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-rw-r--r--ChangeLog2
-rw-r--r--signal/sigrelse.c12
2 files changed, 5 insertions, 9 deletions
diff --git a/ChangeLog b/ChangeLog
index 6f10dd94fb..88f3ac8478 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
2017-11-15 Adhemerval Zanella <adhemerval.zanella@linaro.org>
+ * signal/sigrelse.c (sigrelse): Optimize implementation.
+
* sysdeps/posix/sigpause.c (do_sigpause): Remove.
(__sigpause): Rely on __sigsuspend to implement single thread
optimization. Add LIBC_CANCEL_HANDLED for cancellation marking.
diff --git a/signal/sigrelse.c b/signal/sigrelse.c
index e41c2bd261..61f240be5e 100644
--- a/signal/sigrelse.c
+++ b/signal/sigrelse.c
@@ -26,14 +26,8 @@ sigrelse (int sig)
{
sigset_t set;
- /* Retrieve current signal set. */
- if (__sigprocmask (SIG_SETMASK, NULL, &set) < 0)
+ sigemptyset (&set);
+ if (sigaddset (&set, sig) < 0)
return -1;
-
- /* Remove the specified signal. */
- if (sigdelset (&set, sig) < 0)
- return -1;
-
- /* Set the new mask. */
- return __sigprocmask (SIG_SETMASK, &set, NULL);
+ return __sigprocmask (SIG_UNBLOCK, &set, NULL);
}