diff options
Diffstat (limited to 'src/kernel/proc.c')
| -rw-r--r-- | src/kernel/proc.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/kernel/proc.c b/src/kernel/proc.c index 108a006..ecbd839 100644 --- a/src/kernel/proc.c +++ b/src/kernel/proc.c @@ -484,6 +484,9 @@ Proc *proc_next(Proc *p, Proc *root) { } hid_t proc_find_free_handle(Proc *proc, hid_t start_at) { + if (start_at < 0) { + start_at = 0; + } for (hid_t hid = start_at; hid < HANDLE_MAX; hid++) { if (proc->_handles[hid] == NULL) return hid; @@ -526,11 +529,11 @@ hid_t proc_handle_init(Proc *p, enum handle_type type, Handle **hs) { return hid; } -hid_t proc_handle_dup(Proc *p, hid_t from, hid_t to) { +hid_t proc_handle_dup(Proc *p, hid_t from, hid_t to, int flags) { Handle *fromh, **toh; - if (to < 0) { - to = proc_find_free_handle(p, 0); + if (to < 0 || (flags & DUP_SEARCH)) { + to = proc_find_free_handle(p, to); if (to < 0) return -EMFILE; } else if (to >= HANDLE_MAX) { return -EBADF; |