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07374071d0
Adds the ability to probe for various capabilities. It will not call into C unless necessary. It also allocates one probe per call to new capability, which may be expensive, so in theory they could be reused instead. Signed-off-by: kadmin <julianknodt@gmail.com>
21 lines
435 B
Go
21 lines
435 B
Go
package uring
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// #cgo CFLAGS: -I${SRCDIR}/liburing/src/include
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// #cgo LDFLAGS: -L${SRCDIR}/liburing/src/ -luring
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// #include "io_uring.c"
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import "C"
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import (
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"syscall"
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"unsafe"
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)
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// hasUring reports whether it is possible to use io_uring syscalls on the system.
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func uringSupported() bool {
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probe, err := C.io_uring_get_probe()
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if err == nil && probe != nil {
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C.free(unsafe.Pointer(probe))
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}
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return err != syscall.ENOSYS
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}
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