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To: ALT Linux Sisyphus discussions <sisyphus@lists.altlinux.org>
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From: Michael Pozhidaev <msp@altlinux.ru>
Date: Fri, 10 Apr 2009 08:50:01 +0700
In-Reply-To: <200904100349.37693.sem@altlinux.ru> (Mikhail Efremov's message
	of "Fri\, 10 Apr 2009 03\:49\:37 +0400")
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Subject: Re: [sisyphus] =?koi8-r?b?UTog797FztggzsXQ0s/T1M/KINfP0NLP0yDOwSDU?=
 =?koi8-r?b?xc3VIHNlbGVjdCgpIMkg08nHzsHMz9c=?=
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Hello, Mikhail Efremov!

> =E4=C1, =DE=D4=CF-=D4=CF =D7=D2=CF=C4=C5
> if (pselect(required_fds, and_signal_mask_with_enabled_sigchld) <0)
> 	if(errno =3D=3D EINTR)
> 		check_sigchld();
=F5=C7=D5, =DC=D4=CF =D0=CF=CE=D1=D4=CE=CF.

>
>> =E5=D3=CC=C9 =C4=CF=CC=D6=CE=CF =C2=D9=D4=D8 =D4=C1=CB, =D4=CF =DE=D4=CF=
 =D0=D2=CF=C9=DA=CF=CA=C4=A3=D4, =C5=D3=CC=C9 sigchld =D0=D2=C9=DB=A3=CC =
=D7 =D4=CF=D4
>> =CB=D2=C1=D4=CB=C9=CA =CD=CF=CD=C5=CE=D4, =CB=CF=C7=C4=C1 =CF=CE =C2=D9=
=CC =DA=C1=C2=CC=CF=CB=C9=D2=CF=D7=C1=CE? pselect() =D5=D7=C9=C4=C9=D4, =DE=
=D4=CF =D0=CF=CB=C1
>> =D3=C9=C7=CE=C1=CC =C2=D9=CC =DA=C1=C2=CC=CF=CB=C9=D2=CF=D7=C1=CE, =CF=
=CE =D0=D2=C9=C8=CF=C4=C9=CC, =C9 =CE=D5=D6=CE=CF =D3=D2=C1=DA=D5 =D0=D2=C5=
=CB=D2=C1=D4=C9=D4=D8 =CF=D6=C9=C4=C1=CE=C9=C5,
>> =D7=D9=DA=D7=C1=D4=D8 =C5=C7=CF =CF=C2=D2=C1=C2=CF=D4=DE=C9=CB =C9 =C4=
=C1=D4=D8 =D0=D2=CF=C7=D2=C1=CD=CD=C5 =C5=C7=CF =CF=C2=D2=C1=C2=CF=D4=C1=D4=
=D8? =E5=D3=CC=C9 =CE=C5=D4, =D4=CF
>> =D4=CF=C7=C4=C1 =CD=D9 =D7=CF=CF=C2=DD=C5 =D4=C5=D2=D1=C5=CD =D0=CF=CC=
=D5=DE=C5=CE=C9=C5 SIGCHLD. =E5=DD=A3 =C5=D3=D4=D8 =C9=CE=D4=C5=D2=C5=D3=CE=
=C1=D1 =C6=D5=CE=CB=C3=C9=D1
>> sigpending(), =CE=CF =D5=CD=C5=D3=D4=CE=C1 =CC=C9 =CF=CE=C1 =DA=C4=C5=D3=
=D8, =D7=CF=D4 =DC=D4=CF =CE=C5=D0=CF=CE=D1=D4=CE=CF.
