00001
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025
00026
00027 #ifndef _LOWLEVELLOCK_H
00028 #define _LOWLEVELLOCK_H 1
00029
00030
00031
00032
00033 #include "tls-simple.h"
00034
00035 #ifndef LOCK_INSTR
00036 # ifdef UP
00037 # define LOCK_INSTR
00038 # else
00039 # define LOCK_INSTR "lock;"
00040 # endif
00041 #endif
00042
00043 #define SYS_futex 240
00044 #define FUTEX_WAIT 0
00045 #define FUTEX_WAKE 1
00046 #define FUTEX_LOCK_PI 6
00047 #define FUTEX_UNLOCK_PI 7
00048 #define FUTEX_TRYLOCK_PI 8
00049
00050
00051
00052 #define LLL_MUTEX_LOCK_INITIALIZER (0)
00053 #define LLL_MUTEX_LOCK_INITIALIZER_LOCKED (1)
00054 #define LLL_MUTEX_LOCK_INITIALIZER_WAITERS (2)
00055
00056
00057 #ifdef PIC
00058 # define LLL_EBX_LOAD "xchgl %2, %%ebx\n"
00059 # define LLL_EBX_REG "D"
00060 #else
00061 # define LLL_EBX_LOAD
00062 # define LLL_EBX_REG "b"
00063 #endif
00064
00065 #ifdef I386_USE_SYSENTER
00066 # ifdef SHARED
00067 # define LLL_ENTER_KERNEL "call *%%gs:%P6\n\t"
00068 # else
00069 # define LLL_ENTER_KERNEL "call *_dl_sysinfo\n\t"
00070 # endif
00071 #else
00072 # define LLL_ENTER_KERNEL "int $0x80\n\t"
00073 #endif
00074
00075
00076 #define BUSY_WAIT_NOP asm ("rep; nop")
00077
00078
00079 #define LLL_STUB_UNWIND_INFO_START \
00080 ".section .eh_frame,\"a\",@progbits\n" \
00081 "5:\t" ".long 7f-6f # Length of Common Information Entry\n" \
00082 "6:\t" ".long 0x0 # CIE Identifier Tag\n\t" \
00083 ".byte 0x1 # CIE Version\n\t" \
00084 ".ascii \"zR\\0\" # CIE Augmentation\n\t" \
00085 ".uleb128 0x1 # CIE Code Alignment Factor\n\t" \
00086 ".sleb128 -4 # CIE Data Alignment Factor\n\t" \
00087 ".byte 0x8 # CIE RA Column\n\t" \
00088 ".uleb128 0x1 # Augmentation size\n\t" \
00089 ".byte 0x1b # FDE Encoding (pcrel sdata4)\n\t" \
00090 ".byte 0xc # DW_CFA_def_cfa\n\t" \
00091 ".uleb128 0x4\n\t" \
00092 ".uleb128 0x0\n\t" \
00093 ".align 4\n" \
00094 "7:\t" ".long 17f-8f # FDE Length\n" \
00095 "8:\t" ".long 8b-5b # FDE CIE offset\n\t" \
00096 ".long 1b-. # FDE initial location\n\t" \
00097 ".long 4b-1b # FDE address range\n\t" \
00098 ".uleb128 0x0 # Augmentation size\n\t" \
00099 ".byte 0x16 # DW_CFA_val_expression\n\t" \
00100 ".uleb128 0x8\n\t" \
00101 ".uleb128 10f-9f\n" \
00102 "9:\t" ".byte 0x78 # DW_OP_breg8\n\t" \
00103 ".sleb128 3b-1b\n"
00104 #define LLL_STUB_UNWIND_INFO_END \
00105 ".byte 0x16 # DW_CFA_val_expression\n\t" \
00106 ".uleb128 0x8\n\t" \
00107 ".uleb128 12f-11f\n" \
00108 "11:\t" ".byte 0x78 # DW_OP_breg8\n\t" \
00109 ".sleb128 3b-2b\n" \
00110 "12:\t" ".byte 0x40 + (3b-2b-1) # DW_CFA_advance_loc\n\t" \
00111 ".byte 0x16 # DW_CFA_val_expression\n\t" \
00112 ".uleb128 0x8\n\t" \
00113 ".uleb128 16f-13f\n" \
00114 "13:\t" ".byte 0x78 # DW_OP_breg8\n\t" \
00115 ".sleb128 15f-14f\n\t" \
00116 ".byte 0x0d # DW_OP_const4s\n" \
00117 "14:\t" ".4byte 3b-.\n\t" \
