1 /* 2 * Copyright (c) International Business Machines Corp., 2001 3 * 03/2001 - Written by Wayne Boyer 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 13 * the GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 */ 19 20 /* 21 * DESCRIPTION 22 * setpriority01 - set the priority for the test process lower. 23 */ 24 25 #include "test.h" 26 27 #include <errno.h> 28 #include <sys/time.h> 29 #include <sys/resource.h> 30 31 static void cleanup(void); 32 static void setpriority_verify(const int); 33 static void setup(void); 34 35 char *TCID = "setpriority01"; 36 int TST_TOTAL = 40; 37 38 int main(int ac, char **av) 39 { 40 int lc; 41 int new_val; 42 43 tst_parse_opts(ac, av, NULL, NULL); 44 45 setup(); 46 47 for (lc = 0; TEST_LOOPING(lc); lc++) { 48 tst_count = 0; 49 for (new_val = -20; new_val < 20; new_val++) 50 setpriority_verify(new_val); 51 } 52 53 cleanup(); 54 tst_exit(); 55 56 } 57 58 static void setup(void) 59 { 60 tst_require_root(); 61 62 tst_sig(NOFORK, DEF_HANDLER, cleanup); 63 64 TEST_PAUSE; 65 } 66 67 static void setpriority_verify(const int new_prio) 68 { 69 int priority; 70 TEST(setpriority(PRIO_PROCESS, 0, new_prio)); 71 72 if (TEST_RETURN != 0) { 73 tst_resm(TFAIL | TTERRNO, "setpriority(%d) failed", new_prio); 74 return; 75 } 76 77 priority = getpriority(PRIO_PROCESS, 0); 78 if (errno == -1) { 79 tst_brkm(TBROK, cleanup, 80 "getpriority call failed - errno = %d - %s", errno, 81 strerror(errno)); 82 } 83 84 if (priority == new_prio) { 85 tst_resm(TPASS, "setpriority(%d) succeeded", new_prio); 86 } else { 87 tst_resm(TFAIL, 88 "current priority-%d and new priority-%d do not match", 89 priority, new_prio); 90 } 91 } 92 93 static void cleanup(void) 94 { 95 } 96
