From 24f5a3d9ca8a43fb635461db03b8f737eaed9894 Mon Sep 17 00:00:00 2001
From: "wtc%netscape.com"
 <wtc%netscape.com@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Fri, 12 Feb 1999 18:48:42 +0000
Subject: [PATCH] Make sure the redirected standard I/O fd's are blocking so
 that libc's stdio.h functions can work.

git-svn-id: svn://10.0.0.236/trunk@20591 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/nsprpub/pr/src/md/unix/uxproces.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/mozilla/nsprpub/pr/src/md/unix/uxproces.c b/mozilla/nsprpub/pr/src/md/unix/uxproces.c
index 6b1d4110c25..3ae0f5a1979 100644
--- a/mozilla/nsprpub/pr/src/md/unix/uxproces.c
+++ b/mozilla/nsprpub/pr/src/md/unix/uxproces.c
@@ -145,6 +145,7 @@ ForkAndExec(
     int nEnv, idx;
     char *const *childEnvp;
     char **newEnvp = NULL;
+    int flags;
 	
     process = PR_NEW(PRProcess);
     if (!process) {
@@ -200,6 +201,10 @@ ForkAndExec(
                     _exit(1);  /* failed */
                 }
                 close(attr->stdinFd->secret->md.osfd);
+                flags = fcntl(0, F_GETFL, 0);
+                if (flags & O_NONBLOCK) {
+                    fcntl(0, F_SETFL, flags & ~O_NONBLOCK);
+                }
             }
             if (attr->stdoutFd
                     && attr->stdoutFd->secret->md.osfd != 1) {
@@ -207,6 +212,10 @@ ForkAndExec(
                     _exit(1);  /* failed */
                 }
                 close(attr->stdoutFd->secret->md.osfd);
+                flags = fcntl(1, F_GETFL, 0);
+                if (flags & O_NONBLOCK) {
+                    fcntl(1, F_SETFL, flags & ~O_NONBLOCK);
+                }
             }
             if (attr->stderrFd
                     && attr->stderrFd->secret->md.osfd != 2) {
@@ -214,6 +223,10 @@ ForkAndExec(
                     _exit(1);  /* failed */
                 }
                 close(attr->stderrFd->secret->md.osfd);
+                flags = fcntl(2, F_GETFL, 0);
+                if (flags & O_NONBLOCK) {
+                    fcntl(2, F_SETFL, flags & ~O_NONBLOCK);
+                }
             }
             if (attr->currentDirectory) {
                 if (chdir(attr->currentDirectory) < 0) {