Mercurial > dovecot > original-hg > dovecot-1.2
annotate src/lib-index/mail-hash.h @ 69:8cef827d2d79 HEAD
MailHashHeader is now 8-byte aligned. Fixed other header alignments too and
stored MEM_ALIGN_SIZE into compat_data[].
| author | Timo Sirainen <tss@iki.fi> |
|---|---|
| date | Wed, 28 Aug 2002 21:20:19 +0300 |
| parents | d493b9cc265e |
| children | e0f995ee5969 |
| rev | line source |
|---|---|
| 0 | 1 #ifndef __MAIL_HASH_H |
| 2 #define __MAIL_HASH_H | |
| 3 | |
| 4 typedef struct _MailHashHeader MailHashHeader; | |
| 5 typedef struct _MailHashRecord MailHashRecord; | |
| 6 | |
| 7 struct _MailHashHeader { | |
| 8 unsigned int indexid; | |
|
42
1ab58549429d
If hash file was rebuilt, other processes didn't notice that. Also added
Timo Sirainen <tss@iki.fi>
parents:
29
diff
changeset
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9 unsigned int updateid; |
| 0 | 10 unsigned int used_records; |
|
69
8cef827d2d79
MailHashHeader is now 8-byte aligned. Fixed other header alignments too and
Timo Sirainen <tss@iki.fi>
parents:
50
diff
changeset
|
11 |
|
8cef827d2d79
MailHashHeader is now 8-byte aligned. Fixed other header alignments too and
Timo Sirainen <tss@iki.fi>
parents:
50
diff
changeset
|
12 unsigned int alignment; |
| 0 | 13 }; |
| 14 | |
| 15 struct _MailHashRecord { | |
| 16 unsigned int uid; | |
|
50
d493b9cc265e
Introduced uoff_t which is the unsigned-equilevant of off_t. This was needed
Timo Sirainen <tss@iki.fi>
parents:
42
diff
changeset
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17 uoff_t position; |
| 0 | 18 }; |
| 19 | |
| 20 /* Open or create a hash file for index. If the hash needs to be created, | |
| 21 it's also immediately built from the given index. */ | |
| 22 int mail_hash_create(MailIndex *index); | |
| 23 int mail_hash_open_or_create(MailIndex *index); | |
| 24 | |
| 25 void mail_hash_free(MailHash *hash); | |
| 26 | |
| 27 /* Synchronize the hash file with memory map */ | |
| 28 int mail_hash_sync_file(MailHash *hash); | |
| 29 | |
|
29
e9375147c0cb
Added write_full() which is a simple wrapper around write() meant for
Timo Sirainen <tss@iki.fi>
parents:
0
diff
changeset
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30 /* Rebuild hash from index and reset the FLAG_REBUILD_HASH in header. |
| 0 | 31 The index must have an exclusive lock before this function is called. */ |
| 32 int mail_hash_rebuild(MailHash *hash); | |
| 33 | |
| 34 /* Returns position in index file to given UID, or 0 if not found. */ | |
|
50
d493b9cc265e
Introduced uoff_t which is the unsigned-equilevant of off_t. This was needed
Timo Sirainen <tss@iki.fi>
parents:
42
diff
changeset
|
35 uoff_t mail_hash_lookup_uid(MailHash *hash, unsigned int uid); |
| 0 | 36 |
| 37 /* Update hash file. If pos is 0, the record is deleted. This call may | |
| 38 rebuild the hash if it's too full. */ | |
|
50
d493b9cc265e
Introduced uoff_t which is the unsigned-equilevant of off_t. This was needed
Timo Sirainen <tss@iki.fi>
parents:
42
diff
changeset
|
39 void mail_hash_update(MailHash *hash, unsigned int uid, uoff_t pos); |
| 0 | 40 |
| 41 #endif |