minix/lib/libsys/mapdriver.c

#include "syslib.h"

#include <string.h>
#include <unistd.h>

int
mapdriver(char *label, devmajor_t major)
{
	message m;

	memset(&m, 0, sizeof(m));
	m.m_lsys_vfs_mapdriver.label = (vir_bytes)label;
	m.m_lsys_vfs_mapdriver.labellen = strlen(label) + 1;
	m.m_lsys_vfs_mapdriver.major = major;

	return _taskcall(VFS_PROC_NR, VFS_MAPDRIVER, &m);
}
libsys: various updates - move system calls for use by services from libminlib into libsys; - move srv_fork(2) and srv_kill(2) from RS and into libsys; - replace getprocnr(2) with sef_self(3); - rename previous getnprocnr(2) to getprocnr(2); - clean up getepinfo(2); - change all libsys calls that used _syscall to use _taskcall, so as to avoid going through errno to pass errors; this is already how most calls work anyway, and many of the calls previously using _syscall were already assumed to return the actual error; - initialize request messages to zero, for future compatibility (note that this does not include PCI calls, which are in need of a much bigger overhaul, nor kernel calls); - clean up more of dead DS code as a side effect. Change-Id: I8788f54c68598fcf58e23486e270c2d749780ebb 2013-11-03 22:33:44 +01:00			`#include "syslib.h"`

			`#include <string.h>`
			`#include <unistd.h>`

			`int`
			`mapdriver(char *label, devmajor_t major)`
			`{`
			`message m;`

			`memset(&m, 0, sizeof(m));`
Message type for VFS_MAPDRIVER Change-Id: I979a8769b72cd06efbedf0c6735ac3cd0c4dd2e3 2014-05-12 13:03:55 +02:00			`m.m_lsys_vfs_mapdriver.label = (vir_bytes)label;`
			`m.m_lsys_vfs_mapdriver.labellen = strlen(label) + 1;`
			`m.m_lsys_vfs_mapdriver.major = major;`
libsys: various updates - move system calls for use by services from libminlib into libsys; - move srv_fork(2) and srv_kill(2) from RS and into libsys; - replace getprocnr(2) with sef_self(3); - rename previous getnprocnr(2) to getprocnr(2); - clean up getepinfo(2); - change all libsys calls that used _syscall to use _taskcall, so as to avoid going through errno to pass errors; this is already how most calls work anyway, and many of the calls previously using _syscall were already assumed to return the actual error; - initialize request messages to zero, for future compatibility (note that this does not include PCI calls, which are in need of a much bigger overhaul, nor kernel calls); - clean up more of dead DS code as a side effect. Change-Id: I8788f54c68598fcf58e23486e270c2d749780ebb 2013-11-03 22:33:44 +01:00
Clean up interface to PM and VFS - introduce new call numbers, names, and field aliases; - initialize request messages to zero for all ABI calls; - format callnr.h in the same way as com.h; - redo call tables in both servers; - remove param.h namespace pollution in the servers; - make brk(2) go to VM directly, rather than through PM; - remove obsolete BRK, UTIME, and WAIT calls; - clean up path copying routine in VFS; - move remaining system calls from libminlib to libc; - correct some errno-related mistakes in libc routines. Change-Id: I2d8ec5d061cd7e0b30c51ffd77aa72ebf84e2565 2013-11-04 22:48:08 +01:00			`return _taskcall(VFS_PROC_NR, VFS_MAPDRIVER, &m);`
libsys: various updates - move system calls for use by services from libminlib into libsys; - move srv_fork(2) and srv_kill(2) from RS and into libsys; - replace getprocnr(2) with sef_self(3); - rename previous getnprocnr(2) to getprocnr(2); - clean up getepinfo(2); - change all libsys calls that used _syscall to use _taskcall, so as to avoid going through errno to pass errors; this is already how most calls work anyway, and many of the calls previously using _syscall were already assumed to return the actual error; - initialize request messages to zero, for future compatibility (note that this does not include PCI calls, which are in need of a much bigger overhaul, nor kernel calls); - clean up more of dead DS code as a side effect. Change-Id: I8788f54c68598fcf58e23486e270c2d749780ebb 2013-11-03 22:33:44 +01:00			`}`