ReactOS  0.4.15-dev-1207-g698a8e6
enum_jobs.c
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1 /*
2  * Queue Manager (BITS) Job Enumerator
3  *
4  * Copyright 2007 Google (Roy Shea)
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20 
21 #include "qmgr.h"
22 #include "wine/debug.h"
23 
25 
26 typedef struct
27 {
34 
36 {
37  return CONTAINING_RECORD(iface, EnumBackgroundCopyJobsImpl, IEnumBackgroundCopyJobs_iface);
38 }
39 
41  REFIID riid, void **ppv)
42 {
44 
45  TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
46 
47  if (IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_IEnumBackgroundCopyJobs))
48  {
49  *ppv = iface;
50  IEnumBackgroundCopyJobs_AddRef(iface);
51  return S_OK;
52  }
53 
54  *ppv = NULL;
55  return E_NOINTERFACE;
56 }
57 
59 {
62 
63  TRACE("(%p)->(%d)\n", This, ref);
64 
65  return ref;
66 }
67 
69 {
72  ULONG i;
73 
74  TRACE("(%p)->(%d)\n", This, ref);
75 
76  if (ref == 0) {
77  for(i = 0; i < This->numJobs; i++)
78  IBackgroundCopyJob3_Release(This->jobs[i]);
79  HeapFree(GetProcessHeap(), 0, This->jobs);
81  }
82 
83  return ref;
84 }
85 
87  IBackgroundCopyJob **rgelt, ULONG *pceltFetched)
88 {
90  ULONG fetched;
91  ULONG i;
93 
94  TRACE("(%p)->(%d %p %p)\n", This, celt, rgelt, pceltFetched);
95 
96  fetched = min(celt, This->numJobs - This->indexJobs);
97  if (pceltFetched)
98  *pceltFetched = fetched;
99  else
100  {
101  /* We need to initialize this array if the caller doesn't request
102  the length because length_is will default to celt. */
103  for (i = 0; i < celt; ++i)
104  rgelt[i] = NULL;
105 
106  /* pceltFetched can only be NULL if celt is 1 */
107  if (celt != 1)
108  return E_INVALIDARG;
109  }
110 
111  /* Fill in the array of objects */
112  for (i = 0; i < fetched; ++i)
113  {
114  job = This->jobs[This->indexJobs++];
115  IBackgroundCopyJob3_AddRef(job);
116  rgelt[i] = (IBackgroundCopyJob *)job;
117  }
118 
119  return fetched == celt ? S_OK : S_FALSE;
120 }
121 
123 {
125 
126  TRACE("(%p)->(%d)\n", This, celt);
127 
128  if (This->numJobs - This->indexJobs < celt)
129  {
130  This->indexJobs = This->numJobs;
131  return S_FALSE;
132  }
133 
134  This->indexJobs += celt;
135  return S_OK;
136 }
137 
139 {
141 
142  TRACE("(%p)\n", This);
143 
144  This->indexJobs = 0;
145  return S_OK;
146 }
147 
149  IEnumBackgroundCopyJobs **ppenum)
150 {
152  FIXME("(%p)->(%p): stub\n", This, ppenum);
153  return E_NOTIMPL;
154 }
155 
157  ULONG *puCount)
158 {
160 
161  TRACE("(%p)->(%p)\n", This, puCount);
162 
163  *puCount = This->numJobs;
164  return S_OK;
165 }
166 
167 static const IEnumBackgroundCopyJobsVtbl EnumBackgroundCopyJobsVtbl =
168 {
177 };
178 
180 {
183  ULONG i;
184 
185  TRACE("%p, %p)\n", qmgr, enumjob);
186 
187  This = HeapAlloc(GetProcessHeap(), 0, sizeof *This);
188  if (!This)
189  return E_OUTOFMEMORY;
190  This->IEnumBackgroundCopyJobs_iface.lpVtbl = &EnumBackgroundCopyJobsVtbl;
191  This->ref = 1;
192 
193  /* Create array of jobs */
194  This->indexJobs = 0;
195 
196  EnterCriticalSection(&qmgr->cs);
197  This->numJobs = list_count(&qmgr->jobs);
198 
199  if (0 < This->numJobs)
200  {
201  This->jobs = HeapAlloc(GetProcessHeap(), 0,
202  This->numJobs * sizeof *This->jobs);
203  if (!This->jobs)
204  {
205  LeaveCriticalSection(&qmgr->cs);
207  return E_OUTOFMEMORY;
208  }
209  }
210  else
211  This->jobs = NULL;
212 
213  i = 0;
214  LIST_FOR_EACH_ENTRY(job, &qmgr->jobs, BackgroundCopyJobImpl, entryFromQmgr)
215  {
216  IBackgroundCopyJob3_AddRef(&job->IBackgroundCopyJob3_iface);
217  This->jobs[i++] = &job->IBackgroundCopyJob3_iface;
218  }
219  LeaveCriticalSection(&qmgr->cs);
