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| Comment: | It is OK for a unix file descriptor to be zero. It just can't be negative. Adjust an assert accordingly. Ticket #3781. (CVS 6457) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
47aa7eb0e047e30bbf09cb08c1e48c61 |
| User & Date: | drh 2009-04-07 00:35:20 |
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2009-04-07
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| 00:43 | Always enable WHERE-tracing on a test build. Oops - accidentally included a debugging change to pragma.c in this check-in. The real fix for the pragma problem is in the following checking. (CVS 6458) (check-in: 567cf90b user: drh tags: trunk) | |
| 00:35 | It is OK for a unix file descriptor to be zero. It just can't be negative. Adjust an assert accordingly. Ticket #3781. (CVS 6457) (check-in: 47aa7eb0 user: drh tags: trunk) | |
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2009-04-06
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| 17:50 | Test cases and minor code changes to increase coverage of btree.c. (CVS 6456) (check-in: def3a016 user: danielk1977 tags: trunk) | |
Changes to src/os_unix.c.
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** * Definitions of sqlite3_io_methods objects for all locking ** methods plus "finder" functions for each locking method. ** * sqlite3_vfs method implementations. ** * Locking primitives for the proxy uber-locking-method. (MacOSX only) ** * Definitions of sqlite3_vfs objects for all locking methods ** plus implementations of sqlite3_os_init() and sqlite3_os_end(). ** ** $Id: os_unix.c,v 1.248 2009/03/30 07:39:35 danielk1977 Exp $ */ #include "sqliteInt.h" #if SQLITE_OS_UNIX /* This file is used on unix only */ /* ** There are various methods for file locking used for concurrency ** control: ................................................................................ static int unixOpen( sqlite3_vfs *pVfs, /* The VFS for which this is the xOpen method */ const char *zPath, /* Pathname of file to be opened */ sqlite3_file *pFile, /* The file descriptor to be filled in */ int flags, /* Input flags to control the opening */ int *pOutFlags /* Output flags returned to SQLite core */ ){ int fd = 0; /* File descriptor returned by open() */ int dirfd = -1; /* Directory file descriptor */ int openFlags = 0; /* Flags to pass to open() */ int eType = flags&0xFFFFFF00; /* Type of file to open */ int noLock; /* True to omit locking primitives */ int rc = SQLITE_OK; int isExclusive = (flags & SQLITE_OPEN_EXCLUSIVE); ................................................................................ #ifndef NDEBUG if( (flags & SQLITE_OPEN_MAIN_DB)!=0 ){ ((unixFile*)pFile)->isLockable = 1; } #endif assert(fd!=0); if( isOpenDirectory ){ rc = openDirectory(zPath, &dirfd); if( rc!=SQLITE_OK ){ close(fd); /* silently leak if fail, already in error */ return rc; } } |
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** * Definitions of sqlite3_io_methods objects for all locking ** methods plus "finder" functions for each locking method. ** * sqlite3_vfs method implementations. ** * Locking primitives for the proxy uber-locking-method. (MacOSX only) ** * Definitions of sqlite3_vfs objects for all locking methods ** plus implementations of sqlite3_os_init() and sqlite3_os_end(). ** ** $Id: os_unix.c,v 1.249 2009/04/07 00:35:20 drh Exp $ */ #include "sqliteInt.h" #if SQLITE_OS_UNIX /* This file is used on unix only */ /* ** There are various methods for file locking used for concurrency ** control: ................................................................................ static int unixOpen( sqlite3_vfs *pVfs, /* The VFS for which this is the xOpen method */ const char *zPath, /* Pathname of file to be opened */ sqlite3_file *pFile, /* The file descriptor to be filled in */ int flags, /* Input flags to control the opening */ int *pOutFlags /* Output flags returned to SQLite core */ ){ int fd = -1; /* File descriptor returned by open() */ int dirfd = -1; /* Directory file descriptor */ int openFlags = 0; /* Flags to pass to open() */ int eType = flags&0xFFFFFF00; /* Type of file to open */ int noLock; /* True to omit locking primitives */ int rc = SQLITE_OK; int isExclusive = (flags & SQLITE_OPEN_EXCLUSIVE); ................................................................................ #ifndef NDEBUG if( (flags & SQLITE_OPEN_MAIN_DB)!=0 ){ ((unixFile*)pFile)->isLockable = 1; } #endif assert( fd>=0 ); if( isOpenDirectory ){ rc = openDirectory(zPath, &dirfd); if( rc!=SQLITE_OK ){ close(fd); /* silently leak if fail, already in error */ return rc; } } |