diff options
Diffstat (limited to 'src/kernel/syscalls.c')
| -rw-r--r-- | src/kernel/syscalls.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/kernel/syscalls.c b/src/kernel/syscalls.c index 0dda320..b040285 100644 --- a/src/kernel/syscalls.c +++ b/src/kernel/syscalls.c @@ -8,6 +8,7 @@ #include <kernel/panic.h> #include <kernel/pipe.h> #include <kernel/proc.h> +#include <kernel/vfs/procfs.h> #include <shared/mem.h> #include <stdint.h> @@ -120,7 +121,6 @@ long _sys_mount(hid_t hid, const char __user *path, long len) { // remove trailing slash // mounting something under `/this` and `/this/` should be equalivent if (path_buf[len - 1] == '/') { - if (len == 0) goto fail; len--; } @@ -404,6 +404,21 @@ int _sys_wait2(int pid, int flags, struct sys_wait2 __user *out) { return 0; // dummy } +hid_t _sys_getprocfs(int flags) { + if (flags != 0) { + SYSCALL_RETURN(-ENOSYS); + } + proc_ns_create(proc_cur); + + Handle *h; + hid_t hid = proc_handle_init(proc_cur, HANDLE_FS_FRONT, &h); + if (hid < 0) { + SYSCALL_RETURN(-EMFILE); + } + h->backend = procfs_backend(proc_cur); + SYSCALL_RETURN(hid); +} + long _sys_execbuf(void __user *ubuf, size_t len) { if (len == 0) SYSCALL_RETURN(0); if (len > EXECBUF_MAX_LEN) @@ -458,6 +473,7 @@ long _syscall(long num, long a, long b, long c, long d, long e) { break; case _SYS_GETPID: _sys_getpid(); break; case _SYS_GETPPID: _sys_getppid(); break; case _SYS_WAIT2: _sys_wait2(a, b, (userptr_t)c); + break; case _SYS_GETPROCFS: _sys_getprocfs(a); break; case _SYS_EXECBUF: _sys_execbuf((userptr_t)a, b); break; case _SYS_DEBUG_KLOG: _sys_debug_klog((userptr_t)a, b); break; |