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src: Drop virAtomicIntDecAndTest() with g_atomic_int_dec_and_test()

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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Michal Privoznik 2020-01-31 17:12:11 +01:00
parent 574678a27f
commit 7390ff3caa
6 changed files with 8 additions and 19 deletions
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2
src/libxl/libxl_domain.c
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@ -878,7 +878,7 @@ libxlDomainCleanup(libxlDriverPrivatePtr driver,
priv->ignoreDeathEvent = false; priv->ignoreDeathEvent = false;
if (virAtomicIntDecAndTest(&driver->nactive) && driver->inhibitCallback) if (!!g_atomic_int_dec_and_test(&driver->nactive) && driver->inhibitCallback)
driver->inhibitCallback(false, driver->inhibitOpaque); driver->inhibitCallback(false, driver->inhibitOpaque);
if ((vm->def->ngraphics == 1) && if ((vm->def->ngraphics == 1) &&

2
src/lxc/lxc_process.c
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@ -208,7 +208,7 @@ static void virLXCProcessCleanup(virLXCDriverPtr driver,
vm->pid = -1; vm->pid = -1;
vm->def->id = -1; vm->def->id = -1;
if (virAtomicIntDecAndTest(&driver->nactive) && driver->inhibitCallback) if (!!g_atomic_int_dec_and_test(&driver->nactive) && driver->inhibitCallback)
driver->inhibitCallback(false, driver->inhibitOpaque); driver->inhibitCallback(false, driver->inhibitOpaque);
virLXCDomainReAttachHostDevices(driver, vm->def); virLXCDomainReAttachHostDevices(driver, vm->def);

8
src/nwfilter/nwfilter_dhcpsnoop.c
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@ -692,7 +692,7 @@ virNWFilterSnoopReqPut(virNWFilterSnoopReqPtr req)
virNWFilterSnoopLock(); virNWFilterSnoopLock();
if (virAtomicIntDecAndTest(&req->refctr)) { if (!!g_atomic_int_dec_and_test(&req->refctr)) {
/* /*
* delete the request: * delete the request:
* - if we don't find req on the global list anymore * - if we don't find req on the global list anymore
@ -868,7 +868,7 @@ virNWFilterSnoopReqLeaseDel(virNWFilterSnoopReqPtr req,
skip_instantiate: skip_instantiate:
VIR_FREE(ipl); VIR_FREE(ipl);
ignore_value(virAtomicIntDecAndTest(&virNWFilterSnoopState.nLeases)); ignore_value(!!g_atomic_int_dec_and_test(&virNWFilterSnoopState.nLeases));
lease_not_found: lease_not_found:
VIR_FREE(ipstr); VIR_FREE(ipstr);
@ -1142,7 +1142,7 @@ static void virNWFilterDHCPDecodeWorker(void *jobdata, void *opaque)
_("Instantiation of rules failed on " _("Instantiation of rules failed on "
"interface '%s'"), req->binding->portdevname); "interface '%s'"), req->binding->portdevname);
} }
ignore_value(virAtomicIntDecAndTest(job->qCtr)); ignore_value(!!g_atomic_int_dec_and_test(job->qCtr));
VIR_FREE(job); VIR_FREE(job);
} }
@ -1543,7 +1543,7 @@ virNWFilterDHCPSnoopThread(void *req0)
pcap_close(pcapConf[i].handle); pcap_close(pcapConf[i].handle);
} }
ignore_value(virAtomicIntDecAndTest(&virNWFilterSnoopState.nThreads)); ignore_value(!!g_atomic_int_dec_and_test(&virNWFilterSnoopState.nThreads));
return; return;
} }

2
src/qemu/qemu_process.c
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@ -7313,7 +7313,7 @@ void qemuProcessStop(virQEMUDriverPtr driver,
qemuProcessBuildDestroyMemoryPaths(driver, vm, NULL, false); qemuProcessBuildDestroyMemoryPaths(driver, vm, NULL, false);
if (virAtomicIntDecAndTest(&driver->nactive) && driver->inhibitCallback) if (!!g_atomic_int_dec_and_test(&driver->nactive) && driver->inhibitCallback)
driver->inhibitCallback(false, driver->inhibitOpaque); driver->inhibitCallback(false, driver->inhibitOpaque);
/* Wake up anything waiting on domain condition */ /* Wake up anything waiting on domain condition */

11
src/util/viratomic.h
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@ -26,17 +26,6 @@
#include "internal.h" #include "internal.h"
/**
* virAtomicIntDecAndTest:
* Decrements the value of atomic by 1.
*
* Think of this operation as an atomic version of
* { *atomic -= 1; return *atomic == 0; }
*
* This call acts as a full compiler and hardware memory barrier.
*/
#define virAtomicIntDecAndTest(i) (!!g_atomic_int_dec_and_test(i))
/** /**
* virAtomicIntCompareExchange: * virAtomicIntCompareExchange:
* Compares atomic to oldval and, if equal, sets it to newval. If * Compares atomic to oldval and, if equal, sets it to newval. If

2
src/util/virobject.c
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@ -344,7 +344,7 @@ virObjectUnref(void *anyobj)
if (VIR_OBJECT_NOTVALID(obj)) if (VIR_OBJECT_NOTVALID(obj))
return false; return false;
bool lastRef = virAtomicIntDecAndTest(&obj->u.s.refs); bool lastRef = !!g_atomic_int_dec_and_test(&obj->u.s.refs);
PROBE(OBJECT_UNREF, "obj=%p", obj); PROBE(OBJECT_UNREF, "obj=%p", obj);
if (lastRef) { if (lastRef) {
PROBE(OBJECT_DISPOSE, "obj=%p", obj); PROBE(OBJECT_DISPOSE, "obj=%p", obj);