Explain I/O priorieties

svn path=/trunk/; revision=6000
This commit is contained in:
Matthias Clasen 2007-11-30 05:51:10 +00:00
parent a2ca589703
commit 3d8579f93a
9 changed files with 42 additions and 20 deletions

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@ -1,5 +1,7 @@
2007-11-29 Matthias Clasen <mclasen@redhat.com>
* *.c: Explain I/O priority.
* *.c: More coding style fixes.
2007-11-29 Matthias Clasen <mclasen@redhat.com>

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@ -445,7 +445,8 @@ async_fill_callback_wrapper (GObject *source_object,
* g_buffered_input_stream_fill_async:
* @stream: #GBufferedInputStream.
* @count: a #gssize.
* @io_priority: the io priority of the request.
* @io_priority: the <link linkend="gio-GIOScheduler">I/O priority</link>
* of the request.
* @cancellable: optional #GCancellable object
* @callback: a #GAsyncReadyCallback.
* @user_data: a #gpointer.

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@ -669,7 +669,8 @@ g_file_enumerate_children (GFile *file,
* @file: input #GFile.
* @attributes: a string containing a #GFileAttributeInfo query.
* @flags: a set of #GFileQueryInfoFlags.
* @io_priority: the io priority of the request.
* @io_priority: the <link linkend="gio-GIOScheduler">I/O priority</link>
* of the request.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback to call when the request is satisfied
* @user_data: the data to pass to callback function
@ -796,7 +797,8 @@ g_file_query_info (GFile *file,
* @file: input #GFile.
* @attributes: a string containing a #GFileAttributeInfo query.
* @flags: a set of #GFileQueryInfoFlags.
* @io_priority: the io priority of the request.
* @io_priority: the <link linkend="gio-GIOScheduler">I/O priority</link>
* of the request.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback to call when the request is satisfied
* @user_data: the data to pass to callback function
@ -1152,7 +1154,8 @@ g_file_replace (GFile *file,
/**
* g_file_read_async:
* @file: input #GFile.
* @io_priority: the io priority of the request.
* @io_priority: the <link linkend="gio-GIOScheduler">I/O priority</link>
* of the request.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback.
* @user_data: a #gpointer.
@ -1224,7 +1227,8 @@ g_file_read_finish (GFile *file,
* g_file_append_to_async:
* @file: input #GFile.
* @flags: a set of #GFileCreateFlags.
* @io_priority: the io priority of the request.
* @io_priority: the <link linkend="gio-GIOScheduler">I/O priority</link>
* of the request.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback.
* @user_data: a #gpointer.
@ -1300,7 +1304,8 @@ g_file_append_to_finish (GFile *file,
* g_file_create_async:
* @file: input #GFile.
* @flags: a set of #GFileCreateFlags.
* @io_priority: the io priority of the request.
* @io_priority: the <link linkend="gio-GIOScheduler">I/O priority</link>
* of the request.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback.
* @user_data: a #gpointer.
@ -1378,7 +1383,8 @@ g_file_create_finish (GFile *file,
* @etag: an Entity Tag for the current #GFile.
* @make_backup: a #gboolean.
* @flags: a set of #GFileCreateFlags.
* @io_priority: the io priority of the request.
* @io_priority: the <link linkend="gio-GIOScheduler">I/O priority</link>
* of the request.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback.
* @user_data: a #gpointer.
@ -2293,7 +2299,8 @@ g_file_set_display_name (GFile *file,
* g_file_set_display_name_async:
* @file: input #GFile.
* @display_name: a string.
* @io_priority: the io priority of the request.
* @io_priority: the <link linkend="gioscheduler">I/O priority</link>
* of the request.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback.
* @user_data: a #gpointer.
@ -2604,7 +2611,8 @@ g_file_real_set_attributes_from_info (GFile *file,
* @file: input #GFile.
* @info: a #GFileInfo.
* @flags: a #GFileQueryInfoFlags.
* @io_priority: the io priority of the request.
* @io_priority: the <link linkend="gio-GIOScheduler">I/O priority</link>
* of the request.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback.
* @user_data: a #gpointer.

