/*
* Copyright (c) 2003-2004 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_HEADER_START@
*
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License"). You may not use this file except in compliance with the
+ * License. Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
*
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
*
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ * @APPLE_LICENSE_HEADER_END@
*/
/*
#include <sys/signalvar.h>
#include <sys/pipe.h>
#include <sys/sysproto.h>
-#include <sys/proc_info.h>
#include <bsm/audit_kernel.h>
* allocate lock group attribute and group for pipe mutexes
*/
pipe_mtx_grp_attr = lck_grp_attr_alloc_init();
+ //lck_grp_attr_setstat(pipe_mtx_grp_attr);
pipe_mtx_grp = lck_grp_alloc_init("pipe", pipe_mtx_grp_attr);
/*
* allocate the lock attribute for pipe mutexes
*/
pipe_mtx_attr = lck_attr_alloc_init();
+ //lck_attr_setdebug(pipe_mtx_attr);
}
wf->f_data = (caddr_t)wpipe;
wf->f_ops = &pipeops;
+ rpipe->pipe_peer = wpipe;
+ wpipe->pipe_peer = rpipe;
+
+ rpipe->pipe_mtxp = wpipe->pipe_mtxp = pmtx;
retval[1] = fd;
#ifdef MAC
/*
mac_create_pipe(td->td_ucred, rpipe);
#endif
proc_fdlock(p);
- *fdflags(p, retval[0]) &= ~UF_RESERVED;
- *fdflags(p, retval[1]) &= ~UF_RESERVED;
+ procfdtbl_releasefd(p, retval[0], NULL);
+ procfdtbl_releasefd(p, retval[1], NULL);
fp_drop(p, retval[0], rf, 1);
fp_drop(p, retval[1], wf, 1);
proc_fdunlock(p);
- rpipe->pipe_peer = wpipe;
- wpipe->pipe_peer = rpipe;
-
- rpipe->pipe_mtxp = wpipe->pipe_mtxp = pmtx;
return (0);
if (cpipe->pipe_buffer.buffer != NULL) {
if (cpipe->pipe_buffer.size > PIPE_SIZE)
OSAddAtomic(-1, (SInt32 *)&nbigpipe);
- OSAddAtomic(-(cpipe->pipe_buffer.size), (SInt32 *)&amountpipekva);
+ OSAddAtomic(cpipe->pipe_buffer.size, (SInt32 *)&amountpipekva);
OSAddAtomic(-1, (SInt32 *)&amountpipes);
kmem_free(kernel_map, (vm_offset_t)cpipe->pipe_buffer.buffer,
return (kn->kn_data >= ((kn->kn_sfflags & NOTE_LOWAT) ?
kn->kn_sdata : PIPE_BUF));
}
-
-int
-fill_pipeinfo(struct pipe * cpipe, struct pipe_info * pinfo)
-{
-#ifdef MAC
- int error;
-#endif
- struct timeval now;
- struct stat * ub;
-
- if (cpipe == NULL)
- return (EBADF);
-#ifdef MAC
- PIPE_LOCK(cpipe);
- error = mac_check_pipe_stat(active_cred, cpipe);
- PIPE_UNLOCK(cpipe);
- if (error)
- return (error);
-#endif
- if (cpipe->pipe_buffer.buffer == 0) {
- /*
- * must be stat'ing the write fd
- */
- cpipe = cpipe->pipe_peer;
-
- if (cpipe == NULL)
- return (EBADF);
- }
-
- ub = &pinfo->pipe_stat;
-
- bzero(ub, sizeof(*ub));
- ub->st_mode = S_IFIFO | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP;
- ub->st_blksize = cpipe->pipe_buffer.size;
- ub->st_size = cpipe->pipe_buffer.cnt;
- if (ub->st_blksize != 0);
- ub->st_blocks = (ub->st_size + ub->st_blksize - 1) / ub->st_blksize;
- ub->st_nlink = 1;
-
- ub->st_uid = kauth_getuid();
- ub->st_gid = kauth_getgid();
-
- microtime(&now);
- ub->st_atimespec.tv_sec = now.tv_sec;
- ub->st_atimespec.tv_nsec = now.tv_usec * 1000;
-
- ub->st_mtimespec.tv_sec = now.tv_sec;
- ub->st_mtimespec.tv_nsec = now.tv_usec * 1000;
-
- ub->st_ctimespec.tv_sec = now.tv_sec;
- ub->st_ctimespec.tv_nsec = now.tv_usec * 1000;
-
- /*
- * Left as 0: st_dev, st_ino, st_nlink, st_rdev, st_flags, st_gen, st_uid, st_gid.
- * XXX (st_dev, st_ino) should be unique.
- */
-
- pinfo->pipe_handle = (uint64_t)((uintptr_t)cpipe);
- pinfo->pipe_peerhandle = (uint64_t)((uintptr_t)(cpipe->pipe_peer));
- pinfo->pipe_status = cpipe->pipe_state;
- return (0);
-}
-
projects / apple / xnu.git / blobdiff