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authorTimo Dritschler <timo.dritschler@kit.edu>2014-06-06 18:31:40 +0200
committerTimo Dritschler <timo.dritschler@kit.edu>2014-06-06 18:31:40 +0200
commitca46d010c312e804ee79265236301f02a606123f (patch)
tree91d798cb5e5ce397758beaa9b8178f3f026480ba /src
parent1272ee769caed1298b9d26b9f8e74a12b2d7c355 (diff)
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Updated documentation to make it conform with Gtk Documentation-Guide
Added kiro_trb_purge to completely reset the entire buffer
Diffstat (limited to 'src')
-rw-r--r--src/kiro-trb.c20
-rw-r--r--src/kiro-trb.h91
2 files changed, 81 insertions, 30 deletions
diff --git a/src/kiro-trb.c b/src/kiro-trb.c
index e81a4f7..dc8146f 100644
--- a/src/kiro-trb.c
+++ b/src/kiro-trb.c
@@ -167,6 +167,22 @@ void kiro_trb_flush (KiroTrb *self)
}
+void kiro_trb_purge (KiroTrb* self, gboolean free_memory)
+{
+ KiroTrbPrivate *priv = KIRO_TRB_GET_PRIVATE(self);
+ priv->iteration = 0;
+ priv->current = NULL;
+ priv->initialized = 0;
+ priv->max_elements = 0;
+ priv->buff_size = 0;
+ priv->frame_top = NULL;
+ priv->element_size = 0;
+ if(free_memory)
+ free(priv->mem);
+ priv->mem = NULL;
+}
+
+
int kiro_trb_is_setup (KiroTrb *self)
{
KiroTrbPrivate* priv = KIRO_TRB_GET_PRIVATE(self);
@@ -176,6 +192,8 @@ int kiro_trb_is_setup (KiroTrb *self)
int kiro_trb_reshape (KiroTrb *self, uint64_t element_size, uint64_t element_count)
{
+ if(element_size < 1 || element_count < 1)
+ return -1;
size_t new_size = (element_size * element_count) + sizeof(struct KiroTrbInfo);
void* newmem = malloc(new_size);
if(!newmem)
@@ -244,6 +262,8 @@ void kiro_trb_refresh (KiroTrb *self)
void kiro_trb_adopt (KiroTrb *self, void *buff_in)
{
+ if(!buff_in)
+ return;
KiroTrbPrivate* priv = KIRO_TRB_GET_PRIVATE(self);
if(priv->mem)
free(priv->mem);
diff --git a/src/kiro-trb.h b/src/kiro-trb.h
index 5c2b462..1853966 100644
--- a/src/kiro-trb.h
+++ b/src/kiro-trb.h
@@ -86,8 +86,9 @@ GObject kiro_trb_new (void);
/* trb functions */
/**
- * kiro_trb_get_element_size - Returns the element size in bytes
- * @trb: KIRO TRB to perform the operation on
+ * kiro_trb_get_element_size:
+ * Returns the element size in bytes
+ * @trb: #KiroTrb to perform the operation on
* Description:
* Returns the size of the individual elements in the buffer
* See also:
@@ -96,8 +97,9 @@ GObject kiro_trb_new (void);
uint64_t kiro_trb_get_element_size (KiroTrb* trb);
/**
- * kiro_trb_get_max_elements - Returns the capacity of the buffer
- * @trb: KIRO TRB to perform the operation on
+ * kiro_trb_get_max_elements:
+ * Returns the capacity of the buffer
+ * @trb: #KiroTrb to perform the operation on
* Description:
* Returns the mximal number of elements that can be stored in
* the buffer
@@ -109,8 +111,9 @@ uint64_t kiro_trb_get_max_elements (KiroTrb* trb);
/**
- * kiro_trb_get_raw_size - Returns the size of the buffer memory
- * @trb: KIRO TRB to perform the operation on
+ * kiro_trb_get_raw_size:
+ * Returns the size of the buffer memory
+ * @trb: #KiroTrb to perform the operation on
* Description:
* Returns the size of the buffers internal memory
* Notes:
@@ -124,10 +127,11 @@ uint64_t kiro_trb_get_raw_size (KiroTrb* trb);
/**
- * kiro_trb_get_raw_buffer - Returns a pointer to the buffer memory
- * @trb: KIRO TRB to perform the operation on
+ * kiro_trb_get_raw_buffer:
+ * @trb: #KiroTrb to perform the operation on
* Description:
* Returns a pointer to the memory structure of the given buffer.
+ * Returns: (transfer none): a pointer to the buffer memory
* Notes:
* The returned pointer points to the beginning of the internal
* memory of the buffer, including all header information. The
@@ -148,12 +152,12 @@ void* kiro_trb_get_raw_buffer (KiroTrb* trb);
/**
- * kiro_trb_get_element - Returns a pointer to the element at the given
- * index.
- * @trb: KIRO TRB to perform the operation on
+ * kiro_trb_get_element:
+ * @trb: #KiroTrb to perform the operation on
* @index: Index of the element in the buffer to access
* Description:
* Returns a pointer to the element in the buffer at the given index.
+ * Returns: (transfer none): a pointer to the element at the given index.
