From: Stanislav Brabec <sbrabec@suse.cz>
Date: Fri, 6 Feb 2015 18:59:14 +0000 (+0100)
Subject: Fix "Script started" buffering race
X-Git-Tag: v2.26~48
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b285b84b2f14339fd86857244654ba25fac7d73;p=thirdparty%2Futil-linux.git

Fix "Script started" buffering race

script -c "echo Hallo World" </dev/null >script.log ; cat script.log

Before:
Hallo World
Script started, file is typescript
Script started, file is typescript
Script done, file is typescript

After:
Script started, file is typescript
Hallo World
Script done, file is typescript
---

diff --git a/term-utils/script.c b/term-utils/script.c
index 548334cbc2..02ba5965db 100644
--- a/term-utils/script.c
+++ b/term-utils/script.c
@@ -269,6 +269,7 @@ main(int argc, char **argv) {
 	sigprocmask(SIG_SETMASK, NULL, &block_mask);
 	sigaddset(&block_mask, SIGCHLD);
 
+	fflush(stdout);
 	sigprocmask(SIG_SETMASK, &block_mask, &unblock_mask);
 	child = fork();
 	sigprocmask(SIG_SETMASK, &unblock_mask, NULL);