Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 1 | /**************************************************************************** |
| 2 | |
| 3 | (c) SYSTEC electronic GmbH, D-07973 Greiz, August-Bebel-Str. 29 |
| 4 | www.systec-electronic.com |
| 5 | |
| 6 | Project: openPOWERLINK |
| 7 | |
| 8 | Description: source file for EPL User Timermodule for Linux kernel module |
| 9 | |
| 10 | License: |
| 11 | |
| 12 | Redistribution and use in source and binary forms, with or without |
| 13 | modification, are permitted provided that the following conditions |
| 14 | are met: |
| 15 | |
| 16 | 1. Redistributions of source code must retain the above copyright |
| 17 | notice, this list of conditions and the following disclaimer. |
| 18 | |
| 19 | 2. Redistributions in binary form must reproduce the above copyright |
| 20 | notice, this list of conditions and the following disclaimer in the |
| 21 | documentation and/or other materials provided with the distribution. |
| 22 | |
| 23 | 3. Neither the name of SYSTEC electronic GmbH nor the names of its |
| 24 | contributors may be used to endorse or promote products derived |
| 25 | from this software without prior written permission. For written |
| 26 | permission, please contact info@systec-electronic.com. |
| 27 | |
| 28 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 29 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 30 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 31 | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 32 | COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 33 | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 34 | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 35 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| 36 | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 37 | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| 38 | ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 39 | POSSIBILITY OF SUCH DAMAGE. |
| 40 | |
| 41 | Severability Clause: |
| 42 | |
| 43 | If a provision of this License is or becomes illegal, invalid or |
| 44 | unenforceable in any jurisdiction, that shall not affect: |
| 45 | 1. the validity or enforceability in that jurisdiction of any other |
| 46 | provision of this License; or |
| 47 | 2. the validity or enforceability in other jurisdictions of that or |
| 48 | any other provision of this License. |
| 49 | |
| 50 | ------------------------------------------------------------------------- |
| 51 | |
| 52 | $RCSfile: EplTimeruLinuxKernel.c,v $ |
| 53 | |
| 54 | $Author: D.Krueger $ |
| 55 | |
| 56 | $Revision: 1.6 $ $Date: 2008/04/17 21:36:32 $ |
| 57 | |
| 58 | $State: Exp $ |
| 59 | |
| 60 | Build Environment: |
| 61 | KEIL uVision 2 |
| 62 | |
| 63 | ------------------------------------------------------------------------- |
| 64 | |
| 65 | Revision History: |
| 66 | |
| 67 | 2006/09/12 d.k.: start of the implementation |
| 68 | |
| 69 | ****************************************************************************/ |
| 70 | |
| 71 | #include "user/EplTimeru.h" |
| 72 | #include <linux/timer.h> |
| 73 | |
| 74 | /***************************************************************************/ |
| 75 | /* */ |
| 76 | /* */ |
| 77 | /* G L O B A L D E F I N I T I O N S */ |
| 78 | /* */ |
| 79 | /* */ |
| 80 | /***************************************************************************/ |
| 81 | |
| 82 | //--------------------------------------------------------------------------- |
| 83 | // const defines |
| 84 | //--------------------------------------------------------------------------- |
| 85 | |
| 86 | //--------------------------------------------------------------------------- |
| 87 | // local types |
| 88 | //--------------------------------------------------------------------------- |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 89 | typedef struct { |
| 90 | struct timer_list m_Timer; |
| 91 | tEplTimerArg TimerArgument; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 92 | |
| 93 | } tEplTimeruData; |
| 94 | |
| 95 | //--------------------------------------------------------------------------- |
| 96 | // modul globale vars |
| 97 | //--------------------------------------------------------------------------- |
| 98 | |
| 99 | //--------------------------------------------------------------------------- |
| 100 | // local function prototypes |
| 101 | //--------------------------------------------------------------------------- |
| 102 | static void PUBLIC EplTimeruCbMs(unsigned long ulParameter_p); |
| 103 | |
| 104 | /***************************************************************************/ |
| 105 | /* */ |
| 106 | /* */ |
| 107 | /* C L A S S <Epl Userspace-Timermodule for Linux Kernel> */ |
| 108 | /* */ |
| 109 | /* */ |
| 110 | /***************************************************************************/ |
| 111 | // |
| 112 | // Description: Epl Userspace-Timermodule for Linux Kernel |
| 113 | // |
| 114 | // |
| 115 | /***************************************************************************/ |
| 116 | |
| 117 | //=========================================================================// |
