242690 2022-07-13 07:49:31 -0700 [WTF] Ensure isMainThread semantics for Linux match Apple/BSD semantics 2022-08-01 09:39:29 -0700 1 1 1 Unclassified WebKit Web Template Framework WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=243401 InRadar P2 Normal --- 1 james.hilliard1 aperez aperez mcatanzaro webkit-bug-importer oldest_to_newest 1882994 0 james.hilliard1 2022-07-13 07:49:31 -0700 It's not entirely clear if the current implementation semantics are fully identical between Linux and Apple/BSD systems. The Apple/BSD pthread_main_np function has 3 potential return values, 1 if the thread is the initial thread, 0 if it is not or -1 if thread is not initialized/unknown, lets make sure we only return true for isMainThread if the return for pthread_main_np is 1. On linux checking if we are on the initial thread can be accomplished by checking the equality of getpid and gettid. Note we use a syscall for calling gettid as the gettid() libc function may not be guaranteed to be supported by all libc's on Linux unlike the syscall(which is also used elsewhere in WebKit). 1882998 1 james.hilliard1 2022-07-13 07:53:49 -0700 Pull request: https://github.com/WebKit/WebKit/pull/2363 1883941 2 ews-feeder 2022-07-14 18:43:54 -0700 Committed 252485@main (50d7bfe855ca): <https://commits.webkit.org/252485@main> Reviewed commits have been landed. Closing PR #2363 and removing active labels. 1883942 3 webkit-bug-importer 2022-07-14 18:44:16 -0700 <rdar://problem/97048055> 1885032 4 aperez 2022-07-19 00:36:42 -0700 Reopening to address Darin's comment about usage of pthread_main_np() here: https://github.com/WebKit/WebKit/commit/50d7bfe855ca043cc72ec09b3d3d75100015101b#r78597817 1885035 5 aperez 2022-07-19 00:49:21 -0700 Pull request: https://github.com/WebKit/WebKit/pull/2536 1885081 6 ews-feeder 2022-07-19 08:01:14 -0700 Committed 252601@main (0307ab9b687a): <https://commits.webkit.org/252601@main> Reviewed commits have been landed. Closing PR #2536 and removing active labels. 1888086 7 mcatanzaro 2022-08-01 09:39:29 -0700 Regression: bug #243401