os/linux: fix rlimit_resource for mips/sparcv9

On MIPS and SPARC the RLIMIT kinds have different numbers than the other
architectures.

lib/std/os/linux.zig

@@ -4197,7 +4197,10 @@ pub const ifreq = extern struct {
 };
 
 // doc comments copied from musl
-pub const rlimit_resource = enum(c_int) {
+pub const rlimit_resource = if (native_arch.isMIPS() or native_arch.isSPARC())
+    arch_bits.rlimit_resource
+else
+    enum(c_int) {
         /// Per-process CPU limit, in seconds.
         CPU,
 

lib/std/os/linux/mips.zig

@@ -769,3 +769,63 @@ pub const timezone = extern struct {
 };
 
 pub const Elf_Symndx = u32;
+
+pub const rlimit_resource = enum(c_int) {
+    /// Per-process CPU limit, in seconds.
+    CPU,
+
+    /// Largest file that can be created, in bytes.
+    FSIZE,
+
+    /// Maximum size of data segment, in bytes.
+    DATA,
+
+    /// Maximum size of stack segment, in bytes.
+    STACK,
+
+    /// Largest core file that can be created, in bytes.
+    CORE,
+
+    /// Number of open files.
+    NOFILE,
+
+    /// Address space limit.
+    AS,
+
+    /// Largest resident set size, in bytes.
+    /// This affects swapping; processes that are exceeding their
+    /// resident set size will be more likely to have physical memory
+    /// taken from them.
+    RSS,
+
+    /// Number of processes.
+    NPROC,
+
+    /// Locked-in-memory address space.
+    MEMLOCK,
+
+    /// Maximum number of file locks.
+    LOCKS,
+
+    /// Maximum number of pending signals.
+    SIGPENDING,
+
+    /// Maximum bytes in POSIX message queues.
+    MSGQUEUE,
+
+    /// Maximum nice priority allowed to raise to.
+    /// Nice levels 19 .. -20 correspond to 0 .. 39
+    /// values of this resource limit.
+    NICE,
+
+    /// Maximum realtime priority allowed for non-priviledged
+    /// processes.
+    RTPRIO,
+
+    /// Maximum CPU time in µs that a process scheduled under a real-time
+    /// scheduling policy may consume without making a blocking system
+    /// call before being forcibly descheduled.
+    RTTIME,
+
+    _,
+};

lib/std/os/linux/sparc64.zig

@@ -828,3 +828,63 @@ pub const ucontext_t = extern struct {
     stack: stack_t,
     sigmask: sigset_t,
 };
+
+pub const rlimit_resource = enum(c_int) {
+    /// Per-process CPU limit, in seconds.
+    CPU,
+
+    /// Largest file that can be created, in bytes.
+    FSIZE,
+
+    /// Maximum size of data segment, in bytes.
+    DATA,
+
+    /// Maximum size of stack segment, in bytes.
+    STACK,
+
+    /// Largest core file that can be created, in bytes.
+    CORE,
+
+    /// Largest resident set size, in bytes.
+    /// This affects swapping; processes that are exceeding their
+    /// resident set size will be more likely to have physical memory
+    /// taken from them.
+    RSS,
+
+    /// Number of open files.
+    NOFILE,
+
+    /// Number of processes.
+    NPROC,
+
+    /// Locked-in-memory address space.
+    MEMLOCK,
+
+    /// Address space limit.
+    AS,
+
+    /// Maximum number of file locks.
+    LOCKS,
+
+    /// Maximum number of pending signals.
+    SIGPENDING,
+
+    /// Maximum bytes in POSIX message queues.
+    MSGQUEUE,
+
+    /// Maximum nice priority allowed to raise to.
+    /// Nice levels 19 .. -20 correspond to 0 .. 39
+    /// values of this resource limit.
+    NICE,
+
+    /// Maximum realtime priority allowed for non-priviledged
+    /// processes.
+    RTPRIO,
+
+    /// Maximum CPU time in µs that a process scheduled under a real-time
+    /// scheduling policy may consume without making a blocking system
+    /// call before being forcibly descheduled.
+    RTTIME,
+
+    _,
+};