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    sg_init(sg, creator, created);  in DRD_()
129       DRD_(g_sg_list)->g_prev = sg;  in DRD_()
130       sg->g_next = DRD_(g_sg_list);  in DRD_()
132    DRD_(g_sg_list) = sg;  in DRD_()
133    return sg;  in DRD_()
136 static void DRD_(sg_delete)(Segment* const sg)  in DRD_()
142       vc = DRD_(vc_aprint)(&sg->vc);  in DRD_()
150    tl_assert(sg);  in DRD_()
151    if (sg->g_next)  in DRD_()
152       sg->g_next->g_prev = sg->g_prev;  in DRD_()
153    if (sg->g_prev)  in DRD_()
154       sg->g_prev->g_next = sg->g_next;  in DRD_()
156       DRD_(g_sg_list) = sg->g_next;  in DRD_()
157    DRD_(sg_cleanup)(sg);  in DRD_()
158    VG_(free)(sg);  in DRD_()
162 Segment* DRD_(sg_get)(Segment* const sg)  in DRD_()
164    tl_assert(sg);  in DRD_()
166    sg->refcnt++;  in DRD_()
167    return sg;  in DRD_()
174 void DRD_(sg_put)(Segment* const sg)  in DRD_()
176    if (sg == 0)  in DRD_()
183       vc = DRD_(vc_aprint)(&sg->vc);  in DRD_()
186                    sg->refcnt, sg->refcnt - 1, vc);  in DRD_()
190    tl_assert(sg->refcnt >= 1);  in DRD_()
192    if (--sg->refcnt == 0)  in DRD_()
194       DRD_(sg_delete)(sg);  in DRD_()
228 void DRD_(sg_print)(Segment* const sg)  in DRD_()
230    tl_assert(sg);  in DRD_()
232    DRD_(vc_print)(&sg->vc);  in DRD_()
234    DRD_(bm_print)(&sg->bm);  in DRD_()