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fix(libkernel): resolve kern.proc.proc by name #14591

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Merged
oneandonlydean merged 1 commit into from
Nov 2, 2026
+22 −0
Merged

fix(libkernel): resolve kern.proc.proc by name #14591

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5 changes: 5 additions & 0 deletions core/libs/prx/libkernel/System/src/SystemConfiguration.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -601,6 +601,10 @@ int APS5_VABI sysctlbyname_nid_postfix(const char* name, void* oldValue, std::si
static constexpr int mib[] = {1, 14, 12};
return sysctl_nid_postfix(mib, 3, oldValue, oldLength, newValue, newLength);
}
if (std::strcmp(name, "kern.proc.proc") == 0) {
static constexpr int mib[] = {1, 14, 8};
return sysctl_nid_postfix(mib, 3, oldValue, oldLength, newValue, newLength);
}
if (std::strcmp(name, "kern.boottime") == 0) {
static constexpr int mib[] = {1, 21};
return sysctl_nid_postfix(mib, 2, oldValue, oldLength, newValue, newLength);
Expand Down Expand Up @@ -803,6 +807,7 @@ int APS5_VABI sysctlnametomib_nid_postfix(const char* name, int* mib, std::size_
{"kern.maxfilesperproc", {1, 27}, 2},
{"kern.maxproc", {1, 6}, 2},
{"kern.proc.pathname", {1, 14, 12}, 3},
{"kern.proc.proc", {1, 14, 8}, 3},
{"kern.ps_strings", {1, 32}, 2},
{"kern.rng_pseudo", {1, 50}, 2},
{"vm.loadavg", {2, 2}, 2},
Expand Down
17 changes: 17 additions & 0 deletions core/libs/tests/GuestSystemConfiguration.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -352,11 +352,20 @@ static void CheckProcessListSysctl() {
const int mib[] = {1, 14, 8};
std::size_t length = 0;
Require(sysctl_nid_postfix(mib, 3, nullptr, &length, nullptr, 0) == 0);
const std::size_t size = length;
*__error_nid_postfix() = 13;
length = 0;
Require(sysctlbyname_nid_postfix("kern.proc.proc", nullptr, &length, nullptr, 0) == 0 && length == size && *__error_nid_postfix() == 13);

unsigned char buffer[1100];
std::memset(buffer, 0xaa, sizeof(buffer));
length = sizeof(buffer);
Require(sysctl_nid_postfix(mib, 3, buffer, &length, nullptr, 0) == 0 && length == 1088);
unsigned char named[1100];
std::memset(named, 0xaa, sizeof(named));
length = sizeof(named);
Require(sysctlbyname_nid_postfix("kern.proc.proc", named, &length, nullptr, 0) == 0 && length == 1088 && *__error_nid_postfix() == 13);
Require(std::memcmp(named, buffer, sizeof(buffer)) == 0);
std::int32_t structSize = 0;
std::int32_t pid = 0;
std::memcpy(&structSize, buffer, sizeof(structSize));
Expand All @@ -377,6 +386,13 @@ static void CheckProcessListSysctl() {

length = sizeof(buffer);
Require(sysctl_nid_postfix(mib, 3, buffer, &length, buffer, sizeof(buffer)) == -1 && *__error_nid_postfix() == 1);

*__error_nid_postfix() = 13;
length = 100;
Require(sysctlbyname_nid_postfix("kern.proc.proc", buffer, &length, nullptr, 0) == -1 && *__error_nid_postfix() == 12 && length == 100);
*__error_nid_postfix() = 13;
length = sizeof(buffer);
Require(sysctlbyname_nid_postfix("kern.proc.proc", buffer, &length, buffer, sizeof(buffer)) == -1 && *__error_nid_postfix() == 1);
}
struct SystemString {
int mib[2];
Expand Down Expand Up @@ -970,6 +986,7 @@ static void CheckNameToMib() {
{"kern.boottime", {1, 21}, 2},
{"kern.rng_pseudo", {1, 50}, 2},
{"kern.proc.pathname", {1, 14, 12}, 3},
{"kern.proc.proc", {1, 14, 8}, 3},
};
*__error_nid_postfix() = 13;
for (const auto& entry : expected) {
Expand Down
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