fix: pgsql windows #4
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@hongaar it compiles successfully. I want to try it without setting Edit: the only thing needed to build on Windows is |
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I'm closing this PR. Dynamic loading can be found in #5 |
hongaar
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Dec 14, 2021
When workers are enabled and a timeout occurs in a connection most of cases a deadlock is held in the active worker: ==1654992== Thread #4: Attempt to re-lock a non-recursive lock I already hold ==1654992== at 0x484BB44: ??? (in /usr/libexec/valgrind/vgpreload_helgrind-amd64-linux.so) ==1654992== by 0x197579: prepare_destroy_conn_safe (flb_upstream.c:435) ==1654992== by 0x197887: create_conn (flb_upstream.c:533) ==1654992== by 0x197DBB: flb_upstream_conn_get (flb_upstream.c:674) ==1654992== by 0x2396D3: http_post (http.c:86) ==1654992== by 0x23A5E5: cb_http_flush (http.c:338) ==1654992== by 0x17FE6B: output_pre_cb_flush (flb_output.h:511) ==1654992== by 0x503DAA: co_init (amd64.c:117) ==1654992== Lock was previously acquired ==1654992== at 0x484BC0F: ??? (in /usr/libexec/valgrind/vgpreload_helgrind-amd64-linux.so) ==1654992== by 0x19815F: flb_upstream_conn_timeouts (flb_upstream.c:780) ==1654992== by 0x17FEFC: cb_thread_sched_timer (flb_output_thread.c:58) ==1654992== by 0x193ED7: flb_sched_event_handler (flb_scheduler.c:422) ==1654992== by 0x180672: output_thread (flb_output_thread.c:265) ==1654992== by 0x199602: step_callback (flb_worker.c:44) ==1654992== by 0x484E8AA: ??? (in /usr/libexec/valgrind/vgpreload_helgrind-amd64-linux.so) ==1654992== by 0x4E3F926: start_thread (pthread_create.c:435) ==1654992== by 0x4ECF9E3: clone (clone.S:100) The following patch fix the behavior on prepare_destroy_conn_safe by 'trying to acquire' the mutex lock, if it fails to acquire it, it will asssume it's already locked and no new lock is required. Signed-off-by: Eduardo Silva <[email protected]>
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