From: Wichert Akkerman <wichert@deephackmode.org>
Date: Fri, 3 Aug 2001 11:43:35 +0000 (+0000)
Subject: set CLOEXEC  flag for outputfile
X-Git-Tag: v4.5.18~1028
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=54b4f79216c819ec93aaf5031acb1772fccef7a9;p=strace

set CLOEXEC  flag for outputfile
---

diff --git a/ChangeLog b/ChangeLog
index dfd18dca..25ebed66 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2001-08-03   Wichert Akkerman <wakkerma@debian.org>
+
+  * strace.c: set CLOEXEC  flag for outputfile
+
 2001-08-03   Wichert Akkerman <wakkerma@debian.org>
 
   * linux/sparc/syscall.h, linux/sparc/syscallent.h: add some LFS calls
diff --git a/strace.c b/strace.c
index 083e850c..dd3e9356 100644
--- a/strace.c
+++ b/strace.c
@@ -314,11 +314,23 @@ char *argv[];
 
 	/* Check if they want to redirect the output. */
 	if (outfname) {
+		long f;
+
 		if ((outf = fopen(outfname, "w")) == NULL) {
 			fprintf(stderr, "%s: can't fopen '%s': %s\n",
 				progname, outfname, strerror(errno));
 			exit(1);
 		}
+
+		if ((f=fcntl(fileno(outf), F_GETFD)) < 0 ) {
+			perror("failed to get flags for outputfile");
+			exit(1);
+		}
+
+		if (fcntl(fileno(outf), F_SETFD, f|FD_CLOEXEC) < 0 ) {
+			perror("failed to set flags for outputfile");
+			exit(1);
+		}
 	}
 
 #ifndef SVR4