Add SYS_pidfd_open and SYS_clone3

These syscalls were added recently, and therefore have consistent
numbers across different architetures (other than the weird offsetting
on some platforms).

Author: Aaron1011

libc-test/build.rs

@@ -2649,6 +2649,13 @@ fn test_linux(target: &str) {
             // headers.
             "P_PIDFD" => true,
 
+            // FIXME: Not currently available in headers
+            "SYS_pidfd_open" if mips => true,
+
+            // FIXME: Not currently available in headers on MIPS
+            // Not yet implemented on sparc64
+            "SYS_clone3" if mips | sparc64 => true,
+
             _ => false,
         }
     });

src/unix/linux_like/linux/gnu/b32/arm/mod.rs

@@ -868,6 +868,8 @@ pub const SYS_pkey_mprotect: ::c_long = 394;
 pub const SYS_pkey_alloc: ::c_long = 395;
 pub const SYS_pkey_free: ::c_long = 396;
 pub const SYS_statx: ::c_long = 397;
+pub const SYS_pidfd_open: ::c_long = 434;
+pub const SYS_clone3: ::c_long = 435;
 
 cfg_if! {
     if #[cfg(libc_align)] {

src/unix/linux_like/linux/gnu/b32/mips/mod.rs

@@ -527,6 +527,8 @@ pub const SYS_pkey_mprotect: ::c_long = 4000 + 363;
 pub const SYS_pkey_alloc: ::c_long = 4000 + 364;
 pub const SYS_pkey_free: ::c_long = 4000 + 365;
 pub const SYS_statx: ::c_long = 4000 + 366;
+pub const SYS_pidfd_open: ::c_long = 4000 + 434;
+pub const SYS_clone3: ::c_long = 4000 + 435;
 
 pub const O_DIRECT: ::c_int = 0x8000;
 pub const O_DIRECTORY: ::c_int = 0x10000;

src/unix/linux_like/linux/gnu/b32/powerpc.rs

@@ -872,3 +872,5 @@ pub const SYS_preadv2: ::c_long = 380;
 pub const SYS_pwritev2: ::c_long = 381;
 pub const SYS_kexec_file_load: ::c_long = 382;
 pub const SYS_statx: ::c_long = 383;
+pub const SYS_pidfd_open: ::c_long = 434;
+pub const SYS_clone3: ::c_long = 435;

src/unix/linux_like/linux/gnu/b32/sparc/mod.rs

@@ -961,6 +961,9 @@ pub const SYS_copy_file_range: ::c_long = 357;
 pub const SYS_preadv2: ::c_long = 358;
 pub const SYS_pwritev2: ::c_long = 359;
 pub const SYS_statx: ::c_long = 360;
+pub const SYS_pidfd_open: ::c_long = 434;
+// Reserved in the kernel, but not actually implemented yet
+pub const SYS_clone3: ::c_long = 435;
 
 #[link(name = "util")]
 extern "C" {

src/unix/linux_like/linux/gnu/b32/x86/mod.rs

@@ -1103,6 +1103,8 @@ pub const SYS_pkey_mprotect: ::c_long = 380;
 pub const SYS_pkey_alloc: ::c_long = 381;
 pub const SYS_pkey_free: ::c_long = 382;
 pub const SYS_statx: ::c_long = 383;
+pub const SYS_pidfd_open: ::c_long = 434;
+pub const SYS_clone3: ::c_long = 435;
 
 // offsets in user_regs_structs, from sys/reg.h
 pub const EBX: ::c_int = 0;

src/unix/linux_like/linux/gnu/b64/aarch64/mod.rs

@@ -987,6 +987,8 @@ pub const SYS_pkey_mprotect: ::c_long = 288;
 pub const SYS_pkey_alloc: ::c_long = 289;
 pub const SYS_pkey_free: ::c_long = 290;
 pub const SYS_statx: ::c_long = 291;
+pub const SYS_pidfd_open: ::c_long = 434;
+pub const SYS_clone3: ::c_long = 435;
 
 #[link(name = "util")]
 extern "C" {

src/unix/linux_like/linux/gnu/b64/mips64/mod.rs

@@ -577,6 +577,8 @@ pub const SYS_pkey_mprotect: ::c_long = 5000 + 323;
 pub const SYS_pkey_alloc: ::c_long = 5000 + 324;
 pub const SYS_pkey_free: ::c_long = 5000 + 325;
 pub const SYS_statx: ::c_long = 5000 + 326;
+pub const SYS_pidfd_open: ::c_long = 5000 + 434;
+pub const SYS_clone3: ::c_long = 5000 + 435;
 
 pub const SFD_CLOEXEC: ::c_int = 0x080000;
 

src/unix/linux_like/linux/gnu/b64/powerpc64/mod.rs

@@ -1037,6 +1037,8 @@ pub const SYS_preadv2: ::c_long = 380;
 pub const SYS_pwritev2: ::c_long = 381;
 pub const SYS_kexec_file_load: ::c_long = 382;
 pub const SYS_statx: ::c_long = 383;
+pub const SYS_pidfd_open: ::c_long = 434;
+pub const SYS_clone3: ::c_long = 435;
 
 #[link(name = "util")]
 extern "C" {

src/unix/linux_like/linux/gnu/b64/riscv64/mod.rs

@@ -857,3 +857,5 @@ pub const SYS_pkey_mprotect: ::c_long = 288;
 pub const SYS_pkey_alloc: ::c_long = 289;
 pub const SYS_pkey_free: ::c_long = 290;
 pub const SYS_statx: ::c_long = 291;
+pub const SYS_pidfd_open: ::c_long = 434;
+pub const SYS_clone3: ::c_long = 435;