diff --git a/libc/dns/resolv/res_cache.c b/libc/dns/resolv/res_cache.c
index 82e0ddf..9c65570 100644
--- a/libc/dns/resolv/res_cache.c
+++ b/libc/dns/resolv/res_cache.c
@@ -47,7 +47,7 @@
 #include "resolv_netid.h"
 #include "res_private.h"
 
-#include "private/libc_logging.h"
+#include <async_safe/log.h>
 
 /* This code implements a small and *simple* DNS resolver cache.
  *
@@ -155,7 +155,7 @@
 
 #define XLOG(...) ({ \
     if (DEBUG) { \
-        __libc_format_log(ANDROID_LOG_DEBUG,"libc",__VA_ARGS__); \
+        async_safe_format_log(ANDROID_LOG_DEBUG,"libc",__VA_ARGS__); \
     } else { \
         ((void)0); \
     } \
diff --git a/libc/dns/resolv/res_send.c b/libc/dns/resolv/res_send.c
index f53da5f..586bb8f 100644
--- a/libc/dns/resolv/res_send.c
+++ b/libc/dns/resolv/res_send.c
@@ -114,7 +114,7 @@
 
 #include <resolv_cache.h>
 
-#include "private/libc_logging.h"
+#include <async_safe/log.h>
 
 #ifndef DE_CONST
 #define DE_CONST(c,v)   v = ((c) ? \
@@ -564,7 +564,7 @@
 			}
 
 			if (DBG) {
-				__libc_format_log(ANDROID_LOG_DEBUG, "libc",
+				async_safe_format_log(ANDROID_LOG_DEBUG, "libc",
 					"used send_vc %d\n", n);
 			}
 
@@ -576,7 +576,7 @@
 		} else {
 			/* Use datagrams. */
 			if (DBG) {
-				__libc_format_log(ANDROID_LOG_DEBUG, "libc", "using send_dg\n");
+				async_safe_format_log(ANDROID_LOG_DEBUG, "libc", "using send_dg\n");
 			}
 
 			n = send_dg(statp, buf, buflen, ans, anssiz, &terrno,
@@ -591,7 +591,7 @@
 			}
 
 			if (DBG) {
-				__libc_format_log(ANDROID_LOG_DEBUG, "libc", "used send_dg %d\n",n);
+				async_safe_format_log(ANDROID_LOG_DEBUG, "libc", "used send_dg %d\n",n);
 			}
 
 			if (n < 0)
@@ -599,7 +599,7 @@
 			if (n == 0)
 				goto next_ns;
 			if (DBG) {
-				__libc_format_log(ANDROID_LOG_DEBUG, "libc", "time=%ld\n",
+				async_safe_format_log(ANDROID_LOG_DEBUG, "libc", "time=%ld\n",
 						  time(NULL));
 			}
 			if (v_circuit)
@@ -739,7 +739,7 @@
 		timeout = 1;
 	}
 	if (DBG) {
-		__libc_format_log(ANDROID_LOG_DEBUG, "libc", "using timeout of %d sec\n", timeout);
+		async_safe_format_log(ANDROID_LOG_DEBUG, "libc", "using timeout of %d sec\n", timeout);
 	}
 
 	return timeout;
@@ -764,7 +764,7 @@
 	void *tmp;
 
 	if (DBG) {
-		__libc_format_log(ANDROID_LOG_DEBUG, "libc", "using send_vc\n");
+		async_safe_format_log(ANDROID_LOG_DEBUG, "libc", "using send_vc\n");
 	}
 
 	nsap = get_nsaddr(statp, (size_t)ns);
@@ -993,7 +993,7 @@
 		timeout = evConsTime((long)sec, 0L);
 		finish = evAddTime(now, timeout);
 		if (DBG) {
-			__libc_format_log(ANDROID_LOG_DEBUG, "libc", "  %d send_vc\n", sock);
+			async_safe_format_log(ANDROID_LOG_DEBUG, "libc", "  %d send_vc\n", sock);
 		}
 
 		res = retrying_select(sock, &rset, &wset, &finish);
@@ -1004,7 +1004,7 @@
 done:
 	fcntl(sock, F_SETFL, origflags);
 	if (DBG) {
-		__libc_format_log(ANDROID_LOG_DEBUG, "libc",
+		async_safe_format_log(ANDROID_LOG_DEBUG, "libc",
 			"  %d connect_with_timeout returning %d\n", sock, res);
 	}
 	return res;
@@ -1020,7 +1020,7 @@
 
 retry:
 	if (DBG) {
-		__libc_format_log(ANDROID_LOG_DEBUG, "libc", "  %d retrying_select\n", sock);
+		async_safe_format_log(ANDROID_LOG_DEBUG, "libc", "  %d retrying_select\n", sock);
 	}
 
