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Diffstat (limited to 'kernel/include/arch/x86_64/syscalls/signal.hpp')
-rw-r--r--kernel/include/arch/x86_64/syscalls/signal.hpp288
1 files changed, 0 insertions, 288 deletions
diff --git a/kernel/include/arch/x86_64/syscalls/signal.hpp b/kernel/include/arch/x86_64/syscalls/signal.hpp
deleted file mode 100644
index 26589c7..0000000
--- a/kernel/include/arch/x86_64/syscalls/signal.hpp
+++ /dev/null
@@ -1,288 +0,0 @@
-
-#include <arch/x86_64/interrupts/idt.hpp>
-#include <cstdint>
-
-#include <etc/list.hpp>
-
-#pragma once
-
-void signal_ret();
-
-typedef long clock_t;
-
-union sigval {
- int sival_int;
- void *sival_ptr;
-};
-
-typedef uint32_t __uint32_t;
-typedef uint64_t __uint64_t;
-typedef uint16_t __uint16_t;
-typedef int pid_t;
-typedef int uid_t;
-
-
-
-
-#define _SIGSET_NWORDS (1024 / (8 * sizeof (unsigned long int)))
-typedef struct
-{
- unsigned long long __val;
-} __sigset_t;
-
-typedef __sigset_t sigset_t;
-
-void signal_ret_sigmask(sigset_t* sigmask);
-
-#define __sigmask(sig) \
- (1UL << (((sig) - 1) % 64))
-
-/* Return the word index for SIG. */
-static inline int
-__sigword (int sig)
-{
- return (sig - 1) / 64;
-}
-
-static inline int
-__sigismember (sigset_t *set, int sig)
-{
- return (set->__val & (1 << (sig - 1))) ? 1 : 0;
-}
-
-
-struct siginfo_t {
- int si_signo; /* Номер сигнала */
- int si_errno; /* Значение errno */
- int si_code; /* Код сигнала */
- pid_t si_pid; /* Идентификатор процесса, пославшего сигнал */
- uid_t si_uid; /* Реальный идентификатор пользователя процесса, пославшего сигнал */
- int si_status; /* Выходное значение или номер сигнала */
- clock_t si_utime; /* Занятое пользователем время */
- clock_t si_stime; /* Использованное системное время */
- sigval si_value; /* Значение сигнала */
- int si_int; /* Сигнал POSIX.1b */
- void * si_ptr; /* Сигнал POSIX.1b */
- void * si_addr; /* Адрес в памяти, приводящий к ошибке */
- int si_band; /* Общее событие */
- int si_fd; /* Описатель файла */
-};
-
-# define __ctx(fld) fld
-
-struct _libc_fpxreg
-{
- unsigned short int __ctx(significand)[4];
- unsigned short int __ctx(exponent);
- unsigned short int __glibc_reserved1[3];
-};
-
-typedef struct {
- void *ss_sp; /* Base address of stack */
- int ss_flags; /* Flags */
- size_t ss_size; /* Number of bytes in stack */
- } stack_t;
-
-
-struct _libc_xmmreg
-{
- __uint32_t __ctx(element)[4];
-};
-
-struct _libc_fpstate
-{
- /* 64-bit FXSAVE format. */
- __uint16_t __ctx(cwd);
- __uint16_t __ctx(swd);
- __uint16_t __ctx(ftw);
- __uint16_t __ctx(fop);
- __uint64_t __ctx(rip);
- __uint64_t __ctx(rdp);
- __uint32_t __ctx(mxcsr);
- __uint32_t __ctx(mxcr_mask);
- struct _libc_fpxreg _st[8];
- struct _libc_xmmreg _xmm[16];
- __uint32_t __glibc_reserved1[24];
-};
-
-#define __NGREG 23
-
-#define __pollution(n) n
-
-struct _fpxreg {
- unsigned short __pollution(significand)[4];
- unsigned short __pollution(exponent);
- unsigned short __padding[3];
-};
-
-struct _xmmreg {
- uint32_t __pollution(element)[4];
-};
-
-struct _fpstate {
- uint16_t __pollution(cwd);
- uint16_t __pollution(swd);
- uint16_t __pollution(ftw);
- uint16_t __pollution(fop);
- uint64_t __pollution(rip);
- uint64_t __pollution(rdp);
- uint32_t __pollution(mxcsr);
- uint32_t __pollution(mxcr_mask);
