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Merged
janvorli merged 2 commits into from
Feb 16, 2023
Merged

Add cmake check for ioclt prototype #82173

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8d085a4
Add cmake check for ioclt prototype
am11 Feb 15, 2023
349e049
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am11 Feb 15, 2023
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1 change: 1 addition & 0 deletions src/native/libs/Common/pal_config.h.in
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Original file line number Diff line number Diff line change
Expand Up @@ -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
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4 changes: 4 additions & 0 deletions src/native/libs/System.Native/pal_io.c
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Expand Up @@ -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
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7 changes: 7 additions & 0 deletions src/native/libs/configure.cmake
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Expand Up @@ -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>
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