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#include <test.h>
#include <compiler.h>
#include <process_lib.h>
#include <process_unix_priv.h>
/*
* procfs.h is not 64-bit off_t clean, but the only affected structure is
* priovec, which we don't use. Hence we may work around #error in sys/procfs.h
* by lying that we are not compiling with large file support (while we do).
*/
#define _FILE_OFFSET_BITS 32
#include <procfs.h>
int open(const char *filename, int flags, ...)
{
if (!strcmp(filename, "/proc/1/psinfo"))
{
return 1;
}
if (!strcmp(filename, "/proc/1/status"))
{
return 101;
}
if (!strcmp(filename, "/proc/2/status"))
{
return 102;
}
if (!strcmp(filename, "/proc/3/status"))
{
return 103;
}
errno = ENOENT;
return -1;
}
int fdpos[4];
ssize_t read(int fd, void *buf, size_t bufsize)
{
if (fd == 1)
{
if (fdpos[0] == 0)
{
psinfo_t psinfo;
psinfo.pr_start.tv_sec = 100;
memcpy(buf, &psinfo, sizeof(psinfo));
fdpos[0] = sizeof(psinfo);
return sizeof(psinfo);
}
else
{
return 0;
}
}
if (fd == 101)
{
if (fdpos[1] == 0)
{
pstatus_t pstatus;
pstatus.pr_nlwp = 1;
pstatus.pr_lwp.pr_flags = PR_STOPPED;
pstatus.pr_lwp.pr_why = PR_SIGNALLED;
memcpy(buf, &pstatus, sizeof(pstatus));
fdpos[1] = sizeof(pstatus);
return sizeof(pstatus);
}
else
{
return 0;
}
}
if (fd == 102)
{
if (fdpos[2] == 0)
{
pstatus_t pstatus;
pstatus.pr_nlwp = 1;
pstatus.pr_lwp.pr_flags = 0;
pstatus.pr_lwp.pr_why = 0;
memcpy(buf, &pstatus, sizeof(pstatus));
fdpos[2] = sizeof(pstatus);
return sizeof(pstatus);
}
else
{
return 0;
}
}
if (fd == 103)
{
if (fdpos[3] == 0)
{
/* Currently this is unused, the test is switched off. */
pstatus_t pstatus;
pstatus.pr_nlwp = 0; /* zombie */
memcpy(buf, &pstatus, sizeof(pstatus));
fdpos[3] = sizeof(pstatus);
return sizeof(pstatus);
}
else
{
return 0;
}
}
errno = EIO;
return -1;
}
int close(int fd)
{
return 0;
}
static void test_get_start_time_process1(void)
{
time_t t = GetProcessStartTime(1);
assert_int_equal(t, 100);
}
static void test_get_start_time_process2(void)
{
time_t t = GetProcessStartTime(2);
assert_int_equal(t, PROCESS_START_TIME_UNKNOWN);
}
static void test_get_state_process1(void)
{
ProcessState s = GetProcessState(1);
assert_int_equal(s, PROCESS_STATE_STOPPED);
}
static void test_get_state_process2(void)
{
ProcessState s = GetProcessState(2);
assert_int_equal(s, PROCESS_STATE_RUNNING);
}
static void test_get_state_process3(void)
{
ProcessState s = GetProcessState(3);
assert_int_equal(s, PROCESS_STATE_ZOMBIE);
}
static void test_get_state_process4(void)
{
ProcessState s = GetProcessState(4);
assert_int_equal(s, PROCESS_STATE_DOES_NOT_EXIST);
}
int main()
{
PRINT_TEST_BANNER();
const UnitTest tests[] =
{
unit_test(test_get_start_time_process1),
unit_test(test_get_start_time_process2),
unit_test(test_get_state_process1),
unit_test(test_get_state_process2),
/* TODO zombie process unit test for solaris is not currently working
* because of the huge amount of hacks needed to actually figure out
* if a process is zombie, see libpromises/process_solaris.c. */
// unit_test(test_get_state_process3),
};
return run_tests(tests);
}
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