fix(os_linux): call `ppoll` instead on `arm64`

1 files changed, 16 insertions, 1 deletions

diff --git a/core/sys/unix/syscalls_linux.odin b/core/sys/unix/syscalls_linux.odin
index 54f8bcc25..2e5bad153 100644
--- a/core/sys/unix/syscalls_linux.odin
+++ b/core/sys/unix/syscalls_linux.odin
@@ -2079,7 +2079,22 @@ sys_select :: proc "contextless" (nfds: int, readfds, writefds, exceptfds: rawpt
 }
 
 sys_poll :: proc "contextless" (fds: rawptr, nfds: uint, timeout: int) -> int {
-  return int(intrinsics.syscall(SYS_poll, uintptr(fds), uintptr(nfds), uintptr(timeout)))
+  // NOTE: specialcased here because `arm64` does not have `poll`
+	when ODIN_ARCH != .arm64 {
+    // redefined because we can't depend on the `unix` module here
+    timespec :: struct {
+      tv_sec: i64,
+      tv_nsec: i64,
+    }
+    seconds := i64(timeout / 1_000)
+    nanoseconds := i64((timeout % 1000) * 1_000_000)
+    timeout_spec := timespec{seconds, nanoseconds}
+
+		return int(intrinsics.syscall(SYS_ppoll, uintptr(fds), uintptr(nfds), uintptr(&timeout_spec), uintptr(0), uintptr(8)))
+	} else {
+    return int(intrinsics.syscall(SYS_poll, uintptr(fds), uintptr(nfds), uintptr(timeout)))
+	}
+  
 }
 
 sys_ppoll :: proc "contextless" (fds: rawptr, nfds: uint, timeout: rawptr, sigmask: rawptr, sigsetsize: uint) -> int {