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authorBjorn Helgaas <bhelgaas@google.com>2012-09-13 10:41:01 -0400
committerBjorn Helgaas <bhelgaas@google.com>2012-09-13 10:41:01 -0400
commit78890b5989d96ddce989cde929c45ceeded0fcaf (patch)
tree4e2da81fc7c97f11aee174b1eedac110c9a68b3a /tools/perf/util/intlist.c
parent1959ec5f82acbdf91425b41600f119ebecb5f6a8 (diff)
parent55d512e245bc7699a8800e23df1a24195dd08217 (diff)
Merge commit 'v3.6-rc5' into next
* commit 'v3.6-rc5': (1098 commits) Linux 3.6-rc5 HID: tpkbd: work even if the new Lenovo Keyboard driver is not configured Remove user-triggerable BUG from mpol_to_str xen/pciback: Fix proper FLR steps. uml: fix compile error in deliver_alarm() dj: memory scribble in logi_dj Fix order of arguments to compat_put_time[spec|val] xen: Use correct masking in xen_swiotlb_alloc_coherent. xen: fix logical error in tlb flushing xen/p2m: Fix one-off error in checking the P2M tree directory. powerpc: Don't use __put_user() in patch_instruction powerpc: Make sure IPI handlers see data written by IPI senders powerpc: Restore correct DSCR in context switch powerpc: Fix DSCR inheritance in copy_thread() powerpc: Keep thread.dscr and thread.dscr_inherit in sync powerpc: Update DSCR on all CPUs when writing sysfs dscr_default powerpc/powernv: Always go into nap mode when CPU is offline powerpc: Give hypervisor decrementer interrupts their own handler powerpc/vphn: Fix arch_update_cpu_topology() return value ARM: gemini: fix the gemini build ... Conflicts: drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c drivers/rapidio/devices/tsi721.c
Diffstat (limited to 'tools/perf/util/intlist.c')
-rw-r--r--tools/perf/util/intlist.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/tools/perf/util/intlist.c b/tools/perf/util/intlist.c
new file mode 100644
index 000000000000..fd530dced9cb
--- /dev/null
+++ b/tools/perf/util/intlist.c
@@ -0,0 +1,101 @@
1/*
2 * Based on intlist.c by:
3 * (c) 2009 Arnaldo Carvalho de Melo <acme@redhat.com>
4 *
5 * Licensed under the GPLv2.
6 */
7
8#include <errno.h>
9#include <stdlib.h>
10#include <linux/compiler.h>
11
12#include "intlist.h"
13
14static struct rb_node *intlist__node_new(struct rblist *rblist __used,
15 const void *entry)
16{
17 int i = (int)((long)entry);
18 struct rb_node *rc = NULL;
19 struct int_node *node = malloc(sizeof(*node));
20
21 if (node != NULL) {
22 node->i = i;
23 rc = &node->rb_node;
24 }
25
26 return rc;
27}
28
29static void int_node__delete(struct int_node *ilist)
30{
31 free(ilist);
32}
33
34static void intlist__node_delete(struct rblist *rblist __used,
35 struct rb_node *rb_node)
36{
37 struct int_node *node = container_of(rb_node, struct int_node, rb_node);
38
39 int_node__delete(node);
40}
41
42static int intlist__node_cmp(struct rb_node *rb_node, const void *entry)
43{
44 int i = (int)((long)entry);
45 struct int_node *node = container_of(rb_node, struct int_node, rb_node);
46
47 return node->i - i;
48}
49
50int intlist__add(struct intlist *ilist, int i)
51{
52 return rblist__add_node(&ilist->rblist, (void *)((long)i));
53}
54
55void intlist__remove(struct intlist *ilist __used, struct int_node *node)
56{
57 int_node__delete(node);
58}
59
60struct int_node *intlist__find(struct intlist *ilist, int i)
61{
62 struct int_node *node = NULL;
63 struct rb_node *rb_node = rblist__find(&ilist->rblist, (void *)((long)i));
64
65 if (rb_node)
66 node = container_of(rb_node, struct int_node, rb_node);
67
68 return node;
69}
70
71struct intlist *intlist__new(void)
72{
73 struct intlist *ilist = malloc(sizeof(*ilist));
74
75 if (ilist != NULL) {
76 rblist__init(&ilist->rblist);
77 ilist->rblist.node_cmp = intlist__node_cmp;
78 ilist->rblist.node_new = intlist__node_new;
79 ilist->rblist.node_delete = intlist__node_delete;
80 }
81
82 return ilist;
83}
84
85void intlist__delete(struct intlist *ilist)
86{
87 if (ilist != NULL)
88 rblist__delete(&ilist->rblist);
89}
90
91struct int_node *intlist__entry(const struct intlist *ilist, unsigned int idx)
92{
93 struct int_node *node = NULL;
94 struct rb_node *rb_node;
95
96 rb_node = rblist__entry(&ilist->rblist, idx);
97 if (rb_node)
98 node = container_of(rb_node, struct int_node, rb_node);
99
100 return node;
101}