VULN_CHECK_I913V6 ;j.ddlZddlZddlZddlZddlmZmZddlmZddlZGdde Z GddZ dZ e d k(reje xsdyy) N) EWOULDBLOCKEEXIST)bstrceZdZdZy)LockfileLockedExceptionz$thrown ONLY when pid file is locked.N)__name__ __module__ __qualname____doc__4/usr/lib/python3.12/site-packages/rhn/rhnLockfile.pyrrs.r rc$eZdZdZddZdZdZy)Lockfilezclass that provides simple access to a PID-style lockfile. methods: __init__(lockfile), acquire(), and release() NOTE: currently acquires upon init The *.pid file will be acquired, or an LockfileLockedException is raised. Nctjjtjjtjj ||_||_|j stj|_tjj|j }tjj|s tj|tj"|j tj$tj&ztj(ztj*ztj,zd|_tj0|j.}t3j4|j6r!|j8tj:k7ratj<|j.td|j tj:|j6|j8fz|j?y#t$r<tjd}t|dr|jt k(rnYwxYw)zlcreate (if need be), and acquire lock on lockfile lockfile example: '/var/run/up2date.pid' errnoizSrefusing to use lockfile %s: not a regular file owned by uid %d (mode 0o%o, uid %d)N) ospathabspath expanduser expandvarslockfilepidgetpiddirnameexistsmakedirsOSErrorsysexc_infohasattrrropenO_RDWRO_CREATO_SYNC O_NOFOLLOW O_CLOEXECffstatstatS_ISREGst_modest_uidgeteuidcloseacquire)selfrrrests r__init__zLockfile.__init__%s'',,GG..x8:; xxyy{DH''//$--0ww~~g&  G$$RZZ/"));==)+-<<89>@XXdff ||BJJ'299 +D HHTVV -=="**, BIIFGH H G LLN1%1g&177f+<  sH22AI76I7cj tj|jtjtjztj|jtjdtj|jdtj|jt!t#|j$dzy#t $rYt jdjtk(r/td|jzdt jdwxYw)z5acquire the lock; else raise LockfileLockedException.rzcannot acquire lock on %s.Nr )fcntlflockr)LOCK_EXLOCK_NBIOErrorr r!rrrrF_SETFDr ftruncatewriterstrr)r2s rr1zLockfile.acquire^s  KK emm ; <  DFFEMM1- TVVQ c$((md234 ||~a &&+5-.>cllnUVFWYY  s ?CA"D2c tj|j}tj|j}|j |j k(xr|j |j k(}|rtj|jtj|jtjtj|jy#t$rd}Y|wxYw)NF) rr*r)lstatrst_devst_inorunlinkr9r:LOCK_UNr0)r2fd_stpath_st same_inodes rreleasezLockfile.releaseos HHTVV$Ehht}}-G,,'..8=#llgnn<   IIdmm $ DFFEMM*   J sA2C## C10C1)N)rr r r r5r1rKr r rrrs7r5"r rc^ td}tdtdddl}|jd|j tdy#t $rOt jjdt jd zt jd YywxYw) z test codez ./test.pidzlock acquired z...sleeping for 10 secondsrN zlock released z%s r) rprinttimesleeprKrr stderrr@r!exit)LrPs rmainrUs  \ "  *+ 2   # #,,."334  s AAB,+B,__main__)rr r+r9rrrrhn.i18nr ExceptionrrrUrrSr r rrYs]  %  i eeP  z CHHTV[qr