upstream: Replace all calls to signal(2) with a wrapper around

sigaction(2). This wrapper blocks all other signals during the handler
preventing races between handlers, and sets SA_RESTART which should reduce
the potential for short read/write operations.

OpenBSD-Commit-ID: 5e047663fd77a40d7b07bdabe68529df51fd2519

1 files changed, 2 insertions, 2 deletions

diff --git a/entropy.c b/entropy.c
index 5de68016b..2eebadf4a 100644
--- a/entropy.c
+++ b/entropy.c
@@ -110,7 +110,7 @@ get_random_bytes_prngd(unsigned char *buf, int len,
                     strlen(socket_path) + 1;
         }
 
-        old_sigpipe = signal(SIGPIPE, SIG_IGN);
+        old_sigpipe = ssh_signal(SIGPIPE, SIG_IGN);
 
         errors = 0;
         rval = -1;
@@ -160,7 +160,7 @@ reopen:
 
         rval = 0;
 done:
-        signal(SIGPIPE, old_sigpipe);
+        ssh_signal(SIGPIPE, old_sigpipe);
         if (fd != -1)
                 close(fd);
         return rval;