diff options
Diffstat (limited to 'libs/ardour/session_state.cc')
| -rw-r--r-- | libs/ardour/session_state.cc | 47 |
1 files changed, 38 insertions, 9 deletions
diff --git a/libs/ardour/session_state.cc b/libs/ardour/session_state.cc index e729a7b00d..30f8571c01 100644 --- a/libs/ardour/session_state.cc +++ b/libs/ardour/session_state.cc @@ -46,6 +46,10 @@ #include <sys/mount.h> #endif +#ifdef HAVE_SYS_STATVFS_H +#include <sys/statvfs.h> +#endif + #include <glib.h> #include <glibmm.h> @@ -2079,23 +2083,48 @@ Session::save_template (string template_name) void Session::refresh_disk_space () { -#if HAVE_SYS_VFS_H - struct statfs statfsbuf; - vector<space_and_path>::iterator i; +#if HAVE_SYS_VFS_H && HAVE_SYS_STATVFS_H + Glib::Mutex::Lock lm (space_lock); - double scale; /* get freespace on every FS that is part of the session path */ _total_free_4k_blocks = 0; + _total_free_4k_blocks_uncertain = false; - for (i = session_dirs.begin(); i != session_dirs.end(); ++i) { - statfs ((*i).path.c_str(), &statfsbuf); + for (vector<space_and_path>::iterator i = session_dirs.begin(); i != session_dirs.end(); ++i) { + + struct statfs statfsbuf; + statfs (i->path.c_str(), &statfsbuf); - scale = statfsbuf.f_bsize/4096.0; + double const scale = statfsbuf.f_bsize / 4096.0; - (*i).blocks = (uint32_t) floor (statfsbuf.f_bavail * scale); - _total_free_4k_blocks += (*i).blocks; + /* See if this filesystem is read-only */ + struct statvfs statvfsbuf; + statvfs (i->path.c_str(), &statvfsbuf); + + /* f_bavail can be 0 if it is undefined for whatever + filesystem we are looking at; Samba shares mounted + via GVFS are an example of this. + */ + if (statfsbuf.f_bavail == 0) { + /* block count unknown */ + i->blocks = 0; + i->blocks_unknown = true; + } else if (statvfsbuf.f_flag & ST_RDONLY) { + /* read-only filesystem */ + i->blocks = 0; + i->blocks_unknown = false; + } else { + /* read/write filesystem with known space */ + i->blocks = (uint32_t) floor (statfsbuf.f_bavail * scale); + i->blocks_unknown = false; + } + + _total_free_4k_blocks += i->blocks; + if (i->blocks_unknown) { + _total_free_4k_blocks_uncertain = true; + } } #endif } |