120 lines
4.7 KiB
C++
120 lines
4.7 KiB
C++
#include "prx/libSceLibcInternal/include/Spawn.hpp"
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#include "prx/libc/include/General.hpp"
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#include <cstdint>
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#include <new>
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#include <stdexcept>
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#include <string>
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#include <utility>
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namespace {
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constexpr int BadDescriptor = 9;
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constexpr int OutOfMemory = 12;
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PosixSpawnAttributes& Attributes(PosixSpawnAttributes* const* attributes, const char* function) {
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if (attributes == nullptr || *attributes == nullptr) throw std::invalid_argument(std::string(function) + ": uninitialized attributes");
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return **attributes;
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}
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PosixSpawnFileActions& FileActions(PosixSpawnFileActions* const* actions, const char* function) {
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if (actions == nullptr || *actions == nullptr) throw std::invalid_argument(std::string(function) + ": uninitialized file actions");
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return **actions;
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}
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int Append(PosixSpawnFileActions& actions, PosixSpawnFileAction action) {
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try {
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actions.actions.push_back(std::move(action));
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} catch (const std::bad_alloc&) {
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return OutOfMemory;
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}
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return 0;
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}
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}
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extern "C" {
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int APS5_VABI posix_spawnattr_init_nid_postfix(PosixSpawnAttributes** attributes) {
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if (attributes == nullptr) throw std::invalid_argument("posix_spawnattr_init: null attributes");
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auto* created = new (std::nothrow) PosixSpawnAttributes{};
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if (created == nullptr) return OutOfMemory;
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*attributes = created;
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return 0;
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}
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int APS5_VABI posix_spawnattr_destroy_nid_postfix(PosixSpawnAttributes** attributes) {
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if (attributes == nullptr) throw std::invalid_argument("posix_spawnattr_destroy: null attributes");
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delete *attributes;
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return 0;
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}
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int APS5_VABI posix_spawnattr_setflags_nid_postfix(PosixSpawnAttributes** attributes, std::int16_t flags) {
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Attributes(attributes, "posix_spawnattr_setflags").flags = flags;
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return 0;
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}
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int APS5_VABI posix_spawnattr_setsigdefault_nid_postfix(PosixSpawnAttributes** attributes, const GuestSignalSet* signalDefault) {
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auto& target = Attributes(attributes, "posix_spawnattr_setsigdefault");
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if (signalDefault == nullptr) throw std::invalid_argument("posix_spawnattr_setsigdefault: null signal set");
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target.signalDefault = *signalDefault;
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return 0;
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}
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int APS5_VABI posix_spawn_file_actions_init_nid_postfix(PosixSpawnFileActions** actions) {
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if (actions == nullptr) throw std::invalid_argument("posix_spawn_file_actions_init: null file actions");
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auto* created = new (std::nothrow) PosixSpawnFileActions{};
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if (created == nullptr) return -1;
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*actions = created;
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return 0;
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}
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int APS5_VABI posix_spawn_file_actions_destroy_nid_postfix(PosixSpawnFileActions** actions) {
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delete &FileActions(actions, "posix_spawn_file_actions_destroy");
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return 0;
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}
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int APS5_VABI posix_spawn_file_actions_addopen_nid_postfix(PosixSpawnFileActions** actions, int descriptor, const char* path, int openFlags, std::uint16_t mode) {
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if (descriptor < 0) return BadDescriptor;
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if (path == nullptr) throw std::invalid_argument("posix_spawn_file_actions_addopen: null path");
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auto& target = FileActions(actions, "posix_spawn_file_actions_addopen");
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try {
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return Append(target, {PosixSpawnFileActionKind::Open, descriptor, path, openFlags, mode, 0});
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} catch (const std::bad_alloc&) {
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return OutOfMemory;
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}
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}
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int APS5_VABI posix_spawn_file_actions_adddup2_nid_postfix(PosixSpawnFileActions** actions, int descriptor, int newDescriptor) {
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if (descriptor < 0 || newDescriptor < 0) return BadDescriptor;
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return Append(FileActions(actions, "posix_spawn_file_actions_adddup2"), {PosixSpawnFileActionKind::Duplicate, descriptor, {}, 0, 0, newDescriptor});
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}
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int APS5_VABI posix_spawn_file_actions_addclose_nid_postfix(PosixSpawnFileActions** actions, int descriptor) {
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if (descriptor < 0) return BadDescriptor;
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return Append(FileActions(actions, "posix_spawn_file_actions_addclose"), {PosixSpawnFileActionKind::Close, descriptor, {}, 0, 0, 0});
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}
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int APS5_VABI posix_spawn_nid_postfix(std::int32_t* processId, const char* path, PosixSpawnFileActions* const* actions, PosixSpawnAttributes* const* attributes, char* const* arguments, char* const* environment) {
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(void)processId;
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(void)path;
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(void)actions;
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(void)attributes;
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(void)arguments;
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(void)environment;
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NotImplemented_nid_no_patch("posix_spawn: process creation");
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return -1;
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}
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int APS5_VABI posix_spawnp_nid_postfix(std::int32_t* processId, const char* file, PosixSpawnFileActions* const* actions, PosixSpawnAttributes* const* attributes, char* const* arguments, char* const* environment) {
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(void)processId;
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(void)file;
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(void)actions;
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(void)attributes;
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(void)arguments;
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(void)environment;
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NotImplemented_nid_no_patch("posix_spawnp: process creation");
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return -1;
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}
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}
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