Merge remote-tracking branch 'github/main'
commit
b2534baaf0
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@ -210,6 +210,8 @@ namespace blt
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void deallocate(pointer p, size_t n) noexcept
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{
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if (p == nullptr)
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return;
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// for (size_t i = 0; i < n; i++)
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// p[i].~T();
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for (auto*& blk : blocks)
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@ -231,6 +233,7 @@ namespace blt
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template<class U>
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inline void destroy(U* p)
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{
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if (p != nullptr)
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p->~U();
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}
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|
|
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@ -7,24 +7,47 @@
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#ifndef BLT_ASSERT_H
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#define BLT_ASSERT_H
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#include <cstdlib>
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namespace blt
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{
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void printStacktrace(char** messages, int size, const char* path, int line);
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void b_assert_failed(const char* expression, const char* path, int line);
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void b_assert_failed(const char* expression, const char* msg, const char* path, int line);
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void b_throw(const char* what, const char* path, int line);
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}
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// prints error with stack trace if assertion fails. Does not stop execution.
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#define blt_assert(expr) do {static_cast<bool>(expr) ? void(0) : blt::b_assert_failed(#expr, __FILE__, __LINE__) } while (0)
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// prints error with stack trace then exits with failure.
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/**
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* Prints error with stack trace if assertion fails. Does not stop execution.
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*/
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#define blt_assert(expr) do {static_cast<bool>(expr) ? void(0) : blt::b_assert_failed(#expr, nullptr, __FILE__, __LINE__) } while (0)
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/**
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* Prints error with stack trace if assertion fails. Will print fail_message after
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* the assertion expression but before the stack trace. Does not stop execution.
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*/
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#define blt_assert_msg(expr, fail_message) do {static_cast<bool>(expr) ? void(0) : blt::b_assert_failed(#expr, fail_message, __FILE__, __LINE__) } while (0)
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/**
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* Prints error with stack trace then exits with failure.
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*/
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#define BLT_ASSERT(expr) do { \
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if (!static_cast<bool>(expr)) { \
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blt::b_assert_failed(#expr, __FILE__, __LINE__); \
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blt::b_assert_failed(#expr, nullptr, __FILE__, __LINE__); \
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std::exit(EXIT_FAILURE); \
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} \
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} while (0)
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/**
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* Prints the error with stack trace if the assertion fails and stops execution with EXIT_FAILURE. Will print fail_message after
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* the assertion expression but before the stack trace.
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*/
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#define BLT_ASSERT_MSG(expr, fail_message) do { \
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if (!static_cast<bool>(expr)) { \
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blt::b_assert_failed(#expr, fail_message, __FILE__, __LINE__); \
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std::exit(EXIT_FAILURE); \
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} \
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} while (0)
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// prints as error but does not throw the exception.
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#define blt_throw(throwable) do {blt::b_throw(throwable.what(), __FILE__, __LINE__);} while (0)
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// prints as error with stack trace and throws the exception.
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@ -11,20 +11,27 @@
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#ifdef _WIN32
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#include <intrin.h>
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#else
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#include <x86intrin.h>
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#endif
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#else
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#include <chrono>
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#endif
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#include <cstdint>
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namespace blt::system {
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#include <cstdint>
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#include <string>
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#include <optional>
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namespace blt::system
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{
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//#ifdef __GNUC__
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// #define GNU_INLINE __attribute__((__gnu_inline__, __always_inline__))
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//#else
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// #define GNU_INLINE
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//#endif
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inline std::uint64_t rdtsc(){
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inline std::uint64_t rdtsc()
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{
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#ifdef __EMSCRIPTEN__
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return std::chrono::high_resolution_clock::now().time_since_epoch().count();
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#else
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@ -33,6 +40,144 @@ namespace blt::system {
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}
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// TODO: system memory and current CPU usage. (Linux Only currently)
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struct linux_proc_stat
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{
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// pid %d
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std::int32_t PID;
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// comm %s
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std::string exec_name;
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/*
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* R Running
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* S Sleeping in an interruptible wait
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* D Waiting in uninterruptible disk sleep
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* Z Zombie
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* T Stopped (on a signal) or (before Linux 2.6.33) trace stopped
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* t Tracing stop (Linux 2.6.33 onward)
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* W Paging (only before Linux 2.6.0)
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* X Dead (from Linux 2.6.0 onward)
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* x Dead (Linux 2.6.33 to 3.13 only)
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* K Wakekill (Linux 2.6.33 to 3.13 only)
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* W Waking (Linux 2.6.33 to 3.13 only)
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* P Parked (Linux 3.9 to 3.13 only)
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* I Idle (Linux 4.14 onward)
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*/
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// state %c
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char state;
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// pid of parent
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std::int32_t parent_pid;
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// group id of process
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std::int32_t group_id;
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// session id of process
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std::int32_t session_id;
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// controlling terminal
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std::int32_t tty_nr;
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// The ID of the foreground process group of the controlling terminal of the process.
