open-consul/vendor/github.com/shirou/gopsutil/process/process_darwin_cgo.go

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// +build darwin
// +build cgo
package process
// #include <stdlib.h>
// #include <libproc.h>
import "C"
import (
"context"
"fmt"
"unsafe"
)
func (p *Process) ExeWithContext(ctx context.Context) (string, error) {
var c C.char // need a var for unsafe.Sizeof need a var
const bufsize = C.PROC_PIDPATHINFO_MAXSIZE * unsafe.Sizeof(c)
buffer := (*C.char)(C.malloc(C.size_t(bufsize)))
defer C.free(unsafe.Pointer(buffer))
ret, err := C.proc_pidpath(C.int(p.Pid), unsafe.Pointer(buffer), C.uint32_t(bufsize))
if err != nil {
return "", err
}
if ret <= 0 {
return "", fmt.Errorf("unknown error: proc_pidpath returned %d", ret)
}
return C.GoString(buffer), nil
}