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implement proper refcounting in polyplib

Browse source 
split polyplib to multiple modules
add some prelimenary documentation
add doxygen support


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@123 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-08-14 20:25:32 +00:00
parent 1c2ec47cf1
commit 22cb23eedb
45 changed files with 2853 additions and 12800 deletions
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42
polyp/memblock.c
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@ -39,6 +39,7 @@ struct pa_memblock *pa_memblock_new(size_t length) {
b->ref = 1;
b->length = length;
b->data = b+1;
b->free_cb = NULL;
memblock_count++;
memblock_total += length;
return b;
@ -50,6 +51,7 @@ struct pa_memblock *pa_memblock_new_fixed(void *d, size_t length) {
b->ref = 1;
b->length = length;
b->data = d;
b->free_cb = NULL;
memblock_count++;
memblock_total += length;
return b;
@ -61,6 +63,21 @@ struct pa_memblock *pa_memblock_new_dynamic(void *d, size_t length) {
b->ref = 1;
b->length = length;
b->data = d;
b->free_cb = NULL;
memblock_count++;
memblock_total += length;
return b;
}
struct pa_memblock *pa_memblock_new_user(void *d, size_t length, void (*free_cb)(void *p)) {
struct pa_memblock *b;
assert(d && length && free_cb);
b = pa_xmalloc(sizeof(struct pa_memblock));
b->type = PA_MEMBLOCK_USER;
b->ref = 1;
b->length = length;
b->data = d;
b->free_cb = free_cb;
memblock_count++;
memblock_total += length;
return b;
@ -74,31 +91,28 @@ struct pa_memblock* pa_memblock_ref(struct pa_memblock*b) {
void pa_memblock_unref(struct pa_memblock*b) {
assert(b && b->ref >= 1);
b->ref--;
if (b->ref == 0) {
if (b->type == PA_MEMBLOCK_DYNAMIC)
pa_xfree(b->data);
if ((--(b->ref)) == 0) {
memblock_count--;
memblock_total -= b->length;
if (b->type == PA_MEMBLOCK_USER) {
assert(b->free_cb);
b->free_cb(b->data);
} else if (b->type == PA_MEMBLOCK_DYNAMIC)
pa_xfree(b->data);
pa_xfree(b);
}
}
void pa_memblock_unref_fixed(struct pa_memblock *b) {
void *d;
assert(b && b->ref >= 1);
assert(b && b->ref >= 1 && b->type == PA_MEMBLOCK_FIXED);
if (b->ref == 1) {
if (b->ref == 1)
pa_memblock_unref(b);
return;
} else {
d = pa_xmalloc(b->length);
memcpy(d, b->data, b->length);
b->data = d;
else {
b->data = pa_xmemdup(b->data, b->length);
b->type = PA_MEMBLOCK_DYNAMIC;
b->ref--;
}