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MDEV-17200 - pthread_detach called for already detached threads

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pthread_detach_this_thread() was intended to be defined to something
meaningful only on some ancient unixes, which don't have
pthread_attr_setdetachstate() defined. Otherwise, on normal unixes,
threads are created detached in the first place.

This was broken in 0f01bf2676 so that
we started calling pthread_detach() for already detached threads.
Intention was to detach aria checkpoint thread.

However in 87007dc2f7 aria service threads
were made joinable with appropriate handling, which makes breaking
revision unneccessary.

Revert remnants of 0f01bf2676, so that
pthread_detach_this_thread() is meaningful only on some ancient unixes
again.
This commit is contained in:
Sergey Vojtovich 2018-09-21 16:04:16 +04:00
parent e855912733
commit 1655053ac1
1 changed files with 1 additions and 1 deletions
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2
include/my_pthread.h
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@ -184,7 +184,7 @@ int pthread_cancel(pthread_t thread);
#define pthread_key(T,V) pthread_key_t V
#define my_pthread_getspecific_ptr(T,V) my_pthread_getspecific(T,(V))
#define my_pthread_setspecific_ptr(T,V) pthread_setspecific(T,(void*) (V))
#define pthread_detach_this_thread() { pthread_t tmp=pthread_self() ; pthread_detach(tmp); }
#define pthread_detach_this_thread()
#define pthread_handler_t EXTERNC void *
typedef void *(* pthread_handler)(void *);