| 118 | // // |
| 119 | // P U B L I C F U N C T I O N S // |
| 120 | // // |
| 121 | //=========================================================================// |
| 122 | |
| 123 | //--------------------------------------------------------------------------- |
| 124 | // |
| 125 | // Function: EplTimeruInit |
| 126 | // |
| 127 | // Description: function inits first instance |
| 128 | // |
| 129 | // Parameters: void |
| 130 | // |
| 131 | // Returns: tEplKernel = errorcode |
| 132 | // |
| 133 | // State: |
| 134 | // |
| 135 | //--------------------------------------------------------------------------- |
| 136 | |
| 137 | tEplKernel PUBLIC EplTimeruInit() |
| 138 | { |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 139 | tEplKernel Ret; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 140 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 141 | Ret = EplTimeruAddInstance(); |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 142 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 143 | return Ret; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 144 | } |
| 145 | |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 146 | //--------------------------------------------------------------------------- |
| 147 | // |
| 148 | // Function: EplTimeruAddInstance |
| 149 | // |
| 150 | // Description: function inits additional instance |
| 151 | // |
| 152 | // Parameters: void |
| 153 | // |
| 154 | // Returns: tEplKernel = errorcode |
| 155 | // |
| 156 | // State: |
| 157 | // |
| 158 | //--------------------------------------------------------------------------- |
| 159 | |
| 160 | tEplKernel PUBLIC EplTimeruAddInstance() |
| 161 | { |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 162 | tEplKernel Ret; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 163 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 164 | Ret = kEplSuccessful; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 165 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 166 | return Ret; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 167 | } |
| 168 | |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 169 | //--------------------------------------------------------------------------- |
| 170 | // |
| 171 | // Function: EplTimeruDelInstance |
| 172 | // |
| 173 | // Description: function deletes instance |
| 174 | // -> under Linux nothing to do |
| 175 | // -> no instance table needed |
| 176 | // |
| 177 | // Parameters: void |
| 178 | // |
| 179 | // Returns: tEplKernel = errorcode |
| 180 | // |
| 181 | // State: |
| 182 | // |
| 183 | //--------------------------------------------------------------------------- |
| 184 | |
| 185 | tEplKernel PUBLIC EplTimeruDelInstance() |
| 186 | { |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 187 | tEplKernel Ret; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 188 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 189 | Ret = kEplSuccessful; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 190 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 191 | return Ret; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 192 | } |
| 193 | |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 194 | //--------------------------------------------------------------------------- |
| 195 | // |
| 196 | // Function: EplTimeruSetTimerMs |
| 197 | // |
| 198 | // Description: function creates a timer and returns the corresponding handle |
| 199 | // |
| 200 | // Parameters: pTimerHdl_p = pointer to a buffer to fill in the handle |
| 201 | // ulTime_p = time for timer in ms |
| 202 | // Argument_p = argument for timer |
| 203 | // |
| 204 | // Returns: tEplKernel = errorcode |
| 205 | // |
| 206 | // State: |
| 207 | // |
| 208 | //--------------------------------------------------------------------------- |
| 209 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 210 | tEplKernel PUBLIC EplTimeruSetTimerMs(tEplTimerHdl * pTimerHdl_p, |
| 211 | unsigned long ulTime_p, |
| 212 | tEplTimerArg Argument_p) |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 213 | { |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 214 | tEplKernel Ret = kEplSuccessful; |
| 215 | tEplTimeruData *pData; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 216 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 217 | // check pointer to handle |
| 218 | if (pTimerHdl_p == NULL) { |
| 219 | Ret = kEplTimerInvalidHandle; |
| 220 | goto Exit; |
| 221 | } |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 222 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 223 | pData = (tEplTimeruData *) EPL_MALLOC(sizeof(tEplTimeruData)); |
| 224 | if (pData == NULL) { |
| 225 | Ret = kEplNoResource; |
| 226 | goto Exit; |
| 227 | } |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 228 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 229 | init_timer(&pData->m_Timer); |
| 230 | pData->m_Timer.function = EplTimeruCbMs; |
| 231 | pData->m_Timer.data = (unsigned long)pData; |
