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Make subprocess inherit parent's pipe handles

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This commit is contained in:
Kamil Kowalczyk
2025-09-18 23:31:16 +02:00
parent 4c17f26915
commit 2d7ceb4b43
1 changed files with 9 additions and 0 deletions
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9
kernel/syscall/processctl.c
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@ -9,6 +9,7 @@
#include "path/path.h"
#include "kprintf.h"
#include "dlmalloc/malloc.h"
#include "ipc/pipe/pipe.h"
#define PCTL_MP_MAX 0xff
#define PCTL_PATH_MAX VFS_PATH_MAX
@ -66,6 +67,14 @@ int32_t SYSCALL5(sys_processctl, pid1, cmd1, arg1, arg2, arg3) {
PROC_ARG(newproc, (*args)[i]);
}
for (size_t i = 0; i < PROC_PIPEHANDLES_MAX; i++) {
if (newproc->pipes[i] != NULL) {
ipc_pipefree(newproc->pipes[i]);
dlfree(newproc->pipes[i]);
}
newproc->pipes[i] = proc->pipes[i];
}
proc_register(newproc);
ret = newproc->pid;
} break;