- struct _fpxreg _st[8];
- struct _xmmreg _xmm[16];
- uint32_t __padding[24];
-};
-
-typedef struct {
- unsigned long __pollution(gregs)[__NGREG];
- struct _fpstate *__pollution(fpregs);
- unsigned long __reserved1[8];
-} mcontext_t;
-
-/* Structure to describe FPU registers. */
-typedef struct _libc_fpstate *fpregset_t;
-
-struct sigtrace {
- mcontext_t* mctx;
- sigset_t sigset;
- void* fpu_state;
- struct sigtrace* next;
-};
-
-struct sigaction
- {
- /* Signal handler. */
-#if 1
- union
- {
- /* Used if SA_SIGINFO is not set. */
- void (*sa_handler)(int);
- /* Used if SA_SIGINFO is set. */
- void (*sa_sigaction) (int, siginfo_t *, void *);
- }
- __sigaction_handler;
-# define sa_handler __sigaction_handler.sa_handler
-# define sa_sigaction __sigaction_handler.sa_sigaction
-#else
- __sighandler_t sa_handler;
-#endif
-
- /* Additional set of signals to be blocked. */
- sigset_t sa_mask;
-
- /* Special flags. */
- int sa_flags;
-
- /* Restore handler. */
- void (*sa_restorer) (void);
- };
-
-typedef struct {
- std::uint16_t sig;
-} pending_signal_t;
-
-class signalmanager {
-private:
- pending_signal_t* sigs = 0;
- Lists::Bitmap* bitmap = 0;
- int size = 0;
- int total_size = 0;
- locks::spinlock lock;
-
- int allocate() {
- for(int i = 0; i < 128; i++) {
- if(!this->bitmap->test(i))
- return i;
- }
- return -1;
- }
-
- int find_free() {
- for(int i = 0; i < 128; i++) {
- if(this->bitmap->test(i))
- return i;
- }
- return -1;
- }
-
-public:
-
- signalmanager() {
- this->total_size = 128;
- sigs = new pending_signal_t[this->total_size];
- memset(sigs,0,sizeof(pending_signal_t) * this->total_size);
- bitmap = new Lists::Bitmap(this->total_size);
- }
-
- ~signalmanager() {
- delete (void*)this->sigs;
- delete (void*)this->bitmap;
- }
-
- int pop(pending_signal_t* out) {
- this->lock.lock();
- int idx = find_free();
- if(idx == -1) { this->lock.unlock();
- return -1; }
- memcpy(out,&sigs[idx],sizeof(pending_signal_t));
- this->bitmap->clear(idx);
- this->lock.unlock();
- return 0;
- }
-
- int push(pending_signal_t* src) {
- this->lock.lock();
- int idx = allocate();
- if(idx == -1) { this->lock.unlock();
- return -1; }
- memcpy(&sigs[idx],src,sizeof(pending_signal_t));
- this->bitmap->set(idx);
- this->lock.unlock();
- return 0;
- }
-
- int is_not_empty_sigset(sigset_t* sigsetz) {
- this->lock.lock();
-
- // ban sigset signals :p
- for(int i = 0; i < 128; i++) {
- if(this->bitmap->test(i) && !__sigismember(sigsetz,sigs[i].sig)) {
- this->lock.unlock(); // great there's unbanned pending signal
- return 1;
- }
- }
-
- this->lock.unlock();
- return 0;
- }
-
- int popsigset(pending_signal_t* out, sigset_t* sigsetz) {
- this->lock.lock();
- int idx = -1;
- for(int i = 0; i < 128; i++) {
- if(this->bitmap->test(i) && (sigs[i].sig == 9 || !__sigismember(sigsetz,sigs[i].sig))) {
- idx = i;
- break;
- }
- }
- if(idx == -1) {
- this->lock.unlock();
- return -1;
- }
-
- memcpy(out,&sigs[idx],sizeof(pending_signal_t));
- this->bitmap->clear(idx);
- this->lock.unlock();
- return 0;
- }
-
- int is_not_empty() {
- this->lock.lock();
- int idx = find_free();
- if(idx == -1) { this->lock.unlock();
- return 0; }
- this->lock.unlock();
- return 1;
- }
-
-}; \ No newline at end of file
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