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-rw-r--r--src/signal/sigaction.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/signal/sigaction.c b/src/signal/sigaction.c
index af47195e..05445089 100644
--- a/src/signal/sigaction.c
+++ b/src/signal/sigaction.c
@@ -21,6 +21,8 @@ void __get_handler_set(sigset_t *set)
memcpy(set, handler_set, sizeof handler_set);
}
+volatile int __eintr_valid_flag;
+
int __libc_sigaction(int sig, const struct sigaction *restrict sa, struct sigaction *restrict old)
{
struct k_sigaction ksa, ksa_old;
@@ -43,6 +45,10 @@ int __libc_sigaction(int sig, const struct sigaction *restrict sa, struct sigact
SIGPT_SET, 0, _NSIG/8);
unmask_done = 1;
}
+
+ if (!(sa->sa_flags & SA_RESTART)) {
+ a_store(&__eintr_valid_flag, 1);
+ }
}
/* Changing the disposition of SIGABRT to anything but
* SIG_DFL requires a lock, so that it cannot be changed