00118 ".byte 0x1c # DW_OP_minus\n\t" \
00119 ".byte 0x0d # DW_OP_const4s\n" \
00120 "15:\t" ".4byte 18f-.\n\t" \
00121 ".byte 0x22 # DW_OP_plus\n" \
00122 "16:\t" ".align 4\n" \
00123 "17:\t" ".previous\n"
00124
00125
00126
00127
00128
00129
00130
00131 #define LLL_STUB_UNWIND_INFO_3 \
00132 LLL_STUB_UNWIND_INFO_START \
00133 "10:\t" ".byte 0x40 + (2b-1b) # DW_CFA_advance_loc\n\t" \
00134 LLL_STUB_UNWIND_INFO_END
00135
00136
00137
00138
00139
00140
00141
00142
00143 #define LLL_STUB_UNWIND_INFO_4 \
00144 LLL_STUB_UNWIND_INFO_START \
00145 "10:\t" ".byte 0x40 + (0b-1b) # DW_CFA_advance_loc\n\t" \
00146 ".byte 0x16 # DW_CFA_val_expression\n\t" \
00147 ".uleb128 0x8\n\t" \
00148 ".uleb128 20f-19f\n" \
00149 "19:\t" ".byte 0x78 # DW_OP_breg8\n\t" \
00150 ".sleb128 3b-0b\n" \
00151 "20:\t" ".byte 0x40 + (2b-0b) # DW_CFA_advance_loc\n\t" \
00152 LLL_STUB_UNWIND_INFO_END
00153
00154
00155 #define lll_futex_wait(futex, val) \
00156 ({ \
00157 int __status; \
00158 register __typeof (val) _val asm ("edx") = (val); \
00159 __asm __volatile (LLL_EBX_LOAD \
00160 LLL_ENTER_KERNEL \
00161 LLL_EBX_LOAD \
00162 : "=a" (__status) \
00163 : "0" (SYS_futex), LLL_EBX_REG (futex), "S" (0), \
00164 "c" (FUTEX_WAIT), "d" (_val), \
00165 "i" (offsetof (tcbhead_t, sysinfo)) \
00166 : "memory"); \
00167 __status; \
00168 })
00169
00170
00171 #define lll_futex_timed_wait(futex, val, timeout) \
00172 ({ \
00173 int __status; \
00174 register __typeof (val) _val asm ("edx") = (val); \
00175 __asm __volatile (LLL_EBX_LOAD \
00176 LLL_ENTER_KERNEL \
00177 LLL_EBX_LOAD \
00178 : "=a" (__status) \
00179 : "0" (SYS_futex), LLL_EBX_REG (futex), "S" (timeout), \
00180 "c" (FUTEX_WAIT), "d" (_val), \
00181 "i" (offsetof (tcbhead_t, sysinfo)) \
00182 : "memory"); \
00183 __status; \
00184 })
00185
00186
00187 #define lll_futex_wake(futex, nr) \
00188 do { \
00189 int __ignore; \
00190 register __typeof (nr) _nr asm ("edx") = (nr); \
00191 __asm __volatile (LLL_EBX_LOAD \
00192 LLL_ENTER_KERNEL \
00193 LLL_EBX_LOAD \
00194 : "=a" (__ignore) \
00195 : "0" (SYS_futex), LLL_EBX_REG (futex), \
00196 "c" (FUTEX_WAKE), "d" (_nr), \
00197 "i" (0) , \
00198 "i" (offsetof (tcbhead_t, sysinfo))); \
00199 } while (0)
00200
00201
00202
00203 extern int __lll_mutex_lock_wait (int val, int *__futex)
00204 __attribute ((regparm (2))) ;
00205
00206 extern int __lll_mutex_timedlock_wait (int val, int *__futex,
00207 const struct timespec *abstime)
00208 __attribute ((regparm (3))) ;
00209
00210 extern int __lll_mutex_unlock_wake (int *__futex)
00211 __attribute ((regparm (1))) ;
00212
00213
00214
00215
00216
00217
00218
00219 #define lll_mutex_trylock(futex) \
00220 ({ int ret; \
00221 __asm __volatile (LOCK_INSTR "cmpxchgl %2, %1" \
00222 : "=a" (ret), "=m" (futex) \
00223 : "r" (LLL_MUTEX_LOCK_INITIALIZER_LOCKED), "m" (futex),\
00224 "0" (LLL_MUTEX_LOCK_INITIALIZER) \
