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https://gitlab.com/freepascal.org/fpc/source.git
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337 lines
20 KiB
PHP
337 lines
20 KiB
PHP
{
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This file is part of the Free Pascal run time library.
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Copyright (c) 1999-2000 by Peter Vreman
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member of the Free Pascal development team.
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This file contains a pthread.h headerconversion for Linux.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************}
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{*****************************************************************************
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Local POSIX Threads (pthread) imports
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*****************************************************************************}
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{ Attributes }
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const
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THREAD_PRIORITY_IDLE = 1;
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THREAD_PRIORITY_LOWEST = 15;
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THREAD_PRIORITY_BELOW_NORMAL = 30;
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THREAD_PRIORITY_NORMAL = 50;
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THREAD_PRIORITY_ABOVE_NORMAL = 70;
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THREAD_PRIORITY_HIGHEST = 80;
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THREAD_PRIORITY_TIME_CRITICAL = 99;
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PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP : array [0..5]of Integer = (0, 0, 0, 1, 0, 0);
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Type
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psem_t = ^sem_t;
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TSemaphore = sem_t;
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PSemaphore = ^TSemaphore;
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{$ifndef FPC_USE_LIBC}
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tlibc_sigset = array[0..(1024 div 32)-1] of cuLong;
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plibc_sigset = ^tlibc_sigset;
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{$else not FPC_USE_LIBC}
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tlibc_sigset = tsigset;
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plibc_sigset = psigset;
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{$endif not FPC_USE_LIBC}
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TThreadPriority = (tpIdle, tpLowest, tpLower, tpNormal, tpHigher, tpHighest, tpTimeCritical);
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const
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Priorities: array [TThreadPriority] of Integer = (
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THREAD_PRIORITY_IDLE, THREAD_PRIORITY_LOWEST, THREAD_PRIORITY_BELOW_NORMAL,
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THREAD_PRIORITY_NORMAL, THREAD_PRIORITY_ABOVE_NORMAL,
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THREAD_PRIORITY_HIGHEST, THREAD_PRIORITY_TIME_CRITICAL
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);
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const
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_POSIX_THREAD_THREADS_MAX = 64;
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PTHREAD_THREADS_MAX = 512;
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_POSIX_THREAD_KEYS_MAX = 128;
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PTHREAD_KEYS_MAX = 128;
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type
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ppthread_t = ^pthread_t;
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{
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p_pthread_queue = ^_pthread_queue;
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}
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ppthread_mutex_t = ^pthread_mutex_t;
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ppthread_cond_t = ^pthread_cond_t;
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{ Attributes }
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const
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PTHREAD_CREATE_JOINABLE = 0;
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PTHREAD_CREATE_DETACHED = 1;
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PTHREAD_INHERIT_SCHED = 0;
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PTHREAD_EXPLICIT_SCHED = 1;
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PTHREAD_SCOPE_SYSTEM = 0;
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PTHREAD_SCOPE_PROCESS = 1;
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type
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psched_param = ^sched_param;
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ppthread_attr_t = ^pthread_attr_t;
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ppthread_mutexattr_t = ^pthread_mutexattr_t;
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ppthread_condattr_t = ^pthread_condattr_t;
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ppthread_key_t = ^pthread_key_t;
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{ pthread_once_t = cint;
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ppthread_once_t = ^pthread_once_t;}
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const
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PTHREAD_ONCE_INIT = 0;
