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/* $NetBSD: t_mqueue.c,v 1.5 2017/01/10 22:10:22 christos Exp $ */
/*
* Test for POSIX message queue priority handling.
*
* This file is in the Public Domain.
*/
#ifdef __FreeBSD__
#include <sys/stat.h>
#include <fcntl.h>
#include "freebsd_test_suite/macros.h"
#endif
#include <atf-c.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <mqueue.h>
#define MQ_PRIO_BASE 24
static void
send_msgs(mqd_t mqfd)
{
char msg[2];
msg[1] = '\0';
msg[0] = 'a';
ATF_REQUIRE_MSG(mq_send(mqfd, msg, sizeof(msg), MQ_PRIO_BASE) != -1,
"mq_send 1 failed: %d", errno);
msg[0] = 'b';
ATF_REQUIRE_MSG(mq_send(mqfd, msg, sizeof(msg), MQ_PRIO_BASE + 1) != -1,
"mq_send 2 failed: %d", errno);
msg[0] = 'c';
ATF_REQUIRE_MSG(mq_send(mqfd, msg, sizeof(msg), MQ_PRIO_BASE) != -1,
"mq_send 3 failed: %d", errno);
msg[0] = 'd';
ATF_REQUIRE_MSG(mq_send(mqfd, msg, sizeof(msg), MQ_PRIO_BASE - 1) != -1,
"mq_send 4 failed: %d", errno);
msg[0] = 'e';
ATF_REQUIRE_MSG(mq_send(mqfd, msg, sizeof(msg), 0) != -1,
"mq_send 5 failed: %d", errno);
msg[0] = 'f';
ATF_REQUIRE_MSG(mq_send(mqfd, msg, sizeof(msg), MQ_PRIO_BASE + 1) != -1,
"mq_send 6 failed: %d", errno);
}
static void
receive_msgs(mqd_t mqfd)
{
struct mq_attr mqa;
char *m;
unsigned p;
int len;
ATF_REQUIRE_MSG(mq_getattr(mqfd, &mqa) != -1, "mq_getattr failed %d",
errno);
len = mqa.mq_msgsize;
m = calloc(1, len);
ATF_REQUIRE_MSG(m != NULL, "calloc failed");
ATF_REQUIRE_MSG(mq_receive(mqfd, m, len, &p) != -1,
"mq_receive 1 failed: %d", errno);
ATF_REQUIRE_MSG(p == (MQ_PRIO_BASE + 1) && m[0] == 'b',
"mq_receive 1 prio/data mismatch");
ATF_REQUIRE_MSG(mq_receive(mqfd, m, len, &p) != -1,
"mq_receive 2 failed: %d", errno);
ATF_REQUIRE_MSG(p == (MQ_PRIO_BASE + 1) && m[0] == 'f',
"mq_receive 2 prio/data mismatch");
ATF_REQUIRE_MSG(mq_receive(mqfd, m, len, &p) != -1,
"mq_receive 3 failed: %d", errno);
ATF_REQUIRE_MSG(p == MQ_PRIO_BASE && m[0] == 'a',
"mq_receive 3 prio/data mismatch");
ATF_REQUIRE_MSG(mq_receive(mqfd, m, len, &p) != -1,
"mq_receive 4 failed: %d", errno);
ATF_REQUIRE_MSG(p == MQ_PRIO_BASE && m[0] == 'c',
"mq_receive 4 prio/data mismatch");
ATF_REQUIRE_MSG(mq_receive(mqfd, m, len, &p) != -1,
"mq_receive 5 failed: %d", errno);
ATF_REQUIRE_MSG(p == (MQ_PRIO_BASE - 1) && m[0] == 'd',
"mq_receive 5 prio/data mismatch");
ATF_REQUIRE_MSG(mq_receive(mqfd, m, len, &p) != -1,
"mq_receive 6 failed: %d", errno);
ATF_REQUIRE_MSG(p == 0 && m[0] == 'e',
"mq_receive 6 prio/data mismatch");
}
ATF_TC(mqueue);
ATF_TC_HEAD(mqueue, tc)
{
atf_tc_set_md_var(tc, "timeout", "3");
atf_tc_set_md_var(tc, "descr", "Checks mqueue send/receive");
}
ATF_TC_BODY(mqueue, tc)
{
int status;
char *tmpdir;
char template[32];
char mq_name[64];
#ifdef __FreeBSD__
ATF_REQUIRE_KERNEL_MODULE("mqueuefs");
#endif
strlcpy(template, "./t_mqueue.XXXXXX", sizeof(template));
tmpdir = mkdtemp(template);
ATF_REQUIRE_MSG(tmpdir != NULL, "mkdtemp failed: %d", errno);
#ifdef __FreeBSD__
snprintf(mq_name, sizeof(mq_name), "/t_mqueue");
#else
snprintf(mq_name, sizeof(mq_name), "%s/mq", tmpdir);
#endif
mqd_t mqfd;
mqfd = mq_open(mq_name, O_RDWR | O_CREAT,
S_IRUSR | S_IRWXG | S_IROTH, NULL);
#ifdef __FreeBSD__
ATF_REQUIRE_MSG(mqfd != (mqd_t)-1, "mq_open failed: %d", errno);
#else
ATF_REQUIRE_MSG(mqfd != -1, "mq_open failed: %d", errno);
#endif
send_msgs(mqfd);
receive_msgs(mqfd);
status = mq_close(mqfd);
ATF_REQUIRE_MSG(status == 0, "mq_close failed: %d", errno);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, mqueue);
return atf_no_error();
}
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