1/**************************************************************************\
2 * Copyright (c) Kongsberg Oil & Gas Technologies AS
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 * Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 *
12 * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * Neither the name of the copyright holder nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31\**************************************************************************/
32
33/* this file should only be included from thread.c */
34
35#include "glue/win32api.h"
36
37static DWORD WINAPI
38cc_w32thread_thread_proc(LPVOID lpParameter)
39{
40  cc_thread *thread = (cc_thread *)lpParameter;
41  return (DWORD) reinterpret_cast<uintptr_t>(thread->func(thread->closure));
42}
43
44static int
45internal_init(cc_thread * thread)
46{
47  DWORD threadid_unused;
48
49  thread->w32thread.threadhandle = CreateThread(NULL, 0,
50    cc_w32thread_thread_proc, (LPVOID) thread, 0, &threadid_unused);
51
52  /* threadid_unused - see PlatformSDK doc. for CreateThread */
53
54  /* FIXME: thammer 20011108, check PlatformSDK doc for
55   * _beginthreadex, _endthreadex, and note about using these with
56   * LIBCMT.LIB "A thread that uses functions from the C run-time
57   * libraries should use the beginthread and endthread C run-time
58   * functions for thread management rather than CreateThread and
59   * ExitThread. Failure to do so results in small memory leaks when
60   * ExitThread is called. " */
61
62  if (thread->w32thread.threadhandle == NULL) {
63    if (COIN_DEBUG) {
64      cc_win32_print_error("internal_init", "CreateThread()", GetLastError());
65    }
66    return CC_ERROR;
67  }
68  return CC_OK;
69}
70
71static int
72internal_clean(cc_thread * thread_struct)
73{
74  /* FIXME: Is there really nothing to do here? pederb, 2001-12-10 */
75  return CC_OK;
76}
77
78static int
79internal_join(cc_thread * thread,
80               void ** retvalptr)
81{
82  DWORD status;
83  BOOL bstatus;
84  DWORD exitcode;
85
86  status = WaitForSingleObject(thread->w32thread.threadhandle, INFINITE);
87  if (status == WAIT_FAILED) {
88    if (COIN_DEBUG) {
89      cc_win32_print_error("internal_join", "WaitForSingleObject()",
90                           GetLastError());
91    }
92    return CC_ERROR;
93  }
94  else if (status != WAIT_OBJECT_0) {
95    if (COIN_DEBUG) {
96      cc_debugerror_post("internal_join",
97                         "WaitForSingleObject() - unknown return value: %d\n",
98                         status);
99    }
100    return CC_ERROR;
101  }
102  bstatus = GetExitCodeThread(thread->w32thread.threadhandle, &exitcode);
103  if (bstatus == FALSE) {
104    if (COIN_DEBUG) {
105      cc_win32_print_error("internal_join", "GetExitCodeThread()",
106                           GetLastError());
107    }
108  }
109  else if (retvalptr) {
110    *retvalptr = (void *)exitcode;
111  }
112  /* termination could be forced with TerminateThread() - but this
113   * will result in memory leaks - or bigger problems - see Platform
114   * SDK doc. */
115  CloseHandle(thread->w32thread.threadhandle);
116  thread->w32thread.threadhandle = NULL;
117
118  return bstatus ? CC_OK : CC_ERROR;
119}
120