From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Sat, 1 Sep 2007 03:21:10 +0400 From: "Dmitry V. Levin" To: ALT Devel discussion list Message-ID: <20070831232110.GA20254@nomad.office.altlinux.org> Mail-Followup-To: ALT Devel discussion list References: <20070831125757.CDD61181D588@bugzilla.altlinux.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="n8g4imXOkfNTN/H1" Content-Disposition: inline In-Reply-To: <20070831125757.CDD61181D588@bugzilla.altlinux.org> X-fingerprint: FE4C 93AB E19A 2E4C CB5D 3E4E 7CAB E6AC 9E35 361E Subject: [devel] I: sleep vs usleep (was: [Bug 12655] upgrade() is broken (wrong pidfile handling)) X-BeenThere: devel@lists.altlinux.org X-Mailman-Version: 2.1.9rc1 Precedence: list Reply-To: ALT Devel discussion list List-Id: ALT Devel discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 31 Aug 2007 23:21:04 -0000 Archived-At: List-Archive: List-Post: --n8g4imXOkfNTN/H1 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, > ------- Additional Comments From mike@altlinux 2007-08-31 16:57 ------- > =F7=CF=D4 =D3 =D4=C1=CB=C9=CD =D0=C5=D2=C5=C4 =D0=CF=C7=C1=DB=C5=CE=C9=C5= =CD =D3=D4=C1=D2=CF=C7=CF =DC=CB=DA=C5=CD=D0=CC=D1=D2=C1 =D2=C1=C2=CF=D4=C1= =C5=D4: >=20 > waitpidfile() =F4=CF=C7=C4=C1 =D5=D6 wait_pid =D3 pid'=CF=CD =CE=C1 =D7=C8=CF=C4=C5 =D7= =CD=C5=D3=D4=CF =C6=C1=CA=CC=C1. > { > [ -z "$1" ] && exit 1 [ -n "$1" ] || return > MAXCOUNT=3D50 local maxcount=3D"${2:-50}" > counter=3D0 local counter=3D0 > until [ -s "$1" ]; do > [ "$((counter++))" -eq "$MAXCOUNT" ] && break > sleep 0.1 > done while [ "$counter" -lt "$maxcount" ] && kill -0 "$1" 2>/dev/null; do sleep 0.1 counter=3D"$(($counter+1))" done ! kill -0 "$1" 2>/dev/null > } >=20 > =F0=D2=C5=C4=CC=C1=C7=C1=C0 MAXCOUNT =D7 =C4=C5=D3=D1=D4=D9=C8 =D3=C5=CB= =D5=CE=C4=D9 =D0=D9=D4=C1=D4=D8=D3=D1 =D3=D0=C5=D2=D7=C1 =D7=DA=D1=D4=D8 = =C9=DA $2, =D0=CF =C4=C5=C6=CF=CC=D4=D5 -- > 50, =C9 =D7=D3=D5=CE=D5=D4=D8 =DC=D4=CF =C2=C5=DA=CF=C2=D2=C1=DA=C9=C5 = =D7 functions. =F7 =D7=C9=C4=C5, =D0=D2=C9=C7=CF=C4=CE=CF=CD =C4=CC=D1 stop_daemon, =CD=CF= =D6=CE=CF =C9 =D7 functions. > =F4=CF=CC=D8=CB=CF =D4=D5=D4 =C5=DD=A3 =CF=C4=C9=CE =D7=CF=D0=D2=CF=D3 --= =D1 =D0=CF=CD=CE=C0, =DE=D4=CF sleep 0.1 =DC=C6=C6=C5=CB=D4=C9=D7=CE=C5=C5= , =C1 led@ =D7=CF=D4 > =C7=CF=D7=CF=D2=C9=D4, =DE=D4=CF =CB=C1=CB =D2=C1=DA =CE=C1=CF=C2=CF=D2= =CF=D4 -- usleep 100000. sr@ =D3=CB=C1=DA=C1=CC, =DE=D4=CF =C2=C5=DA =D2= =C1=DA=CE=C9=C3=D9. > =EB=C1=CB =CF=CE=CF =D4=C1=CD =CE=C1 =D3=C1=CD=CF=CD =C4=C5=CC=C5? :) (= =D0=CF=CB=C1 =D0=D2=C9=D7=C5=C4=D5 =CB =D4=D7=CF=C5=CD=D5 =D7=C9=C4=D5) sr@ =D0=D2=C1=D7, =CF=CE=C9 =D2=C1=C2=CF=D4=C1=C0=D4 =D0=D2=C9=CD=C5=D2=CE= =CF =CF=C4=C9=CE=C1=CB=CF=D7=CF: =CF=C4=C9=CE =C9 =D4=CF=D4 =D6=C5 =D3=C9= =D3=D4=C5=CD=CE=D9=CA =D7=D9=DA=CF=D7 nanosleep(2), usleep =D0=CF=C4=D5=C2=CF=D7=C5=C5, =D7=C5=D2= =CF=D1=D4=CE=CF sleep =D0=C5=D2=C5=CE=CF=D3=C9=CD=C5=C5. --=20 ldv --n8g4imXOkfNTN/H1 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) iD8DBQFG2KJmfKvmrJ41Nh4RAhEMAJ9NPec7pmPxVZe7b36VXyLGoBq1lgCggrVs G3dDvSa8vYsz6TBfIMgHmSc= =006z -----END PGP SIGNATURE----- --n8g4imXOkfNTN/H1--