diff options
Diffstat (limited to 'innobase/include/os0thread.h')
-rw-r--r-- | innobase/include/os0thread.h | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/innobase/include/os0thread.h b/innobase/include/os0thread.h deleted file mode 100644 index c00d28baf60..00000000000 --- a/innobase/include/os0thread.h +++ /dev/null @@ -1,145 +0,0 @@ -/****************************************************** -The interface to the operating system -process and thread control primitives - -(c) 1995 Innobase Oy - -Created 9/8/1995 Heikki Tuuri -*******************************************************/ - -#ifndef os0thread_h -#define os0thread_h - -#include "univ.i" - -/* Maximum number of threads which can be created in the program; -this is also the size of the wait slot array for MySQL threads which -can wait inside InnoDB */ - -#define OS_THREAD_MAX_N srv_max_n_threads - - -/* Possible fixed priorities for threads */ -#define OS_THREAD_PRIORITY_NONE 100 -#define OS_THREAD_PRIORITY_BACKGROUND 1 -#define OS_THREAD_PRIORITY_NORMAL 2 -#define OS_THREAD_PRIORITY_ABOVE_NORMAL 3 - -#ifdef __WIN__ -typedef void* os_thread_t; -typedef ulint os_thread_id_t; /* In Windows the thread id - is an unsigned long int */ -#else -typedef pthread_t os_thread_t; -typedef os_thread_t os_thread_id_t; /* In Unix we use the thread - handle itself as the id of - the thread */ -#endif - -/* Define a function pointer type to use in a typecast */ -typedef void* (*os_posix_f_t) (void*); - -/******************************************************************* -Compares two thread ids for equality. */ - -ibool -os_thread_eq( -/*=========*/ - /* out: TRUE if equal */ - os_thread_id_t a, /* in: OS thread or thread id */ - os_thread_id_t b); /* in: OS thread or thread id */ -/******************************************************************** -Converts an OS thread id to a ulint. It is NOT guaranteed that the ulint is -unique for the thread though! */ - -ulint -os_thread_pf( -/*=========*/ - /* out: unsigned long int */ - os_thread_id_t a); /* in: thread or thread id */ -/******************************************************************** -Creates a new thread of execution. The execution starts from -the function given. The start function takes a void* parameter -and returns a ulint. -NOTE: We count the number of threads in os_thread_exit(). A created -thread should always use that to exit and not use return() to exit. */ - -os_thread_t -os_thread_create( -/*=============*/ - /* out: handle to the thread */ -#ifndef __WIN__ - os_posix_f_t start_f, -#else - ulint (*start_f)(void*), /* in: pointer to function - from which to start */ -#endif - void* arg, /* in: argument to start - function */ - os_thread_id_t* thread_id); /* out: id of the created - thread */ -int -os_thread_join( -/*=============*/ - os_thread_id_t thread_id); /* in: id of the thread to join */ -/********************************************************************* -Exits the current thread. */ - -void -os_thread_exit( -/*===========*/ - void* exit_value); /* in: exit value; in Windows this void* - is cast as a DWORD */ -/********************************************************************* -Returns the thread identifier of current thread. */ - -os_thread_id_t -os_thread_get_curr_id(void); -/*========================*/ -/********************************************************************* -Returns handle to the current thread. */ - -os_thread_t -os_thread_get_curr(void); -/*====================*/ -/********************************************************************* -Advises the os to give up remainder of the thread's time slice. */ - -void -os_thread_yield(void); -/*=================*/ -/********************************************************************* -The thread sleeps at least the time given in microseconds. */ - -void -os_thread_sleep( -/*============*/ - ulint tm); /* in: time in microseconds */ -/********************************************************************** -Gets a thread priority. */ - -ulint -os_thread_get_priority( -/*===================*/ - /* out: priority */ - os_thread_t handle);/* in: OS handle to the thread */ -/********************************************************************** -Sets a thread priority. */ - -void -os_thread_set_priority( -/*===================*/ - os_thread_t handle, /* in: OS handle to the thread */ - ulint pri); /* in: priority: one of OS_PRIORITY_... */ -/********************************************************************** -Gets the last operating system error code for the calling thread. */ - -ulint -os_thread_get_last_error(void); -/*==========================*/ - -#ifndef UNIV_NONINL -#include "os0thread.ic" -#endif - -#endif |