| 232 | pData->m_Timer.expires = jiffies + ulTime_p * HZ / 1000; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 233 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 234 | EPL_MEMCPY(&pData->TimerArgument, &Argument_p, sizeof(tEplTimerArg)); |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 235 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 236 | add_timer(&pData->m_Timer); |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 237 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 238 | *pTimerHdl_p = (tEplTimerHdl) pData; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 239 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 240 | Exit: |
| 241 | return Ret; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 242 | } |
| 243 | |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 244 | //--------------------------------------------------------------------------- |
| 245 | // |
| 246 | // Function: EplTimeruModifyTimerMs |
| 247 | // |
| 248 | // Description: function changes a timer and returns the corresponding handle |
| 249 | // |
| 250 | // Parameters: pTimerHdl_p = pointer to a buffer to fill in the handle |
| 251 | // ulTime_p = time for timer in ms |
| 252 | // Argument_p = argument for timer |
| 253 | // |
| 254 | // Returns: tEplKernel = errorcode |
| 255 | // |
| 256 | // State: |
| 257 | // |
| 258 | //--------------------------------------------------------------------------- |
| 259 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 260 | tEplKernel PUBLIC EplTimeruModifyTimerMs(tEplTimerHdl * pTimerHdl_p, |
| 261 | unsigned long ulTime_p, |
| 262 | tEplTimerArg Argument_p) |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 263 | { |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 264 | tEplKernel Ret = kEplSuccessful; |
| 265 | tEplTimeruData *pData; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 266 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 267 | // check pointer to handle |
| 268 | if (pTimerHdl_p == NULL) { |
| 269 | Ret = kEplTimerInvalidHandle; |
| 270 | goto Exit; |
| 271 | } |
| 272 | // check handle itself, i.e. was the handle initialized before |
| 273 | if (*pTimerHdl_p == 0) { |
| 274 | Ret = EplTimeruSetTimerMs(pTimerHdl_p, ulTime_p, Argument_p); |
| 275 | goto Exit; |
| 276 | } |
| 277 | pData = (tEplTimeruData *) * pTimerHdl_p; |
| 278 | if ((tEplTimeruData *) pData->m_Timer.data != pData) { |
| 279 | Ret = kEplTimerInvalidHandle; |
| 280 | goto Exit; |
| 281 | } |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 282 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 283 | mod_timer(&pData->m_Timer, (jiffies + ulTime_p * HZ / 1000)); |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 284 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 285 | // copy the TimerArg after the timer is restarted, |
| 286 | // so that a timer occured immediately before mod_timer |
| 287 | // won't use the new TimerArg and |
| 288 | // therefore the old timer cannot be distinguished from the new one. |
| 289 | // But if the new timer is too fast, it may get lost. |
| 290 | EPL_MEMCPY(&pData->TimerArgument, &Argument_p, sizeof(tEplTimerArg)); |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 291 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 292 | // check if timer is really running |
| 293 | if (timer_pending(&pData->m_Timer) == 0) { // timer is not running |
| 294 | // retry starting it |
| 295 | add_timer(&pData->m_Timer); |
| 296 | } |
| 297 | // set handle to pointer of tEplTimeruData |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 298 | // *pTimerHdl_p = (tEplTimerHdl) pData; |
| 299 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 300 | Exit: |
| 301 | return Ret; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 302 | } |
| 303 | |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 304 | //--------------------------------------------------------------------------- |
| 305 | // |
| 306 | // Function: EplTimeruDeleteTimer |
| 307 | // |
| 308 | // Description: function deletes a timer |
| 309 | // |
| 310 | // Parameters: pTimerHdl_p = pointer to a buffer to fill in the handle |
| 311 | // |
| 312 | // Returns: tEplKernel = errorcode |
| 313 | // |
| 314 | // State: |
| 315 | // |
| 316 | //--------------------------------------------------------------------------- |
| 317 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 318 | tEplKernel PUBLIC EplTimeruDeleteTimer(tEplTimerHdl * pTimerHdl_p) |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 319 | { |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 320 | tEplKernel Ret = kEplSuccessful; |
| 321 | tEplTimeruData *pData; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 322 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 323 | // check pointer to handle |
| 324 | if (pTimerHdl_p == NULL) { |
| 325 | Ret = kEplTimerInvalidHandle; |
| 326 | goto Exit; |
| 327 | } |
| 328 | // check handle itself, i.e. was the handle initialized before |
| 329 | if (*pTimerHdl_p == 0) { |
| 330 | Ret = kEplSuccessful; |
| 331 | goto Exit; |
| 332 | } |
| 333 | pData = (tEplTimeruData *) * pTimerHdl_p; |
| 334 | if ((tEplTimeruData *) pData->m_Timer.data != pData) { |