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@ -231,7 +231,8 @@ next_async_callback_wrapper (GObject *source_object,
* g_file_enumerator_next_files_async:
* @enumerator: a #GFileEnumerator.
* @num_files: the number of file info objects to request
* @io_priority: the io priority of the request. the io priority of the request
* @io_priority: the <link linkend="gioscheduler">io priority</link>
* of the request.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: callback to call when the request is satisfied
* @user_data: the user_data to pass to callback function
@ -362,7 +363,8 @@ close_async_callback_wrapper (GObject *source_object,
/**
* g_file_enumerator_close_async:
* @enumerator: a #GFileEnumerator.
* @io_priority: the io priority of the request.
* @io_priority: the <link linkend="gio-GIOScheduler">I/O priority</link>
* of the request.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: callback to call when the request is satisfied
* @user_data: the user_data to pass to callback function

View File

@ -181,7 +181,8 @@ async_ready_callback_wrapper (GObject *source_object,
* g_file_input_stream_query_info_async:
* @stream: a #GFileInputStream.
* @attributes: a file attribute query string.
* @io_priority: the i/o priority of the request.
* @io_priority: the <link linkend="gio-GIOScheduler">I/O priority</link>
* of the request.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: callback to call when the request is satisfied
* @user_data: the data to pass to callback function

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@ -191,7 +191,8 @@ async_ready_callback_wrapper (GObject *source_object,
* g_file_output_stream_query_info_async:
* @stream: a #GFileOutputStream.
* @attributes: a file attribute query string.
* @io_priority: the io priority of the request.
* @io_priority: the <link linkend="gio-GIOScheduler">I/O priority</link>
* of the request.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: callback to call when the request is satisfied
* @user_data: the data to pass to callback function

View File

@ -380,5 +380,3 @@ g_filter_output_stream_close_finish (GOutputStream *stream,
#define __G_FILTER_OUTPUT_STREAM_C__
#include "gioaliasdef.c"
/* vim: ts=2 sw=2 et */

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@ -520,7 +520,8 @@ async_ready_close_callback_wrapper (GObject *source_object,
* @stream: A #GInputStream.
* @buffer: a buffer to read data into (which should be at least count bytes long).
* @count: the number of bytes that will be read from the stream
* @io_priority: the io priority of the request. the io priority of the request
* @io_priority: the <link linkend="gio-GIOScheduler">I/O priority</link>
* of the request.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: callback to call when the request is satisfied
* @user_data: the data to pass to callback function
@ -654,7 +655,8 @@ g_input_stream_read_finish (GInputStream *stream,
* g_input_stream_skip_async:
* @stream: A #GInputStream.
* @count: the number of bytes that will be skipped from the stream
* @io_priority: the io priority of the request. the io priority of the request
* @io_priority: the <link linkend="gio-GIOScheduler">I/O priority</link>
* of the request.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: callback to call when the request is satisfied
* @user_data: the data to pass to callback function
@ -785,7 +787,8 @@ g_input_stream_skip_finish (GInputStream *stream,
/**
* g_input_stream_close_async:
* @stream: A #GInputStream.
* @io_priority: the io priority of the request. the io priority of the request
* @io_priority: the <link linkend="gio-GIOScheduler">I/O priority</link>
* of the request.
* @cancellable: optional cancellable object
* @callback: callback to call when the request is satisfied
* @user_data: the data to pass to callback function

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@ -33,6 +33,12 @@
* Schedules asynchronous I/O operations for integration into the main
* event loop (#GMainLoop).
*
* Each I/O operation has a priority, and the scheduler uses the priorities
* to determine the order in which operations are executed. They are
* <emphasis>not</emphasis> used to determine system-wide I/O scheduling.
* Priorities are integers, with lower numbers indicating higher priority.
* It is recommended to choose priorities between %G_PRIORITY_LOW and
* %G_PRIORITY_HIGH, with %G_PRIORITY_DEFAULT as a default.
**/
struct _GIOJob {
@ -188,7 +194,8 @@ run_job_at_idle (gpointer data)
* @job_func: a #GIOJobFunc.
* @user_data: a #gpointer.
* @notify: a #GDestroyNotify.
* @io_priority: the i/o priority of the request. a #gint.
* @io_priority: the <link linkend="gioscheduler">I/O priority</link>
* of the request.
* @cancellable: optional #GCancellable object, %NULL to ignore.
*
* Schedules the I/O Job.
@ -326,7 +333,6 @@ mainloop_proxy_notify (gpointer data)
* @block: boolean flag indicating whether or not this job should block.
*
* Sends an I/O job to the application's main loop for processing.
*
**/
void
g_io_job_send_to_mainloop (GIOJob *job,