diff options
Diffstat (limited to 'src/common/compat_threads.h')
| -rw-r--r-- | src/common/compat_threads.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/common/compat_threads.h b/src/common/compat_threads.h index acf3083f37..71562ba3ef 100644 --- a/src/common/compat_threads.h +++ b/src/common/compat_threads.h @@ -111,5 +111,41 @@ typedef struct alert_sockets_s { int alert_sockets_create(alert_sockets_t *socks_out, uint32_t flags); void alert_sockets_close(alert_sockets_t *socks); +typedef struct tor_threadlocal_s { +#ifdef _WIN32 + DWORD index; +#else + pthread_key_t key; +#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. + * + * It's undefined behavior to use this function if the threadlocal hasn't + * been initialized, or has been destroyed. + */ +void *tor_threadlocal_get(tor_threadlocal_t *threadlocal); +/** + * Change the current value of a thread-local variable for this thread to + * <b>value</b>. + * + * It's undefined behavior to use this function if the threadlocal hasn't + * been initialized, or has been destroyed. + */ +void tor_threadlocal_set(tor_threadlocal_t *threadlocal, void *value); + #endif |