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Add killpg function

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Change-Id:	I9bc347d264fe38faf2d0f9935d2ebb43a353196e
This commit is contained in:
Colin Cross 2010-01-13 16:39:26 -08:00
parent 64ceac3f49
commit 8c59d96e24
3 changed files with 47 additions and 0 deletions
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1
libc/Android.mk
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@ -26,6 +26,7 @@ libc_common_src_files := \
unistd/initgroups.c \ unistd/initgroups.c \
unistd/isatty.c \ unistd/isatty.c \
unistd/issetugid.c \ unistd/issetugid.c \
unistd/killpg.c \
unistd/lseek64.c \ unistd/lseek64.c \
unistd/mmap.c \ unistd/mmap.c \
unistd/nice.c \ unistd/nice.c \

1
libc/include/signal.h
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@ -118,6 +118,7 @@ extern int siginterrupt(int sig, int flag);
extern int raise(int); extern int raise(int);
extern int kill(pid_t, int); extern int kill(pid_t, int);
extern int killpg(int pgrp, int sig);
__END_DECLS __END_DECLS

45
libc/unistd/killpg.c Normal file
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@ -0,0 +1,45 @@
/*
* Copyright (c) 1989 The Regents of the University of California.
* 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. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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.
*/
#include <sys/types.h>
#include <signal.h>
#include <errno.h>
/*
* Backwards-compatible killpg().
*/
int
killpg(pid_t pgid, int sig)
{
if (pgid == 1) {
errno = ESRCH;
return (-1);
}
return (kill(-pgid, sig));
}