62 static void sg_init(Segment* const sg,  in sg_init()  argument
69    tl_assert(sg);  in sg_init()
76    sg->g_next = NULL;  in sg_init()
77    sg->g_prev = NULL;  in sg_init()
78    sg->thr_next = NULL;  in sg_init()
79    sg->thr_prev = NULL;  in sg_init()
80    sg->tid = created;  in sg_init()
81    sg->refcnt = 1;  in sg_init()
84       sg->stacktrace = VG_(record_ExeContext)(vg_created, 0);  in sg_init()
86       sg->stacktrace = 0;  in sg_init()
89       DRD_(vc_copy)(&sg->vc, &creator_sg->vc);  in sg_init()
91       DRD_(vc_init)(&sg->vc, 0, 0);  in sg_init()
92    DRD_(vc_increment)(&sg->vc, created);  in sg_init()
93    DRD_(bm_init)(&sg->bm);  in sg_init()
99       vc = DRD_(vc_aprint)(&sg->vc);  in sg_init()
107 static void DRD_(sg_cleanup)(Segment* const sg)  in DRD_()
109    tl_assert(sg);  in DRD_()
110    tl_assert(sg->refcnt == 0);  in DRD_()
112    DRD_(vc_cleanup)(&sg->vc);  in DRD_()
113    DRD_(bm_cleanup)(&sg->bm);  in DRD_()
119    Segment* sg;  in DRD_()  local
126    sg = VG_(malloc)("drd.segment.sn.1", sizeof(*sg));  in DRD_()
127    tl_assert(sg);  in DRD_()
128    sg_init(sg, creator, created);  in DRD_()
130       DRD_(g_sg_list)->g_prev = sg;  in DRD_()
131       sg->g_next = DRD_(g_sg_list);  in DRD_()
133    DRD_(g_sg_list) = sg;  in DRD_()
134    return sg;  in DRD_()
137 static void DRD_(sg_delete)(Segment* const sg)  in DRD_()
143       vc = DRD_(vc_aprint)(&sg->vc);  in DRD_()
151    tl_assert(sg);  in DRD_()
152    if (sg->g_next)  in DRD_()
153       sg->g_next->g_prev = sg->g_prev;  in DRD_()
154    if (sg->g_prev)  in DRD_()
155       sg->g_prev->g_next = sg->g_next;  in DRD_()
157       DRD_(g_sg_list) = sg->g_next;  in DRD_()
158    DRD_(sg_cleanup)(sg);  in DRD_()
159    VG_(free)(sg);  in DRD_()
163 Segment* DRD_(sg_get)(Segment* const sg)  in DRD_()
165    tl_assert(sg);  in DRD_()
167    sg->refcnt++;  in DRD_()
168    return sg;  in DRD_()
175 void DRD_(sg_put)(Segment* const sg)  in DRD_()
177    if (sg == 0)  in DRD_()
184       vc = DRD_(vc_aprint)(&sg->vc);  in DRD_()
187                    sg->refcnt, sg->refcnt - 1, vc);  in DRD_()
191    tl_assert(sg->refcnt >= 1);  in DRD_()
193    if (--sg->refcnt == 0)  in DRD_()
195       DRD_(sg_delete)(sg);  in DRD_()
229 void DRD_(sg_print)(Segment* const sg)  in DRD_()
231    tl_assert(sg);  in DRD_()
233    DRD_(vc_print)(&sg->vc);  in DRD_()
235    DRD_(bm_print)(&sg->bm);  in DRD_()