Return to cap.c CVS log

Up to [local] / prex-old / usr / test / cap

Annotation of prex-old/usr/test/cap/cap.c, Revision 1.1

1.1     ! nbrk        1: /*-
        !             2:  * Copyright (c) 2005-2006, Kohsuke Ohtani
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. Neither the name of the author nor the names of any co-contributors
        !            14:  *    may be used to endorse or promote products derived from this software
        !            15:  *    without specific prior written permission.
        !            16:  *
        !            17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
        !            18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
        !            21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            27:  * SUCH DAMAGE.
        !            28:  */
        !            29:
        !            30: /*
        !            31:  * cap.c - test program for task capability.
        !            32:  */
        !            33:
        !            34: #include <prex/prex.h>
        !            35: #include <prex/capability.h>
        !            36:
        !            37: #include <stdio.h>
        !            38:
        !            39: static task_t task;
        !            40: static cap_t cap;
        !            41:
        !            42: static void
        !            43: cap_get(void)
        !            44: {
        !            45:        int err;
        !            46:
        !            47:        if ((err = task_getcap(task, &cap)) != 0) {
        !            48:                printf("err=%d\n", err);
        !            49:                panic("cap: failed to get capability\n");
        !            50:        }
        !            51:        printf(" capability=%x\n", cap);
        !            52: }
        !            53:
        !            54: static void
        !            55: cap_remove(int c)
        !            56: {
        !            57:        int err;
        !            58:
        !            59:        cap &= ~c;
        !            60:        if ((err = task_setcap(task, &cap)) != 0) {
        !            61:                printf("err=%d\n", err);
        !            62:                panic("cap: failed to change capability\n");
        !            63:        }
        !            64: }
        !            65:
        !            66: int
        !            67: main(int argc, char *argv[])
        !            68: {
        !            69:        task_t child;
        !            70:        thread_t th;
        !            71:        int err;
        !            72:
        !            73:        printf("cap - test program for capability\n");
        !            74:
        !            75:        task = task_self();
        !            76:        printf("task=%x\n", (u_int)task);
        !            77:
        !            78:        if (task_create(task, VM_NEW, &child) != 0)
        !            79:                panic("failed to create task");
        !            80:
        !            81:        if (thread_create(child, &th) != 0)
        !            82:                panic("failed to create thread");
        !            83:
        !            84:        printf("Get capability\n");
        !            85:        cap_get();
        !            86:
        !            87:        /*
        !            88:         * Test CAP_TASK
        !            89:         */
        !            90:        printf("Set task name\n");
        !            91:        if ((err = task_name(child, "foo")) != 0)
        !            92:                panic("failed to set task name\n");
        !            93:
        !            94:        printf("\nRemove CAP_TASK\n");
        !            95:        cap_remove(CAP_TASK);
        !            96:        cap_get();
        !            97:        printf(" - OK!\n");
        !            98:
        !            99:        printf("Set task name\n");
        !           100:        err = task_name(child, "foo");
        !           101:        if (err)
        !           102:                printf("task_name() returns error=%d\n", err);
        !           103:        else
        !           104:                panic("task_name() must return error");
        !           105:
        !           106:
        !           107:        /*
        !           108:         * Test CAP_NICE
        !           109:         */
        !           110:        printf("Set priority\n");
        !           111:        err = thread_setprio(th, 199);
        !           112:        if (err)
        !           113:                panic("failed to set priority\n");
        !           114:
        !           115:        printf("\nRemove CAP_NICE\n");
        !           116:        cap_remove(CAP_NICE);
        !           117:        cap_get();
        !           118:        printf(" - OK!\n");
        !           119:
        !           120:        printf("Set priority\n");
        !           121:        err = thread_setprio(th, 199);
        !           122:        if (err)
        !           123:                printf("thread_setprio() returns error=%d\n", err);
        !           124:        else
        !           125:                panic("thread_setprio() must return error");
        !           126:
        !           127:
        !           128:        /*
        !           129:         * Test CAP_SETPCAP
        !           130:         */
        !           131:        printf("\nRemove CAP_SETPCAP\n");
        !           132:        cap_remove(CAP_SETPCAP);
        !           133:        cap_get();
        !           134:        printf(" - OK!\n");
        !           135:
        !           136:        printf("\nTest CAP_SETPCAP\n");
        !           137:
        !           138:        /* This cause panic if it finishes successfully. */
        !           139:        cap_remove(CAP_SETPCAP);
        !           140:        cap_get();
        !           141:
        !           142:        printf(" - Oops!\n");
        !           143:        return 0;
        !           144: }