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| author | Kevin Kirspel <kevin-kirspel@idexx.com> | 2016-12-21 11:01:28 -0800 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-12-23 08:26:14 +0100 |
| commit | b1580fb039a62cbc82c3c205e82c7aaea538875e (patch) | |
| tree | 892848b8782046cf06764949a02c74cd1576c332 /rtemsbsd/sys/fs/devfs/devfs_devs.c | |
| parent | PIPE(2): Import from FreeBSD (diff) | |
| download | rtems-libbsd-b1580fb039a62cbc82c3c205e82c7aaea538875e.tar.bz2 | |
PIPE(2): Port to RTEMS
Diffstat (limited to 'rtemsbsd/sys/fs/devfs/devfs_devs.c')
| -rwxr-xr-x[-rw-r--r--] | rtemsbsd/sys/fs/devfs/devfs_devs.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/rtemsbsd/sys/fs/devfs/devfs_devs.c b/rtemsbsd/sys/fs/devfs/devfs_devs.c index a38bb4d2..75c9e270 100644..100755 --- a/rtemsbsd/sys/fs/devfs/devfs_devs.c +++ b/rtemsbsd/sys/fs/devfs/devfs_devs.c @@ -33,6 +33,7 @@ #include <sys/types.h> #include <sys/conf.h> +#include <sys/kernel.h> #include <sys/file.h> #include <sys/malloc.h> #include <stdlib.h> @@ -45,8 +46,12 @@ #include <rtems/imfs.h> +#define DEVFS_ROOTINO 2 + const char rtems_cdev_directory[] = RTEMS_CDEV_DIRECTORY; +struct unrhdr *devfs_inos; + static struct cdev * devfs_imfs_get_context_by_iop(rtems_libio_t *iop) { @@ -325,3 +330,27 @@ devfs_dev_exists(const char *name) else return 0; } + +ino_t +devfs_alloc_cdp_inode(void) +{ + + return (alloc_unr(devfs_inos)); +} + +void +devfs_free_cdp_inode(ino_t ino) +{ + + if (ino > 0) + free_unr(devfs_inos, ino); +} + +static void + devfs_devs_init(void *junk __unused) +{ + + devfs_inos = new_unrhdr(DEVFS_ROOTINO + 1, INT_MAX, &devmtx); +} + +SYSINIT(devfs_devs, SI_SUB_DEVFS, SI_ORDER_FIRST, devfs_devs_init, NULL); |