* Notes:
* The returned pointer to the element is only guaranteed to be valid
* immediately after the function call. The user is responsible to
@@ -172,12 +176,14 @@ void* kiro_trb_get_element (KiroTrb* trb, uint64_t index);
/**
- * kiro_trb_dma_push - Gives DMA to the next element and pushes the buffer
- * @trb: KIRO TRB to perform the operation on
+ * kiro_trb_dma_push:
+ * Gives DMA to the next element and pushes the buffer
+ * @trb: #KiroTrb to perform the operation on
* Description:
* Returns a pointer to the next element in the buffer and increases
* all internal counters and meta data as if an element was pushed
* onto the buffer.
+ * Returns: (transfer none): Pointer to the bginning of element memory
* Notes:
* The returned pointer to the element is only guaranteed to be valid
* immediately after the function call. The user is responsible to
@@ -192,15 +198,15 @@ void* kiro_trb_get_element (KiroTrb* trb, uint64_t index);
* See also:
* kiro_trb_push, kiro_trb_get_element_size, kiro_trb_get_raw_buffer
*/
-void* kiro_trb_dma_push (KiroTrb*);
+void* kiro_trb_dma_push (KiroTrb* trb);
/**
- * kiro_trb_flush - Resets the buffer
- * @trb: KIRO TRB to perform the operation on
+ * kiro_trb_flush:
+ * Flushes the buffer
+ * @trb: #KiroTrb to perform the operation on
* Description:
- * Resets the internal buffer structures so the buffer is
- * 'empty' again.
+ * Flushes the internal buffer so the buffer is 'empty' again.
* Notes:
* The underlying memory is not cleared, freed or rewritten.
* Only the header is rewritten and the internal pointer and
@@ -212,8 +218,28 @@ void kiro_trb_flush (KiroTrb* trb);
/**
- * kiro_trb_is_setup - Returns the setup status of the buffer
- * @trb: KIRO TRB to perform the operation on
+ * kiro_trb_purge:
+ * Completely resets the Buffer
+ * @trb: #KiroTrb to perform the operation on
+ * @free_memory: True = internal memory will be free()'d,
+ * False = internal memory will be 'orphaned'
+ * Description:
+ * Resets all internal structures so the TRB becomes
+ * 'uninitialized' again.
+ * Notes:
+ * Depending on the 'free_memory' argument, any currently
+ * held internal memory either gets free()'d or is simply
+ * unreferenced and therfore 'orphaned'.
+ * See also:
+ * kiro_trb_reshape, kiro_trb_adopt, kiro_trb_clone
+ */
+void kiro_trb_purge (KiroTrb* trb, gboolean free_memory);
+
+
+/**
+ * kiro_trb_is_setup:
+ * Returns the setup status of the buffer
+ * @trb: #KiroTrb to perform the operation on
* Description:
* Returns an integer designating of the buffer is ready to
* be used or needs to be 'reshaped' before it can accept data
@@ -228,8 +254,9 @@ int kiro_trb_is_setup (KiroTrb* trb);
/**
- * kiro_trb_reshape - Reallocates internal memory and structures
- * @trb: KIRO TRB to perform the operation on
+ * kiro_trb_reshape:
+ * Reallocates internal memory and structures
+ * @trb: #KiroTrb to perform the operation on
* @element_size: Individual size of the elements to store in bytes
* @element_count: Maximum number of elements to be stored
* Description:
@@ -247,8 +274,9 @@ int kiro_trb_reshape (KiroTrb* trb, uint64_t element_size, uint64_t element_coun
/**
- * kiro_trb_clone - Clones the given memory into the internal memory
- * @trb: KIRO TRB to perform the operation on
+ * kiro_trb_clone:
+ * Clones the given memory into the internal memory
+ * @trb: #KiroTrb to perform the operation on
* @source: Pointer to the source memory to clone from
* Description:
* Interprets the given memory as a pointer to another KIRO TRB and
@@ -269,8 +297,9 @@ int kiro_trb_clone (KiroTrb* trb, void* source);
/**
- * kiro_trb_push - Adds an element into the buffer
- * @trb: KIRO TRB to perform the operation on
+ * kiro_trb_push:
+ * Adds an element into the buffer
+ * @trb: #KiroTrb to perform the operation on
* @source: Pointer to the memory of the element to add
* Description:
* Copies the given element and adds it into the buffer
@@ -289,8 +318,9 @@ int kiro_trb_push (KiroTrb* trb, void* source);
/**
- * kiro_trb_refresh - Re-reads the TRBs memory header
- * @trb: KIRO TRB to perform the operation on
+ * kiro_trb_refresh:
+ * Re-reads the TRBs memory header
+ * @trb: #KiroTrb to perform the operation on
* Description:
* Re-reads the internal memory header and sets up all pointers
* and counters in accordance to these information
@@ -307,8 +337,9 @@ void kiro_trb_refresh (KiroTrb* trb);
/**
- * kiro_trb_adopt - Adopts the given memory into the TRB
- * @trb: KIRO TRB to perform the operation on
+ * kiro_trb_adopt:
+ * Adopts the given memory into the TRB
+ * @trb: #KiroTrb to perform the operation on
* @source: Pointer to the source memory to adopt
* Description:
* Interprets the given memory as a pointer to another KIRO TRB and