* Bug #15213, #18635: The use of the insecure m_scratch() and

[mmh] / sbr / pidwait.c

diff --git a/sbr/pidwait.c b/sbr/pidwait.c
index a1555bb..607538f 100644 (file)
--- a/sbr/pidwait.c
+++ b/sbr/pidwait.c
@@ -11,6 +11,7 @@
 
 #include <h/mh.h>
 #include <h/signals.h>
+#include <errno.h>
 #include <signal.h>
 
 #ifdef HAVE_SYS_WAIT_H
@@ -21,12 +22,12 @@ int
 pidwait (pid_t id, int sigsok)
 {
     pid_t pid;
-    SIGNAL_HANDLER istat, qstat;
+    SIGNAL_HANDLER istat = NULL, qstat = NULL;
 
-#ifdef WAITINT
-    int status;
-#else
+#ifdef HAVE_UNION_WAIT
     union wait status;
+#else
+    int status;
 #endif
 
     if (sigsok == -1) {
@@ -36,7 +37,8 @@ pidwait (pid_t id, int sigsok)
     }
 
 #ifdef HAVE_WAITPID
-    pid = waitpid(id, &status, 0);
+    while ((pid = waitpid(id, &status, 0)) == -1 && errno == EINTR)
+       ;
 #else
     while ((pid = wait(&status)) != -1 && pid != id)
        continue;
@@ -48,9 +50,9 @@ pidwait (pid_t id, int sigsok)
        SIGNAL (SIGQUIT, qstat);
     }
 
-#ifdef WAITINT
-    return (pid == -1 ? -1 : status);
-#else
+#ifdef HAVE_UNION_WAIT
     return (pid == -1 ? -1 : status.w_status);
+#else
+    return (pid == -1 ? -1 : status);
 #endif
 }