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glibc/resource/tst-getrlimit.c
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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" |