xemu/include/qemu/thread-posix.h
Richard Henderson 6c98635ed7 util: Use unique type for QemuRecMutex in thread-posix.h
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: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210614233143.1221879-6-richard.henderson@linaro.org>
2021-06-15 18:31:00 -07:00

54 lines
878 B
C

#ifndef QEMU_THREAD_POSIX_H
#define QEMU_THREAD_POSIX_H
#include <pthread.h>
#include <semaphore.h>
struct QemuMutex {
pthread_mutex_t lock;
#ifdef CONFIG_DEBUG_MUTEX
const char *file;
int line;
#endif
bool initialized;
};
/*
* QemuRecMutex cannot be a typedef of QemuMutex lest we have two
* compatible cases in _Generic. See qemu/lockable.h.
*/
typedef struct QemuRecMutex {
QemuMutex m;
} QemuRecMutex;
struct QemuCond {
pthread_cond_t cond;
bool initialized;
};
struct QemuSemaphore {
#ifndef CONFIG_SEM_TIMEDWAIT
pthread_mutex_t lock;
pthread_cond_t cond;
unsigned int count;
#else
sem_t sem;
#endif
bool initialized;
};
struct QemuEvent {
#ifndef __linux__
pthread_mutex_t lock;
pthread_cond_t cond;
#endif
unsigned value;
bool initialized;
};
struct QemuThread {
pthread_t thread;
};
#endif