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std::int32_t tpgid;
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std::uint32_t flags;
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std::uint64_t minflt;
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std::uint64_t cminflt;
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std::uint64_t majflt;
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std::uint64_t cmajflt;
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// amount of time process has been scheduled in user mode measured in clock ticks (divide by sysconf(_SC_CLK_TCK))
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std::uint64_t utime;
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// amount of time that this process has been scheduled in kernel mode, measured in clock ticks (divide by sysconf(_SC_CLK_TCK)).
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std::uint64_t stime;
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// children times
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std::int64_t cutime;
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std::int64_t cstime;
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std::int64_t priority;
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std::int64_t nice;
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std::int64_t num_threads;
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std::int64_t itrealvalue;
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// The time the process started after system boot. Since Linux 2.6, the value is expressed in clock ticks (divide by sysconf(_SC_CLK_TCK)).
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std::uint64_t starttime;
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// Virtual memory size in bytes.
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std::uint64_t vsize;
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// Resident Set Size: number of pages the process has in real memory.
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// This is just the pages which count toward text, data, or stack space. This does not include pages which have not been demand-loaded
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// in, or which are swapped out. This value is inaccurate; see /proc/pid/statm below.
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std::int64_t rss;
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// Current soft limit in bytes on the rss of the process; see the description of RLIMIT_RSS in getrlimit(2).
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std::uint64_t rsslim;
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std::uint64_t startcode;
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std::uint64_t endcode;
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std::uint64_t startstack;
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std::uint64_t kstkesp;
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std::uint64_t signal;
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std::uint64_t blocked;
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std::uint64_t sigignore;
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std::uint64_t sigcatch;
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std::uint64_t wchan;
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std::uint64_t nswap;
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std::uint64_t cnswap;
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std::int32_t exit_signal;
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std::int32_t processor;
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std::uint32_t rt_priority;
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std::uint32_t policy;
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std::uint64_t delayacct_blkio_ticks;
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std::uint64_t guest_time;
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std::int64_t cguest_time;
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std::uint64_t start_data;
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std::uint64_t end_data;
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std::uint64_t start_brk;
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std::uint64_t arg_start;
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std::uint64_t arg_end;
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std::uint64_t env_start;
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std::uint64_t env_end;
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std::int32_t exit_code;
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};
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struct memory_info_t
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{
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// total program size (bytes) (same as VmSize in status)
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std::uint64_t size;
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// size of memory portions (bytes) (same as VmRSS in status)
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std::uint64_t resident;
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// number of bytes that are shared (i.e. backed by a file, same as RssFile+RssShmem in status)
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std::uint64_t shared;
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// number of bytes that are 'code' (not including libs; broken, includes data segment)
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std::uint64_t text;
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// number of pages of library (0)
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std::uint64_t lib;
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// number of bytes of data/stack (including libs; broken, includes library text)
