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compat/w32pthreads: use the CONDITION_VARIABLE typedef if available

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This silences warnings about passing arguments from incompatible pointer type
when targeting Windows Vista or newer.

Tested-by: Matt Oliver <protogonoi@gmail.com>
Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2014-10-09 13:20:00 -03:00
parent 99afec08f8
commit 0c06949314
2 changed files with 15 additions and 10 deletions
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23
compat/w32pthreads.h
View File

@ -55,12 +55,15 @@ typedef struct pthread_t {
* not mutexes */
typedef CRITICAL_SECTION pthread_mutex_t;
/* This is the CONDITIONAL_VARIABLE typedef for using Window's native
* conditional variables on kernels 6.0+.
* MinGW does not currently have this typedef. */
/* This is the CONDITION_VARIABLE typedef for using Windows' native
* conditional variables on kernels 6.0+. */
#if HAVE_CONDITION_VARIABLE_PTR
typedef CONDITION_VARIABLE pthread_cond_t;
#else
typedef struct pthread_cond_t {
void *ptr;
void *Ptr;
} pthread_cond_t;
#endif
/* function pointers to conditional variable API on windows 6.0+ kernels */
#if _WIN32_WINNT < 0x0600
@ -159,7 +162,7 @@ static av_unused int pthread_cond_init(pthread_cond_t *cond, const void *unused_
win32_cond = av_mallocz(sizeof(win32_cond_t));
if (!win32_cond)
return ENOMEM;
cond->ptr = win32_cond;
cond->Ptr = win32_cond;
win32_cond->semaphore = CreateSemaphore(NULL, 0, 0x7fffffff, NULL);
if (!win32_cond->semaphore)
return ENOMEM;
@ -174,7 +177,7 @@ static av_unused int pthread_cond_init(pthread_cond_t *cond, const void *unused_
static av_unused void pthread_cond_destroy(pthread_cond_t *cond)
{
win32_cond_t *win32_cond = cond->ptr;
win32_cond_t *win32_cond = cond->Ptr;
/* native condition variables do not destroy */
if (cond_init)
return;
@ -185,12 +188,12 @@ static av_unused void pthread_cond_destroy(pthread_cond_t *cond)
pthread_mutex_destroy(&win32_cond->mtx_waiter_count);
pthread_mutex_destroy(&win32_cond->mtx_broadcast);
av_freep(&win32_cond);
cond->ptr = NULL;
cond->Ptr = NULL;
}
static av_unused void pthread_cond_broadcast(pthread_cond_t *cond)
{
win32_cond_t *win32_cond = cond->ptr;
win32_cond_t *win32_cond = cond->Ptr;
int have_waiter;
if (cond_broadcast) {
@ -221,7 +224,7 @@ static av_unused void pthread_cond_broadcast(pthread_cond_t *cond)
static av_unused int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
{
win32_cond_t *win32_cond = cond->ptr;
win32_cond_t *win32_cond = cond->Ptr;
int last_waiter;
if (cond_wait) {
cond_wait(cond, mutex, INFINITE);
@ -253,7 +256,7 @@ static av_unused int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mu
static av_unused void pthread_cond_signal(pthread_cond_t *cond)
{
win32_cond_t *win32_cond = cond->ptr;
win32_cond_t *win32_cond = cond->Ptr;
int have_waiter;
if (cond_signal) {
cond_signal(cond);

2
configure vendored
View File

@ -1767,6 +1767,7 @@ TOOLCHAIN_FEATURES="
"
TYPES_LIST="
CONDITION_VARIABLE_Ptr
socklen_t
struct_addrinfo
struct_group_source_req
@ -4719,6 +4720,7 @@ check_func_headers windows.h PeekNamedPipe
check_func_headers windows.h SetConsoleTextAttribute
check_func_headers windows.h Sleep
check_func_headers windows.h VirtualAlloc
check_struct windows.h "CONDITION_VARIABLE" Ptr
check_func_headers glob.h glob
enabled xlib &&
check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext