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Override libc function raise(), in threading mode, raise() will

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send signal to current thread.

Reviewed by: deischen
This commit is contained in:
davidxu 2003-07-19 05:25:49 +00:00
parent 69cd67f2e6
commit d1d23a75b8
5 changed files with 110 additions and 0 deletions
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1
lib/libkse/thread/Makefile.inc
View File

@ -68,6 +68,7 @@ SRCS+= \
thr_printf.c \
thr_priority_queue.c \
thr_pselect.c \
thr_raise.c \
thr_read.c \
thr_readv.c \
thr_resume_np.c \

53
lib/libkse/thread/thr_raise.c Normal file
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@ -0,0 +1,53 @@
/*
* Copyright (C) 2003 David Xu<davidxu@freebsd.org>.
* 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(s), this list of conditions and the following disclaimer as
* the first lines of this file unmodified other than the possible
* addition of one or more copyright notices.
* 2. Redistributions in binary form must reproduce the above copyright
* notice(s), this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``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 COPYRIGHT HOLDER(S) 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.
*
* $FreeBSD$
*/
#include <pthread.h>
#include <errno.h>
#include "thr_private.h"
__weak_reference(_raise, raise);
int
_raise(int sig)
{
int ret;
if (!_kse_isthreaded())
ret = kill(getpid(), sig);
else {
ret = pthread_kill(pthread_self(), sig);
if (ret != 0) {
errno = ret;
ret = -1;
}
}
return (ret);
}

2
lib/libpthread/pthread.map
View File

@ -123,6 +123,7 @@ global:
_pthread_switch_delete_np;
_pthread_testcancel;
_pthread_yield;
_raise;
_sched_yield;
_sem_close;
_sem_destroy;
@ -255,6 +256,7 @@ global:
pthread_switch_delete_np;
pthread_testcancel;
pthread_yield;
raise;
read;
readv;
sched_yield;

1
lib/libpthread/thread/Makefile.inc
View File

@ -68,6 +68,7 @@ SRCS+= \
thr_printf.c \
thr_priority_queue.c \
thr_pselect.c \
thr_raise.c \
thr_read.c \
thr_readv.c \
thr_resume_np.c \

53
lib/libpthread/thread/thr_raise.c Normal file
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@ -0,0 +1,53 @@
/*
* Copyright (C) 2003 David Xu<davidxu@freebsd.org>.
* 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(s), this list of conditions and the following disclaimer as
* the first lines of this file unmodified other than the possible
* addition of one or more copyright notices.
* 2. Redistributions in binary form must reproduce the above copyright
* notice(s), this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``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 COPYRIGHT HOLDER(S) 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.
*
* $FreeBSD$
*/
#include <pthread.h>
#include <errno.h>
#include "thr_private.h"
__weak_reference(_raise, raise);
int
_raise(int sig)
{
int ret;
if (!_kse_isthreaded())
ret = kill(getpid(), sig);
else {
ret = pthread_kill(pthread_self(), sig);
if (ret != 0) {
errno = ret;
ret = -1;
}
}
return (ret);
}