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Set FD_CLOEXEC in a little convenience function that does the right thing
[sgt/putty]
/
unix
/
uxmisc.c
diff --git
a/unix/uxmisc.c
b/unix/uxmisc.c
index
c613a20
..
74eb156
100644
(file)
--- a/
unix/uxmisc.c
+++ b/
unix/uxmisc.c
@@
-2,6
+2,7
@@
* PuTTY miscellaneous Unix stuff
*/
* PuTTY miscellaneous Unix stuff
*/
+#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
@@
-121,3
+122,14
@@
void pgp_fingerprints(void)
"PuTTY Master Key (DSA), 1024-bit:\n"
" " PGP_DSA_MASTER_KEY_FP "\n", stdout);
}
"PuTTY Master Key (DSA), 1024-bit:\n"
" " PGP_DSA_MASTER_KEY_FP "\n", stdout);
}
+
+/*
+ * Set FD_CLOEXEC on a file descriptor
+ */
+int cloexec(int fd) {
+ int fdflags;
+
+ fdflags = fcntl(fd, F_GETFD);
+ if (fdflags == -1) return -1;
+ return fcntl(fd, F_SETFD, fdflags | FD_CLOEXEC);
+}