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signals: signal_wait

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Matheus
2024-09-08 15:41:54 -03:00
parent b6806c6065
commit 909ef74597
4 changed files with 161 additions and 4 deletions
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kernel-src/include/kernel/scheduler.h
+4 -1
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@@ -9,6 +9,7 @@
#include <mutex.h>
#include <kernel/signal.h>
#include <kernel/itimer.h>
#include <kernel/event.h>
#define SCHED_THREAD_FLAGS_QUEUED 1
#define SCHED_THREAD_FLAGS_RUNNING 2
@@ -54,10 +55,12 @@ typedef struct thread_t {
context_t *usercopyctx;
struct {
spinlock_t lock;
eventheader_t waitpendingevent;
stack_t stack;
sigset_t mask;
sigset_t pending;
sigset_t urgent;
sigset_t waiting;
bool stopped;
} signals;
} thread_t;
@@ -108,6 +111,7 @@ typedef struct proc_t {
// these are only applicable if the process is leader
spinlock_t lock; // protects the linked list
} pgrp;
struct {
spinlock_t lock;
sigaction_t actions[NSIG];
@@ -152,7 +156,6 @@ void sched_stopcurrentthread();
int sched_yield();
void sched_preparesleep(bool interruptible);
bool sched_wakeup(thread_t *thread, int reason);
int sched_sleep();
proc_t *sched_newproc();
vnode_t *sched_getcwd();
vnode_t *sched_getroot();
kernel-src/include/kernel/signal.h
+1
View File
@@ -158,6 +158,7 @@ void signal_changemask(struct thread_t *thread, int how, sigset_t *new, sigset_t
void signal_signalproc(struct proc_t *proc, int signal);
void signal_signalthread(struct thread_t *thread, int signal, bool urgent);
void signal_pending(struct thread_t *, sigset_t *sigset);
int signal_wait(sigset_t *sigset, timespec_t *timeout, siginfo_t *siginfo, int *signum);
bool signal_check(struct thread_t *thread, context_t *context, bool syscall, uint64_t syscallret, uint64_t syscallerrno);
extern int signal_defaultactions[NSIG];