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std::uint64_t data;
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// number of dirty pages (0)
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std::uint64_t dt;
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};
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struct timeval {
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time_t tv_sec; /* Seconds */
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suseconds_t tv_usec; /* Microseconds */
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};
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struct rusage {
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timeval ru_utime; /* user CPU time used */
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timeval ru_stime; /* system CPU time used */
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long ru_maxrss; /* maximum resident set size */
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long ru_ixrss; /* integral shared memory size */
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long ru_idrss; /* integral unshared data size */
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long ru_isrss; /* integral unshared stack size */
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long ru_minflt; /* page reclaims (soft page faults) */
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long ru_majflt; /* page faults (hard page faults) */
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long ru_nswap; /* swaps */
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long ru_inblock; /* block input operations */
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long ru_oublock; /* block output operations */
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long ru_msgsnd; /* IPC messages sent */
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long ru_msgrcv; /* IPC messages received */
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long ru_nsignals; /* signals received */
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long ru_nvcsw; /* voluntary context switches */
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long ru_nivcsw; /* involuntary context switches */
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};
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std::optional<blt::system::rusage> get_resources_process();
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std::optional<blt::system::rusage> get_resources_thread();
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memory_info_t get_memory_process();
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}
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#endif //BLT_SYSTEM_H
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@ -21,6 +21,8 @@
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#include <string>
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#include <blt/compatibility.h>
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#include <variant>
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#include <utility>
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#if defined(__GNUC__)
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@ -189,6 +191,7 @@ namespace blt
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return a.current != b.current;
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}
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};
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private:
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T _begin;
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T _end;
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|
@ -209,12 +212,377 @@ namespace blt
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}
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};
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struct unexpect_t
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{
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explicit unexpect_t() = default;
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};
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inline constexpr unexpect_t unexpect{};
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template<typename T>
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using remove_cvref_t = std::remove_reference_t<std::remove_cv_t<T>>;
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template<class E>
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class unexpected
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{
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private:
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E e;
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public:
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constexpr unexpected(const unexpected&) = default;
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constexpr unexpected(unexpected&&) = default;
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template<class Err = E, std::enable_if_t<
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!std::is_same_v<remove_cvref_t<Err>, unexpected> && !std::is_same_v<remove_cvref_t<Err>, std::in_place_t> &&
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std::is_constructible_v<E, Err>, bool> = true>
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constexpr explicit unexpected(Err&& e): e(std::forward<Err>(e))
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{}
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template<class... Args, std::enable_if_t<std::is_constructible_v<E, Args...>, bool> = true>
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constexpr explicit unexpected(std::in_place_t, Args&& ... args): e(std::forward<Args>(args)...)
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{}
