add ptp_clock_caps

Author: folkertdev

libc-test/semver/linux.txt

@@ -2252,6 +2252,7 @@ PTHREAD_PRIO_PROTECT
 PTHREAD_PROCESS_PRIVATE
 PTHREAD_PROCESS_SHARED
 PTHREAD_STACK_MIN
+PTP_CLOCK_CAPS_RSV_LEN
 PTP_CLOCK_GETCAPS
 PTP_CLOCK_GETCAPS2
 PTP_ENABLE_PPS
@@ -3942,6 +3943,7 @@ pthread_spin_lock
 pthread_spin_trylock
 pthread_spin_unlock
 pthread_spinlock_t
+ptp_clock_caps
 ptp_clock_time
 ptp_extts_event
 ptp_extts_request

src/unix/linux_like/linux/mod.rs

@@ -1194,6 +1194,33 @@ s! {
         pub chan: ::c_uint,
         pub rsv: [::c_uint; 5],
     }
+
+    pub struct ptp_clock_caps {
+        pub max_adj: ::c_int,
+        pub n_alarm: ::c_int,
+        pub n_ext_ts: ::c_int,
+        pub n_per_out: ::c_int,
+        pub pps: ::c_int,
+        pub n_pins: ::c_int,
+        pub cross_timestamping: ::c_int,
+        #[cfg(any(target_arch = "sparc", target_arch = "sparc64"))]
+        pub adjust_phase: ::c_int,
+        #[cfg(not(any(
+            any(target_arch = "sparc", target_arch = "sparc64"),
+            any(target_env = "musl", target_env = "ohos"),
+        )))]
+        pub adjust_phase: ::c_int,
+        #[cfg(not(any(
+            any(target_arch = "sparc", target_arch = "sparc64"),
+            any(target_env = "musl", target_env = "ohos"),
+        )))]
+        pub max_phase_adj: ::c_int,
+        #[cfg(not(any(
+            any(target_arch = "sparc", target_arch = "sparc64"),
+            any(target_env = "musl", target_env = "ohos"),
+        )))]
+        pub rsv: [::c_int; PTP_CLOCK_CAPS_RSV_LEN],
+    }
 }
 
 cfg_if! {
@@ -5623,6 +5650,17 @@ pub const SCHED_FLAG_ALL: ::c_int = SCHED_FLAG_RESET_ON_FORK
 pub const EPIOCSPARAMS: ::Ioctl = 0x40088a01;
 pub const EPIOCGPARAMS: ::Ioctl = 0x80088a02;
 
+// ptp_clock.h
+pub const PTP_CLOCK_CAPS_RSV_LEN: usize = {
+    if cfg!(any(target_arch = "sparc", target_arch = "sparc64")) {
+        12
+    } else if cfg!(any(target_env = "musl", target_env = "ohos")) {
+        13
+    } else {
+        11
+    }
+};
+
 const _IOC_NRBITS: u32 = 8;
 const _IOC_TYPEBITS: u32 = 8;