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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.

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Martin Storsjö <martin@martin.st>
pull/89/head
James Almer 11 years ago committed by Martin Storsjö
parent 2bc220958c
commit 73ea3ffcd5
2 changed files with 15 additions and 10 deletions
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  1. 23
      compat/w32pthreads.h
  2. 2
      configure

23
compat/w32pthreads.h
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@ -54,12 +54,15 @@ 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
@ -158,7 +161,7 @@ static av_unused void pthread_cond_init(pthread_cond_t *cond, const void *unused
win32_cond = av_mallocz(sizeof(win32_cond_t));
if (!win32_cond)
return;
cond->ptr = win32_cond;
cond->Ptr = win32_cond;
win32_cond->semaphore = CreateSemaphore(NULL, 0, 0x7fffffff, NULL);
if (!win32_cond->semaphore)
return;
@ -172,7 +175,7 @@ static av_unused void 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;
@ -183,12 +186,12 @@ 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) {
@ -219,7 +222,7 @@ 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);
@ -251,7 +254,7 @@ 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
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@ -1498,6 +1498,7 @@ TOOLCHAIN_FEATURES="
"
TYPES_LIST="
CONDITION_VARIABLE_Ptr
socklen_t
struct_addrinfo
struct_group_source_req
@ -4088,6 +4089,7 @@ check_func_headers windows.h MapViewOfFile
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_header direct.h
check_header dlfcn.h

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