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Adopt pipe handle inheritance

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This commit is contained in:
Kamil Kowalczyk
2025-09-19 18:12:36 +02:00
parent 2d7ceb4b43
commit ad56890ee9
3 changed files with 15 additions and 38 deletions
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30
user/init/main.c
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@ -10,34 +10,18 @@
#include <dlmalloc/malloc.h>
#include <errors.h>
#define SUBPROC_PIPE_OUT 0x1f
uint64_t PID;
void main(void) {
PID = (uint64_t)processctl(-1, PCTL_GETPID, 0, 0, 0);
ipcpipe(PID, SUBPROC_PIPE_OUT, IPCPIPE_MAKE, NULL, 0);
void tb_runinitscript(void) {
char *tbargs[] = { "-m", "runfile", "-f", "base:/scripts/init.tb", "-logcmds", "yes" };
int32_t tb = processctl(-1, PCTL_SPAWN, (uint64_t)"base:/bin/tb", (uint64_t)&tbargs, ARRLEN(tbargs));
ipcpipe(tb, IPCPIPE_OUT, IPCPIPE_REPLACE, (uint8_t *)PID, SUBPROC_PIPE_OUT);
ipcpipe(IPCPIPE_SELFPID, 10, IPCPIPE_MAKE, NULL, 0);
ipcpipe(IPCPIPE_SELFPID, 10, IPCPIPE_ADD_BCAST, NULL, 1);
#define OUTBUF_MAX 1024
char *outbuf = dlmalloc(OUTBUF_MAX);
processctl(tb, PCTL_RUN, 0, 0, 0);
for(;;) {
string_memset(outbuf, 0, OUTBUF_MAX);
int32_t nrd = ipcpipe(PID, SUBPROC_PIPE_OUT, IPCPIPE_READ, (uint8_t *)outbuf, sizeof(outbuf));
if (nrd > 0) {
uprintf("%s", outbuf);
}
while(processctl(tb, PCTL_POLLSTATE, 0, 0, 0) != 4) {
int32_t kbchr;
int32_t read = ipcpipe(IPCPIPE_SELFPID, 10, IPCPIPE_READ, (uint8_t *)&kbchr, sizeof(kbchr));
if (read > 0) {
@ -49,6 +33,14 @@ void main(void) {
}
}
}
}
void main(void) {
PID = (uint64_t)processctl(-1, PCTL_GETPID, 0, 0, 0);
tb_runinitscript();
uprintf("Shell exited! Please reboot the system.\n");
for(;;);
}