use alt signal stack when present for implementation-internal signals

[musl] / src / misc / getentropy.c

diff --git a/src/misc/getentropy.c b/src/misc/getentropy.c
index 4c61ae2..651ea95 100644 (file)
--- a/src/misc/getentropy.c
+++ b/src/misc/getentropy.c
@@ -1,10 +1,12 @@
+#define _BSD_SOURCE
+#include <unistd.h>
 #include <sys/random.h>
 #include <pthread.h>
 #include <errno.h>
 
 int getentropy(void *buffer, size_t len)
 {
-       int cs, ret;
+       int cs, ret = 0;
        char *pos = buffer;
 
        if (len > 256) {