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#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <semaphore.h>
#include <mqueue.h>
#define myassert(x, emask) if ((x)) { ret &= ret; } else { ret |= emask; }
static volatile unsigned long long int ret = 0x0;
static mqd_t mq_test;
static mqd_t mq_recv;
static sem_t *sp_test;
static const size_t bufsiz = 256;
int main(int argc, char **argv)
{
int c_stat;
struct mq_attr m_attr;
char buf[bufsiz], recv[bufsiz];
unsigned int prio;
ssize_t sz_recv;
memset(buf, '\0', bufsiz);
memset(recv, '\0', bufsiz);
if (argc > 1)
strncpy(buf, argv[1], bufsiz-1);
m_attr.mq_flags = 0;
m_attr.mq_msgsize = bufsiz;
m_attr.mq_maxmsg = 10;
m_attr.mq_curmsgs = 0;
mq_unlink("/testmq");
myassert( (mq_test = mq_open( "/testmq", O_NONBLOCK | O_CREAT | O_EXCL | O_RDWR, S_IRWXU | S_IRWXG, &m_attr )) != (mqd_t)-1, 0x1 );
myassert( mq_getattr(mq_test, &m_attr) == 0, 0x2 );
strcpy(buf, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVQXYZ");
myassert( mq_send(mq_test, buf, bufsiz, 0) == 0, 0x4 );
myassert( (sz_recv = mq_receive(mq_test, recv, bufsiz, &prio)) > 0, 0x8 );
memset(recv, '\0', bufsiz);
if (fork() > 0) {
myassert( (mq_recv = mq_open( "/testmq", O_RDONLY, S_IRWXU | S_IRWXG, &m_attr )) != (mqd_t)-1, 0x10 );
myassert( (sz_recv = mq_receive(mq_recv, recv, bufsiz, &prio)) > 0, 0x20 );
return ret;
}
myassert( mq_send(mq_test, buf, bufsiz, 0) == 0, 0x40 );
wait(&c_stat);
myassert( c_stat == 0xFF, 0x80 );
myassert( mq_close(mq_test) == 0, 0x100 );
myassert( mq_unlink("/testmq") == 0, 0x200 );
myassert( sem_unlink("/testsem") == 0, 0x400 );
myassert( (sp_test = sem_open("/testsem", O_CREAT | O_EXCL, S_IRUSR | S_IWUSR, 0)), 0x800 );
myassert( sem_post(sp_test) == 0, 0x1000 );
myassert( sem_wait(sp_test) == 0, 0x1200 );
myassert( sem_close(sp_test) == 0, 0x1400 );
myassert( sem_unlink("/testsem") == 0, 0x1800 );
return ret;
}
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