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Omnibus to implement CFRunLoop with kevent. #3004

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Merged
merged 5 commits into from
Aug 2, 2022
Merged

Omnibus to implement CFRunLoop with kevent. #3004

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8201c10
[runloop] Set up some symbols for generic code.
3405691582 Mar 25, 2021
386e107
[runloop] Remind porter these stubs are required.
3405691582 Mar 25, 2021
ca0f193
[runloop] Implement runloop abstraction for BSD.
3405691582 Mar 25, 2021
05ceecf
[runloop] Ensure timing arithmetic is done in ns.
3405691582 Mar 25, 2021
13bc94f
[runloop] Avoid pthread_main_np on OpenBSD.
3405691582 Mar 26, 2021
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6 changes: 5 additions & 1 deletion CoreFoundation/Base.subproj/CFPlatform.c
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Original file line number Diff line number Diff line change
Expand Up @@ -249,7 +249,11 @@ const char *_CFProcessPath(void) {

#if TARGET_OS_MAC || TARGET_OS_WIN32 || TARGET_OS_BSD
CF_CROSS_PLATFORM_EXPORT Boolean _CFIsMainThread(void) {
#if defined(__OpenBSD__)
return pthread_equal(pthread_self(), _CFMainPThread) != 0;
#else
return pthread_main_np() == 1;
#endif
}
#endif

Expand Down Expand Up @@ -774,7 +778,7 @@ static void __CFTSDFinalize(void *arg) {
#if TARGET_OS_WASI
__CFMainThreadHasExited = true;
#else
if (pthread_main_np() == 1) {
if (_CFIsMainThread()) {
// Important: we need to be sure that the only time we set this flag to true is when we actually can guarentee we ARE the main thread.
__CFMainThreadHasExited = true;
}
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