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type
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(*
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tpcb_routine = Procedure(P:Pointer); cdecl;
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p_pthread_cleanup_buffer = ^_pthread_cleanup_buffer;
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_pthread_cleanup_buffer = record
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routine : tpcb_routine; { Function to call. }
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arg : Pointer; { Its argument. }
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canceltype:LongInt; { Saved cancellation type. }
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prev : p_pthread_cleanup_buffer; { Chaining of cleanup functions. }
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end;
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*)
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__start_routine_t = function (_para1:pointer):pointer;cdecl;
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__destr_function_t = procedure (_para1:pointer);
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{ t_pthread_cleanup_push_routine = procedure (_para1:pointer);
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t_pthread_cleanup_push_defer_routine = procedure (_para1:pointer);}
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{$ifndef dynpthreads}
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function pthread_create(__thread:ppthread_t; __attr:ppthread_attr_t;__start_routine: __start_routine_t;__arg:pointer):longint;cdecl;external;
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function pthread_self:pthread_t;cdecl;external;
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function pthread_equal(__thread1:pthread_t; __thread2:pthread_t):longint;cdecl;external;
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procedure pthread_exit(__retval:pointer);cdecl;external;
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function pthread_join(__th:pthread_t; __thread_return:ppointer):longint;cdecl;external;
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function pthread_detach(__th:pthread_t):longint;cdecl;external;
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function pthread_attr_init(__attr:ppthread_attr_t):longint;cdecl;external;
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function pthread_attr_destroy(__attr:ppthread_attr_t):longint;cdecl;external;
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function pthread_attr_setdetachstate(__attr:ppthread_attr_t; __detachstate:longint):longint;cdecl;external;
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function pthread_attr_getdetachstate(__attr:ppthread_attr_t; __detachstate:plongint):longint;cdecl;external;
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function pthread_attr_setschedparam(__attr:ppthread_attr_t; __param:psched_param):longint;cdecl;external;
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function pthread_attr_getschedparam(__attr:ppthread_attr_t; __param:psched_param):longint;cdecl;external;
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function pthread_attr_setschedpolicy(__attr:ppthread_attr_t; __policy:longint):longint;cdecl;external;
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function pthread_attr_getschedpolicy(__attr:ppthread_attr_t; __policy:plongint):longint;cdecl;external;
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function pthread_attr_setinheritsched(__attr:ppthread_attr_t; __inherit:longint):longint;cdecl;external;
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function pthread_attr_getinheritsched(__attr:ppthread_attr_t; __inherit:plongint):longint;cdecl;external;
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function pthread_attr_setstacksize(p: ppthread_attr_t;s:size_t):cint;cdecl;external;
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function pthread_attr_getstacksize(p: ppthread_attr_t;s:psize_t):cint;cdecl;external;
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function pthread_attr_setscope(__attr:ppthread_attr_t; __scope:longint):longint;cdecl;external;
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function pthread_attr_getscope(__attr:ppthread_attr_t; __scope:plongint):longint;cdecl;external;
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function pthread_setschedparam(__target_thread:pthread_t; __policy:longint; __param:psched_param):longint;cdecl;external;
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function pthread_getschedparam(__target_thread:pthread_t; __policy:plongint; __param:psched_param):longint;cdecl;external;
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function pthread_mutex_init(__mutex:ppthread_mutex_t; __mutex_attr:ppthread_mutexattr_t):longint;cdecl;external;
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function pthread_mutex_destroy(__mutex:ppthread_mutex_t):longint;cdecl;external;
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function pthread_mutex_trylock(__mutex:ppthread_mutex_t):longint;cdecl;external;
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function pthread_mutex_lock(__mutex:ppthread_mutex_t):longint;cdecl;external;
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function pthread_mutex_unlock(__mutex:ppthread_mutex_t):longint;cdecl;external;
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function pthread_mutexattr_init(__attr:ppthread_mutexattr_t):longint;cdecl;external;
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function pthread_mutexattr_destroy(__attr:ppthread_mutexattr_t):longint;cdecl;external;
