diff options
Diffstat (limited to 'src/itomutex.h')
-rw-r--r-- | src/itomutex.h | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/src/itomutex.h b/src/itomutex.h index 9c9d205..27ca125 100644 --- a/src/itomutex.h +++ b/src/itomutex.h | |||
@@ -7,10 +7,11 @@ namespace Bu | |||
7 | { | 7 | { |
8 | /** | 8 | /** |
9 | * Simple mutex wrapper. Currently this doesn't do anything extra for you | 9 | * Simple mutex wrapper. Currently this doesn't do anything extra for you |
10 | * except keep all of the functionality together in an OO sorta' way and keep | 10 | * except keep all of the functionality together in an OO sorta' way and |
11 | * you from having to worry about cleaning up your mutexes properly, or initing | 11 | * keep you from having to worry about cleaning up your mutexes properly, |
12 | * them. | 12 | * or initing them. |
13 | *@author Mike Buland | 13 | *@author Mike Buland |
14 | *@ingroup Threading | ||
14 | */ | 15 | */ |
15 | class ItoMutex | 16 | class ItoMutex |
16 | { | 17 | { |
@@ -23,33 +24,33 @@ namespace Bu | |||
23 | /** | 24 | /** |
24 | * Destroy a mutex. This can only be done when a mutex is unlocked. | 25 | * Destroy a mutex. This can only be done when a mutex is unlocked. |
25 | * Failure to unlock before destroying a mutex object could cause it to | 26 | * Failure to unlock before destroying a mutex object could cause it to |
26 | * wait for the mutex to unlock, the odds of which are usually farily low | 27 | * wait for the mutex to unlock, the odds of which are usually farily |
27 | * at deconstruction time. | 28 | * low at deconstruction time. |
28 | */ | 29 | */ |
29 | ~ItoMutex(); | 30 | ~ItoMutex(); |
30 | 31 | ||
31 | /** | 32 | /** |
32 | * Lock the mutex. This causes all future calls to lock on this instance | 33 | * Lock the mutex. This causes all future calls to lock on this |
33 | * of mutex to block until the first thread that called mutex unlocks it. | 34 | * instance of mutex to block until the first thread that called mutex |
34 | * At that point the next thread that called lock will get a chance to go | 35 | * unlocks it. At that point the next thread that called lock will get |
35 | * to work. Because of the nature of a mutex lock it is a very bad idea to | 36 | * a chance to go to work. Because of the nature of a mutex lock it is |
36 | * do any kind of serious or rather time consuming computation within a | 37 | * a very bad idea to do any kind of serious or rather time consuming |
37 | * locked section. This can cause thread-deadlock and your program may | 38 | * computation within a locked section. This can cause thread-deadlock |
38 | * hang. | 39 | * and your program may hang. |
39 | */ | 40 | */ |
40 | int lock(); | 41 | int lock(); |
41 | 42 | ||
42 | /** | 43 | /** |
43 | * Unlock the mutex. This allows the next thread that asked for a lock to | 44 | * Unlock the mutex. This allows the next thread that asked for a lock |
44 | * lock the mutex and continue with execution. | 45 | * to lock the mutex and continue with execution. |
45 | */ | 46 | */ |
46 | int unlock(); | 47 | int unlock(); |
47 | 48 | ||
48 | /** | 49 | /** |
49 | * Try to lock the mutex. This is the option to go with if you cannot avoid | 50 | * Try to lock the mutex. This is the option to go with if you cannot |
50 | * putting lengthy operations within a locked section. trylock will attempt | 51 | * avoid putting lengthy operations within a locked section. trylock |
51 | * to lock the mutex, if the mutex is already locked this function returns | 52 | * will attempt to lock the mutex, if the mutex is already locked this |
52 | * immediately with an error code. | 53 | * function returns immediately with an error code. |
53 | */ | 54 | */ |
54 | int trylock(); | 55 | int trylock(); |
55 | 56 | ||