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template<class U, class... Args, std::enable_if_t<std::is_constructible_v<E, std::initializer_list<U>&, Args...>, bool> = true>
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constexpr explicit unexpected(std::in_place_t, std::initializer_list<U> il, Args&& ... args): e(il, std::forward<Args>(args)...)
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{}
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constexpr const E& error() const& noexcept
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{
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return e;
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}
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constexpr E& error()& noexcept
|
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{
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return e;
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}
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constexpr const E&& error() const&& noexcept
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{
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return e;
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}
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constexpr E&& error()&& noexcept
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{
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return e;
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}
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constexpr void swap(unexpected& other) noexcept(std::is_nothrow_swappable_v<E>)
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{
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std::swap(error(), other.error());
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}
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template<typename E2>
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inline friend constexpr bool operator==(const unexpected& x, const unexpected <E2>& y)
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{
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return x.error() == y.error();
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}
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friend constexpr void swap(unexpected& x, unexpected& y) noexcept(noexcept(x.swap(y)))
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{}
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};
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template<class E>
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unexpected(E) -> unexpected<E>;
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template<class E>
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class bad_expected_access : public std::exception
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{
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private:
|
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E e;
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public:
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explicit bad_expected_access(E e): e(std::move(e))
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{}
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const E& error() const& noexcept
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{ return e; }
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|
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E& error()& noexcept
|
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{ return e; }
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|
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const E&& error() const&& noexcept
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{ return e; }
|
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|
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E&& error()&& noexcept
|
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{ return e; }
|
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|
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[[nodiscard]] const char* what() const noexcept override
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{ return "blt::expected does not contain a value!"; }
|
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|
||||
};
|
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|
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template<typename T, typename E, bool = std::is_copy_constructible_v<T>>
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class expected
|
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{
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protected:
|
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std::variant<T, E> v;
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|
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template<typename U, typename G>
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inline static constexpr bool eight_insanity_v =
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std::is_constructible_v<T, expected<U, G>&> || std::is_constructible_v<T, expected<U, G>> ||
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std::is_constructible_v<T, const expected<U, G>&> || std::is_constructible_v<T, const expected<U, G>> ||
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std::is_convertible_v<expected<U, G>&, T> || std::is_convertible_v<expected<U, G>, T> ||
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std::is_convertible_v<const expected<U, G>&, T> || std::is_convertible_v<const expected<U, G>, T>;
|
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|
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template<typename U, typename G>
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inline static constexpr bool four_insanity_v =
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std::is_constructible_v<unexpected<E>, expected<U, G>&> || std::is_constructible_v<unexpected<E>, expected<U, G>> ||
|
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std::is_constructible_v<unexpected<E>, const expected<U, G>&> || std::is_constructible_v<unexpected<E>, const expected<U, G>>;
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|
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public:
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template<typename std::enable_if_t<std::is_default_constructible_v<T>, bool> = true>
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constexpr expected() noexcept: v(T())
|
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{}
|
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constexpr expected(const expected& copy) = delete;
|
||||
|
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constexpr expected(expected&& move) noexcept: v(move ? std::move(*move) : std::move(move.error()))
|
||||
{}
|
||||
|
||||
/*
|
||||
* (4)...(5)
|
||||
*/
|
||||
template<class U, class G, class UF = std::add_lvalue_reference_t<const U>, class GF = const G&, std::enable_if_t<
|
||||
(!std::is_convertible_v<UF, T> || !std::is_convertible_v<GF, E>) && (std::is_constructible_v<T, UF> || std::is_void_v<U>) &&
|
||||
std::is_constructible_v<E, GF> && !eight_insanity_v < U, G>&& !four_insanity_v<U, G>, bool> = true>
|
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|
||||
constexpr explicit expected(const expected<U, G>& other):
|
||||
v(other.has_value() ? std::forward<UF>(*other) : std::forward<GF>(other.error()))
|
||||
{}
|
||||
|
||||
template<class U, class G, class UF = U, class GF = G, std::enable_if_t<
|
||||
(!std::is_convertible_v<UF, T> || !std::is_convertible_v<GF, E>) && (std::is_constructible_v<T, UF> || std::is_void_v<U>) &&
|
||||
std::is_constructible_v<E, GF> && !eight_insanity_v < U, G>&& !four_insanity_v<U, G>, bool> = true>
|
||||
|
||||
constexpr explicit expected(expected<U, G>&& other):
|
||||
v(other.has_value() ? std::forward<UF>(*other) : std::forward<GF>(other.error()))
|
||||
{}
|
||||
|
||||
template<class U, class G, class UF = std::add_lvalue_reference_t<const U>, class GF = const G&, std::enable_if_t<
|
||||
(std::is_convertible_v<UF, T> && std::is_convertible_v<GF, E>) && (std::is_constructible_v<T, UF> || std::is_void_v<U>) &&
|
||||
std::is_constructible_v<E, GF> && !eight_insanity_v < U, G>&& !four_insanity_v<U, G>, bool> = true>
|
||||
|
||||
constexpr expected(const expected<U, G>& other):
|
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v(other.has_value() ? std::forward<UF>(*other) : std::forward<GF>(other.error()))
|
||||
{}
|
||||
|
||||
template<class U, class G, class UF = U, class GF = G, std::enable_if_t<
|
||||
(std::is_convertible_v<UF, T> && std::is_convertible_v<GF, E>) && (std::is_constructible_v<T, UF> || std::is_void_v<U>) &&
|
||||
std::is_constructible_v<E, GF> && !eight_insanity_v < U, G>&& !four_insanity_v<U, G>, bool> = true>
|
||||
|
||||
constexpr expected(expected<U, G>&& other):
|
||||
v(other.has_value() ? std::forward<UF>(*other) : std::forward<GF>(other.error()))
|
||||
{}
|
||||
|
||||
|
||||
/*
|
||||
* (6)
|
||||
*/
|
||||
|
||||
template<class U = T, std::enable_if_t<!std::is_convertible_v<U, T> &&
|
||||
!std::is_same_v<remove_cvref_t<T>, void> &&
|
||||
!std::is_same_v<remove_cvref_t<U>, std::in_place_t> &&
|
||||
!std::is_same_v<expected, remove_cvref_t<U>> &&
|
||||
std::is_constructible_v<T, U> &&
|
||||
!std::is_same_v<remove_cvref_t<U>, unexpected<U>> &&
|
||||
!std::is_same_v<remove_cvref_t<U>, expected<T, E>>, bool> = true>
|
||||
constexpr explicit expected(U&& v): v(T(std::forward<U>(v)))
|
||||
{}
|
||||
|
||||
template<class U = T, std::enable_if_t<std::is_convertible_v<U, T> &&
|
||||
!std::is_same_v<remove_cvref_t<T>, void> &&
|
||||
!std::is_same_v<remove_cvref_t<U>, std::in_place_t> &&
|
||||
!std::is_same_v<expected, remove_cvref_t<U>> &&
|
||||
std::is_constructible_v<T, U> &&
|
||||
!std::is_same_v<remove_cvref_t<U>, unexpected<U>> &&
|
||||
!std::is_same_v<remove_cvref_t<U>, expected<T, E>>, bool> = true>
|
||||
constexpr expected(U&& v): v(T(std::forward<U>(v)))
|
||||
{}
|
||||
|
||||
/*
|
||||
* (7)
|
||||
*/
|
||||
|
||||
template<class G, class GF = std::add_const_t<std::add_lvalue_reference_t<G>>, std::enable_if_t<
|
||||
!std::is_convertible_v<const G&, E> && std::is_constructible_v<E, GF>, bool> = true>
|
||||
constexpr explicit expected(const unexpected<G>& e): v(std::forward<GF>(e.error()))
|
||||
{}
|
||||
|
||||
template<class G, class GF = std::add_const_t<std::add_lvalue_reference_t<G>>, std::enable_if_t<
|
||||
std::is_convertible_v<const G&, E> && std::is_constructible_v<E, GF>, bool> = true>
|
||||
constexpr expected(const unexpected<G>& e): v(std::forward<GF>(e.error()))
|
||||
{}
|
||||
|
||||
/*
|
||||
* (8)
|
||||
*/
|
||||
|
||||
template<class G, class GF = std::add_const_t<std::add_lvalue_reference_t<G>>, std::enable_if_t<
|
||||
!std::is_convertible_v<G, E> && std::is_constructible_v<E, GF>, bool> = true>
|
||||
constexpr explicit expected(unexpected<G>&& e): v(std::forward<GF>(e.error()))
|
||||
{}
|
||||
|
||||
template<class G, class GF = std::add_const_t<std::add_lvalue_reference_t<G>>, std::enable_if_t<
|
||||
std::is_convertible_v<G, E> && std::is_constructible_v<E, GF>, bool> = true>
|
||||
constexpr expected(unexpected<G>&& e): v(std::forward<GF>(e.error()))
|
||||
{}
|
||||
|
||||
/*
|
||||
* (9)...(13)
|
||||
*/
|
||||
template<class... Args, std::enable_if_t<std::is_constructible_v<T, Args...>, bool> = true>
|
||||
constexpr explicit expected(std::in_place_t, Args&& ... args): v(T(std::forward<Args>(args)...))
|
||||
{}
|
||||
|
||||
template<class U, class... Args, std::enable_if_t<std::is_constructible_v<T, std::initializer_list<U>&, Args...>, bool> = true>
|
||||
constexpr explicit expected(std::in_place_t, std::initializer_list<U> il, Args&& ... args): v(T(il, std::forward<Args>(args)...))