00225 : "memory"); \
00226 ret; })
00227
00228
00229 #define lll_robust_mutex_trylock(futex, id) \
00230 ({ int ret; \
00231 __asm __volatile (LOCK_INSTR "cmpxchgl %2, %1" \
00232 : "=a" (ret), "=m" (futex) \
00233 : "r" (id), "m" (futex), \
00234 "0" (LLL_MUTEX_LOCK_INITIALIZER) \
00235 : "memory"); \
00236 ret; })
00237
00238
00239 #define lll_mutex_cond_trylock(futex) \
00240 ({ int ret; \
00241 __asm __volatile (LOCK_INSTR "cmpxchgl %2, %1" \
00242 : "=a" (ret), "=m" (futex) \
00243 : "r" (LLL_MUTEX_LOCK_INITIALIZER_WAITERS), \
00244 "m" (futex), "0" (LLL_MUTEX_LOCK_INITIALIZER) \
00245 : "memory"); \
00246 ret; })
00247
00248
00249 #define lll_mutex_lock(futex) \
00250 (void) ({ int ignore1, ignore2; \
00251 __asm __volatile (LOCK_INSTR "cmpxchgl %1, %2\n\t" \
00252 "jnz _L_mutex_lock_%=\n\t" \
00253 ".subsection 1\n\t" \
00254 ".type _L_mutex_lock_%=,@function\n" \
00255 "_L_mutex_lock_%=:\n" \
00256 "1:\tleal %2, %%ecx\n" \
00257 "2:\tcall __lll_mutex_lock_wait\n" \
00258 "3:\tjmp 18f\n" \
00259 "4:\t.size _L_mutex_lock_%=, 4b-1b\n\t" \
00260 ".previous\n" \
00261 LLL_STUB_UNWIND_INFO_3 \
00262 "18:" \
00263 : "=a" (ignore1), "=c" (ignore2), "=m" (futex) \
00264 : "0" (0), "1" (1), "m" (futex) \
00265 : "memory"); })
00266
00267
00268 #define lll_robust_mutex_lock(futex, id) \
00269 ({ int result, ignore; \
00270 __asm __volatile (LOCK_INSTR "cmpxchgl %1, %2\n\t" \
00271 "jnz _L_robust_mutex_lock_%=\n\t" \
00272 ".subsection 1\n\t" \
00273 ".type _L_robust_mutex_lock_%=,@function\n" \
00274 "_L_robust_mutex_lock_%=:\n" \
00275 "1:\tleal %2, %%ecx\n" \
00276 "2:\tcall __lll_robust_mutex_lock_wait\n" \
00277 "3:\tjmp 18f\n" \
00278 "4:\t.size _L_robust_mutex_lock_%=, 4b-1b\n\t" \
00279 ".previous\n" \
00280 LLL_STUB_UNWIND_INFO_3 \
00281 "18:" \
00282 : "=a" (result), "=c" (ignore), "=m" (futex) \
00283 : "0" (0), "1" (id), "m" (futex) \
00284 : "memory"); \
00285 result; })
00286
00287
00288
00289
00290 #define lll_mutex_cond_lock(futex) \
00291 (void) ({ int ignore1, ignore2; \
00292 __asm __volatile (LOCK_INSTR "cmpxchgl %1, %2\n\t" \
00293 "jnz _L_mutex_cond_lock_%=\n\t" \
00294 ".subsection 1\n\t" \
00295 ".type _L_mutex_cond_lock_%=,@function\n" \
00296 "_L_mutex_cond_lock_%=:\n" \
00297 "1:\tleal %2, %%ecx\n" \
00298 "2:\tcall __lll_mutex_lock_wait\n" \
00299 "3:\tjmp 18f\n" \
00300 "4:\t.size _L_mutex_cond_lock_%=, 4b-1b\n\t" \
00301 ".previous\n" \
00302 LLL_STUB_UNWIND_INFO_3 \
00303 "18:" \
00304 : "=a" (ignore1), "=c" (ignore2), "=m" (futex) \
00305 : "0" (0), "1" (2), "m" (futex) \
00306 : "memory"); })
00307
00308
00309 #define lll_robust_mutex_cond_lock(futex, id) \
00310 ({ int result, ignore; \
00311 __asm __volatile (LOCK_INSTR "cmpxchgl %1, %2\n\t" \
00312 "jnz _L_robust_mutex_cond_lock_%=\n\t" \
00313 ".subsection 1\n\t" \
00314 ".type _L_robust_mutex_cond_lock_%=,@function\n" \
