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Overview
Comment: | Add the SQLITE_MINIMUM_FILE_DESCRIPTOR compile-time option, for control over exactly which low-numbered file descriptors SQLite will use. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
ba5190534330a25722eeb7ea9c42da7a |
User & Date: | drh 2013-08-30 14:24:12.062 |
Context
2013-08-30
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17:35 | If the cost of two whereLoop objects is the same in every way except that one has fewer expected output rows than the other, then choose the one with fewer output rows. (check-in: 79e458ef7a user: drh tags: trunk) | |
14:24 | Add the SQLITE_MINIMUM_FILE_DESCRIPTOR compile-time option, for control over exactly which low-numbered file descriptors SQLite will use. (check-in: ba51905343 user: drh tags: trunk) | |
13:29 | Add a test for fts4 unicode61 option remove_diacritics=0. (check-in: 6bf7ae6ff6 user: dan tags: trunk) | |
Changes
Changes to src/os_unix.c.
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547 548 549 550 551 552 553 554 555 556 557 558 559 560 | } for(i++; i<ArraySize(aSyscall); i++){ if( aSyscall[i].pCurrent!=0 ) return aSyscall[i].zName; } return 0; } /* ** Invoke open(). Do so multiple times, until it either succeeds or ** fails for some reason other than EINTR. ** ** If the file creation mode "m" is 0 then set it to the default for ** SQLite. The default is SQLITE_DEFAULT_FILE_PERMISSIONS (normally ** 0644) as modified by the system umask. If m is not 0, then | > > > > > > > > > | 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 | } for(i++; i<ArraySize(aSyscall); i++){ if( aSyscall[i].pCurrent!=0 ) return aSyscall[i].zName; } return 0; } /* ** Do not accept any file descriptor less than this value, in order to avoid ** opening database file using file descriptors that are commonly used for ** standard input, output, and error. */ #ifndef SQLITE_MINIMUM_FILE_DESCRIPTOR # define SQLITE_MINIMUM_FILE_DESCRIPTOR 3 #endif /* ** Invoke open(). Do so multiple times, until it either succeeds or ** fails for some reason other than EINTR. ** ** If the file creation mode "m" is 0 then set it to the default for ** SQLite. The default is SQLITE_DEFAULT_FILE_PERMISSIONS (normally ** 0644) as modified by the system umask. If m is not 0, then |
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577 578 579 580 581 582 583 | #else fd = osOpen(z,f,m2); #endif if( fd<0 ){ if( errno==EINTR ) continue; break; } | | | 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 | #else fd = osOpen(z,f,m2); #endif if( fd<0 ){ if( errno==EINTR ) continue; break; } if( fd>=SQLITE_MINIMUM_FILE_DESCRIPTOR ) break; osClose(fd); sqlite3_log(SQLITE_WARNING, "attempt to open \"%s\" as file descriptor %d", z, fd); fd = -1; if( osOpen("/dev/null", f, m)<0 ) break; } if( fd>=0 ){ |
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