libspl: implement atomics in terms of atomics

This replaces the generic libspl atomic.c atomics implementation
with one based on builtin gcc atomics.  This functionality was added
as an experimental feature in gcc 4.4.  Today even CentOS 7 ships
with gcc 4.8 as the default compiler we can make this the default.

Furthermore, the builtin atomics are as good or better than our
hand-rolled implementation so it's reasonable to drop that custom code.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #11904
This commit is contained in:
наб
2021-04-19 07:13:24 +02:00
committed by GitHub
parent 50d9ff93df
commit fef8bd41fc
8 changed files with 84 additions and 1697 deletions
+1 -1
View File
@@ -43,7 +43,7 @@ zed_LDADD = \
$(abs_top_builddir)/lib/libnvpair/libnvpair.la \
$(abs_top_builddir)/lib/libuutil/libuutil.la
zed_LDADD += -lrt $(LIBUDEV_LIBS) $(LIBUUID_LIBS)
zed_LDADD += -lrt $(LIBATOMIC_LIBS) $(LIBUDEV_LIBS) $(LIBUUID_LIBS)
zed_LDFLAGS = -pthread
EXTRA_DIST = agents/README.md