cf21871479
Split from Jan's original qemu-thread-posix.c patch. No semantic change, just introduce the new API that POSIX and Win32 implementations will conform to. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
#ifndef __QEMU_THREAD_H
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#define __QEMU_THREAD_H 1
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#include <inttypes.h>
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typedef struct QemuMutex QemuMutex;
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typedef struct QemuCond QemuCond;
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typedef struct QemuThread QemuThread;
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#ifdef _WIN32
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#include "qemu-thread-win32.h"
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#else
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#include "qemu-thread-posix.h"
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#endif
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#define QEMU_THREAD_JOINABLE 0
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#define QEMU_THREAD_DETACHED 1
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void qemu_mutex_init(QemuMutex *mutex);
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void qemu_mutex_destroy(QemuMutex *mutex);
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void qemu_mutex_lock(QemuMutex *mutex);
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int qemu_mutex_trylock(QemuMutex *mutex);
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void qemu_mutex_unlock(QemuMutex *mutex);
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#define rcu_read_lock() do { } while (0)
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#define rcu_read_unlock() do { } while (0)
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void qemu_cond_init(QemuCond *cond);
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void qemu_cond_destroy(QemuCond *cond);
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/*
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* IMPORTANT: The implementation does not guarantee that pthread_cond_signal
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* and pthread_cond_broadcast can be called except while the same mutex is
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* held as in the corresponding pthread_cond_wait calls!
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*/
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void qemu_cond_signal(QemuCond *cond);
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void qemu_cond_broadcast(QemuCond *cond);
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void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex);
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void qemu_thread_create(QemuThread *thread,
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void *(*start_routine)(void *),
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void *arg, int mode);
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void *qemu_thread_join(QemuThread *thread);
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void qemu_thread_get_self(QemuThread *thread);
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int qemu_thread_is_self(QemuThread *thread);
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void qemu_thread_exit(void *retval);
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#endif
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