From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on sa.int.altlinux.org X-Spam-Level: X-Spam-Status: No, score=-1.5 required=5.0 tests=BAYES_00,DNS_FROM_OPENWHOIS autolearn=no version=3.2.5 To: ALT Linux Sisyphus discussions References: From: Michael Pozhidaev Date: Wed, 05 May 2010 03:43:19 +0700 In-Reply-To: (Anton Protopopov's message of "Tue\, 4 May 2010 19\:43\:55 +0400") Message-ID: User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Transfer-Encoding: quoted-printable Subject: Re: [sisyphus] Q: shell and process groups X-BeenThere: sisyphus@lists.altlinux.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: ALT Linux Sisyphus discussions List-Id: ALT Linux Sisyphus discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 May 2010 20:43:45 -0000 Archived-At: List-Archive: List-Post: Hello, Anton Protopopov! > =D0=CF=D3=CC=C5 =D3=CD=C5=D2=D4=C9 =D3=C9=CE=D4=C5=DA=C1=D4=CF=D2=C1= . > > =EE=CF =D3=C9=C7=CE=C1=CC =D7=D3=C5-=D4=C1=CB=C9 =C4=CF=C8=CF=C4=C9=D4? =F3=CB=CF=D2=C5=C5 =D7=D3=C5=C7=CF =CE=C5=D4. =E9=D3=D3=CC=C5=C4=CF=D7=C1= =CE=C9=C5 =D7 strace =D0=CC=C1=CE=C9=D2=CF=D7=C1=CC=C9 =D0=D2=CF=D7=C5=D3= =D4=C9 =DA=C1=D7=D4=D2=C1. =E5=D3=D4=D8 =D4=C1=CB=CF=C5 =CE=C1=C2=CC=C0=C4=C5=CE= =C9=C5: =D0=CF=D3=CB=CF=CC=D8=CB=D5 =D0=D2=CF=C3=C5=D3=D3 =CE=C5 =D3=D2=C1= =DA=D5 =D0=CF=D3=CC=C5 =D3=D7=CF=C5=C7=CF =D0=CF=D2=CF=D6=C4=C5=CE=C9=D1 =CD=C5=CE=D1=C5=D4 =D3=D7=CF=C0 =C7=D2=D5=D0= =D0=D5, =D4=CF SIGKILL =DB=CC=A3=D4=D3=D1 =D7 =C4=D7=C1 =DC=D4=C1=D0=C1: = =D3=CE=C1=DE=C1=CC=C1 =D0=C5=D2=D3=CF=CE=C1=CC=D8=CE=CF =DC=D4=CF=CD=D5 =D0=D2=CF=C3=C5=D3=D3=D5= =CE=C1 =D3=CC=D5=DE=C1=CA, =C5=D3=CC=C9 =CF=CE =C5=DD=A3 =CE=C5 =D3=CD=C5= =CE=C9=CC =D3=D7=CF=CA pgid, =C1 =D0=CF=D4=CF=CD =CE=C1 =D7=D3=C0 =C7=D2=D5=D0=D0=D5. =E5=D3=CC=C9 =D0=CC=C5= =C5=D2 =D5=CB=C1=DA=D9=D7=C1=C5=D4=D3=D1 =CB=C1=CB exec aplay, =C1 =CE=C5= =D0=D2=CF=D3=D4=CF aplay, =D4=CF =D0=D2=CF=C2=CC=C5=CD=C1 =D3=D2=C1=DA=D5 =D6=C5 =C9=D3=DE=C5= =DA=C1=C5=D4. =F4=CF =C5=D3=D4=D8 =D0=C5=D2=D3=CF=CE=C1=CC=D8=CE=D9=CA SI= GKILL =D7=D3=C5=C7=C4=C1 =D0=CF=D0=C1=C4=C1=C5=D4 =D7 =C3=C5=CC=D8, =C1 =D7=CF=D4= SIGKILL =CE=C1 =C7=D2=D5=D0=D0=D5 =C9=CE=CF=C7=C4=C1 =C4=C1=A3=D4 =D0=D2= =CF=CD=C1=C8=C9. =F7 =D3=CC=D5=DE=C1=C5 =C2=C5=DA exec SIGKILL =D0=D2=C9=C2=C9=D7=C1=C5=D4= /bin/sh, =C1 aplay =D0=D2=CF=C4=CF=CC=D6=C1=C5=D4 =D2=C1=C2=CF=D4=C1=D4=D8= . > =EE=D5, =CE=C1=D0=D2=C9=CD=C5=D2, =C5=DD=C5 =C5=D3=D4=D8 race: setpgid(= ) =D7 =D0=CC=C5=CA=C5=D2=C5 =CD=CF=D6=C5=D4 =DA=C1=D0=D5=D3=CB=C1=D4=D8=D3= =D1 =D2=C1=CE=D8=DB=C5, > =DE=C5=CD setpgrp() =D7 =D3=C9=CE=D4=C5=DA=C1=D4=CF=D2=C5. =F7 =DC=D4=CF= =CD =D3=CC=D5=DE=C1=C5 =CF=CE, =CF=DE=C5=D7=C9=C4=CE=CF, =CE=C5 =D3=CD=CF= =D6=C5=D4 =D5=D3=D4=C1=CE=CF=D7=C9=D4=D8 > =CC=C9=C4=C5=D2=CF=CD =D3=C9=CE=D4=C5=DA=C1=D4=CF=D2, =C1 =D7=C5=D2=CE=C5= =D4 =CF=DB=C9=C2=CB=D5. =EF, =C4=C5=CA=D3=D4=D7=C9=D4=C5=CC=D8=CE=CF! =F4=CF=CC=D8=CB=CF, =D3=CB=CF= =D2=C5=C5, =CE=C1=CF=C2=CF=D2=CF=D4. =F7 =CD=C1=CE=C5 =D0=CF setpgid =C7=CF= =D7=CF=D2=C9=D4=D3=D1, =DE=D4=CF pgid =C4=CF=CC=D6=C5=CE =C2=D9=D4=D8 existing process group. Ex= isting, =CB=C1=CB =D0=CF=CE=C9=CD=C1=C0, =C9=CD=C5=C5=D4=D3=D1 =D7=D7=C9=C4=D5, =DE=D4=CF =D3=D5=DD=C5=D3=D4=D7=D5= =C5=D4 =CB=CF=D2=C5=CE=D8 =C7=D2=D5=D0=D0=D9.=20 =F7 =DC=D4=CF=CD race setpgid() =D0=D2=CF=D7=C1=CC=C9=D4=D3=D1, =C1 setpg= rp() =D3=C1=CD =D3=C5=C2=C5 =CF=D4=D2=C1=C2=CF=D4=C1=D4=CD, =CE=CF =D0=CC=C5=C5=D2 =D7 =C7=D2=D5=D0=D0=D5 =CE=C5 =D0=CF=D0=C1=C4=A3=D4. =F3=D0= =C1=D3=C9=C2=CF, =D0=D2=C9=C4=C5=CC=C1=C0 =C6=C9=CB=D3 =C9 =CF =D2=C5=DA=D5= =CC=D8=D4=C1=D4=C1=C8 =C4=CF=CC=CF=D6=D5. =F7 =CB=C1=DE=C5=D3=D4=D7=C5 =C6=C9=CB=D3=C1, =CE=C1=D7=C5=D2=CE=CF, =D7=D9= =C4=C5=CC=C0 =D0=CC=C5=C5=D2 =D7 =D3=D7=CF=C0 =D3=CF=C2=D3=D4=D7=C5=CE=CE= =D5=C0 =C7=D2=D5=D0=D0=D5, =CB =CB=CF=D4=CF=D2=CF=CA =C9 =C2=D5=C4=C5=CD =CF=C2=D2=C1=DD=C1=D4=D8=D3=D1.= =E5=DD=A3 =D2=C1=DA =D3=D0=C1=D3=C9=C2=CF! --=20 Michael Pozhidaev. Tomsk, Russia. E-mail: msp@altlinux.ru Russian info page: http://www.marigostra.ru/