Files
QNX/lib/c/services/pathmgr_link.c
2025-08-20 19:02:58 +08:00

74 lines
2.0 KiB
C

/*
* $QNXLicenseC:
* Copyright 2007, QNX Software Systems. All Rights Reserved.
*
* You must obtain a written license from and pay applicable license fees to QNX
* Software Systems before you may reproduce, modify or distribute this software,
* or any work that includes all or part of this software. Free development
* licenses are available for evaluation and non-commercial purposes. For more
* information visit http://licensing.qnx.com or email licensing@qnx.com.
*
* This file may contain contributions from others. Please review this entire
* file for other proprietary rights or license notices, as well as the QNX
* Development Suite License Guide at http://licensing.qnx.com/license-guide/
* for other information.
* $
*/
#include <stdarg.h>
#include <stddef.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <share.h>
#include <sys/neutrino.h>
#include <sys/ftype.h>
#include <sys/pathmgr.h>
#include <sys/pathmsg.h>
#include <sys/resmgr.h>
int pathmgr_link(const char *path, uint32_t nd, pid_t pid, int chid, unsigned handle, enum _file_type file_type, unsigned flags) {
struct _io_resmgr_link_extra linkl;
int fd;
if(flags & _RESMGR_FLAG_FTYPEALL) {
// Ignore passed in ftype
file_type = _FTYPE_ALL;
} else if(file_type < _FTYPE_ANY) {
errno = EINVAL;
return -1;
}
if(!path || !*path) {
path = "/";
flags |= _RESMGR_FLAG_FTYPEONLY;
} else if(flags & _RESMGR_FLAG_FTYPEONLY) { //You must pass in a null path to use FTYPEONLY
errno = EINVAL;
return -1;
}
linkl.nd = nd;
linkl.pid = pid ? pid : getpid();
linkl.chid = chid;
linkl.handle = handle;
linkl.file_type = file_type;
linkl.flags = flags;
if((fd = _connect(PATHMGR_COID, path, 0, O_NOCTTY, SH_DENYNO, _IO_CONNECT_LINK, 0, 0, _FTYPE_LINK,
_IO_CONNECT_EXTRA_RESMGR_LINK, sizeof linkl, &linkl, 0, 0, 0)) == -1) {
return -1;
}
if(flags & PATHMGR_FLAG_STICKY) {
ConnectDetach(fd);
fd = 0;
}
return fd;
}
__SRCVERSION("pathmgr_link.c $Rev: 153052 $");