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/*
Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#include <pthread.h>
#include "globals.h"
#include "glusterfs.h"
#include "timer-wheel.h"
glusterfs_ctx_t *
glusterfs_ctx_new ()
{
int ret = 0;
glusterfs_ctx_t *ctx = NULL;
/* no GF_CALLOC here, gf_acct_mem_set_enable is not
yet decided at this point */
ctx = calloc (1, sizeof (*ctx));
if (!ctx) {
ret = -1;
goto out;
}
ctx->mem_acct_enable = gf_global_mem_acct_enable_get();
INIT_LIST_HEAD (&ctx->graphs);
INIT_LIST_HEAD (&ctx->mempool_list);
ctx->daemon_pipe[0] = -1;
ctx->daemon_pipe[1] = -1;
ctx->log.loglevel = DEFAULT_LOG_LEVEL;
#ifdef RUN_WITH_VALGRIND
ctx->cmd_args.valgrind = _gf_true;
#endif
/* lock is never destroyed! */
ret = LOCK_INIT (&ctx->lock);
if (ret) {
free (ctx);
ctx = NULL;
}
out:
return ctx;
}
static void
glusterfs_ctx_tw_destroy (struct gf_ctx_tw *ctx_tw)
{
if (ctx_tw->timer_wheel)
gf_tw_cleanup_timers (ctx_tw->timer_wheel);
GF_FREE (ctx_tw);
}
struct tvec_base*
glusterfs_ctx_tw_get (glusterfs_ctx_t *ctx)
{
struct gf_ctx_tw *ctx_tw = NULL;
LOCK (&ctx->lock);
{
if (ctx->tw) {
ctx_tw = GF_REF_GET (ctx->tw);
} else {
ctx_tw = GF_CALLOC (1, sizeof (struct gf_ctx_tw),
gf_common_mt_tw_ctx);
ctx_tw->timer_wheel = gf_tw_init_timers();
GF_REF_INIT (ctx_tw, glusterfs_ctx_tw_destroy);
ctx->tw = ctx_tw;
}
}
UNLOCK (&ctx->lock);
return ctx_tw->timer_wheel;
}
void
glusterfs_ctx_tw_put (glusterfs_ctx_t *ctx)
{
GF_REF_PUT (ctx->tw);
}
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