commit b430cd62e40afd30048a4d9992ec62bb34f5e041 (tree)
parent d5c3bf25dc7fedfe57b7142828ac83e49dd9f8d0
Author: GasInfinity <me@gasinfinity.dev>
Date: Sat, 24 Jan 2026 16:00:16 +0100
feat(std.os.linux): add some missing syscalls
Diffstat:
1 file changed, 30 insertions(+), 2 deletions(-)
diff --git a/lib/std/os/linux.zig b/lib/std/os/linux.zig
@@ -1391,6 +1391,10 @@ pub fn faccessat(dirfd: i32, path: [*:0]const u8, mode: u32, flags: u32) usize {
return syscall4(.faccessat2, @as(usize, @bitCast(@as(isize, dirfd))), @intFromPtr(path), mode, flags);
}
+pub fn acct(path: [*:0]const u8) usize {
+ return syscall1(.acct, @intFromPtr(path));
+}
+
pub fn pipe(fd: *[2]i32) usize {
if (comptime (native_arch.isMIPS() or native_arch.isSPARC())) {
return syscall_pipe(fd);
@@ -1601,11 +1605,27 @@ pub fn fchown(fd: i32, owner: uid_t, group: gid_t) usize {
}
}
+pub fn fchownat(fd: i32, path: [*:0]const u8, owner: uid_t, group: gid_t, flags: u32) usize {
+ return syscall5(.fchownat, @as(usize, @bitCast(@as(isize, fd))), @intFromPtr(path), owner, group, flags);
+}
+
pub fn chown(path: [*:0]const u8, owner: uid_t, group: gid_t) usize {
if (@hasField(SYS, "chown32")) {
return syscall3(.chown32, @intFromPtr(path), owner, group);
- } else {
+ } else if (@hasField(SYS, "chown")) {
return syscall3(.chown, @intFromPtr(path), owner, group);
+ } else {
+ return fchownat(AT.FDCWD, path, owner, group, 0);
+ }
+}
+
+pub fn lchown(path: [*:0]const u8, owner: uid_t, group: gid_t) usize {
+ if (@hasField(SYS, "lchown32")) {
+ return syscall3(.lchown32, @intFromPtr(path), owner, group);
+ } else if (@hasField(SYS, "lchown")) {
+ return syscall3(.lchown, @intFromPtr(path), owner, group);
+ } else {
+ return fchownat(AT.FDCWD, path, owner, group, AT.SYMLINK_NOFOLLOW);
}
}
@@ -2064,7 +2084,11 @@ pub fn setpgid(pid: pid_t, pgid: pid_t) usize {
return syscall2(.setpgid, @intCast(pid), @intCast(pgid));
}
-pub fn getgroups(size: usize, list: ?*gid_t) usize {
+pub fn getpgid(pid: pid_t) usize {
+ return syscall1(.getpgid, @intCast(pid));
+}
+
+pub fn getgroups(size: usize, list: ?[*]gid_t) usize {
if (@hasField(SYS, "getgroups32")) {
return syscall2(.getgroups32, size, @intFromPtr(list));
} else {
@@ -2084,6 +2108,10 @@ pub fn setsid() usize {
return syscall0(.setsid);
}
+pub fn getsid(pid: pid_t) usize {
+ return syscall1(.getsid, @intCast(pid));
+}
+
pub fn getpid() pid_t {
// Casts result to a pid_t, safety-checking >= 0, because getpid() cannot fail
return @intCast(@as(u32, @truncate(syscall0(.getpid))));