We will shortly convert lockable.h to _Generic, and we cannot have two compatible types in the same expansion. Wrap QemuMutex in a struct, and unwrap in qemu-thread-posix.c. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-Id: <20210614233143.1221879-6-richard.henderson@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
		
			
				
	
	
		
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			54 lines
		
	
	
		
			878 B
		
	
	
	
		
			C
		
	
	
	
	
	
#ifndef QEMU_THREAD_POSIX_H
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#define QEMU_THREAD_POSIX_H
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#include <pthread.h>
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#include <semaphore.h>
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struct QemuMutex {
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    pthread_mutex_t lock;
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#ifdef CONFIG_DEBUG_MUTEX
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    const char *file;
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    int line;
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#endif
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    bool initialized;
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};
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/*
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 * QemuRecMutex cannot be a typedef of QemuMutex lest we have two
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 * compatible cases in _Generic.  See qemu/lockable.h.
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 */
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typedef struct QemuRecMutex {
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    QemuMutex m;
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} QemuRecMutex;
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struct QemuCond {
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    pthread_cond_t cond;
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    bool initialized;
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};
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struct QemuSemaphore {
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#ifndef CONFIG_SEM_TIMEDWAIT
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    pthread_mutex_t lock;
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    pthread_cond_t cond;
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    unsigned int count;
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#else
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    sem_t sem;
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#endif
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    bool initialized;
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};
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struct QemuEvent {
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#ifndef __linux__
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    pthread_mutex_t lock;
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    pthread_cond_t cond;
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#endif
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    unsigned value;
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    bool initialized;
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};
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struct QemuThread {
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    pthread_t thread;
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};
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#endif
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