|
||||
{}
|
||||
|
||||
// template<class... Args, std::enable_if_t<std::is_same_v<remove_cvref_t<T>, void>, bool> = true>
|
||||
// constexpr explicit expected(std::in_place_t) noexcept: v(T())
|
||||
// {}
|
||||
|
||||
template<class... Args, std::enable_if_t<std::is_constructible_v<E, Args...>, bool> = true>
|
||||
constexpr explicit expected(unexpect_t, Args&& ... args): v(E(std::forward<Args>(args)...))
|
||||
{}
|
||||
|
||||
template<class U, class... Args, std::enable_if_t<std::is_constructible_v<E, std::initializer_list<U>&, Args...>, bool> = true>
|
||||
constexpr explicit expected(unexpect_t, std::initializer_list<U> il, Args&& ... args): v(E(il, std::forward<Args>(args)...))
|
||||
{}
|
||||
|
||||
expected& operator=(const expected& copy) = delete;
|
||||
|
||||
expected& operator=(expected&& move) = default;
|
||||
|
||||
[[nodiscard]] constexpr explicit operator bool() const noexcept
|
||||
{
|
||||
return std::holds_alternative<T>(v);
|
||||
}
|
||||
|
||||
[[nodiscard]] constexpr inline bool has_value() const noexcept
|
||||
{
|
||||
return std::holds_alternative<T>(v);
|
||||
}
|
||||
|
||||
constexpr T& value()&
|
||||
{
|
||||
if (*this)
|
||||
return std::get<T>(v);
|
||||
else
|
||||
throw bad_expected_access(std::as_const(error()));
|
||||
}
|
||||
|
||||
constexpr const T& value() const&
|
||||
{
|
||||
if (*this)
|
||||
return std::get<T>(v);
|
||||
else
|
||||
throw bad_expected_access(std::as_const(error()));
|
||||
}
|
||||
|
||||
constexpr T&& value()&&
|
||||
{
|
||||
if (*this)
|
||||
return std::get<T>(v);
|
||||
else
|
||||
throw bad_expected_access(std::move(error()));
|
||||
}
|
||||
|
||||
constexpr const T&& value() const&&
|
||||
{
|
||||
if (*this)
|
||||
return std::get<T>(v);
|
||||
else
|
||||
throw bad_expected_access(std::move(error()));
|
||||
}
|
||||
|
||||
constexpr const E& error() const& noexcept
|
||||
{
|
||||
return std::get<E>(v);
|
||||
}
|
||||
|
||||
constexpr E& error()& noexcept
|
||||
{
|
||||
return std::get<E>(v);
|
||||
}
|
||||
|
||||
constexpr const E&& error() const&& noexcept
|
||||
{
|
||||
return std::get<E>(v);
|
||||
}
|
||||
|
||||
constexpr E&& error()&& noexcept
|
||||
{
|
||||
return std::get<E>(v);
|
||||
}
|
||||
|
||||
template<class U, std::enable_if_t<std::is_convertible_v<U, T> && std::is_copy_constructible_v<T>, bool> = true>
|
||||
constexpr T value_or(U&& default_value) const&
|
||||
{
|
||||
return bool(*this) ? **this : static_cast<T>(std::forward<U>(default_value));
|
||||
}
|
||||
|
||||
template<class U, std::enable_if_t<std::is_convertible_v<U, T> && std::is_move_constructible_v<T>, bool> = true>
|
||||
constexpr T value_or(U&& default_value)&&
|
||||
{
|
||||
return bool(*this) ? std::move(**this) : static_cast<T>(std::forward<U>(default_value));
|
||||
}
|
||||
|
||||
constexpr inline const T* operator->() const noexcept
|
||||
{
|
||||
return &std::get<T>(v);
|
||||
}
|
||||
|
||||
constexpr inline T* operator->() noexcept
|
||||
{
|
||||
return &std::get<T>(v);
|
||||
}
|
||||
|
||||
constexpr inline const T& operator*() const& noexcept
|
||||
{
|
||||
return std::get<T>(v);
|
||||
}
|
||||
|
||||
constexpr inline T& operator*()& noexcept
|
||||
{
|
||||
return std::get<T>(v);
|
||||
}
|
||||
|
||||
constexpr inline const T&& operator*() const&& noexcept
|
||||
{
|
||||
return std::move(std::get<T>(v));
|
||||
}
|
||||
|
||||
constexpr inline T&& operator*()&& noexcept
|
||||
{
|
||||
return std::move(std::get<T>(v));
|
||||
}
|
||||
};
|
||||
|
||||
template<typename T, typename E>
|
||||
class expected<T, E, true> : expected<T, E, false>
|
||||
{
|
||||
public:
|
||||
using expected<T, E, false>::expected;
|
||||
|
||||
constexpr expected(const expected& copy): expected<T, E, false>::v(copy ? *copy : copy.error())
|
||||
{}
|
||||
|
||||
expected& operator=(const expected& copy) = default;
|
||||
};
|
||||
|
||||
//#define BLT_LAMBDA(type, var, code) [](const type& var) -> auto { return code; }
|
||||
//#define BLT_LAMBDA(var, code) [](var) -> auto { return code; }
|
||||
|
||||
/*
|
||||
* std::visit(blt::lambda_visitor{
|
||||
* lambdas...