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function pthread_mutexattr_setkind_np(__attr:ppthread_mutexattr_t; __kind:longint):longint;cdecl;external;
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function pthread_mutexattr_getkind_np(__attr:ppthread_mutexattr_t; __kind:plongint):longint;cdecl;external;
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function pthread_cond_init(__cond:ppthread_cond_t; __cond_attr:ppthread_condattr_t):longint;cdecl;external;
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function pthread_cond_destroy(__cond:ppthread_cond_t):longint;cdecl;external;
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function pthread_cond_signal(__cond:ppthread_cond_t):longint;cdecl;external;
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function pthread_cond_broadcast(__cond:ppthread_cond_t):longint;cdecl;external;
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function pthread_cond_wait(__cond:ppthread_cond_t; __mutex:ppthread_mutex_t):longint;cdecl;external;
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function pthread_cond_timedwait(__cond:ppthread_cond_t; __mutex:ppthread_mutex_t; __abstime:ptimespec):longint;cdecl;external;
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function pthread_condattr_init(__attr:ppthread_condattr_t):longint;cdecl;external;
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function pthread_condattr_destroy(__attr:ppthread_condattr_t):longint;cdecl;external;
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function pthread_key_create(__key:ppthread_key_t; __destr_function:__destr_function_t):longint;cdecl;external;
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function pthread_key_delete(__key:pthread_key_t):longint;cdecl;external;
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function pthread_setspecific(__key:pthread_key_t; __pointer:pointer):longint;cdecl;external;
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function pthread_getspecific(__key:pthread_key_t):pointer;cdecl;external;
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{ function pthread_once(__once_control:ppthread_once_t; __init_routine:tprocedure ):longint;cdecl;external;}
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function pthread_setcancelstate(__state:longint; __oldstate:plongint):longint;cdecl;external;
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function pthread_setcanceltype(__type:longint; __oldtype:plongint):longint;cdecl;external;
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function pthread_cancel(__thread:pthread_t):longint;cdecl;external;
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procedure pthread_testcancel;cdecl;external;
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{ procedure _pthread_cleanup_push(__buffer:p_pthread_cleanup_buffer;__routine:t_pthread_cleanup_push_routine; __arg:pointer);cdecl;external; }
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{ procedure _pthread_cleanup_push_defer(__buffer:p_pthread_cleanup_buffer;__routine:t_pthread_cleanup_push_defer_routine; __arg:pointer);cdecl;external;}
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{ function pthread_sigmask(__how:longint; __newmask:plibc_sigset; __oldmask:plibc_sigset):longint;cdecl;external;}
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function pthread_kill(__thread:pthread_t; __signo:longint):longint;cdecl;external;
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{ function sigwait(__set:plibc_sigset; __sig:plongint):longint;cdecl;external;}
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function pthread_atfork(__prepare:tprocedure ; __parent:tprocedure ; __child:tprocedure ):longint;cdecl;external;
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procedure pthread_kill_other_threads_np;cdecl;external;
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function pthread_sigmask(how: cint; nset: plibc_sigset; oset: plibc_sigset): cint; cdecl; external;
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function sem_init (__sem:Psem_t; __pshared:longint; __value:dword):longint;cdecl;external;
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function sem_destroy (__sem:Psem_t):longint;cdecl;external;
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function sem_close (__sem:Psem_t):longint;cdecl;external;
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function sem_unlink (__name:Pchar):longint;cdecl;external;
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function sem_wait (__sem:Psem_t):longint;cdecl;external;
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function sem_timedwait (__sem:Psem_t; __abs_timeout:ptimespec):longint;cdecl;
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function sem_trywait (__sem:Psem_t):longint;cdecl;external;
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function sem_post (__sem:Psem_t):longint;cdecl;external;
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function sem_getvalue (__sem:Psem_t; __sval:Plongint):longint;cdecl;external;
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function pthread_mutexattr_settype (__attr: Ppthread_mutexattr_t; Kind:Integer): Integer; cdecl;external;
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{$else}
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Var
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pthread_create : Function(__thread:ppthread_t; __attr:ppthread_attr_t;__start_routine: __start_routine_t;__arg:pointer):longint;cdecl;
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pthread_self: Function : pthread_t;cdecl;
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pthread_equal : Function(__thread1:pthread_t; __thread2:pthread_t):longint;cdecl;
