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Patch by "VinDuv" (Vincent Duvert?): Added FSShell support for devices on

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MacOS X.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@30289 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2009-04-21 10:21:03 +00:00
parent d102012d3a
commit 04eb9ba18e
1 changed files with 60 additions and 0 deletions
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60
src/tools/fs_shell/unistd.cpp
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@ -260,6 +260,66 @@ fssh_ioctl(int fd, unsigned long op, ...)
} else
error = errno;
}
#elif HAIKU_HOST_PLATFORM_DARWIN
{
// Darwin does not seems to provide a way to access disk
// geometry directly
struct stat status;
if (fstat(fd, &status) == 0) {
// Do nothing for a regular file
if (S_ISREG(status.st_mode))
break;
off_t mediaSize;
if (ioctl(fd, DKIOCGETBLOCKCOUNT, &mediaSize) != 0) {
error = errno;
break;
}
geometry->head_count = 4;
geometry->sectors_per_track = 63;
geometry->cylinder_count = mediaSize / geometry->head_count
/ geometry->sectors_per_track;
while (geometry->cylinder_count > 1024
&& geometry->head_count < 256) {
geometry->head_count *= 2;
geometry->cylinder_count /= 2;
}
if (geometry->head_count == 256) {
geometry->head_count = 255;
geometry->cylinder_count = mediaSize
/ geometry->head_count
/ geometry->sectors_per_track;
}
if (ioctl(fd, DKIOCGETBLOCKSIZE,
&geometry->bytes_per_sector) != 0) {
error = errno;
break;
}
uint32_t isWritable;
if (ioctl(fd, DKIOCISWRITABLE, &isWritable) != 0) {
error = errno;
break;
}
geometry->read_only = !isWritable;
// TODO: Get the real values...
geometry->device_type = FSSH_B_DISK;
geometry->removable = false;
geometry->write_once = false;
error = B_OK;
} else
error = errno;
}
#else
// Not implemented for this platform, i.e. we won't be able to
// deal with disk devices.