220 
221  *enumjob = &This->IEnumBackgroundCopyJobs_iface;
222  return S_OK;
223 }
static HANDLE job
Definition: process.c:77
#define REFIID
Definition: guiddef.h:118
static ULONG WINAPI EnumBackgroundCopyJobs_Release(IEnumBackgroundCopyJobs *iface)
Definition: enum_jobs.c:68
#define E_NOINTERFACE
Definition: winerror.h:2364
IEnumBackgroundCopyJobs IEnumBackgroundCopyJobs_iface
Definition: enum_jobs.c:28
HRESULT enum_copy_job_create(BackgroundCopyManagerImpl *qmgr, IEnumBackgroundCopyJobs **enumjob)
Definition: enum_jobs.c:179
REFIID riid
Definition: precomp.h:44
IBackgroundCopyJob3 ** jobs
Definition: enum_jobs.c:30
REFIID LPVOID * ppv
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CRITICAL_SECTION cs
Definition: qmgr.h:89
void WINAPI EnterCriticalSection(LPCRITICAL_SECTION)
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#define LIST_FOR_EACH_ENTRY(elem, list, type, field)
Definition: list.h:198
static HRESULT WINAPI EnumBackgroundCopyJobs_GetCount(IEnumBackgroundCopyJobs *iface, ULONG *puCount)
Definition: enum_jobs.c:156
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define E_OUTOFMEMORY
Definition: ddrawi.h:100
__WINE_SERVER_LIST_INLINE unsigned int list_count(const struct list *list)
Definition: list.h:155
long LONG
Definition: pedump.c:60
static HRESULT WINAPI EnumBackgroundCopyJobs_Clone(IEnumBackgroundCopyJobs *iface, IEnumBackgroundCopyJobs **ppenum)
Definition: enum_jobs.c:148
GLenum GLint ref
Definition: glext.h:6028
#define FIXME(fmt,...)
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#define S_FALSE
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#define E_INVALIDARG
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smooth NULL
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PFLT_MESSAGE_WAITER_QUEUE CONTAINING_RECORD(Csq, DEVICE_EXTENSION, IrpQueue)) -> WaiterQ.mLock) _IRQL_raises_(DISPATCH_LEVEL) VOID NTAPI FltpAcquireMessageWaiterLock(_In_ PIO_CSQ Csq, _Out_ PKIRQL Irql)
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struct list jobs
Definition: qmgr.h:91
#define TRACE(s)
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PVOID WINAPI HeapAlloc(HANDLE, DWORD, SIZE_T)
LONG HRESULT
Definition: typedefs.h:79
WINE_DEFAULT_DEBUG_CHANNEL(qmgr)
const GUID IID_IUnknown
static HRESULT WINAPI EnumBackgroundCopyJobs_Skip(IEnumBackgroundCopyJobs *iface, ULONG celt)
Definition: enum_jobs.c:122
#define WINAPI
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#define InterlockedDecrement
Definition: armddk.h:52
static ULONG WINAPI EnumBackgroundCopyJobs_AddRef(IEnumBackgroundCopyJobs *iface)
Definition: enum_jobs.c:58
static HRESULT WINAPI EnumBackgroundCopyJobs_Reset(IEnumBackgroundCopyJobs *iface)
Definition: enum_jobs.c:138
static EnumBackgroundCopyJobsImpl * impl_from_IEnumBackgroundCopyJobs(IEnumBackgroundCopyJobs *iface)
Definition: enum_jobs.c:35
#define S_OK
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#define min(a, b)
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BOOL WINAPI IsEqualGUID(REFGUID rguid1, REFGUID rguid2)
Definition: compobj.c:4112
static const IEnumBackgroundCopyJobsVtbl EnumBackgroundCopyJobsVtbl
Definition: enum_jobs.c:167
static HRESULT WINAPI EnumBackgroundCopyJobs_QueryInterface(IEnumBackgroundCopyJobs *iface, REFIID riid, void **ppv)
Definition: enum_jobs.c:40
unsigned int ULONG
Definition: retypes.h:1
void WINAPI LeaveCriticalSection(LPCRITICAL_SECTION)
#define HeapFree(x, y, z)
Definition: compat.h:594
static HRESULT WINAPI EnumBackgroundCopyJobs_Next(IEnumBackgroundCopyJobs *iface, ULONG celt, IBackgroundCopyJob **rgelt, ULONG *pceltFetched)
Definition: enum_jobs.c:86