00315 "_L_robust_mutex_cond_lock_%=:\n" \
00316 "1:\tleal %2, %%ecx\n" \
00317 "2:\tcall __lll_robust_mutex_lock_wait\n" \
00318 "3:\tjmp 18f\n" \
00319 "4:\t.size _L_robust_mutex_cond_lock_%=, 4b-1b\n\t" \
00320 ".previous\n" \
00321 LLL_STUB_UNWIND_INFO_3 \
00322 "18:" \
00323 : "=a" (result), "=c" (ignore), "=m" (futex) \
00324 : "0" (0), "1" (id | FUTEX_WAITERS), "m" (futex) \
00325 : "memory"); \
00326 result; })
00327
00328
00329 #define lll_mutex_timedlock(futex, timeout) \
00330 ({ int result, ignore1, ignore2; \
00331 __asm __volatile (LOCK_INSTR "cmpxchgl %1, %3\n\t" \
00332 "jnz _L_mutex_timedlock_%=\n\t" \
00333 ".subsection 1\n\t" \
00334 ".type _L_mutex_timedlock_%=,@function\n" \
00335 "_L_mutex_timedlock_%=:\n" \
00336 "1:\tleal %3, %%ecx\n" \
00337 "0:\tmovl %7, %%edx\n" \
00338 "2:\tcall __lll_mutex_timedlock_wait\n" \
00339 "3:\tjmp 18f\n" \
00340 "4:\t.size _L_mutex_timedlock_%=, 4b-1b\n\t" \
00341 ".previous\n" \
00342 LLL_STUB_UNWIND_INFO_4 \
00343 "18:" \
00344 : "=a" (result), "=c" (ignore1), "=&d" (ignore2), \
00345 "=m" (futex) \
00346 : "0" (0), "1" (1), "m" (futex), "m" (timeout) \
00347 : "memory"); \
00348 result; })
00349
00350
00351 #define lll_robust_mutex_timedlock(futex, timeout, id) \
00352 ({ int result, ignore1, ignore2; \
00353 __asm __volatile (LOCK_INSTR "cmpxchgl %1, %3\n\t" \
00354 "jnz _L_robust_mutex_timedlock_%=\n\t" \
00355 ".subsection 1\n\t" \
00356 ".type _L_robust_mutex_timedlock_%=,@function\n" \
00357 "_L_robust_mutex_timedlock_%=:\n" \
00358 "1:\tleal %3, %%ecx\n" \
00359 "0:\tmovl %7, %%edx\n" \
00360 "2:\tcall __lll_robust_mutex_timedlock_wait\n" \
00361 "3:\tjmp 18f\n" \
00362 "4:\t.size _L_robust_mutex_timedlock_%=, 4b-1b\n\t" \
00363 ".previous\n" \
00364 LLL_STUB_UNWIND_INFO_4 \
00365 "18:" \
00366 : "=a" (result), "=c" (ignore1), "=&d" (ignore2), \
00367 "=m" (futex) \
00368 : "0" (0), "1" (id), "m" (futex), "m" (timeout) \
00369 : "memory"); \
00370 result; })
00371
00372
00373 #define lll_mutex_unlock(futex) \
00374 (void) ({ int ignore; \
00375 __asm __volatile (LOCK_INSTR "subl $1, %0\n\t" \
00376 "jne _L_mutex_unlock_%=\n\t" \
00377 ".subsection 1\n\t" \
00378 ".type _L_mutex_unlock_%=,@function\n" \
00379 "_L_mutex_unlock_%=:\n" \
00380 "1:\tleal %0, %%eax\n" \
00381 "2:\tcall __lll_mutex_unlock_wake\n" \
00382 "3:\tjmp 18f\n" \
00383 "4:\t.size _L_mutex_unlock_%=, 4b-1b\n\t" \
00384 ".previous\n" \
00385 LLL_STUB_UNWIND_INFO_3 \
00386 "18:" \
00387 : "=m" (futex), "=&a" (ignore) \
00388 : "m" (futex) \
00389 : "memory"); })
00390
00391
00392 #define lll_robust_mutex_unlock(futex) \
00393 (void) ({ int ignore; \
00394 __asm __volatile (LOCK_INSTR "andl %2, %0\n\t" \
00395 "jne _L_robust_mutex_unlock_%=\n\t" \
00396 ".subsection 1\n\t" \
00397 ".type _L_robust_mutex_unlock_%=,@function\n" \
