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Rewrite Windows signal delivery system

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Justine Tunney 2023-09-12 11:38:34 -07:00
parent 00084577a3
commit 81f391dd22
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GPG key ID: BE714B4575D6E328
19 changed files with 66 additions and 333 deletions
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22
libc/calls/sig.internal.h
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@ -1,6 +1,5 @@
#ifndef COSMOPOLITAN_LIBC_CALLS_SIGNALS_INTERNAL_H_
#define COSMOPOLITAN_LIBC_CALLS_SIGNALS_INTERNAL_H_
#include "libc/atomic.h"
#include "libc/calls/struct/sigset.h"
#include "libc/calls/ucontext.h"
#include "libc/nt/struct/context.h"
@ -19,32 +18,19 @@ struct Delivery {
struct NtContext *nc;
};
struct Signal {
struct Signal *next;
bool used;
int tid;
int sig;
int si_code;
};
struct Signals {
uint64_t sigmask; /* only if tls is disabled */
struct Signal *queue;
struct Signal mem[__SIG_QUEUE_LENGTH];
uint64_t mask;
uint64_t pending;
uint64_t count;
};
extern struct Signals __sig;
extern atomic_long __sig_count;
bool __sig_check(int);
bool __sig_is_core(int);
bool __sig_is_fatal(int);
bool __sig_is_ignored(int);
bool __sig_handle(int, int, int, ucontext_t *);
int __sig_add(int, int, int);
int __sig_mask(int, const sigset_t *, sigset_t *);
void __sig_check_ignore(const int, const unsigned);
void __sig_pending(sigset_t *);
int __sig_is_applicable(struct Signal *);
bool __sig_deliver(int, int, int, ucontext_t *);
int __sig_tramp(struct Delivery *);
bool32 __sig_notify(int, int);