Mercurial > minori
annotate dep/animia/src/fd/libutil.cc @ 215:031a257ee019
dep/animia: fd/proc: use std::filesystem, etc. changes
i.e. don't use std::stoi so we don't get exceptions...
| author | Paper <mrpapersonic@gmail.com> |
|---|---|
| date | Sun, 07 Jan 2024 11:44:40 -0500 |
| parents | bc1ae1810855 |
| children |
| rev | line source |
|---|---|
| 166 | 1 /* This file uses the FreeBSD-specific libprocstat |
| 2 */ | |
| 3 | |
| 4 #include "animia/fd/libutil.h" | |
| 5 #include "animia/fd.h" | |
| 6 #include "animia.h" | |
| 7 | |
| 8 #include <sys/types.h> | |
| 9 #include <sys/sysctl.h> | |
| 10 #include <sys/user.h> | |
| 11 #include <libutil.h> | |
| 12 | |
| 13 #include <memory> | |
| 14 | |
| 15 namespace animia::internal::libutil { | |
| 16 | |
| 17 static bool IsSystemFile(const std::string& file) { | |
| 18 return (!file.find("/usr") || !file.find("/lib") || !file.find("/dev") || | |
| 19 !file.find("/proc")); | |
| 20 } | |
| 21 | |
|
198
bc1ae1810855
dep/animia: switch from using classes to global functions
Paper <mrpapersonic@gmail.com>
parents:
166
diff
changeset
|
22 bool EnumerateOpenProcesses(process_proc_t process_proc) { |
| 166 | 23 static const int mib[] = {CTL_KERN, KERN_PROC, KERN_PROC_ALL, 0}; |
| 24 size_t length = 0; | |
| 25 | |
| 26 sysctl((int*)mib, (sizeof(mib) / sizeof(*mib)) - 1, NULL, &length, NULL, 0); | |
| 27 | |
| 28 std::unique_ptr<struct kinfo_proc[]> result; | |
| 29 result.reset(new struct kinfo_proc[length]); | |
| 30 | |
| 31 if (!result.get()) | |
| 32 return false; | |
| 33 | |
| 34 /* actually get our results */ | |
| 35 if (sysctl((const int*)mib, (sizeof(mib) / sizeof(*mib)) - 1, result.get(), &length, NULL, 0) == ENOMEM) { | |
| 36 result.reset(); | |
| 37 throw std::bad_alloc(); | |
| 38 } | |
| 39 | |
| 40 if (length < sizeof(struct kinfo_proc)) | |
| 41 return false; | |
| 42 | |
| 43 for (int i = 0; i < length / sizeof(result[0]); i++) | |
| 44 if (!process_proc({result[i].ki_pid, result[i].ki_comm})) | |
| 45 return false; | |
| 46 | |
| 47 return true; | |
| 48 } | |
| 49 | |
|
198
bc1ae1810855
dep/animia: switch from using classes to global functions
Paper <mrpapersonic@gmail.com>
parents:
166
diff
changeset
|
50 bool EnumerateOpenFiles(const std::set<pid_t>& pids, open_file_proc_t open_file_proc) { |
| 166 | 51 for (const auto& pid : pids) { |
| 52 int cnt; | |
| 53 std::unique_ptr<struct kinfo_file[]> files; | |
| 54 files.reset(kinfo_getfile(pid, &cnt)); | |
| 55 if (!files.get()) | |
| 56 return false; | |
| 57 | |
| 58 for (int i = 0; i < cnt; i++) { | |
| 59 const struct kinfo_file& current = files[i]; | |
| 60 if (current.kf_vnode_type != KF_VTYPE_VREG) | |
| 61 continue; | |
| 62 | |
| 63 if (!open_file_proc({pid, current.kf_path})) | |
| 64 return false; | |
| 65 } | |
| 66 } | |
| 67 | |
| 68 return true; | |
| 69 } | |
| 70 | |
|
198
bc1ae1810855
dep/animia: switch from using classes to global functions
Paper <mrpapersonic@gmail.com>
parents:
166
diff
changeset
|
71 } |