00398 "_L_robust_mutex_unlock_%=:\n\t" \
00399 "1:\tleal %0, %%eax\n" \
00400 "2:\tcall __lll_mutex_unlock_wake\n" \
00401 "3:\tjmp 18f\n" \
00402 "4:\t.size _L_robust_mutex_unlock_%=, 4b-1b\n\t"\
00403 ".previous\n" \
00404 LLL_STUB_UNWIND_INFO_3 \
00405 "18:" \
00406 : "=m" (futex), "=&a" (ignore) \
00407 : "i" (FUTEX_WAITERS), "m" (futex) \
00408 : "memory"); })
00409
00410
00411 #define lll_robust_mutex_dead(futex) \
00412 (void) ({ int __ignore; \
00413 register int _nr asm ("edx") = 1; \
00414 __asm __volatile (LOCK_INSTR "orl %5, (%2)\n\t" \
00415 LLL_EBX_LOAD \
00416 LLL_ENTER_KERNEL \
00417 LLL_EBX_LOAD \
00418 : "=a" (__ignore) \
00419 : "0" (SYS_futex), LLL_EBX_REG (&(futex)), \
00420 "c" (FUTEX_WAKE), "d" (_nr), \
00421 "i" (FUTEX_OWNER_DIED), \
00422 "i" (offsetof (tcbhead_t, sysinfo))); })
00423
00424
00425 #define lll_futex_wake(futex, nr) \
00426 do { \
00427 int __ignore; \
00428 register __typeof (nr) _nr asm ("edx") = (nr); \
00429 __asm __volatile (LLL_EBX_LOAD \
00430 LLL_ENTER_KERNEL \
00431 LLL_EBX_LOAD \
00432 : "=a" (__ignore) \
00433 : "0" (SYS_futex), LLL_EBX_REG (futex), \
00434 "c" (FUTEX_WAKE), "d" (_nr), \
00435 "i" (0) , \
00436 "i" (offsetof (tcbhead_t, sysinfo))); \
00437 } while (0)
00438
00439
00440 #define lll_mutex_islocked(futex) \
00441 (futex != 0)
00442
00443
00444
00445
00446
00447
00448 typedef int lll_lock_t;
00449
00450
00451 #define LLL_LOCK_INITIALIZER (0)
00452 #define LLL_LOCK_INITIALIZER_LOCKED (1)
00453
00454
00455 extern int __lll_lock_wait (int val, int *__futex)
00456 __attribute ((regparm (2))) ;
00457 extern int __lll_unlock_wake (int *__futex)
00458 __attribute ((regparm (1))) ;
00459 extern int lll_unlock_wake_cb (int *__futex) ;
00460
00461
00462
00463
00464
00465
00466
00467
00468 #if defined NOT_IN_libc || defined UP
00469 # define lll_trylock(futex) lll_mutex_trylock (futex)
00470 # define lll_lock(futex) lll_mutex_lock (futex)
00471 # define lll_unlock(futex) lll_mutex_unlock (futex)
00472 #else
00473
00474
00475
00476
00477
00478
00479 # define lll_trylock(futex) \
00480 ({ unsigned char ret; \
00481 __asm __volatile ("cmpl $0, %%gs:%P5\n\t" \
00482 "je 0f\n\t" \
00483 "lock\n" \
00484 "0:\tcmpxchgl %2, %1; setne %0" \
00485 : "=a" (ret), "=m" (futex) \
00486 : "r" (LLL_MUTEX_LOCK_INITIALIZER_LOCKED), "m" (futex),\
00487 "0" (LLL_MUTEX_LOCK_INITIALIZER), \
00488 "i" (offsetof (tcbhead_t, multiple_threads)) \
00489 : "memory"); \
00490 ret; })
00491
00492
00493 # define lll_lock(futex) \
00494 (void) ({ int ignore1, ignore2; \
00495 __asm __volatile ("cmpl $0, %%gs:%P6\n\t" \
00496 "je 0f\n\t" \
00497 "lock\n" \
00498 "0:\tcmpxchgl %1, %2\n\t" \
00499 "jnz _L_lock_%=\n\t" \
00500 ".subsection 1\n\t" \
00501 ".type _L_lock_%=,@function\n" \
00502 "_L_lock_%=:\n" \
00503 "1:\tleal %2, %%ecx\n" \
00504 "2:\tcall __lll_mutex_lock_wait\n" \
