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Overview
| Comment: | Fix a problem with SQLITE_OMIT_WAL builds. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
612b6d1b1f74eaf618520b90811eca10 |
| User & Date: | dan 2014-06-23 10:04:58 |
Context
|
2014-06-23
| ||
| 10:18 | Fix a problem with SQLITE_OMIT_WSD builds. check-in: 07dda49c user: dan tags: trunk | |
| 10:04 | Fix a problem with SQLITE_OMIT_WAL builds. check-in: 612b6d1b user: dan tags: trunk | |
|
2014-06-20
| ||
| 13:55 | Improved display of record data in the "NNNbd" output of the showdb.exe utility program. check-in: f735c249 user: drh tags: trunk | |
Changes
Changes to src/os_unix.c.
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#if HAVE_MREMAP
{ "mremap", (sqlite3_syscall_ptr)mremap, 0 },
#else
{ "mremap", (sqlite3_syscall_ptr)0, 0 },
#endif
#define osMremap ((void*(*)(void*,size_t,size_t,int,...))aSyscall[23].pCurrent)
#endif
{ "getpagesize", (sqlite3_syscall_ptr)unixGetpagesize, 0 },
#define osGetpagesize ((int(*)(void))aSyscall[24].pCurrent)
}; /* End of the overrideable system calls */
/*
** This is the xSetSystemCall() method of sqlite3_vfs for all of the
** "unix" VFSes. Return SQLITE_OK opon successfully updating the
** system call pointer, or SQLITE_NOTFOUND if there is no configurable
................................................................................
#endif
if( p->ctrlFlags & UNIXFILE_PSOW ){
rc |= SQLITE_IOCAP_POWERSAFE_OVERWRITE;
}
return rc;
}
#ifndef SQLITE_OMIT_WAL
/*
** Object used to represent an shared memory buffer.
**
** When multiple threads all reference the same wal-index, each thread
** has its own unixShm object, but they all point to a single instance
** of this unixShmNode object. In other words, each wal-index is opened
................................................................................
pShmNode->sharedMask, pShmNode->exclMask));
}
#endif
return rc;
}
/*
** Return the system page size.
**
** This function should not be called directly by other code in this file.
** Instead, it should be called via macro osGetpagesize().
*/
static int unixGetpagesize(void){
#if defined(_BSD_SOURCE)
return getpagesize();
#else
return (int)sysconf(_SC_PAGESIZE);
#endif
}
/*
** Return the minimum number of 32KB shm regions that should be mapped at
** a time, assuming that each mapping must be an integer multiple of the
** current system page-size.
**
** Usually, this is 1. The exception seems to be systems that are configured
** to use 64KB pages - in this case each mapping must cover at least two
|
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#if HAVE_MREMAP
{ "mremap", (sqlite3_syscall_ptr)mremap, 0 },
#else
{ "mremap", (sqlite3_syscall_ptr)0, 0 },
#endif
#define osMremap ((void*(*)(void*,size_t,size_t,int,...))aSyscall[23].pCurrent)
{ "getpagesize", (sqlite3_syscall_ptr)unixGetpagesize, 0 },
#define osGetpagesize ((int(*)(void))aSyscall[24].pCurrent)
#endif
}; /* End of the overrideable system calls */
/*
** This is the xSetSystemCall() method of sqlite3_vfs for all of the
** "unix" VFSes. Return SQLITE_OK opon successfully updating the
** system call pointer, or SQLITE_NOTFOUND if there is no configurable
................................................................................
#endif
if( p->ctrlFlags & UNIXFILE_PSOW ){
rc |= SQLITE_IOCAP_POWERSAFE_OVERWRITE;
}
return rc;
}
#if !defined(SQLITE_OMIT_WAL) || SQLITE_MAX_MMAP_SIZE>0
/*
** Return the system page size.
**
** This function should not be called directly by other code in this file.
** Instead, it should be called via macro osGetpagesize().
*/
static int unixGetpagesize(void){
#if defined(_BSD_SOURCE)
return getpagesize();
#else
return (int)sysconf(_SC_PAGESIZE);
#endif
}
#endif /* !defined(SQLITE_OMIT_WAL) || SQLITE_MAX_MMAP_SIZE>0 */
#ifndef SQLITE_OMIT_WAL
/*
** Object used to represent an shared memory buffer.
**
** When multiple threads all reference the same wal-index, each thread
** has its own unixShm object, but they all point to a single instance
** of this unixShmNode object. In other words, each wal-index is opened
................................................................................
pShmNode->sharedMask, pShmNode->exclMask));
}
#endif
return rc;
}
/*
** Return the minimum number of 32KB shm regions that should be mapped at
** a time, assuming that each mapping must be an integer multiple of the
** current system page-size.
**
** Usually, this is 1. The exception seems to be systems that are configured
** to use 64KB pages - in this case each mapping must cover at least two
|