1*c54f35caSApple OSS Distributions #include <dispatch/dispatch.h>
2*c54f35caSApple OSS Distributions #include <mach-o/dyld.h>
3*c54f35caSApple OSS Distributions #include <signal.h>
4*c54f35caSApple OSS Distributions #include <sys/kern_sysctl.h>
5*c54f35caSApple OSS Distributions #include <sys/sysctl.h>
6*c54f35caSApple OSS Distributions #include <sys/kern_memorystatus.h>
7*c54f35caSApple OSS Distributions
8*c54f35caSApple OSS Distributions #include <darwintest.h>
9*c54f35caSApple OSS Distributions #include <darwintest_utils.h>
10*c54f35caSApple OSS Distributions
11*c54f35caSApple OSS Distributions #include "test_utils.h"
12*c54f35caSApple OSS Distributions
13*c54f35caSApple OSS Distributions bool
is_development_kernel()14*c54f35caSApple OSS Distributions is_development_kernel()
15*c54f35caSApple OSS Distributions {
16*c54f35caSApple OSS Distributions static dispatch_once_t is_development_once;
17*c54f35caSApple OSS Distributions static bool is_development;
18*c54f35caSApple OSS Distributions
19*c54f35caSApple OSS Distributions dispatch_once(&is_development_once, ^{
20*c54f35caSApple OSS Distributions int dev;
21*c54f35caSApple OSS Distributions size_t dev_size = sizeof(dev);
22*c54f35caSApple OSS Distributions
23*c54f35caSApple OSS Distributions T_QUIET;
24*c54f35caSApple OSS Distributions T_ASSERT_POSIX_SUCCESS(sysctlbyname("kern.development", &dev,
25*c54f35caSApple OSS Distributions &dev_size, NULL, 0), NULL);
26*c54f35caSApple OSS Distributions is_development = (dev != 0);
27*c54f35caSApple OSS Distributions });
28*c54f35caSApple OSS Distributions
29*c54f35caSApple OSS Distributions return is_development;
30*c54f35caSApple OSS Distributions }
31*c54f35caSApple OSS Distributions
32*c54f35caSApple OSS Distributions pid_t
launch_background_helper(const char * variant,bool start_suspended,bool memorystatus_managed)33*c54f35caSApple OSS Distributions launch_background_helper(
34*c54f35caSApple OSS Distributions const char* variant,
35*c54f35caSApple OSS Distributions bool start_suspended,
36*c54f35caSApple OSS Distributions bool memorystatus_managed)
37*c54f35caSApple OSS Distributions {
38*c54f35caSApple OSS Distributions pid_t pid;
39*c54f35caSApple OSS Distributions char **launch_tool_args;
40*c54f35caSApple OSS Distributions char testpath[PATH_MAX];
41*c54f35caSApple OSS Distributions char *variant_cpy = strdup(variant);
42*c54f35caSApple OSS Distributions uint32_t testpath_buf_size;
43*c54f35caSApple OSS Distributions int ret;
44*c54f35caSApple OSS Distributions
45*c54f35caSApple OSS Distributions testpath_buf_size = sizeof(testpath);
46*c54f35caSApple OSS Distributions ret = _NSGetExecutablePath(testpath, &testpath_buf_size);
47*c54f35caSApple OSS Distributions launch_tool_args = (char *[]){
48*c54f35caSApple OSS Distributions testpath,
49*c54f35caSApple OSS Distributions "-n",
50*c54f35caSApple OSS Distributions variant_cpy,
51*c54f35caSApple OSS Distributions NULL
52*c54f35caSApple OSS Distributions };
53*c54f35caSApple OSS Distributions ret = dt_launch_tool(&pid, launch_tool_args, start_suspended, NULL, NULL);
54*c54f35caSApple OSS Distributions if (ret != 0) {
55*c54f35caSApple OSS Distributions T_LOG("dt_launch tool returned %d with error code %d", ret, errno);
56*c54f35caSApple OSS Distributions }
57*c54f35caSApple OSS Distributions T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "dt_launch_tool");
58*c54f35caSApple OSS Distributions if (memorystatus_managed) {
59*c54f35caSApple OSS Distributions set_process_memorystatus_managed(pid);
60*c54f35caSApple OSS Distributions }
61*c54f35caSApple OSS Distributions free(variant_cpy);
62*c54f35caSApple OSS Distributions return pid;
63*c54f35caSApple OSS Distributions }
64*c54f35caSApple OSS Distributions
65*c54f35caSApple OSS Distributions void
set_process_memorystatus_managed(pid_t pid)66*c54f35caSApple OSS Distributions set_process_memorystatus_managed(pid_t pid)
67*c54f35caSApple OSS Distributions {
68*c54f35caSApple OSS Distributions kern_return_t ret = memorystatus_control(MEMORYSTATUS_CMD_SET_PROCESS_IS_MANAGED, pid, 1, NULL, 0);
69*c54f35caSApple OSS Distributions T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "memorystatus_control");
70*c54f35caSApple OSS Distributions }
71