00505 "3:\tjmp 18f\n" \
00506 "4:\t.size _L_lock_%=, 4b-1b\n\t" \
00507 ".previous\n" \
00508 LLL_STUB_UNWIND_INFO_3 \
00509 "18:" \
00510 : "=a" (ignore1), "=c" (ignore2), "=m" (futex) \
00511 : "0" (0), "1" (1), "m" (futex), \
00512 "i" (offsetof (tcbhead_t, multiple_threads)) \
00513 : "memory"); })
00514
00515
00516 # define lll_unlock(futex) \
00517 (void) ({ int ignore; \
00518 __asm __volatile ("cmpl $0, %%gs:%P3\n\t" \
00519 "je 0f\n\t" \
00520 "lock\n" \
00521 "0:\tsubl $1,%0\n\t" \
00522 "jne _L_unlock_%=\n\t" \
00523 ".subsection 1\n\t" \
00524 ".type _L_unlock_%=,@function\n" \
00525 "_L_unlock_%=:\n" \
00526 "1:\tleal %0, %%eax\n" \
00527 "2:\tcall __lll_mutex_unlock_wake\n" \
00528 "3:\tjmp 18f\n\t" \
00529 "4:\t.size _L_unlock_%=, 4b-1b\n\t" \
00530 ".previous\n" \
00531 LLL_STUB_UNWIND_INFO_3 \
00532 "18:" \
00533 : "=m" (futex), "=&a" (ignore) \
00534 : "m" (futex), \
00535 "i" (offsetof (tcbhead_t, multiple_threads)) \
00536 : "memory"); })
00537 #endif
00538
00539
00540 #define lll_islocked(futex) \
00541 (futex != LLL_LOCK_INITIALIZER)
00542
00543
00544
00545
00546
00547
00548
00549
00550 #define lll_wait_tid(tid) \
00551 do { \
00552 int __ignore; \
00553 register __typeof (tid) _tid asm ("edx") = (tid); \
00554 if (_tid != 0) \
00555 __asm __volatile (LLL_EBX_LOAD \
00556 "1:\tmovl %1, %%eax\n\t" \
00557 LLL_ENTER_KERNEL \
00558 "cmpl $0, (%%ebx)\n\t" \
00559 "jne 1b\n\t" \
00560 LLL_EBX_LOAD \
00561 : "=&a" (__ignore) \
00562 : "i" (SYS_futex), LLL_EBX_REG (&tid), "S" (0), \
00563 "c" (FUTEX_WAIT), "d" (_tid), \
00564 "i" (offsetof (tcbhead_t, sysinfo)) \
00565 : "memory"); \
00566 } while (0)
00567
00568 extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime)
00569 __attribute__ ((regparm (2))) ;
00570 #define lll_timedwait_tid(tid, abstime) \
00571 ({ \
00572 int __result = 0; \
00573 if (tid != 0) \
00574 { \
00575 if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000) \
00576 __result = EINVAL; \
00577 else \
00578 __result = __lll_timedwait_tid (&tid, abstime); \
00579 } \
00580 __result; })
00581
00582
00583
00584
00585 extern void __lll_cond_wait (pthread_cond_t *cond)
00586 __attribute ((regparm (1))) ;
00587 extern int __lll_cond_timedwait (pthread_cond_t *cond,
00588 const struct timespec *abstime)
00589 __attribute ((regparm (2))) ;
00590 extern void __lll_cond_wake (pthread_cond_t *cond)
00591 __attribute ((regparm (1))) ;
00592 extern void __lll_cond_broadcast (pthread_cond_t *cond)
00593 __attribute ((regparm (1))) ;
00594
00595
00596 #define lll_cond_wait(cond) \
00597 __lll_cond_wait (cond)
00598 #define lll_cond_timedwait(cond, abstime) \
00599 __lll_cond_timedwait (cond, abstime)
00600 #define lll_cond_wake(cond) \
00601 __lll_cond_wake (cond)
00602 #define lll_cond_broadcast(cond) \
00603 __lll_cond_broadcast (cond)
00604
00605
00606 #endif
