1*aca3beaaSApple OSS Distributions #include <dispatch/dispatch.h>
2*aca3beaaSApple OSS Distributions #include <mach-o/dyld.h>
3*aca3beaaSApple OSS Distributions #include <signal.h>
4*aca3beaaSApple OSS Distributions #include <sys/kern_sysctl.h>
5*aca3beaaSApple OSS Distributions #include <sys/sysctl.h>
6*aca3beaaSApple OSS Distributions #include <sys/kern_memorystatus.h>
7*aca3beaaSApple OSS Distributions
8*aca3beaaSApple OSS Distributions #include <darwintest.h>
9*aca3beaaSApple OSS Distributions #include <darwintest_utils.h>
10*aca3beaaSApple OSS Distributions
11*aca3beaaSApple OSS Distributions #include "test_utils.h"
12*aca3beaaSApple OSS Distributions
13*aca3beaaSApple OSS Distributions bool
is_development_kernel()14*aca3beaaSApple OSS Distributions is_development_kernel()
15*aca3beaaSApple OSS Distributions {
16*aca3beaaSApple OSS Distributions static dispatch_once_t is_development_once;
17*aca3beaaSApple OSS Distributions static bool is_development;
18*aca3beaaSApple OSS Distributions
19*aca3beaaSApple OSS Distributions dispatch_once(&is_development_once, ^{
20*aca3beaaSApple OSS Distributions int dev;
21*aca3beaaSApple OSS Distributions size_t dev_size = sizeof(dev);
22*aca3beaaSApple OSS Distributions
23*aca3beaaSApple OSS Distributions T_QUIET;
24*aca3beaaSApple OSS Distributions T_ASSERT_POSIX_SUCCESS(sysctlbyname("kern.development", &dev,
25*aca3beaaSApple OSS Distributions &dev_size, NULL, 0), NULL);
26*aca3beaaSApple OSS Distributions is_development = (dev != 0);
27*aca3beaaSApple OSS Distributions });
28*aca3beaaSApple OSS Distributions
29*aca3beaaSApple OSS Distributions return is_development;
30*aca3beaaSApple OSS Distributions }
31*aca3beaaSApple OSS Distributions
32*aca3beaaSApple OSS Distributions pid_t
launch_background_helper(const char * variant,bool start_suspended,bool memorystatus_managed)33*aca3beaaSApple OSS Distributions launch_background_helper(
34*aca3beaaSApple OSS Distributions const char* variant,
35*aca3beaaSApple OSS Distributions bool start_suspended,
36*aca3beaaSApple OSS Distributions bool memorystatus_managed)
37*aca3beaaSApple OSS Distributions {
38*aca3beaaSApple OSS Distributions pid_t pid;
39*aca3beaaSApple OSS Distributions char **launch_tool_args;
40*aca3beaaSApple OSS Distributions char testpath[PATH_MAX];
41*aca3beaaSApple OSS Distributions char *variant_cpy = strdup(variant);
42*aca3beaaSApple OSS Distributions uint32_t testpath_buf_size;
43*aca3beaaSApple OSS Distributions int ret;
44*aca3beaaSApple OSS Distributions
45*aca3beaaSApple OSS Distributions testpath_buf_size = sizeof(testpath);
46*aca3beaaSApple OSS Distributions ret = _NSGetExecutablePath(testpath, &testpath_buf_size);
47*aca3beaaSApple OSS Distributions launch_tool_args = (char *[]){
48*aca3beaaSApple OSS Distributions testpath,
49*aca3beaaSApple OSS Distributions "-n",
50*aca3beaaSApple OSS Distributions variant_cpy,
51*aca3beaaSApple OSS Distributions NULL
52*aca3beaaSApple OSS Distributions };
53*aca3beaaSApple OSS Distributions ret = dt_launch_tool(&pid, launch_tool_args, start_suspended, NULL, NULL);
54*aca3beaaSApple OSS Distributions if (ret != 0) {
55*aca3beaaSApple OSS Distributions T_LOG("dt_launch tool returned %d with error code %d", ret, errno);
56*aca3beaaSApple OSS Distributions }
57*aca3beaaSApple OSS Distributions T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "dt_launch_tool");
58*aca3beaaSApple OSS Distributions if (memorystatus_managed) {
59*aca3beaaSApple OSS Distributions set_process_memorystatus_managed(pid);
60*aca3beaaSApple OSS Distributions }
61*aca3beaaSApple OSS Distributions free(variant_cpy);
62*aca3beaaSApple OSS Distributions return pid;
63*aca3beaaSApple OSS Distributions }
64*aca3beaaSApple OSS Distributions
65*aca3beaaSApple OSS Distributions void
set_process_memorystatus_managed(pid_t pid)66*aca3beaaSApple OSS Distributions set_process_memorystatus_managed(pid_t pid)
67*aca3beaaSApple OSS Distributions {
68*aca3beaaSApple OSS Distributions kern_return_t ret = memorystatus_control(MEMORYSTATUS_CMD_SET_PROCESS_IS_MANAGED, pid, 1, NULL, 0);
69*aca3beaaSApple OSS Distributions T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "memorystatus_control");
70*aca3beaaSApple OSS Distributions }
71