mirror of
https://github.com/NVIDIA/nvidia-installer.git
synced 2025-07-23 10:23:00 +02:00
126 lines
3.2 KiB
C
126 lines
3.2 KiB
C
/*
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* Copyright (C) 2023 NVIDIA Corporation
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses>.
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*/
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#include <stdlib.h>
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#include <pthread.h>
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#include "ui-status-indeterminate.h"
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struct __indeterminate_data {
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pthread_mutex_t mutex;
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pthread_t thread;
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IndeterminateState state;
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};
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/* Allocate an IndeterminateData and initialize its mutex */
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IndeterminateData *indeterminate_init(void)
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{
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IndeterminateData *ret = calloc(1, sizeof(*ret));
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if (ret) {
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if (pthread_mutex_init(&ret->mutex, NULL) == 0) {
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ret->state = INDETERMINATE_INACTIVE;
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} else {
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ret->state = INDETERMINATE_INVALID;
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}
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}
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return ret;
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}
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/* Clean up IndeterminateData resources */
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void indeterminate_destroy(IndeterminateData *d)
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{
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if (d) {
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if (d->state != INDETERMINATE_INVALID) {
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pthread_mutex_destroy(&d->mutex);
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}
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free(d);
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}
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}
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/* Get the current state of the indeterminate progress bar */
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IndeterminateState indeterminate_get(IndeterminateData *d)
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{
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IndeterminateState state = INDETERMINATE_INVALID;
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if (d && d->state != INDETERMINATE_INVALID) {
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if (!pthread_mutex_lock(&d->mutex)) {
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state = d->state;
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if (pthread_mutex_unlock(&d->mutex)) {
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state = INDETERMINATE_INVALID;
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}
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}
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}
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return state;
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}
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static void indeterminate_set(IndeterminateData *d, IndeterminateState state)
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{
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if (!d || d->state == INDETERMINATE_INVALID) {
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return;
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} else if (pthread_mutex_lock(&d->mutex)) {
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d->state = INDETERMINATE_INVALID;
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return;
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}
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d->state = state;
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if (pthread_mutex_unlock(&d->mutex)) {
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d->state = INDETERMINATE_INVALID;
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}
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}
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/* Begin displaying a new indeterminate indicator, replacing any existing bar */
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void indeterminate_begin(IndeterminateData *d, void *(*worker)(void *),
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void *args)
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{
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if (!d || indeterminate_get(d) == INDETERMINATE_INVALID) {
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return;
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}
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/* Finish any existing indeterminate progress indicator */
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indeterminate_end(d);
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if (pthread_create(&d->thread, NULL, worker, args)) {
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indeterminate_set(d, INDETERMINATE_INVALID);
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} else {
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indeterminate_set(d, INDETERMINATE_ACTIVE);
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}
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}
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/* Stop the indeterminate progress bar and wait for it to finish updating */
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void indeterminate_end(IndeterminateData *d)
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{
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void *join_ret;
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if (!d || indeterminate_get(d) != INDETERMINATE_ACTIVE) {
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return;
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}
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indeterminate_set(d, INDETERMINATE_INACTIVE);
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if (pthread_join(d->thread, &join_ret)) {
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indeterminate_set(d, INDETERMINATE_INVALID);
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}
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}
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