diff options
| author | dzwdz | 2022-10-08 16:09:04 +0200 |
|---|---|---|
| committer | dzwdz | 2022-10-08 20:05:28 +0200 |
| commit | 06affde06e2b1d3fe9c7c3fa60f5662e9957534d (patch) | |
| tree | 5f4409a556b0edf62044dd608d8c798a0d09f005 /src | |
| parent | f25b6a7d38f1a4b656e3a7ad431afcf535f1fdce (diff) | |
syscall/open: don't check for free handles
doesn't really prevent anything, and makes it harder to test edge cases
Diffstat (limited to 'src')
| -rw-r--r-- | src/kernel/syscalls.c | 5 | ||||
| -rw-r--r-- | src/kernel/vfs/request.c | 1 |
2 files changed, 3 insertions, 3 deletions
diff --git a/src/kernel/syscalls.c b/src/kernel/syscalls.c index 1909eb7..6800138 100644 --- a/src/kernel/syscalls.c +++ b/src/kernel/syscalls.c @@ -86,9 +86,8 @@ handle_t _syscall_open(const char __user *path, long len, int flags) { if (PATH_MAX < len) SYSCALL_RETURN(-1); - // TODO remove this check - it's not worth it w/ threads - if (process_find_free_handle(process_current, 0) < 0) - SYSCALL_RETURN(-EMFILE); + /* Doesn't check for free handles. Another thread could use up all + * handles in the meantime anyways, or free some up. */ path_buf = kmalloc(len); if (!path_buf) goto fail; diff --git a/src/kernel/vfs/request.c b/src/kernel/vfs/request.c index 0a377d3..a129f2e 100644 --- a/src/kernel/vfs/request.c +++ b/src/kernel/vfs/request.c @@ -64,6 +64,7 @@ void vfsreq_finish(struct vfs_request *req, char __user *stored, long ret, // TODO write tests for caller getting killed while opening a file if (!req->caller) panic_unimplemented(); ret = process_handle_put(req->caller, h); + if (ret < 0) ret = -EMFILE; } else { ret = -1; } |