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#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <sys/resource.h>
static struct
{
const char *name;
int resource;
bool required;
} tests[] =
{
/* The following 7 limits are part of POSIX and must exist. */
{ "RLIMIT_CORE", RLIMIT_CORE, true },
{ "RLIMIT_CPU", RLIMIT_CPU, true },
{ "RLIMIT_DATA", RLIMIT_DATA, true },
{ "RLIMIT_FSIZE", RLIMIT_FSIZE, true },
{ "RLIMIT_NOFILE", RLIMIT_NOFILE, true },
{ "RLIMIT_STACK", RLIMIT_STACK, true },
{ "RLIMIT_AS", RLIMIT_AS, true },
/* The following are traditional Unix limits which are also
expected (by us). */
{ "RLIMIT_RSS", RLIMIT_RSS, true },
{ "RLIMIT_NPROC", RLIMIT_NPROC, true },
/* The following are extensions. */
#ifdef RLIMIT_MEMLOCK
{ "RLIMIT_MEMLOCK", RLIMIT_MEMLOCK, false },
#endif
#ifdef RLIMIT_LOCKS
{ "RLIMIT_LOCKS", RLIMIT_LOCKS, false },
#endif
#ifdef RLIMIT_SIGPENDING
{ "RLIMIT_SIGPENDING", RLIMIT_SIGPENDING, false },
#endif
#ifdef RLIMIT_MSGQUEUE
{ "RLIMIT_MSGQUEUE", RLIMIT_MSGQUEUE, false },
#endif
#ifdef RLIMIT_NICE
{ "RLIMIT_NICE", RLIMIT_NICE, false },
#endif
#ifdef RLIMIT_RTPRIO
{ "RLIMIT_RTPRIO", RLIMIT_RTPRIO, false },
#endif
};
#define ntests (sizeof (tests) / sizeof (tests[0]))
static int
do_test (void)
{
int status = 0;
for (int i = 0; i < ntests; ++i)
{
bool this_ok = true;
struct rlimit r;
int res = getrlimit (tests[i].resource, &r);
if (res == -1)
{
if (errno == EINVAL)
{
if (tests[i].required)
{
printf ("limit %s expectedly not available for getrlimit\n",
tests[i].name);
status = 1;
this_ok = false;
}
}
else
{
printf ("getrlimit for %s returned unexpected error: %m\n",
tests[i].name);
status = 1;
this_ok = false;
}
}
struct rlimit64 r64;
res = getrlimit64 (tests[i].resource, &r64);
if (res == -1)
{
if (errno == EINVAL)
{
if (tests[i].required)
{
printf ("limit %s expectedly not available for getrlimit64"
"\n", tests[i].name);
status = 1;
this_ok = false;
}
}
else
{
printf ("getrlimit64 for %s returned unexpected error: %m\n",
tests[i].name);
status = 1;
this_ok = false;
}
}
if (this_ok)
printf ("limit %s OK\n", tests[i].name);
}
return status;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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