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libspl: move thread definitions from zfs_context.h

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Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #17861
This commit is contained in:
Rob Norris 2025-08-25 21:45:35 +10:00 committed by Brian Behlendorf
parent 7234d69748
commit 21ae59a53b
3 changed files with 83 additions and 48 deletions
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49
include/sys/zfs_context.h
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@ -90,7 +90,6 @@ extern "C" {
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <pthread.h>
#include <setjmp.h>
#include <assert.h>
#include <umem.h>
@ -123,6 +122,7 @@ extern "C" {
#include <sys/rwlock.h>
#include <sys/condvar.h>
#include <sys/cmn_err.h>
#include <sys/thread.h>
#include <sys/zfs_delay.h>
#include <sys/zfs_context_os.h>
@ -176,53 +176,6 @@ extern "C" {
#endif /* DTRACE_PROBE4 */
#define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i)
/*
* Threads.
*/
typedef pthread_t kthread_t;
#define TS_RUN 0x00000002
#define TS_JOINABLE 0x00000004
#define curthread ((void *)(uintptr_t)pthread_self())
#define getcomm() "unknown"
#define thread_create_named(name, stk, stksize, func, arg, len, \
pp, state, pri) \
zk_thread_create(name, func, arg, stksize, state)
#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
zk_thread_create(#func, func, arg, stksize, state)
#define thread_exit() pthread_exit(NULL)
#define thread_join(t) pthread_join((pthread_t)(t), NULL)
#define newproc(f, a, cid, pri, ctp, pid) (ENOSYS)
/*
* Check if the current thread is a memory reclaim thread.
* Always returns false in userspace (no memory reclaim thread).
*/
#define current_is_reclaim_thread() (0)
/* in libzpool, p0 exists only to have its address taken */
typedef struct proc {
uintptr_t this_is_never_used_dont_dereference_it;
} proc_t;
extern struct proc p0;
#define curproc (&p0)
#define PS_NONE -1
extern kthread_t *zk_thread_create(const char *name, void (*func)(void *),
void *arg, size_t stksize, int state);
#define issig() (FALSE)
#define KPREEMPT_SYNC (-1)
#define kpreempt(x) sched_yield()
#define kpreempt_disable() ((void)0)
#define kpreempt_enable() ((void)0)
/*
* Credentials
*/

1
lib/libspl/include/Makefile.am
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@ -57,6 +57,7 @@ libspl_sys_HEADERS = \
%D%/sys/string.h \
%D%/sys/sunddi.h \
%D%/sys/systeminfo.h \
%D%/sys/thread.h \
%D%/sys/time.h \
%D%/sys/timer.h \
%D%/sys/trace_spl.h \

81
lib/libspl/include/sys/thread.h Normal file
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@ -0,0 +1,81 @@
// SPDX-License-Identifier: CDDL-1.0
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or https://opensource.org/licenses/CDDL-1.0.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2012, 2018 by Delphix. All rights reserved.
* Copyright (c) 2012, Joyent, Inc. All rights reserved.
*/
#ifndef _SYS_THREAD_H
#define _SYS_THREAD_H
#include <pthread.h>
/*
* Threads.
*/
typedef pthread_t kthread_t;
#define TS_RUN 0x00000002
#define TS_JOINABLE 0x00000004
#define curthread ((void *)(uintptr_t)pthread_self())
#define getcomm() "unknown"
#define thread_create_named(name, stk, stksize, func, arg, len, \
pp, state, pri) \
zk_thread_create(name, func, arg, stksize, state)
#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
zk_thread_create(#func, func, arg, stksize, state)
#define thread_exit() pthread_exit(NULL)
#define thread_join(t) pthread_join((pthread_t)(t), NULL)
#define newproc(f, a, cid, pri, ctp, pid) (ENOSYS)
/*
* Check if the current thread is a memory reclaim thread.
* Always returns false in userspace (no memory reclaim thread).
*/
#define current_is_reclaim_thread() (0)
/* in libzpool, p0 exists only to have its address taken */
typedef struct proc {
uintptr_t this_is_never_used_dont_dereference_it;
} proc_t;
extern struct proc p0;
#define curproc (&p0)
#define PS_NONE -1
extern kthread_t *zk_thread_create(const char *name, void (*func)(void *),
void *arg, size_t stksize, int state);
#define issig() (FALSE)
#define KPREEMPT_SYNC (-1)
#define kpreempt(x) sched_yield()
#define kpreempt_disable() ((void)0)
#define kpreempt_enable() ((void)0)
#endif /* _SYS_THREAD_H */