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pthread_exit : procedure (__retval:pointer);cdecl;
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pthread_join : Function(__th:pthread_t; __thread_return:ppointer):longint;cdecl;
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pthread_detach : Function(__th:pthread_t):longint;cdecl;
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pthread_attr_init : Function(__attr:ppthread_attr_t):longint;cdecl;
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pthread_attr_destroy : Function(__attr:ppthread_attr_t):longint;cdecl;
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pthread_attr_setdetachstate : Function(__attr:ppthread_attr_t; __detachstate:longint):longint;cdecl;
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pthread_attr_getdetachstate : Function(__attr:ppthread_attr_t; __detachstate:plongint):longint;cdecl;
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pthread_attr_setschedparam : Function(__attr:ppthread_attr_t; __param:psched_param):longint;cdecl;
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pthread_attr_getschedparam : Function(__attr:ppthread_attr_t; __param:psched_param):longint;cdecl;
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pthread_attr_setschedpolicy : Function(__attr:ppthread_attr_t; __policy:longint):longint;cdecl;
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pthread_attr_getschedpolicy : Function(__attr:ppthread_attr_t; __policy:plongint):longint;cdecl;
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pthread_attr_setinheritsched : Function(__attr:ppthread_attr_t; __inherit:longint):longint;cdecl;
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pthread_attr_getinheritsched : Function(__attr:ppthread_attr_t; __inherit:plongint):longint;cdecl;
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pthread_attr_setscope : Function(__attr:ppthread_attr_t; __scope:longint):longint;cdecl;
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pthread_attr_getscope : Function(__attr:ppthread_attr_t; __scope:plongint):longint;cdecl;
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pthread_setschedparam : Function(__target_thread:pthread_t; __policy:longint; __param:psched_param):longint;cdecl;
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pthread_getschedparam : Function(__target_thread:pthread_t; __policy:plongint; __param:psched_param):longint;cdecl;
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pthread_mutex_init : Function(__mutex:ppthread_mutex_t; __mutex_attr:ppthread_mutexattr_t):longint;cdecl;
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pthread_mutex_destroy : Function(__mutex:ppthread_mutex_t):longint;cdecl;
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pthread_mutex_trylock : Function(__mutex:ppthread_mutex_t):longint;cdecl;
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pthread_mutex_lock : Function(__mutex:ppthread_mutex_t):longint;cdecl;
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pthread_mutex_unlock : Function(__mutex:ppthread_mutex_t):longint;cdecl;
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pthread_mutexattr_init : Function(__attr:ppthread_mutexattr_t):longint;cdecl;
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pthread_mutexattr_destroy : Function(__attr:ppthread_mutexattr_t):longint;cdecl;
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pthread_mutexattr_setkind_np : Function(__attr:ppthread_mutexattr_t; __kind:longint):longint;cdecl;
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pthread_mutexattr_getkind_np : Function(__attr:ppthread_mutexattr_t; __kind:plongint):longint;cdecl;
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pthread_cond_init : Function(__cond:ppthread_cond_t; __cond_attr:ppthread_condattr_t):longint;cdecl;
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pthread_cond_destroy : Function(__cond:ppthread_cond_t):longint;cdecl;
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pthread_cond_signal : Function(__cond:ppthread_cond_t):longint;cdecl;
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pthread_cond_broadcast : Function(__cond:ppthread_cond_t):longint;cdecl;
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pthread_cond_wait : Function(__cond:ppthread_cond_t; __mutex:ppthread_mutex_t):longint;cdecl;
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pthread_cond_timedwait : Function(__cond:ppthread_cond_t; __mutex:ppthread_mutex_t; __abstime:ptimespec):longint;cdecl;
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pthread_condattr_init : Function(__attr:ppthread_condattr_t):longint;cdecl;
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pthread_condattr_destroy : Function(__attr:ppthread_condattr_t):longint;cdecl;
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pthread_key_create : Function(__key:ppthread_key_t; __destr_function:__destr_function_t):longint;cdecl;
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pthread_key_delete : Function(__key:pthread_key_t):longint;cdecl;
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pthread_setspecific : Function(__key:pthread_key_t; __pointer:pointer):longint;cdecl;
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pthread_getspecific : Function(__key:pthread_key_t):pointer;cdecl;
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{ pthread_once : Function(__once_control:ppthread_once_t; __init_routine:tprocedure ):longint;cdecl;}
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pthread_setcancelstate : Function(__state:longint; __oldstate:plongint):longint;cdecl;
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pthread_setcanceltype : Function(__type:longint; __oldtype:plongint):longint;cdecl;
