1 /* $FreeBSD$ */
2
3 #include <sys/types.h>
4 #include <sys/event.h>
5 #include <sys/select.h>
6 #include <sys/wait.h>
7 #include <err.h>
8 #include <fcntl.h>
9 #include <mqueue.h>
10 #include <signal.h>
11 #include <stdio.h>
12 #include <stdlib.h>
13 #include <unistd.h>
14
15 #include "freebsd_test_suite/macros.h"
16
17 #define MQNAME "/mytstqueue5"
18 #define LOOPS 1000
19 #define PRIO 10
20
21 static void
sighandler(int sig __unused)22 sighandler(int sig __unused)
23 {
24 write(1, "timeout\n", 8);
25 _exit(1);
26 }
27
28 int
main(void)29 main(void)
30 {
31 int status;
32 struct mq_attr attr;
33 struct sigaction sa;
34 sigset_t set;
35 siginfo_t info;
36 mqd_t mq;
37 pid_t pid;
38
39 PLAIN_REQUIRE_KERNEL_MODULE("mqueuefs", 0);
40
41 mq_unlink(MQNAME);
42
43 sigemptyset(&set);
44 sigaddset(&set, SIGRTMIN);
45 sigprocmask(SIG_BLOCK, &set, NULL);
46 sigemptyset(&sa.sa_mask);
47 sa.sa_flags = SA_SIGINFO;
48 sa.sa_sigaction = (void *) SIG_DFL;
49 sigaction(SIGRTMIN, &sa, NULL);
50
51 attr.mq_maxmsg = 5;
52 attr.mq_msgsize = 128;
53 mq = mq_open(MQNAME, O_CREAT | O_RDWR | O_EXCL, 0666, &attr);
54 if (mq == (mqd_t)-1)
55 err(1, "mq_open()");
56 status = mq_getattr(mq, &attr);
57 if (status)
58 err(1, "mq_getattr()");
59 pid = fork();
60 if (pid == 0) { /* child */
61 int prio, j, i;
62 char *buf;
63 struct sigevent sigev;
64
65 signal(SIGALRM, sighandler);
66
67 sigev.sigev_notify = SIGEV_SIGNAL;
68 sigev.sigev_signo = SIGRTMIN;
69 sigev.sigev_value.sival_int = 2;
70
71 mq_close(mq);
72 mq = mq_open(MQNAME, O_RDWR | O_NONBLOCK);
73 if (mq == (mqd_t)-1)
74 err(1, "child: mq_open");
75 buf = malloc(attr.mq_msgsize);
76 for (j = 0; j < LOOPS; ++j) {
77 alarm(3);
78 status = mq_notify(mq, &sigev);
79 if (status)
80 err(1, "child: mq_notify");
81 status = sigwaitinfo(&set, &info);
82 if (status == -1)
83 err(1, "child: sigwaitinfo");
84 if (info.si_value.sival_int != 2)
85 err(1, "child: sival_int");
86 status = mq_receive(mq, buf, attr.mq_msgsize, &prio);
87 if (status == -1)
88 err(2, "child: mq_receive");
89 for (i = 0; i < attr.mq_msgsize; ++i)
90 if (buf[i] != i)
91 err(3, "child: message data corrupted");
92 if (prio != PRIO)
93 err(4, "child: priority is incorrect: %d",
94 prio);
95 }
96 alarm(0);
97 free(buf);
98 mq_close(mq);
99 return (0);
100 } else if (pid == -1) {
101 err(1, "fork()");
102 } else {
103 char *buf;
104 int i, j;
105
106 signal(SIGALRM, sighandler);
107 buf = malloc(attr.mq_msgsize);
108 for (j = 0; j < LOOPS; ++j) {
109 for (i = 0; i < attr.mq_msgsize; ++i) {
110 buf[i] = i;
111 }
112 alarm(3);
113 status = mq_send(mq, buf, attr.mq_msgsize, PRIO);
114 if (status) {
115 kill(pid, SIGKILL);
116 err(2, "mq_send()");
117 }
118 }
119 alarm(3);
120 wait(&status);
121 alarm(0);
122 }
123 status = mq_close(mq);
124 if (status)
125 err(1, "mq_close");
126 mq_unlink(MQNAME);
127 return (0);
128 }
129