Annotation of ansh/src/proc.c, revision 1.4
1.1 misho 1: /*************************************************************************
2: * (C) 2011 AITNET - Sofia/Bulgaria - <office@aitnet.org>
3: * by Michael Pounov <misho@elwix.org>
4: *
5: * $Author: misho $
1.4 ! misho 6: * $Id: proc.c,v 1.3.2.2 2012/05/23 15:41:38 misho Exp $
1.1 misho 7: *
1.2 misho 8: *************************************************************************
9: The ELWIX and AITNET software is distributed under the following
10: terms:
11:
12: All of the documentation and software included in the ELWIX and AITNET
13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
14:
1.4 ! misho 15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
1.2 misho 16: by Michael Pounov <misho@elwix.org>. All rights reserved.
17:
18: Redistribution and use in source and binary forms, with or without
19: modification, are permitted provided that the following conditions
20: are met:
21: 1. Redistributions of source code must retain the above copyright
22: notice, this list of conditions and the following disclaimer.
23: 2. Redistributions in binary form must reproduce the above copyright
24: notice, this list of conditions and the following disclaimer in the
25: documentation and/or other materials provided with the distribution.
26: 3. All advertising materials mentioning features or use of this software
27: must display the following acknowledgement:
28: This product includes software developed by Michael Pounov <misho@elwix.org>
29: ELWIX - Embedded LightWeight unIX and its contributors.
30: 4. Neither the name of AITNET nor the names of its contributors
31: may be used to endorse or promote products derived from this software
32: without specific prior written permission.
33:
34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37: ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44: SUCH DAMAGE.
45: */
1.1 misho 46: #include "global.h"
47: #include "anshd.h"
48: #include "proc.h"
49:
50:
51: struct tagProc *
1.3 misho 52: InitProc(int h, io_sockaddr_t *sa, u_short id, int len)
1.1 misho 53: {
54: struct tagProc *proc;
55:
56: FTRACE(5);
57:
1.4 ! misho 58: proc = io_malloc(sizeof(struct tagProc));
1.1 misho 59: if (!proc) {
60: ERR("Not enough memory #%d - %s", errno, strerror(errno));
61: return NULL;
62: } else
63: memset(proc, 0, sizeof(struct tagProc));
64: proc->proc_sock = h;
65: proc->proc_id = id;
66: if (sa)
1.3 misho 67: memcpy(&proc->proc_cli, sa, sizeof(io_sockaddr_t));
1.1 misho 68:
69: proc->proc_blen = len;
1.4 ! misho 70: proc->proc_buf_[0] = io_malloc(proc->proc_blen);
1.1 misho 71: if (!proc->proc_buf_[0]) {
1.4 ! misho 72: io_free(proc);
1.1 misho 73: proc = NULL;
74: }
1.4 ! misho 75: proc->proc_buf_[1] = io_malloc(proc->proc_blen);
1.1 misho 76: if (!proc->proc_buf_[1]) {
1.4 ! misho 77: io_free(proc->proc_buf_[0]);
! 78: io_free(proc);
1.1 misho 79: proc = NULL;
80: }
81:
82: SLIST_INSERT_HEAD(&pH, proc, proc_next);
83: return proc;
84: }
85:
86: void
87: FiniProcByID(u_short id)
88: {
89: struct tagProc *proc;
90:
91: SLIST_FOREACH(proc, &pH, proc_next)
92: if (proc->proc_id == id) {
93: SLIST_REMOVE(&pH, proc, tagProc, proc_next);
94: FreeProc(&proc);
95: }
96: }
97:
98: void
99: FreeProc(struct tagProc ** __restrict proc)
100: {
101: FTRACE(5);
102:
103: assert(proc && *proc);
104: if (!*proc)
105: return;
106:
107: if ((*proc)->proc_buf_[1])
1.4 ! misho 108: io_free((*proc)->proc_buf_[1]);
1.1 misho 109: if ((*proc)->proc_buf_[0])
1.4 ! misho 110: io_free((*proc)->proc_buf_[0]);
! 111: io_free(*proc);
1.1 misho 112: *proc = NULL;
113: }
114:
115: void
116: DestroyProc()
117: {
118: struct tagProc *proc;
119:
120: while ((proc = SLIST_FIRST(&pH))) {
121: SLIST_REMOVE_HEAD(&pH, proc_next);
122: FreeProc(&proc);
123: }
124: }
1.4 ! misho 125:
! 126:
! 127: int
! 128: stopProcess(sched_root_task_t * __restrict root, proc_head_t * __restrict h, pid_t pid, sched_task_func_t func)
! 129: {
! 130: struct tagProc *p;
! 131:
! 132: FTRACE(3);
! 133:
! 134: SLIST_FOREACH(p, h, proc_next)
! 135: if (p->proc_pid == pid) {
! 136: break;
! 137: }
! 138: VERB(3) LOG("pid=%d found=%p\n", pid, p);
! 139: if (!p)
! 140: return 1;
! 141:
! 142: ioFreePTY(p->proc_pty, p->proc_ttyname);
! 143: if (p->proc_pty)
! 144: schedCancelby(root, taskMAX, CRITERIA_FD, (void*) ((intptr_t) p->proc_pty), NULL);
! 145:
! 146: p->proc_pty = 0;
! 147: p->proc_pid = 0;
! 148: p->proc_seq = 0;
! 149: p->proc_flg = ANSH_FLG_EOF;
! 150: p->proc_rlen_[FD2NET] = 0;
! 151:
! 152: schedCallOnce(root, func, p, p->proc_sock, NULL, 0);
! 153: return 0;
! 154: }
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