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pthread_cancel : Function(__thread:pthread_t):longint;cdecl;
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pthread_testcancel : Procedure ;cdecl;
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{ _pthread_cleanup_push : procedure (__buffer:p_pthread_cleanup_buffer;__routine:t_pthread_cleanup_push_routine; __arg:pointer);cdecl;}
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{ _pthread_cleanup_push_defer : procedure (__buffer:p_pthread_cleanup_buffer;__routine:t_pthread_cleanup_push_defer_routine; __arg:pointer);cdecl;}
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{ pthread_sigmask : Function(__how:longint; __newmask:plibc_sigset; __oldmask:plibc_sigset):longint;cdecl;}
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pthread_kill : Function(__thread:pthread_t; __signo:longint):longint;cdecl;
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{ sigwait : Function(__set:plibc_sigset; __sig:plongint):longint;cdecl;}
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pthread_atfork : Function(__prepare:tprocedure ; __parent:tprocedure ; __child:tprocedure ):longint;cdecl;
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pthread_kill_other_threads_np : procedure;cdecl;
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pthread_sigmask: Function(how: cint; nset: plibc_sigset; oset: plibc_sigset): cint;cdecl;
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sem_init : function (__sem:Psem_t; __pshared:longint; __value:dword):longint;cdecl;
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sem_destroy : function (__sem:Psem_t):longint;cdecl;
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sem_close : function (__sem:Psem_t):longint;cdecl;
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sem_unlink : function (__name:Pchar):longint;cdecl;
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sem_wait : function (__sem:Psem_t):longint;cdecl;
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sem_timedwait: function (__sem:Psem_t; __abs_timeout:ptimespec):longint;cdecl;
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sem_trywait : function (__sem:Psem_t):longint;cdecl;
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sem_post : function (__sem:Psem_t):longint;cdecl;
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sem_getvalue : function (__sem:Psem_t; __sval:Plongint):longint;cdecl;
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pthread_mutexattr_settype : function(__attr: Ppthread_mutexattr_t; Kind:Integer): Integer; cdecl;
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Var
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PthreadDLL : Pointer;
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Function LoadPthreads : Boolean;
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begin
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PThreadDLL:=DlOpen('libpthread.so.0',RTLD_LAZY);
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Result:=PThreadDLL<>Nil;
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If Not Result then
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exit;
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Pointer(pthread_create) := dlsym(PthreadDLL,'pthread_create');
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Pointer(pthread_self) := dlsym(PthreadDLL,'pthread_self');
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Pointer(pthread_equal) := dlsym(PthreadDLL,'pthread_equal');
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Pointer(pthread_exit) := dlsym(PthreadDLL,'pthread_exit');
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Pointer(pthread_join) := dlsym(PthreadDLL,'pthread_join');
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Pointer(pthread_detach) := dlsym(PthreadDLL,'pthread_detach');
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Pointer(pthread_attr_init) := dlsym(PthreadDLL,'pthread_attr_init');
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Pointer(pthread_attr_destroy) := dlsym(PthreadDLL,'pthread_attr_destroy');
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Pointer(pthread_attr_setdetachstate) := dlsym(PthreadDLL,'pthread_attr_setdetachstate');
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Pointer(pthread_attr_getdetachstate) := dlsym(PthreadDLL,'pthread_attr_getdetachstate');
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Pointer(pthread_attr_setschedparam) := dlsym(PthreadDLL,'pthread_attr_setschedparam');
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Pointer(pthread_attr_getschedparam) := dlsym(PthreadDLL,'pthread_attr_getschedparam');
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Pointer(pthread_attr_setschedpolicy) := dlsym(PthreadDLL,'pthread_attr_setschedpolicy');
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Pointer(pthread_attr_getschedpolicy) := dlsym(PthreadDLL,'pthread_attr_getschedpolicy');
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Pointer(pthread_attr_setinheritsched) := dlsym(PthreadDLL,'pthread_attr_setinheritsched');
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Pointer(pthread_attr_getinheritsched) := dlsym(PthreadDLL,'pthread_attr_getinheritsched');
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Pointer(pthread_attr_setscope) := dlsym(PthreadDLL,'pthread_attr_setscope');
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Pointer(pthread_attr_getscope) := dlsym(PthreadDLL,'pthread_attr_getscope');
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Pointer(pthread_setschedparam) := dlsym(PthreadDLL,'pthread_setschedparam');
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Pointer(pthread_getschedparam) := dlsym(PthreadDLL,'pthread_getschedparam');
