186 lines
4.8 KiB
C
186 lines
4.8 KiB
C
#ifndef H_PSM
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#define H_PSM
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/** \ingroup rpmtrans payload
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* \file lib/psm.h
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* Package state machine to handle a package from a transaction set.
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*/
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/*@-exportlocal@*/
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/*@unchecked@*/
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extern int _psm_debug;
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/*@=exportlocal@*/
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/**
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*/
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#define PSM_VERBOSE 0x8000
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#define PSM_INTERNAL 0x4000
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#define PSM_SYSCALL 0x2000
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#define PSM_DEAD 0x1000
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#define _fv(_a) ((_a) | PSM_VERBOSE)
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#define _fi(_a) ((_a) | PSM_INTERNAL)
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#define _fs(_a) ((_a) | (PSM_INTERNAL | PSM_SYSCALL))
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#define _fd(_a) ((_a) | (PSM_INTERNAL | PSM_DEAD))
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typedef enum pkgStage_e {
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PSM_UNKNOWN = 0,
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PSM_INIT = 1,
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PSM_PRE = 2,
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PSM_PROCESS = 3,
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PSM_POST = 4,
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PSM_UNDO = 5,
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PSM_FINI = 6,
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PSM_PKGINSTALL = 7,
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PSM_PKGERASE = 8,
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PSM_PKGCOMMIT = 10,
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PSM_PKGSAVE = 12,
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PSM_CREATE = 17,
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PSM_NOTIFY = 22,
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PSM_DESTROY = 23,
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PSM_COMMIT = 25,
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PSM_CHROOT_IN = 51,
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PSM_CHROOT_OUT = 52,
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PSM_SCRIPT = 53,
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PSM_TRIGGERS = 54,
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PSM_IMMED_TRIGGERS = 55,
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PSM_RPMIO_FLAGS = 56,
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PSM_RPMDB_LOAD = 97,
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PSM_RPMDB_ADD = 98,
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PSM_RPMDB_REMOVE = 99
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} pkgStage;
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#undef _fv
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#undef _fi
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#undef _fs
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#undef _fd
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/**
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*/
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struct rpmpsm_s {
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/*@refcounted@*/
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rpmts ts; /*!< transaction set */
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/*@dependent@*/ /*@null@*/
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rpmte te; /*!< current transaction element */
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/*@refcounted@*/
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rpmfi fi; /*!< transaction element file info */
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FD_t cfd; /*!< Payload file handle. */
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FD_t fd; /*!< Repackage file handle. */
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Header oh; /*!< Repackage/multilib header. */
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/*@null@*/
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rpmdbMatchIterator mi;
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/*@observer@*/
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const char * stepName;
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/*@only@*/ /*@null@*/
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const char * rpmio_flags;
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/*@only@*/ /*@null@*/
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const char * failedFile;
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/*@only@*/ /*@null@*/
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const char * pkgURL; /*!< Repackage URL. */
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/*@dependent@*/
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const char * pkgfn; /*!< Repackage file name. */
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int scriptTag; /*!< Scriptlet data tag. */
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int progTag; /*!< Scriptlet interpreter tag. */
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int npkgs_installed; /*!< No. of installed instances. */
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int scriptArg; /*!< Scriptlet package arg. */
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int sense; /*!< One of RPMSENSE_TRIGGER{IN,UN,POSTUN}. */
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int countCorrection; /*!< 0 if installing, -1 if removing. */
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int chrootDone; /*!< Was chroot(2) done by pkgStage? */
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int unorderedSuccessor; /*!< Can the PSM be run asynchronously? */
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int reaper; /*!< Register SIGCHLD handler? */
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pid_t reaped; /*!< Reaped waitpid return. */
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pid_t child; /*!< Currently running process. */
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int status; /*!< Reaped waitpid status. */
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rpmCallbackType what; /*!< Callback type. */
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unsigned long amount; /*!< Callback amount. */
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unsigned long total; /*!< Callback total. */
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rpmRC rc;
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pkgStage goal;
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/*@unused@*/
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pkgStage stage;
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/*@refs@*/
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int nrefs; /*!< Reference count. */
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Unreference a package state machine instance.
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* @param psm package state machine
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* @param msg
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* @return NULL always
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*/
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/*@unused@*/ /*@null@*/
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rpmpsm rpmpsmUnlink (/*@killref@*/ /*@only@*/ /*@null@*/ rpmpsm psm,
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/*@null@*/ const char * msg)
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/*@modifies psm @*/;
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/** @todo Remove debugging entry from the ABI. */
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/*@-exportlocal@*/
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/*@null@*/
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rpmpsm XrpmpsmUnlink (/*@killref@*/ /*@only@*/ /*@null@*/ rpmpsm psm,
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/*@null@*/ const char * msg, const char * fn, unsigned ln)
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/*@modifies psm @*/;
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/*@=exportlocal@*/
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#define rpmpsmUnlink(_psm, _msg) XrpmpsmUnlink(_psm, _msg, __FILE__, __LINE__)
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/**
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* Reference a package state machine instance.
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* @param psm package state machine
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* @param msg
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* @return new package state machine reference
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*/
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/*@unused@*/ /*@newref@*/
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rpmpsm rpmpsmLink (/*@null@*/ rpmpsm psm, /*@null@*/ const char * msg)
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/*@modifies psm @*/;
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/** @todo Remove debugging entry from the ABI. */
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/*@-exportlocal@*/
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/*@newref@*/
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rpmpsm XrpmpsmLink (/*@null@*/ rpmpsm psm, /*@null@*/ const char * msg,
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const char * fn, unsigned ln)
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/*@modifies psm @*/;
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/*@=exportlocal@*/
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#define rpmpsmLink(_psm, _msg) XrpmpsmLink(_psm, _msg, __FILE__, __LINE__)
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/**
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* Destroy a package state machine.
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* @param psm package state machine
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* @return NULL always
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*/
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/*@null@*/
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rpmpsm rpmpsmFree(/*@killref@*/ /*@only@*/ /*@null@*/ rpmpsm psm)
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/*@globals fileSystem @*/
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/*@modifies psm, fileSystem @*/;
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/**
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* Create and load a package state machine.
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* @param ts transaction set
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* @param te transaction set element
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* @param fi file info set
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* @return new package state machine
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*/
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rpmpsm rpmpsmNew(rpmts ts, /*@null@*/ rpmte te, rpmfi fi)
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/*@modifies ts, fi @*/;
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/**
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* Package state machine driver.
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* @param psm package state machine data
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* @param stage next stage
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* @return 0 on success
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*/
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rpmRC rpmpsmStage(rpmpsm psm, pkgStage stage)
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/*@globals rpmGlobalMacroContext, fileSystem, internalState @*/
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/*@modifies psm, rpmGlobalMacroContext, fileSystem, internalState @*/;
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#ifdef __cplusplus
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}
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#endif
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#endif /* H_PSM */
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