Go to the source code of this file.
Macros | |
| #define | OS_THREAD_MAX_N srv_max_n_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 |
| #define | DECLARE_THREAD(func) func |
| #define | os_thread_create(f, a, i) os_thread_create_func(f, a, i) |
Typedefs | |
| typedef pthread_t | os_thread_t |
| typedef os_thread_t | os_thread_id_t |
| typedef void *(* | os_thread_func_t )(void *) |
| typedef void *(* | os_posix_f_t )(void *) |
Functions | |
| UNIV_INTERN ibool | os_thread_eq (os_thread_id_t a, os_thread_id_t b) |
| UNIV_INTERN ulint | os_thread_pf (os_thread_id_t a) |
| UNIV_INTERN os_thread_t | os_thread_create_func (os_thread_func_t func, void *arg, os_thread_id_t *thread_id) |
| UNIV_INTERN void | os_thread_exit (void *exit_value) UNIV_COLD) |
| UNIV_INTERN os_thread_id_t | os_thread_get_curr_id (void) |
| UNIV_INTERN void | os_thread_yield (void) |
| UNIV_INTERN void | os_thread_sleep (ulint tm) |
Detailed Description
The interface to the operating system process and thread control primitives
Created 9/8/1995 Heikki Tuuri
Macro Definition Documentation
| #define DECLARE_THREAD | ( | func | ) | func |
Macro for specifying a POSIX thread start function.
Typedef Documentation
| typedef os_thread_t os_thread_id_t |
In Unix we use the thread handle itself as the id of the thread
Function Documentation
| UNIV_INTERN os_thread_t os_thread_create_func | ( | os_thread_func_t | func, |
| void * | arg, | ||
| os_thread_id_t * | 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.
- Returns
- handle to the thread out: id of the created thread, or NULL
- Parameters
-
func in: pointer to function from which to start arg in: argument to start function
| UNIV_INTERN ibool os_thread_eq | ( | os_thread_id_t | a, |
| os_thread_id_t | b | ||
| ) |
Compares two thread ids for equality.
- Returns
- TRUE if equal in: OS thread or thread id
- Parameters
-
a in: OS thread or thread id
| UNIV_INTERN void os_thread_exit | ( | void * | exit_value | ) |
Exits the current thread.
- Parameters
-
exit_value in: exit value; in Windows this void* is cast as a DWORD
| UNIV_INTERN os_thread_id_t os_thread_get_curr_id | ( | void | ) |
Returns the thread identifier of current thread.
- Returns
- current thread identifier
| UNIV_INTERN ulint os_thread_pf | ( | os_thread_id_t | a | ) |
Converts an OS thread id to a ulint. It is NOT guaranteed that the ulint is unique for the thread though!
- Returns
- thread identifier as a number in: OS thread identifier
| UNIV_INTERN void os_thread_sleep | ( | ulint | tm | ) |
The thread sleeps at least the time given in microseconds. in: time in microseconds
| UNIV_INTERN void os_thread_yield | ( | void | ) |
Advises the os to give up remainder of the thread's time slice.