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Pointer(pthread_mutex_init) := dlsym(PthreadDLL,'pthread_mutex_init');
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Pointer(pthread_mutex_destroy) := dlsym(PthreadDLL,'pthread_mutex_destroy');
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Pointer(pthread_mutex_trylock) := dlsym(PthreadDLL,'pthread_mutex_trylock');
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Pointer(pthread_mutex_lock) := dlsym(PthreadDLL,'pthread_mutex_lock');
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Pointer(pthread_mutex_unlock) := dlsym(PthreadDLL,'pthread_mutex_unlock');
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Pointer(pthread_mutexattr_init) := dlsym(PthreadDLL,'pthread_mutexattr_init');
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Pointer(pthread_mutexattr_destroy) := dlsym(PthreadDLL,'pthread_mutexattr_destroy');
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Pointer(pthread_mutexattr_setkind_np) := dlsym(PthreadDLL,'pthread_mutexattr_setkind_np');
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Pointer(pthread_mutexattr_getkind_np) := dlsym(PthreadDLL,'pthread_mutexattr_getkind_np');
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Pointer(pthread_cond_init) := dlsym(PthreadDLL,'pthread_cond_init');
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Pointer(pthread_cond_destroy) := dlsym(PthreadDLL,'pthread_cond_destroy');
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Pointer(pthread_cond_signal) := dlsym(PthreadDLL,'pthread_cond_signal');
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Pointer(pthread_cond_broadcast) := dlsym(PthreadDLL,'pthread_cond_broadcast');
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Pointer(pthread_cond_wait) := dlsym(PthreadDLL,'pthread_cond_wait');
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Pointer(pthread_cond_timedwait) := dlsym(PthreadDLL,'pthread_cond_timedwait');
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Pointer(pthread_condattr_init) := dlsym(PthreadDLL,'pthread_condattr_init');
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Pointer(pthread_condattr_destroy) := dlsym(PthreadDLL,'pthread_condattr_destroy');
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Pointer(pthread_key_create) := dlsym(PthreadDLL,'pthread_key_create');
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Pointer(pthread_key_delete) := dlsym(PthreadDLL,'pthread_key_delete');
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Pointer(pthread_setspecific) := dlsym(PthreadDLL,'pthread_setspecific');
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Pointer(pthread_getspecific) := dlsym(PthreadDLL,'pthread_getspecific');
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{ Pointer(pthread_once) := dlsym(PthreadDLL,'pthread_once');}
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Pointer(pthread_setcancelstate) := dlsym(PthreadDLL,'pthread_setcancelstate');
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Pointer(pthread_setcanceltype) := dlsym(PthreadDLL,'pthread_setcanceltype');
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Pointer(pthread_cancel) := dlsym(PthreadDLL,'pthread_cancel');
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Pointer(pthread_testcancel) := dlsym(PthreadDLL,'pthread_testcancel');
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{ Pointer(_pthread_cleanup_push) := dlsym(PthreadDLL,'_pthread_cleanup_push');}
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{ Pointer(_pthread_cleanup_push_defer) := dlsym(PthreadDLL,'_pthread_cleanup_push_defer');}
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{ Pointer(pthread_sigmask) := dlsym(PthreadDLL,'pthread_sigmask');}
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Pointer(pthread_kill) := dlsym(PthreadDLL,'pthread_kill');
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Pointer(pthread_atfork):= dlsym(PthreadDLL,'pthread_atfork');
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Pointer(pthread_kill_other_threads_np) := dlsym(PthreadDLL,'pthread_kill_other_threads_np');
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Pointer(pthread_sigmask) := dlsym(PthreadDLL,'pthread_sigmask');
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Pointer(sem_init ) := dlsym(PthreadDLL,'sem_init');
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Pointer(sem_destroy ) := dlsym(PthreadDLL,'sem_destroy');
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Pointer(sem_close ) := dlsym(PthreadDLL,'sem_close');
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Pointer(sem_unlink ) := dlsym(PthreadDLL,'sem_unlink');
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Pointer(sem_wait ) := dlsym(PthreadDLL,'sem_wait');
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Pointer(sem_timedwait) := dlsym(PthreadDLL,'sem_timedwait');
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Pointer(sem_trywait ) := dlsym(PthreadDLL,'sem_trywait');
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Pointer(sem_post ) := dlsym(PthreadDLL,'sem_post');
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Pointer(sem_getvalue ) := dlsym(PthreadDLL,'sem_getvalue');
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Pointer(pthread_mutexattr_settype) := dlsym(PthreadDLL,'pthread_mutexattr_settype');
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end;
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Function UnLoadPthreads : Boolean;
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begin
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Result:=dlclose(PThreadDLL)=0;
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end;
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{$endif}
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