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qsp: hide indirect function calls from Coverity 

Coverity does not see anymore that qemu_mutex_lock is taking a lock.
Hide all the QSP magic so that static analysis works again.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2018-08-24 17:08:09 +02:00
parent 2d1df85910
commit 07d66672e7
1 changed files with 17 additions and 0 deletions
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17
include/qemu/thread.h
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@ -48,6 +48,22 @@ extern QemuCondWaitFunc qemu_cond_wait_func;
#define qemu_mutex_trylock__raw(m) \ #define qemu_mutex_trylock__raw(m) \
qemu_mutex_trylock_impl(m, __FILE__, __LINE__) qemu_mutex_trylock_impl(m, __FILE__, __LINE__)
#ifdef __COVERITY__
/*
* Coverity is severely confused by the indirect function calls,
* hide them.
*/
#define qemu_mutex_lock(m) \
qemu_mutex_lock_impl(m, __FILE__, __LINE__);
#define qemu_mutex_trylock(m) \
qemu_mutex_trylock_impl(m, __FILE__, __LINE__);
#define qemu_rec_mutex_lock(m) \
qemu_rec_mutex_lock_impl(m, __FILE__, __LINE__);
#define qemu_rec_mutex_trylock(m) \
qemu_rec_mutex_trylock_impl(m, __FILE__, __LINE__);
#define qemu_cond_wait(c, m) \
qemu_cond_wait_impl(c, m, __FILE__, __LINE__);
#else
#define qemu_mutex_lock(m) ({ \ #define qemu_mutex_lock(m) ({ \
QemuMutexLockFunc _f = atomic_read(&qemu_mutex_lock_func); \ QemuMutexLockFunc _f = atomic_read(&qemu_mutex_lock_func); \
_f(m, __FILE__, __LINE__); \ _f(m, __FILE__, __LINE__); \
@ -73,6 +89,7 @@ extern QemuCondWaitFunc qemu_cond_wait_func;
QemuCondWaitFunc _f = atomic_read(&qemu_cond_wait_func); \ QemuCondWaitFunc _f = atomic_read(&qemu_cond_wait_func); \
_f(c, m, __FILE__, __LINE__); \ _f(c, m, __FILE__, __LINE__); \
}) })
#endif
#define qemu_mutex_unlock(mutex) \ #define qemu_mutex_unlock(mutex) \
qemu_mutex_unlock_impl(mutex, __FILE__, __LINE__) qemu_mutex_unlock_impl(mutex, __FILE__, __LINE__)