1 /******************************************************************************/ 2 /* Copyright (c) Crackerjack Project., 2007 */ 3 /* */ 4 /* This program is free software; you can redistribute it and/or modify */ 5 /* it under the terms of the GNU General Public License as published by */ 6 /* the Free Software Foundation; either version 2 of the License, or */ 7 /* (at your option) any later version. */ 8 /* */ 9 /* This program is distributed in the hope that it will be useful, */ 10 /* but WITHOUT ANY WARRANTY; without even the implied warranty of */ 11 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See */ 12 /* the GNU General Public License for more details. */ 13 /* */ 14 /* You should have received a copy of the GNU General Public License */ 15 /* along with this program; if not, write to the Free Software Foundation, */ 16 /* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ 17 /* */ 18 /* History: Porting from Crackerjack to LTP is done by */ 19 /* Manas Kumar Nayak maknayak (at) in.ibm.com> */ 20 /******************************************************************************/ 21 22 /******************************************************************************/ 23 /* Description: This tests the rt_sigsuspend() syscall. */ 24 /******************************************************************************/ 25 26 #include <stdio.h> 27 #include <signal.h> 28 #include <errno.h> 29 30 #include "test.h" 31 #include "linux_syscall_numbers.h" 32 #include "lapi/rt_sigaction.h" 33 34 char *TCID = "rt_sigsuspend01"; 35 int TST_TOTAL = 1; 36 37 static void cleanup(void) 38 { 39 tst_rmdir(); 40 } 41 42 static void setup(void) 43 { 44 TEST_PAUSE; 45 tst_tmpdir(); 46 } 47 48 static void sig_handler(int sig) 49 { 50 } 51 52 int main(int ac, char **av) 53 { 54 sigset_t set, set1, set2; 55 int lc; 56 57 tst_parse_opts(ac, av, NULL, NULL); 58 59 setup(); 60 61 for (lc = 0; TEST_LOOPING(lc); ++lc) { 62 63 tst_count = 0; 64 65 if (sigemptyset(&set) < 0) 66 tst_brkm(TFAIL | TERRNO, cleanup, "sigemptyset failed"); 67 struct sigaction act, oact; 68 memset(&act, 0, sizeof(act)); 69 memset(&oact, 0, sizeof(oact)); 70 act.sa_handler = sig_handler; 71 72 TEST(ltp_rt_sigaction(SIGALRM, &act, &oact, SIGSETSIZE)); 73 if (TEST_RETURN == -1) 74 tst_brkm(TFAIL | TTERRNO, cleanup, 75 "rt_sigaction failed"); 76 77 TEST(ltp_syscall(__NR_rt_sigprocmask, SIG_UNBLOCK, 0, 78 &set1, SIGSETSIZE)); 79 if (TEST_RETURN == -1) 80 tst_brkm(TFAIL | TTERRNO, cleanup, 81 "rt_sigprocmask failed"); 82 83 TEST(alarm(5)); 84 int result; 85 TEST(result = ltp_syscall(__NR_rt_sigsuspend, &set, 86 SIGSETSIZE)); 87 TEST(alarm(0)); 88 if (result == -1 && TEST_ERRNO != EINTR) { 89 TEST(ltp_syscall(__NR_rt_sigprocmask, SIG_UNBLOCK, 0, 90 &set2, SIGSETSIZE)); 91 if (TEST_RETURN == -1) { 92 tst_brkm(TFAIL | TTERRNO, cleanup, 93 "rt_sigprocmask failed"); 94 } else if (set1.__val[0] != set2.__val[0]) { 95 tst_brkm(TFAIL | TTERRNO, cleanup, 96 "rt_sigsuspend failed to " 97 "preserve signal mask"); 98 } else { 99 tst_resm(TPASS, "rt_sigsuspend PASSED"); 100 } 101 } else { 102 tst_resm(TFAIL | TTERRNO, "rt_sigsuspend failed"); 103 } 104 105 } 106 107 cleanup(); 108 109 tst_exit(); 110 } 111
