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authorLennart Poettering <lennart@poettering.net>2004-11-17 00:05:25 +0000
committerLennart Poettering <lennart@poettering.net>2004-11-17 00:05:25 +0000
commit0a2bbc528b7865b08139155e0316738a717c4e42 (patch)
tree99166840892bb315fe109436093876386adac51d /polyp/memchunk.h
parentf5f6605254d17c5bc06b8c1ec98e8ee09009af10 (diff)
* some commenting work
* add new field "read_only" to memory blocks * add new API function pa_context_get_server() * filter capture data through mcalign on client * make module-tunnel use pa_socket_client_new_string() instead of using pa_resolve_server() directly. * remove pa_resolve_server() * remove debug.h and replace it by a macro definition on the gcc command line * some strbuf cleanups * small fixes in pa_stream for cleanup when server dies * new CLI command "load-sample-dir-lazy" * send FQDN as part of server info * rework mcalign, this time with memory block merging * fix iochannel cleanup when connection dies * check getaddrinfo() results git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@286 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'polyp/memchunk.h')
-rw-r--r--polyp/memchunk.h18
1 files changed, 11 insertions, 7 deletions
diff --git a/polyp/memchunk.h b/polyp/memchunk.h
index e73b6f6e..a004c2e8 100644
--- a/polyp/memchunk.h
+++ b/polyp/memchunk.h
@@ -24,18 +24,22 @@
#include "memblock.h"
+/* A memchunk is a part of a memblock. In contrast to the memblock, a
+ * memchunk is not allocated dynamically or reference counted, instead
+ * it is usually stored on the stack and copied around */
+
struct pa_memchunk {
struct pa_memblock *memblock;
size_t index, length;
};
-void pa_memchunk_make_writable(struct pa_memchunk *c, struct pa_memblock_stat *s);
-
-struct pa_mcalign;
+/* Make a memchunk writable, i.e. make sure that the caller may have
+ * exclusive access to the memblock and it is not read_only. If needed
+ * the memblock in the structure is replaced by a copy. */
+void pa_memchunk_make_writable(struct pa_memchunk *c, struct pa_memblock_stat *s, size_t min);
-struct pa_mcalign *pa_mcalign_new(size_t base, struct pa_memblock_stat *s);
-void pa_mcalign_free(struct pa_mcalign *m);
-void pa_mcalign_push(struct pa_mcalign *m, const struct pa_memchunk *c);
-int pa_mcalign_pop(struct pa_mcalign *m, struct pa_memchunk *c);
+/* Invalidate a memchunk. This does not free the cotaining memblock,
+ * but sets all members to zero. */
+void pa_memchunk_reset(struct pa_memchunk *c);
#endif