SQLite: Check-in [bf576406]

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Overview

Comment:	Merge in trunk changes to os_unix.c that allow the code to build on unix platforms that lack posix_fallocate().
Downloads:	Tarball \| ZIP archive \| SQL archive
Timelines:	family \| ancestors \| descendants \| both \| nextgen-query-plan-exp
Files:	files \| file ages \| folders
SHA1:	bf5764067ab848e19e5971cbdf892c633495e325
User & Date:	drh 2013-06-19 23:48:35

Context

2013-06-20
14:17		Pull in the posix_fallocate() change from trunk. (check-in: d94db3fd user: drh tags: nextgen-query-plan-exp)
2013-06-19
23:48		Merge in trunk changes to os_unix.c that allow the code to build on unix platforms that lack posix_fallocate(). (check-in: bf576406 user: drh tags: nextgen-query-plan-exp)
18:01		Add in the cost of doing a table lookup on OR searches. Make test case changes to deal with difference in STAT3 behavior. (check-in: d97898e8 user: drh tags: nextgen-query-plan-exp)
14:49		Only default HAVE_POSIX_FALLOCATE on for linux, and then only if it is not previously defined. (check-in: 2b2ade92 user: drh tags: trunk)

Changes

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Changes to src/os_unix.c.

    44     44   **      plus implementations of sqlite3_os_init() and sqlite3_os_end().
    45     45   */
    46     46   #include "sqliteInt.h"
    47     47   #if SQLITE_OS_UNIX              /* This file is used on unix only */
    48     48   
    49     49   /* Use posix_fallocate() if it is available
    50     50   */
    51         -#if !defined(HAVE_POSIX_FALLOCATE) \
    52         -      && (_XOPEN_SOURCE >= 600 || _POSIX_C_SOURCE >= 200112L)
           51  +#if !defined(HAVE_POSIX_FALLOCATE) && defined(__linux__)
    53     52   # define HAVE_POSIX_FALLOCATE 1
    54     53   #endif
    55     54   
    56     55   /*
    57     56   ** There are various methods for file locking used for concurrency
    58     57   ** control:
    59     58   **