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sigsuspend: proper behaviour

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Matheus
2024-09-09 18:05:54 -03:00
parent 85cbdc05c1
commit caec7d4daa
4 changed files with 30 additions and 10 deletions
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kernel-src/include/kernel/scheduler.h
+4 -2
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@@ -59,8 +59,10 @@ typedef struct thread_t {
stack_t stack;
sigset_t mask;
sigset_t pending;
sigset_t urgent;
sigset_t waiting;
sigset_t urgent; // always handled before returning to userspace
sigset_t waiting; // for signal_wait
sigset_t oldmask; // for signal_suspend
bool suspending;
bool stopped;
} signals;
} thread_t;
kernel-src/include/kernel/signal.h
+1
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@@ -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);
void signal_suspend(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];