Add cmake check for ioclt prototype (#82173)

* Add cmake check for ioclt prototype * .
dotnet · Feb 16, 2023 · 4e0ff82 · 4e0ff82
1 parent 82c8918
commit 4e0ff82
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diff --git a/src/native/libs/Common/pal_config.h.in b/src/native/libs/Common/pal_config.h.in
@@ -43,6 +43,7 @@
 #cmakedefine01 PRIORITY_REQUIRES_INT_WHO
 #cmakedefine01 KEVENT_REQUIRES_INT_PARAMS
 #cmakedefine01 HAVE_IOCTL
+#cmakedefine01 HAVE_IOCTL_WITH_INT_REQUEST
 #cmakedefine01 HAVE_TIOCGWINSZ
 #cmakedefine01 HAVE_TIOCSWINSZ
 #cmakedefine01 HAVE_SCHED_GETAFFINITY

diff --git a/src/native/libs/System.Native/pal_io.c b/src/native/libs/System.Native/pal_io.c
@@ -1325,7 +1325,11 @@ int32_t SystemNative_CopyFile(intptr_t sourceFd, intptr_t destinationFd, int64_t
     // Try copying data using a copy-on-write clone. This shares storage between the files.
     if (sourceLength != 0)
     {
+#if HAVE_IOCTL_WITH_INT_REQUEST
         while ((ret = ioctl(outFd, (int)FICLONE, inFd)) < 0 && errno == EINTR);
+#else
+        while ((ret = ioctl(outFd, FICLONE, inFd)) < 0 && errno == EINTR);
+#endif
         copied = ret == 0;
     }
 #endif

diff --git a/src/native/libs/configure.cmake b/src/native/libs/configure.cmake
@@ -790,6 +790,13 @@ check_prototype_definition(
     ${STATFS_INCLUDES}
     HAVE_NON_LEGACY_STATFS)
 
+check_prototype_definition(
+    ioctl
+    "int ioctl(int fd, int request, ...)"
+    0
+    "sys/ioctl.h"
+    HAVE_IOCTL_WITH_INT_REQUEST)
+
 check_c_source_compiles(
     "
     #include <stdlib.h>