| 335 | Ret = kEplTimerInvalidHandle; |
| 336 | goto Exit; |
| 337 | } |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 338 | |
| 339 | /* if (del_timer(&pData->m_Timer) == 1) |
| 340 | { |
| 341 | kfree(pData); |
| 342 | } |
| 343 | */ |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 344 | // try to delete the timer |
| 345 | del_timer(&pData->m_Timer); |
| 346 | // free memory in any case |
| 347 | kfree(pData); |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 348 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 349 | // uninitialize handle |
| 350 | *pTimerHdl_p = 0; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 351 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 352 | Exit: |
| 353 | return Ret; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 354 | |
| 355 | } |
| 356 | |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 357 | //--------------------------------------------------------------------------- |
| 358 | // |
| 359 | // Function: EplTimeruIsTimerActive |
| 360 | // |
| 361 | // Description: checks if the timer referenced by the handle is currently |
| 362 | // active. |
| 363 | // |
| 364 | // Parameters: TimerHdl_p = handle of the timer to check |
| 365 | // |
| 366 | // Returns: BOOL = TRUE, if active; |
| 367 | // FALSE, otherwise |
| 368 | // |
| 369 | // State: |
| 370 | // |
| 371 | //--------------------------------------------------------------------------- |
| 372 | |
| 373 | BOOL PUBLIC EplTimeruIsTimerActive(tEplTimerHdl TimerHdl_p) |
| 374 | { |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 375 | BOOL fActive = FALSE; |
| 376 | tEplTimeruData *pData; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 377 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 378 | // check handle itself, i.e. was the handle initialized before |
| 379 | if (TimerHdl_p == 0) { // timer was not created yet, so it is not active |
| 380 | goto Exit; |
| 381 | } |
| 382 | pData = (tEplTimeruData *) TimerHdl_p; |
| 383 | if ((tEplTimeruData *) pData->m_Timer.data != pData) { // invalid timer |
| 384 | goto Exit; |
| 385 | } |
| 386 | // check if timer is running |
| 387 | if (timer_pending(&pData->m_Timer) == 0) { // timer is not running |
| 388 | goto Exit; |
| 389 | } |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 390 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 391 | fActive = TRUE; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 392 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 393 | Exit: |
| 394 | return fActive; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 395 | } |
| 396 | |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 397 | //=========================================================================// |
| 398 | // // |
| 399 | // P R I V A T E F U N C T I O N S // |
| 400 | // // |
| 401 | //=========================================================================// |
| 402 | |
| 403 | //--------------------------------------------------------------------------- |
| 404 | // |
| 405 | // Function: EplTimeruCbMs |
| 406 | // |
| 407 | // Description: function to process timer |
| 408 | // |
| 409 | // |
| 410 | // |
| 411 | // Parameters: lpParameter = pointer to structur of type tEplTimeruData |
| 412 | // |
| 413 | // |
| 414 | // Returns: (none) |
| 415 | // |
| 416 | // |
| 417 | // State: |
| 418 | // |
| 419 | //--------------------------------------------------------------------------- |
| 420 | static void PUBLIC EplTimeruCbMs(unsigned long ulParameter_p) |
| 421 | { |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 422 | tEplKernel Ret = kEplSuccessful; |
| 423 | tEplTimeruData *pData; |
| 424 | tEplEvent EplEvent; |
| 425 | tEplTimerEventArg TimerEventArg; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 426 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 427 | pData = (tEplTimeruData *) ulParameter_p; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 428 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 429 | // call event function |
| 430 | TimerEventArg.m_TimerHdl = (tEplTimerHdl) pData; |
| 431 | TimerEventArg.m_ulArg = pData->TimerArgument.m_ulArg; |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 432 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 433 | EplEvent.m_EventSink = pData->TimerArgument.m_EventSink; |
| 434 | EplEvent.m_EventType = kEplEventTypeTimer; |
| 435 | EPL_MEMSET(&EplEvent.m_NetTime, 0x00, sizeof(tEplNetTime)); |
| 436 | EplEvent.m_pArg = &TimerEventArg; |
| 437 | EplEvent.m_uiSize = sizeof(TimerEventArg); |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 438 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 439 | Ret = EplEventuPost(&EplEvent); |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 440 | |
Greg Kroah-Hartman | 833dfbe | 2008-12-19 17:11:52 -0800 | [diff] [blame] | 441 | // d.k. do not free memory, user has to call EplTimeruDeleteTimer() |
| 442 | //kfree(pData); |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 443 | |
| 444 | } |
| 445 | |
Daniel Krueger | 9d7164c | 2008-12-19 11:41:57 -0800 | [diff] [blame] | 446 | // EOF |