Date: Sun, 29 Jun 2003 16:49:41 -0700 (PDT) From: Mike Makonnen <mtm@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/lib/libthr/thread thr_private.h thr_spinlock.c Message-ID: <200306292349.h5TNnfsF028783@repoman.freebsd.org>
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mtm 2003/06/29 16:49:41 PDT
FreeBSD src repository
Modified files:
lib/libthr/thread thr_private.h thr_spinlock.c
Log:
Locking primitives and operations in libthr should use struct umtx,
not spinlock_t. Spinlock_t and the associated functions and macros may
require blocking signals in order for async-safe libc functions to behave
appropriately in libthr. This is undesriable for libthr internal locking.
So, this is the first step in completely separating libthr from libc's
locking primitives.
Three new macros should be used for internal libthr locking from now on:
THR_LOCK, THR_TRYLOCK, THR_UNLOCK.
Revision Changes Path
1.19 +20 -2 src/lib/libthr/thread/thr_private.h
1.6 +2 -2 src/lib/libthr/thread/thr_spinlock.c
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