1*0f4c859eSApple OSS Distributions #include <dispatch/dispatch.h>
2*0f4c859eSApple OSS Distributions #include <mach-o/dyld.h>
3*0f4c859eSApple OSS Distributions #include <signal.h>
4*0f4c859eSApple OSS Distributions #include <sys/kern_sysctl.h>
5*0f4c859eSApple OSS Distributions #include <sys/sysctl.h>
6*0f4c859eSApple OSS Distributions #include <sys/kern_memorystatus.h>
7*0f4c859eSApple OSS Distributions
8*0f4c859eSApple OSS Distributions #include <darwintest.h>
9*0f4c859eSApple OSS Distributions #include <darwintest_utils.h>
10*0f4c859eSApple OSS Distributions
11*0f4c859eSApple OSS Distributions #include "test_utils.h"
12*0f4c859eSApple OSS Distributions
13*0f4c859eSApple OSS Distributions bool
is_development_kernel(void)14*0f4c859eSApple OSS Distributions is_development_kernel(void)
15*0f4c859eSApple OSS Distributions {
16*0f4c859eSApple OSS Distributions static dispatch_once_t is_development_once;
17*0f4c859eSApple OSS Distributions static bool is_development;
18*0f4c859eSApple OSS Distributions
19*0f4c859eSApple OSS Distributions dispatch_once(&is_development_once, ^{
20*0f4c859eSApple OSS Distributions int dev;
21*0f4c859eSApple OSS Distributions size_t dev_size = sizeof(dev);
22*0f4c859eSApple OSS Distributions
23*0f4c859eSApple OSS Distributions T_QUIET;
24*0f4c859eSApple OSS Distributions T_ASSERT_POSIX_SUCCESS(sysctlbyname("kern.development", &dev,
25*0f4c859eSApple OSS Distributions &dev_size, NULL, 0), NULL);
26*0f4c859eSApple OSS Distributions is_development = (dev != 0);
27*0f4c859eSApple OSS Distributions });
28*0f4c859eSApple OSS Distributions
29*0f4c859eSApple OSS Distributions return is_development;
30*0f4c859eSApple OSS Distributions }
31*0f4c859eSApple OSS Distributions
32*0f4c859eSApple OSS Distributions pid_t
launch_background_helper(const char * variant,bool start_suspended,bool memorystatus_managed)33*0f4c859eSApple OSS Distributions launch_background_helper(
34*0f4c859eSApple OSS Distributions const char* variant,
35*0f4c859eSApple OSS Distributions bool start_suspended,
36*0f4c859eSApple OSS Distributions bool memorystatus_managed)
37*0f4c859eSApple OSS Distributions {
38*0f4c859eSApple OSS Distributions pid_t pid;
39*0f4c859eSApple OSS Distributions char **launch_tool_args;
40*0f4c859eSApple OSS Distributions char testpath[PATH_MAX];
41*0f4c859eSApple OSS Distributions char *variant_cpy = strdup(variant);
42*0f4c859eSApple OSS Distributions uint32_t testpath_buf_size;
43*0f4c859eSApple OSS Distributions int ret;
44*0f4c859eSApple OSS Distributions
45*0f4c859eSApple OSS Distributions testpath_buf_size = sizeof(testpath);
46*0f4c859eSApple OSS Distributions ret = _NSGetExecutablePath(testpath, &testpath_buf_size);
47*0f4c859eSApple OSS Distributions launch_tool_args = (char *[]){
48*0f4c859eSApple OSS Distributions testpath,
49*0f4c859eSApple OSS Distributions "-n",
50*0f4c859eSApple OSS Distributions variant_cpy,
51*0f4c859eSApple OSS Distributions NULL
52*0f4c859eSApple OSS Distributions };
53*0f4c859eSApple OSS Distributions ret = dt_launch_tool(&pid, launch_tool_args, start_suspended, NULL, NULL);
54*0f4c859eSApple OSS Distributions if (ret != 0) {
55*0f4c859eSApple OSS Distributions T_LOG("dt_launch tool returned %d with error code %d", ret, errno);
56*0f4c859eSApple OSS Distributions }
57*0f4c859eSApple OSS Distributions T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "dt_launch_tool");
58*0f4c859eSApple OSS Distributions if (memorystatus_managed) {
59*0f4c859eSApple OSS Distributions set_process_memorystatus_managed(pid);
60*0f4c859eSApple OSS Distributions }
61*0f4c859eSApple OSS Distributions free(variant_cpy);
62*0f4c859eSApple OSS Distributions return pid;
63*0f4c859eSApple OSS Distributions }
64*0f4c859eSApple OSS Distributions
65*0f4c859eSApple OSS Distributions void
set_process_memorystatus_managed(pid_t pid)66*0f4c859eSApple OSS Distributions set_process_memorystatus_managed(pid_t pid)
67*0f4c859eSApple OSS Distributions {
68*0f4c859eSApple OSS Distributions kern_return_t ret = memorystatus_control(MEMORYSTATUS_CMD_SET_PROCESS_IS_MANAGED, pid, 1, NULL, 0);
69*0f4c859eSApple OSS Distributions T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "memorystatus_control");
70*0f4c859eSApple OSS Distributions }
71