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Remove mail_receive_nonblock ()
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This commit is contained in:
Kamil Kowalczyk
2026-03-18 23:24:07 +01:00
parent 837f7fa7ba
commit 53034bc091
6 changed files with 3 additions and 92 deletions
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48
kernel/proc/mail.c
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@@ -147,51 +147,3 @@ void proc_mail_receive (struct proc* proc, struct proc_mail* mail, struct resche
/* nothing to receive */
proc_sq_suspend (proc, &mail->recv_sq, &mail->resource->lock, fr, rctx);
}
bool proc_mail_receive_nonblock (struct proc* proc, struct proc_mail* mail,
struct reschedule_ctx* rctx, void* recv_buffer, size_t recv_size) {
uint64_t fp, fr, fssq;
spin_lock (&proc->lock, &fp);
proc->mail_recv_buffer = recv_buffer;
proc->mail_recv_size = recv_size;
spin_unlock (&proc->lock, fp);
spin_lock (&mail->resource->lock, &fr);
/* consume mesg if available */
if (mail->packets_count > 0) {
struct mail_packet* packet = list_entry (mail->packets, struct mail_packet, packets_link);
list_remove (mail->packets, &packet->packets_link);
mail->packets_count--;
memcpy (recv_buffer, packet->packet_buffer, min (recv_size, packet->packet_size));
free (packet->packet_buffer);
free (packet);
/* check for suspended sender */
spin_lock (&mail->send_sq.lock, &fssq);
struct list_node_link* node = mail->send_sq.proc_list;
if (node != NULL) {
struct proc_sq_entry* sq_entry = list_entry (node, struct proc_sq_entry, sq_link);
struct proc* resumed_proc = sq_entry->proc;
spin_unlock (&mail->send_sq.lock, fssq);
spin_unlock (&mail->resource->lock, fr);
proc_sq_resume (resumed_proc, sq_entry, rctx);
return true;
}
spin_unlock (&mail->send_sq.lock, fssq);
spin_unlock (&mail->resource->lock, fr);
return true;
}
spin_unlock (&mail->resource->lock, fr);
return false;
}

3
kernel/proc/mail.h
View File

@@ -37,7 +37,4 @@ void proc_mail_send (struct proc* proc, struct proc_mail* mail, struct reschedul
void proc_mail_receive (struct proc* proc, struct proc_mail* mail, struct reschedule_ctx* rctx,
void* recv_buffer, size_t recv_size);
bool proc_mail_receive_nonblock (struct proc* proc, struct proc_mail* mail,
struct reschedule_ctx* rctx, void* recv_buffer, size_t recv_size);
#endif // _KERNEL_PROC_MAIL_H