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tests: Add a mutex for the display list in EGL_dummy.

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Add a mutex to serialize access to the list of DummyEGLDisplay structs in
EGL_dummy.
This commit is contained in:
Kyle Brenneman 2020-11-19 13:44:09 -07:00
parent 266f8e0da4
commit a550e49852
1 changed files with 8 additions and 0 deletions
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8
tests/dummy/EGL_dummy.c
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@ -74,6 +74,7 @@ typedef struct DummyThreadStateRec {
static const __EGLapiExports *apiExports = NULL;
static glvnd_key_t threadStateKey;
static struct glvnd_list displayList;
static glvnd_mutex_t displayListLock = GLVND_MUTEX_INITIALIZER;
static EGLint failNextMakeCurrentError = EGL_NONE;
static EGLDEBUGPROCKHR debugCallbackFunc = NULL;
@ -121,11 +122,15 @@ static void SetLastError(const char *command, EGLLabelKHR label, EGLint error)
static DummyEGLDisplay *LookupEGLDisplay(EGLDisplay dpy)
{
DummyEGLDisplay *disp = NULL;
__glvndPthreadFuncs.mutex_lock(&displayListLock);
glvnd_list_for_each_entry(disp, &displayList, entry) {
if (dpy == (EGLDisplay) disp) {
__glvndPthreadFuncs.mutex_unlock(&displayListLock);
return disp;
}
}
__glvndPthreadFuncs.mutex_unlock(&displayListLock);
// Libglvnd should never pass an invalid EGLDisplay handle to a vendor
// library.
printf("Invalid EGLDisplay %p\n", dpy);
@ -203,8 +208,10 @@ static EGLDisplay dummyGetPlatformDisplay(EGLenum platform, void *native_display
return EGL_NO_DISPLAY;
}
__glvndPthreadFuncs.mutex_lock(&displayListLock);
glvnd_list_for_each_entry(disp, &displayList, entry) {
if (disp->platform == platform && disp->native_display == native_display) {
__glvndPthreadFuncs.mutex_unlock(&displayListLock);
return disp;
}
}
@ -214,6 +221,7 @@ static EGLDisplay dummyGetPlatformDisplay(EGLenum platform, void *native_display
disp->platform = platform;
disp->native_display = native_display;
glvnd_list_append(&disp->entry, &displayList);
__glvndPthreadFuncs.mutex_unlock(&displayListLock);
return disp;
}