aboutsummaryrefslogtreecommitdiff
path: root/qemu-progress.c
diff options
context:
space:
mode:
authorPaolo Bonzini <pbonzini@redhat.com>2012-12-20 15:58:44 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2013-01-12 18:42:50 +0100
commitbaacf04799ace72a9c735dd9306a1ceaf305e7cf (patch)
tree5e6750afe4b31c4343f9dd4bc07827cbdcb51466 /qemu-progress.c
parentf157ebba2de4a6225679e13cc1ce01ff5d147c76 (diff)
build: move libqemuutil.a components to util/
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'qemu-progress.c')
-rw-r--r--qemu-progress.c150
1 files changed, 0 insertions, 150 deletions
diff --git a/qemu-progress.c b/qemu-progress.c
deleted file mode 100644
index 9a3f96cd47..0000000000
--- a/qemu-progress.c
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- * QEMU progress printing utility functions
- *
- * Copyright (C) 2011 Jes Sorensen <Jes.Sorensen@redhat.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu-common.h"
-#include "qemu/osdep.h"
-#include "sysemu/sysemu.h"
-#include <stdio.h>
-
-struct progress_state {
- float current;
- float last_print;
- float min_skip;
- void (*print)(void);
- void (*end)(void);
-};
-
-static struct progress_state state;
-static volatile sig_atomic_t print_pending;
-
-/*
- * Simple progress print function.
- * @percent relative percent of current operation
- * @max percent of total operation
- */
-static void progress_simple_print(void)
-{
- printf(" (%3.2f/100%%)\r", state.current);
- fflush(stdout);
-}
-
-static void progress_simple_end(void)
-{
- printf("\n");
-}
-
-static void progress_simple_init(void)
-{
- state.print = progress_simple_print;
- state.end = progress_simple_end;
-}
-
-#ifdef CONFIG_POSIX
-static void sigusr_print(int signal)
-{
- print_pending = 1;
-}
-#endif
-
-static void progress_dummy_print(void)
-{
- if (print_pending) {
- fprintf(stderr, " (%3.2f/100%%)\n", state.current);
- print_pending = 0;
- }
-}
-
-static void progress_dummy_end(void)
-{
-}
-
-static void progress_dummy_init(void)
-{
-#ifdef CONFIG_POSIX
- struct sigaction action;
-
- memset(&action, 0, sizeof(action));
- sigfillset(&action.sa_mask);
- action.sa_handler = sigusr_print;
- action.sa_flags = 0;
- sigaction(SIGUSR1, &action, NULL);
-#endif
-
- state.print = progress_dummy_print;
- state.end = progress_dummy_end;
-}
-
-/*
- * Initialize progress reporting.
- * If @enabled is false, actual reporting is suppressed. The user can
- * still trigger a report by sending a SIGUSR1.
- * Reports are also suppressed unless we've had at least @min_skip
- * percent progress since the last report.
- */
-void qemu_progress_init(int enabled, float min_skip)
-{
- state.min_skip = min_skip;
- if (enabled) {
- progress_simple_init();
- } else {
- progress_dummy_init();
- }
-}
-
-void qemu_progress_end(void)
-{
- state.end();
-}
-
-/*
- * Report progress.
- * @delta is how much progress we made.
- * If @max is zero, @delta is an absolut value of the total job done.
- * Else, @delta is a progress delta since the last call, as a fraction
- * of @max. I.e. the delta is @delta * @max / 100. This allows
- * relative accounting of functions which may be a different fraction of
- * the full job, depending on the context they are called in. I.e.
- * a function might be considered 40% of the full job if used from
- * bdrv_img_create() but only 20% if called from img_convert().
- */
-void qemu_progress_print(float delta, int max)
-{
- float current;
-
- if (max == 0) {
- current = delta;
- } else {
- current = state.current + delta / 100 * max;
- }
- if (current > 100) {
- current = 100;
- }
- state.current = current;
-
- if (current > (state.last_print + state.min_skip) ||
- (current == 100) || (current == 0)) {
- state.last_print = state.current;
- state.print();
- }
-}