|
||||
* }, data_variant);
|
||||
*/
|
||||
|
||||
// TODO: WTF
|
||||
template<class... TLambdas>
|
||||
struct lambda_visitor : TLambdas... {
|
||||
struct lambda_visitor : TLambdas ...
|
||||
{
|
||||
using TLambdas::operator()...;
|
||||
};
|
||||
|
||||
|
|
|
@ -1 +1 @@
|
|||
Subproject commit 946ebad67a21212d11a0dd4deb7cdedc297d47bc
|
||||
Subproject commit 65775fa09fecaa65d0b0022ab6bf091c0e509445
|
|
@ -52,12 +52,14 @@ namespace blt {
|
|||
#endif
|
||||
}
|
||||
|
||||
void b_assert_failed(const char* expression, const char* path, int line)
|
||||
void b_assert_failed(const char* expression, const char* msg, const char* path, int line)
|
||||
{
|
||||
#if defined(__GNUC__) && !defined(__EMSCRIPTEN__)
|
||||
BLT_STACK_TRACE(50);
|
||||
|
||||
BLT_ERROR("The assertion '%s' has failed in file '%s:%d'", expression, path, line);
|
||||
if (msg != nullptr)
|
||||
BLT_ERROR(msg);
|
||||
BLT_ERROR("Stack Trace:");
|
||||
|
||||
printStacktrace(messages, size, path, line);
|
||||
|
|
|
@ -4,5 +4,139 @@
|
|||
* See LICENSE file for license detail
|
||||
*/
|
||||
#include <blt/std/system.h>
|
||||
#include <blt/std/binary_tree.h>
|
||||
#include <blt/math/math.h>
|
||||
#include <blt/std/logging.h>
|
||||
|
||||
#include <sys/time.h> /* for struct timeval */
|
||||
#include <climits> /* for CLK_TCK */
|
||||
|
||||
#include <sys/resource.h>
|
||||
#include <cstring>
|
||||
|
||||
#ifndef WIN32
|
||||
|
||||
#include <unistd.h>
|
||||
#include <blt/std/loader.h>
|
||||
#include "blt/std/assert.h"
|
||||
|
||||
inline long blt_get_page_size()
|
||||
{
|
||||
return sysconf(_SC_PAGESIZE);
|
||||
}
|
||||
|
||||
//struct proc_statm_t
|
||||
//{
|
||||
// // total program size (pages) (same as VmSize in status)
|
||||
// std::uint64_t size;
|
||||
// // size of memory portions (pages) (same as VmRSS in status)
|
||||
// std::uint64_t resident;
|
||||
// // number of pages that are shared (i.e. backed by a file, same as RssFile+RssShmem in status)
|
||||
// std::uint64_t shared;
|
||||
// // number of pages that are 'code' (not including libs; broken, includes data segment)
|
||||
// std::uint64_t text;
|
||||
// // number of pages of library (0)
|
||||
// std::uint64_t lib;
|
||||
// // number of pages of data/stack (including libs; broken, includes library text)
|
||||
// std::uint64_t data;
|
||||
// // number of dirty pages (0)
|
||||
// std::uint64_t dt;
|
||||
//};
|
||||
|
||||
blt::system::memory_info_t process_proc()
|
||||
{
|
||||
static auto page_size = blt_get_page_size();
|
||||
|
||||
auto str = blt::fs::getFile("/proc/self/statm");
|
||||
|
||||
auto data = blt::string::split(str, ' ');
|
||||
BLT_ASSERT(data.size() == 7 && "Something went wrong when parsing /proc/self/statm! Expected 7 values!");