>
> =E2=CC=CF=CB=C9=D2=CF=D7=CB=C1 =D3=C9=C7=CE=C1=CC=C1 !=3D =C9=C7=CE=CF=D2=
=C9=D2=CF=D7=C1=CE=C9=C5 =D3=C9=C7=CE=C1=CC=C1. =E2=CC=CF=CB=C9=D2=CF=D7=C1=
=CE=CE=D9=CA =D3=C9=C7=CE=C1=CC =CE=C5=20
> =D0=CF=D4=C5=D2=D1=C5=D4=D3=D1, =D0=D2=CF=D3=D4=CF =CE=C5 =C2=D5=C4=C5=D4=
 =D7=D9=DA=D7=C1=CE =CF=C2=D2=C1=C2=CF=D4=DE=C9=CB =D0=CF=CB=C1 =C5=C7=CF=
 =CE=C5 =D2=C1=DA=C2=CC=CF=CB=C9=D2=D5=C0=D4, =DE=D4=CF =C9=20
> =C4=C5=CC=C1=C5=D4 pselect. =E1 sigpending() =C4=D5=CD=C1=C0 =D4=D5=D4 =
=CE=C5 =CE=D5=D6=C5=CE.
=E1=C7=C1, =D3=D0=C1=D3=C9=C2=CF! =EE=CF =D0=C5=D2=C5=D3=D0=D2=CF=DB=D5 =C5=
=DD=A3 =D2=C1=DA:
1. =D1 =DA=C1=C2=CC=CF=CB=C9=D2=CF=D7=C1=CC SIGCHLD;
2. =D0=CF=D3=CC=C5 =DC=D4=CF=C7=CF SIGCHLD =C2=D9=CC =D0=CF=D3=CC=C1=CE =CD=
=CF=C5=CD=D5 =D0=D2=CF=C3=C5=D3=D3=D5;
3. =D1 =D7=D9=DA=D7=C1=CC pselect() =D5 =CB=CF=D4=CF=D2=CF=C7=CF =D7 =CD=C1=
=D3=CB=C5 SIGCHLD =D2=C1=DA=D2=C5=DB=A3=CE;
4. pselect() =D5=D7=C9=C4=C9=D4, =DE=D4=CF =DA=C1 =D0=C5=D2=C9=CF=C4 =C2=CC=
=CF=CB=C9=D2=CF=D7=CB=C9 =D3=C9=C7=CE=C1=CC=C1 =CF=CE =C2=D9=CC =D0=CF=CA=
=CD=C1=CE =C9
=F3=F2=E1=FA=F5 =F6=E5 =FA=E1=F7=E5=F2=FB=E9=F4 =D3=D7=CF=C0 =D2=C1=C2=CF=
=D4=D5 =D3 EINTR.=20
=F0=D2=C9 =DC=D4=CF=CD =CF=C2=D2=C1=C2=CF=D4=DE=C9=CB =D3=C9=C7=CE=C1=CC=C1=
 =C2=D5=C4=C5=D4 =D7=D9=DA=D7=C1=CE, =D0=D2=CF=D3=D4=CF =CE=C5=CD=CE=CF=C7=
=CF =CF=D4=CC=CF=D6=C5=CE.
=F0=D2=C1=D7=C9=CC=D8=CE=CF? =FC=D4=CF =C7=C1=D2=C1=CE=D4=C9=D2=D5=C5=D4=D3=
=D1 =D3=C9=D3=D4=C5=CD=CF=CA? =F4=D2=C0=CB =D3 pipe(), =DE=D4=CF=C2=D9
=D0=D2=CF=C9=CE=C6=CF=D2=CD=C9=D2=CF=D7=C1=D4=D8 =CF =D3=C9=C7=CE=C1=CC=C5=
 =D0=CF=CB=C1 =D4=D2=CF=C7=C1=D4=D8 =CE=C5 =C2=D5=C4=D5. =F0=CF=D4=CF=CD =
=CD=CF=D6=C5=D4 =CB=C1=CB-=CE=C9=C2=D5=C4=D8.
--=20
Michael Pozhidaev. E-mail: msp@altlinux.ru.
Tomsk State University. http://www.csd.tsu.ru
ALT Linux Team. http://www.altlinux.org