osfd >= PR_StandardInput && osfd <= PR_StandardError);
88
89 if (!_pr_initialized) _PR_ImplicitInitialization();
90
91 switch (osfd)
92 {
93 case PR_StandardInput: result = _pr_stdin; break;
94 case PR_StandardOutput: result = _pr_stdout; break;
95 case PR_StandardError: result = _pr_stderr; break;
96 default:
97 (void)PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
98 }
99 return result;
100 }
101
102 PR_IMPLEMENT(PRFileDesc*) PR_AllocFileDesc(
103 PROsfd osfd, const PRIOMethods *methods)
104 {
105 PRFileDesc *fd;
106
107 #ifdef XP_UNIX
108 /*
109 * Assert that the file descriptor is small enough to fit in the
110 * fd_set passed to select
111 */
112 PR_ASSERT(osfd < FD_SETSIZE);
113 #endif
114 fd = _PR_Getfd();
115 if (fd) {
116 /* Initialize the members of PRFileDesc and PRFilePrivate */
117 fd->methods = methods;
118 fd->secret->state = _PR_FILEDESC_OPEN;
119 fd->secret->md.osfd = osfd;
120 _PR_MD_INIT_FILEDESC(fd);
121 } else {
122 PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
123 }
124
125 return fd;
126 }
127
128 PR_IMPLEMENT(void) PR_FreeFileDesc(PRFileDesc *fd)
129 {
130 PR_ASSERT(fd);
131 _PR_Putfd(fd);
132 }
133
134 /*
135 ** Wait for some i/o to finish on one or more more poll descriptors.
136 */
137 PR_IMPLEMENT(PRInt32) PR_Poll(PRPollDesc *pds, PRIntn npds, PRIntervalTime timeout)
138 {
139 return(_PR_MD_PR_POLL(pds, npds, timeout));
140 }
141
142 /*
143 ** Set the inheritance attribute of a file descriptor.
144 */
145 PR_IMPLEMENT(PRStatus) PR_SetFDInheritable(
146 PRFileDesc *fd,
147 PRBool inheritable)
148 {
149 #if defined(XP_UNIX) || defined(WIN32) || defined(XP_OS2) || defined(XP_BEOS)
150 /*
151 * Only a non-layered, NSPR file descriptor can be inherited
152 * by a child process.
153 */
154 if (fd->identity != PR_NSPR_IO_LAYER) {
155 PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
156 return PR_FAILURE;
157 }
158 if (fd->secret->inheritable != inheritable) {
159 if (_PR_MD_SET_FD_INHERITABLE(fd, inheritable) == PR_FAILURE) {
160 return PR_FAILURE;
161 }
162 fd->secret->inheritable = inheritable;
163 }
164 return PR_SUCCESS;
165 #else
166 PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
167 return PR_FAILURE;
168 #endif
169 }
170
171 /*
172 ** This function only has a useful implementation in the debug build of
173 ** the pthreads version.
174 */
175 PR_IMPLEMENT(void) PT_FPrintStats(PRFileDesc *debug_out, const char *msg)
176 {
177 /* do nothing */
178 } /* PT_FPrintStats */
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