|
||||
|
||||
blt::system::memory_info_t mem {};
|
||||
|
||||
mem.size = page_size * std::stoull(data[0]);
|
||||
mem.resident = page_size * std::stoull(data[1]);
|
||||
mem.shared = page_size * std::stoull(data[2]);
|
||||
mem.text = page_size * std::stoull(data[3]);
|
||||
mem.lib = page_size * std::stoull(data[4]);
|
||||
mem.data = page_size * std::stoull(data[5]);
|
||||
mem.dt = page_size * std::stoull(data[6]);
|
||||
|
||||
return mem;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
namespace blt
|
||||
{
|
||||
std::optional<system::rusage> get_resources(int who)
|
||||
{
|
||||
system::rusage usage{};
|
||||
std::memset(&usage, 0, sizeof(system::rusage));
|
||||
#ifdef WIN32
|
||||
FILETIME starttime;
|
||||
FILETIME exittime;
|
||||
FILETIME kerneltime;
|
||||
FILETIME usertime;
|
||||
ULARGE_INTEGER li;
|
||||
|
||||
if (who != RUSAGE_SELF)
|
||||
{
|
||||
/* Only RUSAGE_SELF is supported in this implementation for now */
|
||||
BLT_WARN("Only RUSAGE_SELF is supported in this implementation for now");
|
||||
return {};
|
||||
}
|
||||
|
||||
if (GetProcessTimes(GetCurrentProcess(),
|
||||
&starttime, &exittime, &kerneltime, &usertime) == 0)
|
||||
{
|
||||
BLT_WARN("Unable to get process resource usage, error: %d", GetLastError());
|
||||
return {};
|
||||
}
|
||||
|
||||
/* Convert FILETIMEs (0.1 us) to struct timeval */
|
||||
memcpy(&li, &kerneltime, sizeof(FILETIME));
|
||||
li.QuadPart /= 10L; /* Convert to microseconds */
|
||||
usage.ru_stime.tv_sec = li.QuadPart / 1000000L;
|
||||
usage.ru_stime.tv_usec = li.QuadPart % 1000000L;
|
||||
|
||||
memcpy(&li, &usertime, sizeof(FILETIME));
|
||||
li.QuadPart /= 10L; /* Convert to microseconds */
|
||||
usage.ru_utime.tv_sec = li.QuadPart / 1000000L;
|
||||
usage.ru_utime.tv_usec = li.QuadPart % 1000000L;
|
||||
#else
|
||||
if (getrusage(who, (struct rusage*) &usage) != 0)
|
||||
{
|
||||
BLT_ERROR("Failed to get rusage %d", errno);
|
||||
return {};
|
||||
}
|
||||
#endif
|
||||
return usage;
|
||||
}
|
||||
|
||||
std::optional<system::rusage> system::get_resources_process()
|
||||
{
|
||||
return get_resources(RUSAGE_SELF);
|
||||
}
|
||||
|
||||
std::optional<system::rusage> system::get_resources_thread()
|
||||
{
|
||||
#ifdef WIN32
|
||||
return get_resources(RUSAGE_SELF);
|
||||
#else
|
||||
return get_resources(RUSAGE_THREAD);
|
||||
#endif
|
||||
}
|
||||
|
||||
system::memory_info_t system::get_memory_process()
|
||||
{
|
||||
#ifdef WIN32
|
||||
BLT_WARN("Unsupported OS");
|
||||
return {};
|
||||
#else
|
||||
|
||||
return process_proc();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
|
Loading…
Reference in New Issue