mirror of
https://git.FreeBSD.org/ports.git
synced 2024-11-14 23:46:10 +00:00
85bfda41f7
causes infinite recursion while trying to initialize the internal library state. Instead, use a simple spinlock-based rwlock implementation. Make minor cancellation cleanups.
149 lines
3.8 KiB
C
149 lines
3.8 KiB
C
/*
|
|
* Copyright (c) 1998 Richard Seaman, Jr.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Richard Seaman, Jr.
|
|
* 4. Neither the name of the author nor the names of any co-contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY RICHARD SEAMAN, Jr. AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
#ifndef _THREAD_SAFE
|
|
#define _THREAD_SAFE
|
|
#endif
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/ipc.h>
|
|
#include <sys/msg.h>
|
|
#include <sys/ttycom.h>
|
|
#include <time.h>
|
|
#include "pthread.h"
|
|
#include "internals.h"
|
|
|
|
#ifndef NEWLIBC
|
|
|
|
char * asctime (const struct tm *timeptr)
|
|
{
|
|
pthread_descr self = thread_self();
|
|
|
|
return (asctime_r(timeptr, self->time_buf));
|
|
}
|
|
|
|
char * ctime(const time_t * const timep)
|
|
{
|
|
pthread_descr self = thread_self();
|
|
|
|
return (ctime_r(timep, self->time_buf));
|
|
}
|
|
|
|
|
|
struct tm *localtime (const time_t * const timep)
|
|
{
|
|
pthread_descr self = thread_self();
|
|
|
|
return (localtime_r(timep, &self->local_tm));
|
|
}
|
|
|
|
struct tm * gmtime(const time_t * const timep)
|
|
{
|
|
pthread_descr self = thread_self();
|
|
|
|
return (gmtime_r(timep, &self->local_tm));
|
|
}
|
|
#endif
|
|
|
|
/* The following wrappers impement cancallation points */
|
|
|
|
|
|
#if __STDC__
|
|
int msgrcv(int msqid, void *msgp, size_t msgsz, long msgtyp, int msgflg)
|
|
#else
|
|
int msgrcv(msqid, msgp, msgsz, msgtyp, msgflg)
|
|
int msqid;
|
|
void *msgp;
|
|
size_t msgsz;
|
|
long msgtyp;
|
|
int msgflg;
|
|
#endif
|
|
{
|
|
int ret;
|
|
int oldtype;
|
|
|
|
/* This is a cancellation point */
|
|
pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &oldtype);
|
|
|
|
ret = msgsys(3, msqid, msgp, msgsz, msgtyp, msgflg);
|
|
|
|
/* This is a cancellation point */
|
|
pthread_setcanceltype (oldtype, NULL);
|
|
return (ret);
|
|
|
|
}
|
|
|
|
#if __STDC__
|
|
int msgsnd(int msqid, void *msgp, size_t msgsz, int msgflg)
|
|
#else
|
|
int msgsnd(msqid, msgp, msgsz, msgflg)
|
|
int msqid;
|
|
void *msgp;
|
|
size_t msgsz;
|
|
int msgflg;
|
|
#endif
|
|
{
|
|
int ret;
|
|
int oldtype;
|
|
|
|
/* This is a cancellation point */
|
|
pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &oldtype);
|
|
|
|
ret = msgsys(2, msqid, msgp, msgsz, msgflg);
|
|
|
|
/* This is a cancellation point */
|
|
pthread_setcanceltype (oldtype, NULL);
|
|
return (ret);
|
|
|
|
}
|
|
|
|
#if __STDC__
|
|
int tcdrain (int fd)
|
|
#else
|
|
int tcdrain (fd)
|
|
int fd;
|
|
#endif
|
|
{
|
|
int ret;
|
|
int oldtype;
|
|
|
|
/* This is a cancellation point */
|
|
pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &oldtype);
|
|
|
|
ret = ioctl(fd, TIOCDRAIN, 0);
|
|
|
|
/* This is a cancellation point */
|
|
pthread_setcanceltype (oldtype, NULL);
|
|
return (ret);
|
|
}
|