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Add comments for thread-local storage functions

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This commit is contained in:
Nick Mathewson 2015-08-17 13:36:56 -04:00
parent 9ec94f1d22
commit e8fe77530a
1 changed files with 17 additions and 0 deletions
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17
src/common/compat_threads.h
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@ -119,9 +119,26 @@ typedef struct tor_threadlocal_s {
#endif
} tor_threadlocal_t;
/** Initialize a thread-local variable.
*
* After you call this function on a tor_threadlocal_t, you can call
* tor_threadlocal_set to change the current value of this variable for the
* current thread, and tor_threadlocal_get to retrieve the current value for
* the current thread. Each thread has its own value.
**/
int tor_threadlocal_init(tor_threadlocal_t *threadlocal);
/**
* Release all resource associated with a thread-local variable.
*/
void tor_threadlocal_destroy(tor_threadlocal_t *threadlocal);
/**
* Return the current value of a thread-local variable for this thread.
*/
void *tor_threadlocal_get(tor_threadlocal_t *threadlocal);
/**
* Change the current value of a thread-local variable for this thread to
* <b>value</b>.
*/
void tor_threadlocal_set(tor_threadlocal_t *threadlocal, void *value);
#endif