1 //==========================================================================
5 // Stand-alone networking support for RedBoot
7 //==========================================================================
8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // -------------------------------------------
10 // This file is part of eCos, the Embedded Configurable Operating System.
11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
13 // eCos is free software; you can redistribute it and/or modify it under
14 // the terms of the GNU General Public License as published by the Free
15 // Software Foundation; either version 2 or (at your option) any later version.
17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
22 // You should have received a copy of the GNU General Public License along
23 // with eCos; if not, write to the Free Software Foundation, Inc.,
24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
26 // As a special exception, if other files instantiate templates or use macros
27 // or inline functions from this file, or you compile this file and link it
28 // with other works to produce a work based on this file, this file does not
29 // by itself cause the resulting work to be covered by the GNU General Public
30 // License. However the source code for this file must still be made available
31 // in accordance with section (3) of the GNU General Public License.
33 // This exception does not invalidate any other reasons why a work based on
34 // this file might be covered by the GNU General Public License.
36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
37 // at http://sources.redhat.com/ecos/ecos-license/
38 // -------------------------------------------
39 //####ECOSGPLCOPYRIGHTEND####
40 //==========================================================================
41 //#####DESCRIPTIONBEGIN####
44 // Contributors: gthomas
49 // This code is part of RedBoot (tm).
51 //####DESCRIPTIONEND####
53 //==========================================================================
57 static timer_t *tmr_list;
61 * Set a timer. Caller is responsible for providing the timer_t struct.
64 __timer_set(timer_t *t, unsigned long delay,
65 tmr_handler_t handler, void *user_data)
70 t->start = MS_TICKS();
72 t->user_data = user_data;
74 for (p = tmr_list; p; p = p->next)
85 * Remove a given timer from timer list.
88 __timer_cancel(timer_t *t)
92 for (prev = NULL, p = tmr_list; p; prev = p, p = p->next)
104 * Poll timer list for timer expirations.
114 if ((MS_TICKS() - t->start) >= t->delay) {
116 /* remove it before calling handler */
118 prev->next = t->next;
121 /* now, call the handler */
122 t->handler(t->user_data);
125 * handler may be time consuming, so start
126 * from beginning of list.