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Diffstat (limited to 'execute.c')
-rw-r--r--execute.c27
1 files changed, 17 insertions, 10 deletions
diff --git a/execute.c b/execute.c
index ed6ad7f6e2..8720af9e25 100644
--- a/execute.c
+++ b/execute.c
@@ -30,6 +30,8 @@
#include <sys/un.h>
#include <sys/prctl.h>
#include <linux/sched.h>
+#include <sys/types.h>
+#include <sys/stat.h>
#include "execute.h"
#include "strv.h"
@@ -130,7 +132,7 @@ static int shift_fds(int fds[], unsigned n_fds) {
return 0;
}
-static int flags_fds(int fds[], unsigned n_fds) {
+static int flags_fds(int fds[], unsigned n_fds, bool nonblock) {
unsigned i;
if (n_fds <= 0)
@@ -138,7 +140,7 @@ static int flags_fds(int fds[], unsigned n_fds) {
assert(fds);
- /* Drops O_NONBLOCK and FD_CLOEXEC from the file flags */
+ /* Drops/Sets O_NONBLOCK and FD_CLOEXEC from the file flags */
for (i = 0; i < n_fds; i++) {
int flags;
@@ -146,17 +148,20 @@ static int flags_fds(int fds[], unsigned n_fds) {
if ((flags = fcntl(fds[i], F_GETFL, 0)) < 0)
return -errno;
- /* Since we are at it, let's make sure that nobody
- * forgot setting O_NONBLOCK for all our fds */
+ if (nonblock)
+ flags |= O_NONBLOCK;
+ else
+ flags &= ~O_NONBLOCK;
- if (fcntl(fds[i], F_SETFL, flags &~O_NONBLOCK) < 0)
+ if (fcntl(fds[i], F_SETFL, flags) < 0)
return -errno;
+ /* We unconditionally drop FD_CLOEXEC from the fds,
+ * since after all we want to pass these fds to our
+ * children */
if ((flags = fcntl(fds[i], F_GETFD, 0)) < 0)
return -errno;
- /* Also make sure nobody forgot O_CLOEXEC for all our
- * fds */
if (fcntl(fds[i], F_SETFD, flags &~FD_CLOEXEC) < 0)
return -errno;
}
@@ -393,7 +398,7 @@ int exec_spawn(const ExecCommand *command, const ExecContext *context, int *fds,
if (close_fds(fds, n_fds) < 0 ||
shift_fds(fds, n_fds) < 0 ||
- flags_fds(fds, n_fds) < 0) {
+ flags_fds(fds, n_fds, context->non_blocking) < 0) {
r = EXIT_FDS;
goto fail;
}
@@ -550,10 +555,12 @@ void exec_context_dump(ExecContext *c, FILE* f, const char *prefix) {
fprintf(f,
"%sUMask: %04o\n"
"%sWorkingDirectory: %s\n"
- "%sRootDirectory: %s\n",
+ "%sRootDirectory: %s\n"
+ "%sNonBlocking: %s\n",
prefix, c->umask,
prefix, c->working_directory ? c->working_directory : "/",
- prefix, c->root_directory ? c->root_directory : "/");
+ prefix, c->root_directory ? c->root_directory : "/",
+ prefix, yes_no(c->non_blocking));
if (c->environment)
for (e = c->environment; *e; e++)