 	now = evNowTime();
@@ -1040,7 +1040,7 @@
 	n = pselect(sock + 1, readset, writeset, NULL, &timeout, NULL);
 	if (n == 0) {
 		if (DBG) {
-			__libc_format_log(ANDROID_LOG_DEBUG, " libc",
+			async_safe_format_log(ANDROID_LOG_DEBUG, " libc",
 				"  %d retrying_select timeout\n", sock);
 		}
 		errno = ETIMEDOUT;
@@ -1050,7 +1050,7 @@
 		if (errno == EINTR)
 			goto retry;
 		if (DBG) {
-			__libc_format_log(ANDROID_LOG_DEBUG, "libc",
+			async_safe_format_log(ANDROID_LOG_DEBUG, "libc",
 				"  %d retrying_select got error %d\n",sock, n);
 		}
 		return n;
@@ -1060,7 +1060,7 @@
 		if (getsockopt(sock, SOL_SOCKET, SO_ERROR, &error, &len) < 0 || error) {
 			errno = error;
 			if (DBG) {
-				__libc_format_log(ANDROID_LOG_DEBUG, "libc",
+				async_safe_format_log(ANDROID_LOG_DEBUG, "libc",
 					"  %d retrying_select dot error2 %d\n", sock, errno);
 			}
 
@@ -1068,7 +1068,7 @@
 		}
 	}
 	if (DBG) {
-		__libc_format_log(ANDROID_LOG_DEBUG, "libc",
+		async_safe_format_log(ANDROID_LOG_DEBUG, "libc",
 			"  %d retrying_select returning %d\n",sock, n);
 	}
 
diff --git a/libc/dns/resolv/res_state.c b/libc/dns/resolv/res_state.c
index 4ed168c..94124ff 100644
--- a/libc/dns/resolv/res_state.c
+++ b/libc/dns/resolv/res_state.c
@@ -41,9 +41,9 @@
 #define DEBUG 0
 
 #if DEBUG
-#  include "private/libc_logging.h"
+#  include <async_safe/log.h>
 #  include <unistd.h>  /* for gettid() */
-#  define D(...) __libc_format_log(ANDROID_LOG_DEBUG,"libc", __VA_ARGS__)
+#  define D(...) async_safe_format_log(ANDROID_LOG_DEBUG,"libc", __VA_ARGS__)
 #else
 #  define D(...)  do{}while(0)
 #endif
diff --git a/libc/dns/resolv/res_stats.c b/libc/dns/resolv/res_stats.c
index 99c79e4..97d54d2 100644
--- a/libc/dns/resolv/res_stats.c
+++ b/libc/dns/resolv/res_stats.c
@@ -18,9 +18,10 @@
 #include <arpa/nameser.h>
 #include <string.h>
 
-#include "resolv_stats.h"
-#include "private/libc_logging.h"
+#include <async_safe/log.h>
+
 #include "isc/eventlib.h"
+#include "resolv_stats.h"
 
 #define DBG 0
 
@@ -38,7 +39,7 @@
 _res_stats_set_sample(struct __res_sample* sample, time_t now, int rcode, int rtt)
 {
     if (DBG) {
-        __libc_format_log(ANDROID_LOG_INFO, "libc", "rcode = %d, sec = %d", rcode, rtt);
+        async_safe_format_log(ANDROID_LOG_INFO, "libc", "rcode = %d, sec = %d", rcode, rtt);
     }
     sample->at = now;
     sample->rcode = rcode;
@@ -128,14 +129,15 @@
     if (successes >= 0 && errors >= 0 && timeouts >= 0) {
         int total = successes + errors + timeouts;
         if (DBG) {
-            __libc_format_log(ANDROID_LOG_DEBUG, "libc", "NS stats: S %d + E %d + T %d + I %d "
+            async_safe_format_log(ANDROID_LOG_DEBUG, "libc", "NS stats: S %d + E %d + T %d + I %d "
                  "= %d, rtt = %d, min_samples = %d\n", successes, errors, timeouts, internal_errors,
                  total, rtt_avg, params->min_samples);
         }
         if (total >= params->min_samples && (errors > 0 || timeouts > 0)) {
             int success_rate = successes * 100 / total;
             if (DBG) {
-                __libc_format_log(ANDROID_LOG_DEBUG, "libc", "success rate %d%%\n", success_rate);
+                async_safe_format_log(ANDROID_LOG_DEBUG, "libc", "success rate %d%%\n",
+                                      success_rate);
             }
             if (success_rate < params->success_threshold) {
                 // evNowTime() is used here instead of time() to stay consistent with the rest of
@@ -146,13 +148,13 @@
                     // date has been reached, however the code for returning the ring buffer to its
                     // previous non-circular state would induce additional complexity.
                     if (DBG) {
-                        __libc_format_log(ANDROID_LOG_INFO, "libc",
+                        async_safe_format_log(ANDROID_LOG_INFO, "libc",
                             "samples stale, retrying server\n");
                     }
                     _res_stats_clear_samples(stats);
                 } else {
                     if (DBG) {
-                        __libc_format_log(ANDROID_LOG_INFO, "libc",
+                        async_safe_format_log(ANDROID_LOG_INFO, "libc",
                             "too many resolution errors, ignoring server\n");
                     }
                     return 0;