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| author | Bastien Nocera <hadess@hadess.net> | 2014-06-25 17:25:50 +0200 |
|---|---|---|
| committer | Bastien Nocera <hadess@hadess.net> | 2014-06-25 17:26:18 +0200 |
| commit | 1f7683bfcbecbeffa802a1c361e1842db2fff4f8 (patch) | |
| tree | 10bce23a175533a7db66bb2eb6325002724c825e | |
| parent | fd48920cf82402a95f658cab93db0cf3786c4d6e (diff) | |
| download | shared-mime-info-1f7683bfcbecbeffa802a1c361e1842db2fff4f8.tar.gz | |
Disable fdatasync() usage if PKGSYSTEM_ENABLE_FSYNC is set
If the PKGSYSTEM_ENABLE_FSYNC envvar is set to a non-zero value,
the fdatasync() call will be skipped, at the expense of data integrity.
https://bugs.freedesktop.org/show_bug.cgi?id=70366
| -rw-r--r-- | update-mime-database.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/update-mime-database.c b/update-mime-database.c index c1a6f9fc..894ac977 100644 --- a/update-mime-database.c +++ b/update-mime-database.c @@ -936,11 +936,25 @@ set_error_from_errno (GError **error) g_strerror(errsv)); } +static gboolean +sync_enabled(void) +{ + const char *env; + + env = g_getenv("PKGSYSTEM_ENABLE_FSYNC"); + if (!env) + return TRUE; + return atoi(env); +} + static int sync_file(const gchar *pathname, GError **error) { int fd; + if (!sync_enabled()) + return 0; + #ifdef HAVE_FDATASYNC fd = open(pathname, O_RDWR); if (fd == -1) |