Re: [PATCHES] ecpg sqlca.h bug
От | Bruce Momjian |
---|---|
Тема | Re: [PATCHES] ecpg sqlca.h bug |
Дата | |
Msg-id | 199911231927.OAA10251@candle.pha.pa.us обсуждение исходный текст |
Ответ на | ecpg sqlca.h bug (Rene Hogendoorn <hogend@nlr.nl>) |
Список | pgsql-bugs |
Applied to current source tree only. This will appear in 7.0. > ============================================================================ > POSTGRESQL BUG REPORT > ============================================================================ > > > Your name : Rene Hogendoorn > Your email address : hogend@nlr.nl > > > System Configuration > --------------------- > Architecture (example: Intel Pentium) : Dec alpha > > Operating System (example: Linux 2.0.26 ELF) : DUNIX 4.0f > > PostgreSQL version (example: PostgreSQL-6.5.3): PostgreSQL-6.5.3 > > Compiler used (example: gcc 2.8.0) : gcc 2.7.2.2 > > > Please enter a FULL description of your problem: > ------------------------------------------------ > > Compiling postgresql-6.5.3 on a Dec alpha DUNIX 4.0f with gcc fails > due to postgresql-6.5.3/src/include/storage/s_lock.h. > Basically, the '#if defined(__GNUC__)' assumes that glibc is used, > which is plain wrong on OSF. Patch below. > > > Please describe a way to repeat the problem. Please try to provide a > concise reproducible example, if at all possible: > ---------------------------------------------------------------------- > > > > > > If you know how this problem might be fixed, list the solution below: > --------------------------------------------------------------------- > > diff -c postgresql-6.5.3/src/include/storage/s_lock.h.orig postgresql-6.5.3/src/include/storage/s_lock.h > *** postgresql-6.5.3/src/include/storage/s_lock.h.orig Tue Nov 23 16:19:42 1999 > --- postgresql-6.5.3/src/include/storage/s_lock.h Tue Nov 23 16:15:47 1999 > *************** > *** 78,113 **** > * All the gcc inlines > */ > > - #if defined(__alpha__) > - #define TAS(lock) tas(lock) > - #define S_UNLOCK(lock) { __asm__("mb"); *(lock) = 0; } > - > - static __inline__ int > - tas(volatile slock_t *lock) > - { > - register slock_t _res; > - > - __asm__(" ldq $0, %0 \n\ > - bne $0, 3f \n\ > - ldq_l $0, %0 \n\ > - bne $0, 3f \n\ > - or $31, 1, $0 \n\ > - stq_c $0, %0 \n\ > - beq $0, 2f \n\ > - bis $31, $31, %1 \n\ > - mb \n\ > - jmp $31, 4f \n\ > - 2: or $31, 1, $0 \n\ > - 3: bis $0, $0, %1 \n\ > - 4: nop ": "=m"(*lock), "=r"(_res): :"0"); > - > - return (int) _res; > - } > - > - #endif /* __alpha__ */ > - > - > - > #if defined(__i386__) > #define TAS(lock) tas(lock) > > --- 78,83 ---- > *************** > *** 226,246 **** > * All non gcc > */ > > - #if defined(__alpha__) > - /* > - * OSF/1 (Alpha AXP) > - * > - * Note that slock_t on the Alpha AXP is msemaphore instead of char > - * (see storage/ipc.h). > - */ > - #define TAS(lock) (msem_lock((lock), MSEM_IF_NOWAIT) < 0) > - #define S_UNLOCK(lock) msem_unlock((lock), 0) > - #define S_INIT_LOCK(lock) msem_init((lock), MSEM_UNLOCKED) > - #define S_LOCK_FREE(lock) (!(lock)->msem_state) > - #endif /* __alpha__ */ > - > - > - > #if defined(NEED_I386_TAS_ASM) > /* non gcc i386 based things */ > > --- 196,201 ---- > *************** > *** 271,276 **** > --- 226,277 ---- > /************************************************************************* > * These are the platforms that have common code for gcc and non-gcc > */ > + > + #if defined(__alpha) > + > + #if defined(__osf__) > + /* > + * OSF/1 (Alpha AXP) > + * > + * Note that slock_t on the Alpha AXP is msemaphore instead of char > + * (see storage/ipc.h). > + */ > + #define TAS(lock) (msem_lock((lock), MSEM_IF_NOWAIT) < 0) > + #define S_UNLOCK(lock) msem_unlock((lock), 0) > + #define S_INIT_LOCK(lock) msem_init((lock), MSEM_UNLOCKED) > + #define S_LOCK_FREE(lock) (!(lock)->msem_state) > + > + #else /* i.e. not __osf__ */ > + > + #define TAS(lock) tas(lock) > + #define S_UNLOCK(lock) { __asm__("mb"); *(lock) = 0; } > + > + static __inline__ int > + tas(volatile slock_t *lock) > + { > + register slock_t _res; > + > + __asm__(" ldq $0, %0 \n\ > + bne $0, 3f \n\ > + ldq_l $0, %0 \n\ > + bne $0, 3f \n\ > + or $31, 1, $0 \n\ > + stq_c $0, %0 \n\ > + beq $0, 2f \n\ > + bis $31, $31, %1 \n\ > + mb \n\ > + jmp $31, 4f \n\ > + 2: or $31, 1, $0 \n\ > + 3: bis $0, $0, %1 \n\ > + 4: nop ": "=m"(*lock), "=r"(_res): :"0"); > + > + return (int) _res; > + } > + #endif /* __osf__ */ > + > + #endif /* __alpha */ > + > + > > #if defined(__hpux) > /* > > -- > > R. A. Hogendoorn E-mail: hogend@nlr.nl > Information and Communication Technology Division Tel. +31-527-24-8367 > National Aerospace Laboratory, The Netherlands Fax. +31-527-24-8210 > > ************ > > -- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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