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processctl() PCTL_SPAWN cmd, scheduler embryo state, redirected pipes

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This commit is contained in:
Kamil Kowalczyk
2025-09-10 01:11:22 +02:00
parent c4c26e0e19
commit 91c493c818
17 changed files with 183 additions and 28 deletions
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7
kernel/ipc/pipe/pipe.c
View File

@ -7,9 +7,10 @@
#include "errors.h"
#include "pipe.h"
int32_t ipc_pipeinit(IpcPipe *pipe) {
int32_t ipc_pipeinit(IpcPipe *pipe, uint64_t pid) {
hal_memset(pipe, 0, sizeof(*pipe));
spinlock_init(&pipe->spinlock);
pipe->ownerpid = pid;
pipe->rbuf.buffer = dlmalloc(IPC_PIPE_MAX);
if (pipe->rbuf.buffer == NULL) {
return E_NOMEMORY;
@ -19,7 +20,9 @@ int32_t ipc_pipeinit(IpcPipe *pipe) {
}
void ipc_pipefree(IpcPipe *pipe) {
dlfree(pipe->rbuf.buffer);
if (pipe->rbuf.buffer != NULL) {
dlfree(pipe->rbuf.buffer);
}
}
int32_t ipc_pipewrite(IpcPipe *pipe, const uint8_t *const buffer, size_t n) {

3
kernel/ipc/pipe/pipe.h
View File

@ -12,9 +12,10 @@ typedef struct IpcPipe {
struct IpcPipe *next;
RBuf rbuf;
SpinLock spinlock;
uint64_t ownerpid;
} IpcPipe;
int32_t ipc_pipeinit(IpcPipe *pipe);
int32_t ipc_pipeinit(IpcPipe *pipe, uint64_t pid);
void ipc_pipefree(IpcPipe *pipe);
int32_t ipc_pipewrite(IpcPipe *pipe, const uint8_t *const buffer, size_t n);
int32_t ipc_piperead(IpcPipe *pipe, uint8_t *const buffer, size_t n);