Commit 585b78f7 authored by Poul-Henning Kamp's avatar Poul-Henning Kamp

Seamlessly hand over the per-sema mutex, to avoid silly context-switches



git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@4501 d4fa192b-c00b-0410-8231-f00ffab90ce4
parent 1e533e2e
......@@ -93,7 +93,6 @@ sema_sync(struct sema *r, const char *av, struct vtclog *vl)
CHECK_OBJ_NOTNULL(r, SEMA_MAGIC);
u = strtoul(av, NULL, 0);
AZ(pthread_mutex_lock(&r->mtx));
if (r->expected == 0)
r->expected = u;
if (r->expected != u)
......@@ -111,7 +110,6 @@ sema_sync(struct sema *r, const char *av, struct vtclog *vl)
r->name, r->waiters, r->expected);
AZ(pthread_cond_wait(&r->cond, &r->mtx));
}
AZ(pthread_mutex_unlock(&r->mtx));
}
/**********************************************************************
......@@ -148,8 +146,9 @@ cmd_sema(CMD_ARGS)
break;
if (r == NULL)
r = sema_new(av[0], vl);
AZ(pthread_mutex_unlock(&sema_mtx));
av++;
AZ(pthread_mutex_lock(&r->mtx));
AZ(pthread_mutex_unlock(&sema_mtx));
for (; *av != NULL; av++) {
if (!strcmp(*av, "sync")) {
......@@ -160,6 +159,7 @@ cmd_sema(CMD_ARGS)
}
vtc_log(vl, 0, "Unknown sema argument: %s", *av);
}
AZ(pthread_mutex_unlock(&r->mtx));
}
void
......
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