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tw.c

Linux task signal headerLinux io_uring header

SHA-25614b5384f260335414a5c48a60d5c3338e7da0b459a582de574bb8380a268d627

Evidence

Linux task signal header lines 1–20

1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Task work handling for io_uring
4 */
5#include <linux/kernel.h>
6#include <linux/errno.h>
7#include <linux/sched/signal.h>
8#include <linux/io_uring.h>
9#include <linux/indirect_call_wrapper.h>
10
11#include "io_uring.h"
12#include "tctx.h"
13#include "poll.h"
14#include "rw.h"
15#include "eventfd.h"
16#include "wait.h"
17
18void io_fallback_req_func(struct work_struct *work)
19{
20	struct io_ring_ctx *ctx = container_o …

English function-word token "the" lines 45–53

45:23… refs);
46}
47
48/*
49 * Run queued task_work, returning the number of entries processed in *count.
50 * If more entries than max_entries are available, stop processing once this
51 * is reached and return the rest of the list.
52 */
53struct llist_node *io_handle_tw_list(struct llist_node *node,

English function-word token "with" lines 156–157

156:2… * Sets IORING_SQ_TASKRUN in the sq_flags shared with userspace, using the
157 * RCU protected rings pointer to be safe against concurrent ring resizing …

English function-word token "that" lines 200–206

4… 
201
/*
 * Theoretically, it can overflow, but that's fine as one of
 * previous adds should've tried to wake the task.
 */
nr_tw = nr_tw_pre …

Kernel error code return lines 321–328

5…  ret = 0;
322
if (WARN_ON_ONCE(ctx->submitter_task != current))
return -EEXIST;
if (ctx->flags & IORING_SETUP_TASKRUN_FLAG)
atomic_andnot(IORING_SQ_TASKRUN, &ctx->rings->sq_flags);
327again:
tw.cancel = io …