58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
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/*
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* QEMU Thread Context
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*
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* Copyright Red Hat Inc., 2022
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*
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* Authors:
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* David Hildenbrand <david@redhat.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef SYSEMU_THREAD_CONTEXT_H
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#define SYSEMU_THREAD_CONTEXT_H
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#include "qapi/qapi-types-machine.h"
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#include "qemu/thread.h"
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#include "qom/object.h"
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#define TYPE_THREAD_CONTEXT "thread-context"
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OBJECT_DECLARE_TYPE(ThreadContext, ThreadContextClass,
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THREAD_CONTEXT)
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struct ThreadContextClass {
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ObjectClass parent_class;
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};
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struct ThreadContext {
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/* private */
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Object parent;
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/* private */
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unsigned int thread_id;
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QemuThread thread;
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/* Semaphore to wait for context thread action. */
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QemuSemaphore sem;
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/* Semaphore to wait for action in context thread. */
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QemuSemaphore sem_thread;
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/* Mutex to synchronize requests. */
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QemuMutex mutex;
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/* Commands for the thread to execute. */
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int thread_cmd;
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void *thread_cmd_data;
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/* CPU affinity bitmap used for initialization. */
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unsigned long *init_cpu_bitmap;
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int init_cpu_nbits;
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};
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void thread_context_create_thread(ThreadContext *tc, QemuThread *thread,
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const char *name,
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void *(*start_routine)(void *), void *arg,
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int mode);
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#endif /* SYSEMU_THREAD_CONTEXT_H */
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