diff options
-rw-r--r-- | ext/repo_rpmdb.c | 90 |
1 files changed, 74 insertions, 16 deletions
diff --git a/ext/repo_rpmdb.c b/ext/repo_rpmdb.c index 9ab49d6..299d20d 100644 --- a/ext/repo_rpmdb.c +++ b/ext/repo_rpmdb.c @@ -1017,10 +1017,40 @@ static inline void rpmdbid2db(unsigned char *db, Id id, int byteswapped) #endif } +#ifdef FEDORA +int +serialize_dbenv_ops(struct rpmdbstate *state) +{ + char lpath[PATH_MAX]; + mode_t oldmask = umask(022); + int fd; + struct flock fl; + + snprintf(lpath, PATH_MAX, "%s/var/lib/rpm/.dbenv.lock", state->rootdir ? state->rootdir : ""); + fd = open(lpath, (O_RDWR|O_CREAT), 0644); + umask(oldmask); + if (fd < 0) + return -1; + memset(&fl, 0, sizeof(fl)); + fl.l_type = F_WRLCK; + fl.l_whence = SEEK_SET; + for (;;) + { + if (fcntl(fd, F_SETLKW, &fl) != -1) + return fd; + if (errno != EINTR) + break; + } + close(fd); + return -1; +} +#endif + /* should look in /usr/lib/rpm/macros instead, but we want speed... */ static int -opendbenv(struct rpmdbstate *state, const char *rootdir) +opendbenv(struct rpmdbstate *state) { + const char *rootdir = state->rootdir; char dbpath[PATH_MAX]; DB_ENV *dbenv = 0; int r; @@ -1038,7 +1068,10 @@ opendbenv(struct rpmdbstate *state, const char *rootdir) else { #ifdef FEDORA + int serialize_fd = serialize_dbenv_ops(state); r = dbenv->open(dbenv, dbpath, DB_CREATE|DB_INIT_CDB|DB_INIT_MPOOL, 0644); + if (serialize_fd >= 0) + close(serialize_fd); #else r = dbenv->open(dbenv, dbpath, DB_CREATE|DB_PRIVATE|DB_INIT_MPOOL, 0); #endif @@ -1053,20 +1086,45 @@ opendbenv(struct rpmdbstate *state, const char *rootdir) return 1; } +static void +closedbenv(struct rpmdbstate *state) +{ +#ifdef FEDORA + uint32_t eflags = 0; +#endif + + if (!state->dbenv) + return; +#ifdef FEDORA + (void)state->dbenv->get_open_flags(state->dbenv, &eflags); + if (!(eflags & DB_PRIVATE)) + { + int serialize_fd = serialize_dbenv_ops(state); + state->dbenv->close(state->dbenv, 0); + if (serialize_fd >= 0) + close(serialize_fd); + } + else + state->dbenv->close(state->dbenv, 0); +#else + state->dbenv->close(state->dbenv, 0); +#endif + state->dbenv = 0; +} + static int openpkgdb(struct rpmdbstate *state) { if (state->dbopened) return state->dbopened > 0 ? 1 : 0; state->dbopened = -1; - if (!state->dbenv && !opendbenv(state, state->rootdir)) + if (!state->dbenv && !opendbenv(state)) return 0; if (db_create(&state->db, state->dbenv, 0)) { pool_error(state->pool, 0, "db_create: %s", strerror(errno)); state->db = 0; - state->dbenv->close(state->dbenv, 0); - state->dbenv = 0; + closedbenv(state); return 0; } if (state->db->open(state->db, 0, "Packages", 0, DB_UNKNOWN, DB_RDONLY, 0664)) @@ -1074,8 +1132,7 @@ openpkgdb(struct rpmdbstate *state) pool_error(state->pool, 0, "db->open Packages: %s", strerror(errno)); state->db->close(state->db, 0); state->db = 0; - state->dbenv->close(state->dbenv, 0); - state->dbenv = 0; + closedbenv(state); return 0; } if (state->db->get_byteswapped(state->db, &state->byteswapped)) @@ -1083,8 +1140,7 @@ openpkgdb(struct rpmdbstate *state) pool_error(state->pool, 0, "db->get_byteswapped: %s", strerror(errno)); state->db->close(state->db, 0); state->db = 0; - state->dbenv->close(state->dbenv, 0); - state->dbenv = 0; + closedbenv(state); return 0; } state->dbopened = 1; @@ -1115,7 +1171,7 @@ getinstalledrpmdbids(struct rpmdbstate *state, const char *index, const char *ma if (namedatap) *namedatap = 0; - if (!state->dbenv && !opendbenv(state, state->rootdir)) + if (!state->dbenv && !opendbenv(state)) return 0; dbenv = state->dbenv; if (db_create(&db, dbenv, 0)) @@ -1286,7 +1342,7 @@ freestate(struct rpmdbstate *state) if (state->db) state->db->close(state->db, 0); if (state->dbenv) - state->dbenv->close(state->dbenv, 0); + closedbenv(state); solv_free(state->rpmhead); } @@ -1610,7 +1666,6 @@ repo_add_rpmdb(Repo *repo, Repo *ref, int flags) Id oldcookietype = 0; Repodata *data; int count = 0, done = 0; - const char *rootdir = 0; struct rpmdbstate state; int i; Solvable *s; @@ -1630,12 +1685,15 @@ repo_add_rpmdb(Repo *repo, Repo *ref, int flags) } if (flags & REPO_USE_ROOTDIR) - rootdir = pool_get_rootdir(pool); - if (!opendbenv(&state, rootdir)) - return -1; + state.rootdir = solv_strdup(pool_get_rootdir(pool)); + if (!opendbenv(&state)) + { + solv_free(state.rootdir); + return -1; + } /* XXX: should get ro lock of Packages database! */ - snprintf(dbpath, PATH_MAX, "%s/var/lib/rpm/Packages", rootdir ? rootdir : ""); + snprintf(dbpath, PATH_MAX, "%s/var/lib/rpm/Packages", state.rootdir ? state.rootdir : ""); if (stat(dbpath, &packagesstat)) { pool_error(pool, -1, "%s: %s", dbpath, strerror(errno)); @@ -1656,7 +1714,7 @@ repo_add_rpmdb(Repo *repo, Repo *ref, int flags) if (ref && (flags & RPMDB_EMPTY_REFREPO) != 0) repo_empty(ref, 1); /* get it out of the way */ if ((flags & RPMDB_REPORT_PROGRESS) != 0) - count = count_headers(pool, rootdir, state.dbenv); + count = count_headers(pool, state.rootdir, state.dbenv); if (!openpkgdb(&state)) { freestate(&state); |