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acquire thread in res_nsearch

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This commit is contained in:
Mateusz Poliwczak 2022-12-01 10:18:44 +01:00
parent 78472603c6
commit 0660c9a989
1 changed files with 3 additions and 0 deletions
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3
src/net/cgo_unix.go
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@ -331,6 +331,9 @@ func cgoLookupCNAME(ctx context.Context, name string) (cname string, err error,
// resSearch will make a call to the 'res_nsearch' routine in the C library
// and parse the output as a slice of DNS resources.
func resSearch(ctx context.Context, hostname string, rtype, class int) ([]dnsmessage.Resource, error) {
acquireThread()
defer releaseThread()
state := (*_C_struct___res_state)(_C_malloc(unsafe.Sizeof(_C_struct___res_state{})))
defer _C_free(unsafe.Pointer(state))
if err := _C_res_ninit(state); err != nil {