misc/adsb-tools
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Set FD_CLOEXEC after dup()

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This commit is contained in:
Ian Gulliver
2016-02-28 13:15:12 -08:00
parent b9d179b957
commit 29d0b33161
1 changed files with 7 additions and 2 deletions
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9
adsbus/opts.c
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@@ -1,3 +1,4 @@
#include <assert.h>
#include <fcntl.h> #include <fcntl.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
@@ -127,7 +128,9 @@ bool opts_add_file_append(char *arg) {
} }
bool opts_add_stdin(char __attribute__((unused)) *arg) { bool opts_add_stdin(char __attribute__((unused)) *arg) {
receive_new(dup(0), NULL, NULL); int fd = dup(0);
assert(!fcntl(fd, F_SETFD, FD_CLOEXEC));
receive_new(fd, NULL, NULL);
return true; return true;
} }
@@ -136,5 +139,7 @@ bool opts_add_stdout(char *arg) {
if (!serializer) { if (!serializer) {
return false; return false;
} }
return send_new_hello(dup(1), serializer, NULL); int fd = dup(1);
assert(!fcntl(fd, F_SETFD, FD_CLOEXEC));
return send_new_hello(fd, serializer, NULL);
} }