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#ifndef STORAGE_PERFSCHEMA_MY_THREAD_INCLUDED
#define STORAGE_PERFSCHEMA_MY_THREAD_INCLUDED
#include <my_pthread.h>
#include <m_string.h>
#include "pfs_config.h"
#ifdef HAVE_SYS_GETTID
#include <sys/types.h>
#include <sys/syscall.h>
#endif
#ifdef HAVE_PTHREAD_GETTHREADID_NP
#include <pthread_np.h>
#endif
#if defined(HAVE_INTEGER_PTHREAD_SELF)
#include <cstdint>
#endif
typedef pthread_key_t thread_local_key_t;
typedef pthread_t my_thread_handle;
typedef pthread_attr_t my_thread_attr_t;
#if defined(HAVE_PTHREAD_THREADID_NP) || defined(HAVE_GETTID) || defined(HAVE_SYS_GETTID) || defined(HAVE_GETTHRID)
typedef pid_t my_thread_os_id_t;
#elif defined(_WIN32)
typedef uint32 my_thread_os_id_t;
#elif defined(HAVE_PTHREAD_GETTHREADID_NP)
typedef int my_thread_os_id_t;
#elif defined(HAVE_INTEGER_PTHREAD_SELF)
typedef uintptr_t my_thread_os_id_t;
#else
typedef unsigned long long my_thread_os_id_t;
#endif
#define LOCK_plugin_delete LOCK_plugin
static inline int my_create_thread_local_key(thread_local_key_t *key, void (*destructor)(void*))
{ return pthread_key_create(key, destructor); }
static inline int my_delete_thread_local_key(thread_local_key_t key)
{ return pthread_key_delete(key); }
static inline void *my_get_thread_local(thread_local_key_t key)
{ return pthread_getspecific(key); }
static inline int my_set_thread_local(thread_local_key_t key, const void *ptr)
{ return pthread_setspecific(key, ptr); }
static inline int my_thread_create(my_thread_handle *thread,
const my_thread_attr_t *attr, void *(*start_routine)(void *), void *arg)
{ return pthread_create(thread, attr, start_routine, arg); }
static inline my_thread_os_id_t my_thread_os_id()
{
#ifdef HAVE_PTHREAD_THREADID_NP
/*
macOS.
Be careful to use this version first, and to not use SYS_gettid on macOS,
as SYS_gettid has a different meaning compared to linux gettid().
*/
uint64_t tid64;
pthread_threadid_np(nullptr, &tid64);
return (pid_t)tid64;
#else
#ifdef HAVE_GETTID
/* Linux glibc-2.30+ */
return gettid();
#else
#ifdef HAVE_SYS_GETTID
/*
Linux before glibc-2.30
See man gettid
*/
return syscall(SYS_gettid);
#else
#ifdef _WIN32
/* Windows */
return GetCurrentThreadId();
#else
#ifdef HAVE_PTHREAD_GETTHREADID_NP
/* FreeBSD 10.2 */
return pthread_getthreadid_np();
#else
#ifdef HAVE_GETTHRID
/* OpenBSD */
return getthrid();
#else
#ifdef HAVE_INTEGER_PTHREAD_SELF
/* NetBSD, and perhaps something else, fallback. */
return (my_thread_os_id_t) pthread_self();
#else
/* Feature not available. */
return 0;
#endif /* HAVE_INTEGER_PTHREAD_SELF */
#endif /* HAVE_GETTHRID */
#endif /* HAVE_PTHREAD_GETTHREADID_NP */
#endif /* _WIN32 */
#endif /* HAVE_SYS_GETTID */
#endif /* HAVE_GETTID */
#endif /* HAVE_PTHREAD_THREADID_NP */
}
#define CHANNEL_NAME_LENGTH MAX_CONNECTION_NAME
enum enum_mysql_show_scope
{
SHOW_SCOPE_UNDEF,
SHOW_SCOPE_GLOBAL,
SHOW_SCOPE_SESSION,
SHOW_SCOPE_ALL
};
typedef enum enum_mysql_show_scope SHOW_SCOPE;
#define SHOW_VAR_MAX_NAME_LEN NAME_LEN
static inline char *my_stpnmov(char *dst, const char *src, size_t n)
{ return strnmov(dst, src, n); }
static inline size_t bin_to_hex_str(char *to, size_t to_len,
const char *from, size_t from_len)
{
if (to_len < from_len * 2 + 1)
return 0 ;
for (size_t i=0; i < from_len; i++, from++)
{
*to++=_dig_vec_upper[((unsigned char) *from) >> 4];
*to++=_dig_vec_upper[((unsigned char) *from) & 0xF];
}
*to= '\0';
return from_len * 2 + 1;
}
#define thd_get_psi(X) ((X)->get_psi())
#endif
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