--- fmirror-0.8.4.orig/fmirror.c
+++ fmirror-0.8.4/fmirror.c
@@ -61,6 +61,7 @@
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/time.h>
+#include <sys/wait.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <string.h>
@@ -165,6 +166,7 @@
 static int keep_newer = 0; /* don't download if a newer version exists */
 static int reset_times = 0; /* reset access and mod times to remote */
 static int use_mdtm = 1; /* default is use MDTM if we can find remote TZ */
+static int child_status = 0;
 
 static volatile sig_atomic_t alarmed = 0;
 
@@ -2327,6 +2377,10 @@
     }
 }
 
+static void handle_sigchld(int sig_num) {
+    sig_num=sig_num;
+    wait(&child_status);
+}
 
 static void
 handle_dir_listing(struct connection *c)
@@ -2351,12 +2407,14 @@
 			 inet_ntoa(sad.sin_addr), htons(sad.sin_port)));
     }
 
+    child_status=0;
     if (compressed) {
 	/* fork off the decompressor and give it the net-conection as stdin */
 	int p[2];
 	pid_t pid;
 	LOG(5, exec,
 	    ("Running decompressor %s %s", decompressor, decompressor_opt));
+        signal(SIGCHLD, handle_sigchld);
 	if (pipe(p)) {
 	    LOG(0, failure, ("pipe() failed: %s", strerror(errno)));
 	    exit(EXIT_FAILURE);
@@ -2399,6 +2458,10 @@
 	alarm(input_timeout);
 	addr = fgets(line, sizeof(line), stream);
 	alarm(0);
+	if (child_status) {
+		LOG(0, failure, ("Decompression failed (child process unexpectedly died). Aborting."));
+		exit(EXIT_FAILURE);
+	 }
 	if (!addr) {
 	    if (errno == EINTR || alarmed) {
 		LOG(0, failure, ("Timeout waiting for reply. Aborting."));
@@ -2412,6 +2475,7 @@
     
     fclose(stream);
     close(fd);
+    signal(SIGCHLD, SIG_DFL);
 }