diff options
Diffstat (limited to 'locale')
| -rw-r--r-- | locale/programs/locarchive.c | 97 |
1 files changed, 51 insertions, 46 deletions
diff --git a/locale/programs/locarchive.c b/locale/programs/locarchive.c index 07ec3bbc37..2bfb0cd5d8 100644 --- a/locale/programs/locarchive.c +++ b/locale/programs/locarchive.c @@ -417,69 +417,74 @@ open_archive (struct locarhandle *ah, bool readonly) memcpy (archivefname, output_prefix, prefix_len); strcpy (archivefname + prefix_len, ARCHIVE_NAME); - again: - /* Open the archive. We must have exclusive write access. */ - fd = open64 (archivefname, readonly ? O_RDONLY : O_RDWR); - if (fd == -1) + while (1) { - /* Maybe the file does not yet exist. */ - if (errno == ENOENT) + /* Open the archive. We must have exclusive write access. */ + fd = open64 (archivefname, readonly ? O_RDONLY : O_RDWR); + if (fd == -1) { - if (readonly) + /* Maybe the file does not yet exist. */ + if (errno == ENOENT) { - static const struct locarhead nullhead = + if (readonly) { - .namehash_used = 0, - .namehash_offset = 0, - .namehash_size = 0 - }; + static const struct locarhead nullhead = + { + .namehash_used = 0, + .namehash_offset = 0, + .namehash_size = 0 + }; + + ah->addr = (void *) &nullhead; + ah->fd = -1; + } + else + create_archive (archivefname, ah); - ah->addr = (void *) &nullhead; - ah->fd = -1; + return; } else - create_archive (archivefname, ah); - - return; + error (EXIT_FAILURE, errno, _("cannot open locale archive \"%s\""), + archivefname); } - else - error (EXIT_FAILURE, errno, _("cannot open locale archive \"%s\""), + + if (fstat64 (fd, &st) < 0) + error (EXIT_FAILURE, errno, _("cannot stat locale archive \"%s\""), archivefname); - } - if (fstat64 (fd, &st) < 0) - error (EXIT_FAILURE, errno, _("cannot stat locale archive \"%s\""), - archivefname); + if (!readonly && lockf64 (fd, F_LOCK, sizeof (struct locarhead)) == -1) + { + close (fd); - if (!readonly && lockf64 (fd, F_LOCK, sizeof (struct locarhead)) == -1) - { - close (fd); + if (retry++ < max_locarchive_open_retry) + { + struct timespec req; - if (retry++ < max_locarchive_open_retry) - { - struct timespec req; + /* Wait for a bit. */ + req.tv_sec = 0; + req.tv_nsec = 1000000 * (random () % 500 + 1); + (void) nanosleep (&req, NULL); - /* Wait for a bit. */ - req.tv_sec = 0; - req.tv_nsec = 1000000 * (random () % 500 + 1); - (void) nanosleep (&req, NULL); + continue; + } - goto again; + error (EXIT_FAILURE, errno, _("cannot lock locale archive \"%s\""), + archivefname); } - error (EXIT_FAILURE, errno, _("cannot lock locale archive \"%s\""), - archivefname); - } + /* One more check. Maybe another process replaced the archive file + with a new, larger one since we opened the file. */ + if (stat64 (archivefname, &st2) == -1 + || st.st_dev != st2.st_dev + || st.st_ino != st2.st_ino) + { + (void) lockf64 (fd, F_ULOCK, sizeof (struct locarhead)); + close (fd); + continue; + } - /* One more check. Maybe another process replaced the archive file - with a new, larger one since we opened the file. */ - if (stat64 (archivefname, &st2) == -1 - || st.st_dev != st2.st_dev - || st.st_ino != st2.st_ino) - { - (void) lockf64 (fd, F_ULOCK, sizeof (struct locarhead)); - close (fd); - goto again; + /* Leave the loop. */ + break; } /* Read the header. */ |