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32f7104ffe
the C structure sem (also TSemaphore record) used in cthreads unit
inside cIntSemaphoreInit function via
a GetMem(sizeof(TSempahore). sem was a simple cint
value which lead to memoryt overwriting past end of
allocated memory in sem_XXX calls.
git-svn-id: trunk@19176 -
121 lines
5.4 KiB
PHP
121 lines
5.4 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,
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and should contain an interface to the threading library to be
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used by systhrd, preferably in a somewhat compatible notation
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(compared to the other OSes).
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As a start, I simply used libc_r
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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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CONST PTHREAD_EXPLICIT_SCHED = 0;
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PTHREAD_CREATE_DETACHED = 1;
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PTHREAD_SCOPE_PROCESS = 0;
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SEM_SAFE = 255;
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TYPE
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ppthread_t = ^pthread_t;
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ppthread_key_t = ^pthread_key_t;
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ppthread_mutex_t= ^pthread_mutex_t;
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ppthread_attr_t = ^pthread_attr_t;
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ppthread_cond_t = ^pthread_cond_t;
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ppthread_condattr_t = ^pthread_condattr_t;
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__destr_func_t = procedure (p :pointer);cdecl;
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__startroutine_t= function (p :pointer):pointer;cdecl;
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ppthread_mutexattr_t = ^pthread_mutexattr_t;
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ppthread_mutex_attr_t = ^pthread_mutexattr_t;
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{
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From FreeBSD 8.2 sys/_semaphore.h
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}
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(*
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struct sem {
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#define SEM_MAGIC ((u_int32_t) 0x09fa4012)
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u_int32_t magic;
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pthread_mutex_t lock;
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pthread_cond_t gtzero;
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u_int32_t count;
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u_int32_t nwaiters;
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#define SEM_USER (NULL)
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semid_t semid; /* semaphore id if kernel (shared) semaphore */
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int syssem; /* 1 if kernel (shared) semaphore */
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LIST_ENTRY(sem) entry;
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struct sem **backpointer;
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}; *)
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semid_t = pointer;
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psem_t = ^sem_t;
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ppsem_t = ^psem_t;
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sem_t = record
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magic : cuint32;
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lock : pthread_mutex_t;
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gtzero : pthread_cond_t;
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count : cuint32;
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nwaiters: cuint32;
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semid : semid_t;
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sysse : cint;
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entry : psem_t;
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backpointer : ppsem_t;
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spare : array[0..SEM_SAFE] of char;
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end;
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TSemaphore = sem_t;
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PSemaphore = ^TSemaphore;
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function pthread_getspecific (t : pthread_key_t):pointer; cdecl; external;
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function pthread_setspecific (t : pthread_key_t;p:pointer):cint; cdecl; external;
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function pthread_key_create (p : ppthread_key_t;f: __destr_func_t):cint; cdecl;external;
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function pthread_attr_init (p : ppthread_attr_t):cint; cdecl; external;
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function pthread_attr_setinheritsched(p : ppthread_attr_t;i:cint):cint; cdecl; external;
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function pthread_attr_setscope (p : ppthread_attr_t;i:cint):cint;cdecl;external;
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function pthread_attr_setdetachstate (p : ppthread_attr_t;i:cint):cint;cdecl;external;
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function pthread_attr_setstacksize(p: ppthread_attr_t; stacksize: size_t):cint;cdecl;external;
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function pthread_create ( p: ppthread_t;attr : ppthread_attr_t;f:__startroutine_t;arg:pointer):cint;cdecl;external;
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procedure pthread_exit ( p: pointer); cdecl;external;
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function pthread_self:pthread_t; cdecl;external;
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function pthread_mutex_init (p:ppthread_mutex_t;o:ppthread_mutex_attr_t):cint; cdecl;external;
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function pthread_mutex_destroy (p:ppthread_mutex_attr_t):cint; cdecl;external;
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function pthread_mutex_lock (p:ppthread_mutex_attr_t):cint; cdecl;external;
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function pthread_mutex_trylock (p:ppthread_mutex_attr_t):cint; cdecl;external;
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function pthread_mutex_unlock (p:ppthread_mutex_attr_t):cint; cdecl;external;
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function pthread_cancel(_para1:pthread_t):cint;cdecl;external;
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function pthread_detach(_para1:pthread_t):cint;cdecl;external;
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function pthread_join(_para1:pthread_t; _para2:Ppointer):cint;cdecl;external;
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function pthread_cond_destroy(_para1:Ppthread_cond_t):cint;cdecl;external;
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function pthread_cond_init(_para1:Ppthread_cond_t;_para2:Ppthread_condattr_t):cint;cdecl;external;
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function pthread_cond_signal(_para1:Ppthread_cond_t):cint;cdecl;external;
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function pthread_cond_broadcast(_para1:Ppthread_cond_t):cint;cdecl;external;
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function pthread_cond_wait(_para1:Ppthread_cond_t;_para2:Ppthread_mutex_t):cint;cdecl;external;
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function pthread_kill(__thread:pthread_t; __signo:cint):cint;cdecl;external;
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function pthread_sigmask(how: cint; nset: psigset; oset: psigset): cint; cdecl; external;
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function sem_init(__sem:Psem_t; __pshared:cint;__value:dword):cint;cdecl; external;
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function sem_destroy(__sem:Psem_t):cint;cdecl;external ;
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function sem_close(__sem:Psem_t):cint;cdecl;external ;
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function sem_unlink(__name:Pchar):cint;cdecl;external ;
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function sem_wait(__sem:Psem_t):cint;cdecl;external ;
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function sem_trywait(__sem:Psem_t):cint;cdecl;external ;
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function sem_post(__sem:Psem_t):cint;cdecl;external ;
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function sem_getvalue(__sem:Psem_t; __sval:Pcint):cint;cdecl;external;
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function pthread_mutexattr_init(_para1:Ppthread_mutexattr_t):cint;cdecl;external;
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function pthread_mutexattr_destroy(_para1:Ppthread_mutexattr_t):cint;cdecl;external;
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function pthread_mutexattr_gettype(_para1:Ppthread_mutexattr_t; _para2:Pcint):cint;cdecl;external;
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function pthread_mutexattr_settype(_para1:Ppthread_mutexattr_t; _para2:cint):cint;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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