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Merge pull request #3051 from jeffhostetler/jeffhostetler/memleak_windows_tls_data

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Attempt to fix Windows TLS memory leak.
This commit is contained in:
Edward Thomson 2015-04-21 18:21:59 -04:00
commit aaf42c8df7
3 changed files with 17 additions and 11 deletions
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24
src/global.c
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@ -223,13 +223,10 @@ int git_libgit2_init(void)
static void synchronized_threads_shutdown(void)
{
void *ptr;
/* Shut down any subsystems that have global state */
git__shutdown();
ptr = TlsGetValue(_tls_index);
git__global_state_cleanup(ptr);
git__free_tls_data();
TlsFree(_tls_index);
git_mutex_free(&git__mwindow_mutex);
@ -270,15 +267,20 @@ git_global_st *git__global_state(void)
return ptr;
}
BOOL WINAPI DllMain(HINSTANCE dll, DWORD reason, LPVOID reserved)
/**
* Free the TLS data associated with this thread.
* This should only be used by the thread as it
* is exiting.
*/
void git__free_tls_data(void)
{
if (reason == DLL_THREAD_DETACH) {
void *ptr = TlsGetValue(_tls_index);
git__global_state_cleanup(ptr);
git__free(ptr);
}
void *ptr = TlsGetValue(_tls_index);
if (!ptr)
return;
return TRUE;
git__global_state_cleanup(ptr);
git__free(ptr);
TlsSetValue(_tls_index, NULL);
}
#elif defined(GIT_THREADS) && defined(_POSIX_THREADS)

2
src/global.h
View File

@ -32,4 +32,6 @@ typedef void (*git_global_shutdown_fn)(void);
extern void git__on_shutdown(git_global_shutdown_fn callback);
extern void git__free_tls_data(void);
#endif

2
src/win32/pthread.c
View File

@ -20,6 +20,8 @@ static DWORD WINAPI git_win32__threadproc(LPVOID lpParameter)
thread->result = thread->proc(thread->param);
git__free_tls_data();
return CLEAN_THREAD_EXIT;
}